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UIView+SGFrame.h

#import

@interface UIView (SGFrame)

@property (nonatomic, assign) CGFloat SG_x;

@property (nonatomic, assign) CGFloat SG_y;

@property (nonatomic, assign) CGFloat SG_width;

@property (nonatomic, assign) CGFloat SG_height;

@property (nonatomic, assign) CGFloat SG_centerX;

@property (nonatomic, assign) CGFloat SG_centerY;

@property (nonatomic, assign) CGPoint SG_origin;

@property (nonatomic, assign) CGSize SG_size;

/// 从 XIB 中加载视图

+ (instancetype)SG_loadViewFromXib;

@end



UIView+SGFrame.m

#import "UIView+SGFrame.h"

@implementation UIView (SGFrame)

- (void)setSG_x:(CGFloat)SG_x {

    CGRect frame = self.frame;

    frame.origin.x = SG_x;

    self.frame = frame;

}

- (CGFloat)SG_x {

    return self.frame.origin.x;

}

- (void)setSG_y:(CGFloat)SG_y {

    CGRect frame = self.frame;

    frame.origin.y = SG_y;

    self.frame = frame;

}

- (CGFloat)SG_y {

    return self.frame.origin.y;

}

- (void)setSG_width:(CGFloat)SG_width {

    CGRect frame = self.frame;

    frame.size.width = SG_width;

    self.frame = frame;

}

- (CGFloat)SG_width {

    return self.frame.size.width;

}

- (void)setSG_height:(CGFloat)SG_height {

    CGRect frame = self.frame;

    frame.size.height = SG_height;

    self.frame = frame;

}

- (CGFloat)SG_height {

    return self.frame.size.height;

}

- (CGFloat)SG_centerX {

    return self.center.x;

}

- (void)setSG_centerX:(CGFloat)SG_centerX {

    CGPoint center = self.center;

    center.x = SG_centerX;

    self.center = center;

}

- (CGFloat)SG_centerY {

    return self.center.y;

}

- (void)setSG_centerY:(CGFloat)SG_centerY {

    CGPoint center = self.center;

    center.y = SG_centerY;

    self.center = center;

}

- (void)setSG_origin:(CGPoint)SG_origin {

    CGRect frame = self.frame;

    frame.origin = SG_origin;

    self.frame = frame;

}

- (CGPoint)SG_origin {

    return self.frame.origin;

}

- (void)setSG_size:(CGSize)SG_size {

    CGRect frame = self.frame;

    frame.size = SG_size;

    self.frame = frame;

}

- (CGSize)SG_size {

    return self.frame.size;

}

/// 从 XIB 中加载视图

+ (instancetype)SG_loadViewFromXib {

    return [[NSBundle mainBundle] loadNibNamed:NSStringFromClass(self) owner:nil options:nil].lastObject;

}

@end



SGPageContentScrollView.h

#import<UIKit/UIkit.h>

@class SGPageContentScrollView;

@protocol SGPageContentScrollViewDelegate<NSObject>

@optional

/** * 联动 SGPageTitleView 的方法 * * @param pageContentScrollView SGPageContentScrollView * @param progress SGPageContentScrollView 内部视图滚动时的偏移量 * @param originalIndex 原始视图所在下标 * @param targetIndex 目标视图所在下标 */

- (void)pageContentScrollView:(SGPageContentScrollView *)pageContentScrollView progress:(CGFloat)progress originalIndex:(NSInteger)originalIndex targetIndex:(NSInteger)targetIndex;

/** * 给 SGPageContentScrollView 所在控制器提供的方法(根据偏移量来处理返回手势的问题) * * @param pageContentScrollView SGPageContentScrollView * @param offsetX SGPageContentScrollView 内部视图的偏移量 */

- (void)pageContentScrollView:(SGPageContentScrollView *)pageContentScrollView offsetX:(CGFloat)offsetX;

@end

@interface SGPageContentScrollView : UIView

/** * 对象方法创建 SGPageContentScrollView * * @param frame frame * @param parentVC 当前控制器 * @param childVCs 子控制器个数 */

- (instancetype)initWithFrame:(CGRect)frame parentVC:(UIViewController *)parentVC childVCs:(NSArray *)childVCs;

/** * 类方法创建 SGPageContentScrollView * * @param frame frame * @param parentVC 当前控制器 * @param childVCs 子控制器个数 */

+ (instancetype)pageContentScrollViewWithFrame:(CGRect)frame parentVC:(UIViewController *)parentVC childVCs:(NSArray *)childVCs;

/** SGPageContentScrollViewDelegate */

@property (nonatomic, weak) id delegatePageContentScrollView;

/** 是否需要滚动 SGPageContentScrollView 默认为 YES;设为 NO 时,不必设置 SGPageContentScrollView 的代理及代理方法 */

@property (nonatomic, assign) BOOL isScrollEnabled;

/** 给外界提供的方法,获取 SGPageTitleView 选中按钮的下标 */

- (void)setPageCententScrollViewCurrentIndex:(NSInteger)currentIndex;

@end



SGPageContentScrollView.m

#import "SGPageContentScrollView.h"

#import "UIView+SGFrame.h"

@interface SGPageContentScrollView ()// 外界父控制器

@property (nonatomic, weak) UIViewController *parentViewController;

/// 存储子控制器

@property (nonatomic, strong) NSArray *childViewControllers;

/// scrollView

@property (nonatomic, strong) UIScrollView *scrollView;

/// 记录刚开始时的偏移量

@property (nonatomic, assign) NSInteger startOffsetX;

/// 标记按钮是否点击

@property (nonatomic, assign) BOOL isClickBtn;

/// 标记是否默认加载第一个子视图

@property (nonatomic, assign) BOOL isFirstViewLoaded;

@end

@implementation SGPageContentScrollView

- (instancetype)initWithFrame:(CGRect)frame parentVC:(UIViewController *)parentVC childVCs:(NSArray *)childVCs {

    if (self = [super initWithFrame:frame]) {

        if (parentVC == nil) {

            @throw [NSException exceptionWithName:@"SGPagingView" reason:@"SGPageContentScrollView 所在控制器必须设置" userInfo:nil];

        }

        self.parentViewController = parentVC;

        if (childVCs == nil) {

            @throw [NSException exceptionWithName:@"SGPagingView" reason:@"SGPageContentScrollView 子控制器必须设置" userInfo:nil];

        }

        self.childViewControllers = childVCs;


        [self initialization];

        [self setupSubviews];

    }

    return self;

}

+ (instancetype)pageContentScrollViewWithFrame:(CGRect)frame parentVC:(UIViewController *)parentVC childVCs:(NSArray *)childVCs {

    return [[self alloc] initWithFrame:frame parentVC:parentVC childVCs:childVCs];

}

- (void)initialization {

    self.isClickBtn = YES;

    self.startOffsetX = 0;

    self.isFirstViewLoaded = YES;

}

- (void)setupSubviews {

    // 0、处理偏移量

    UIView *tempView = [[UIView alloc] initWithFrame:CGRectZero];

    [self addSubview:tempView];

    // 1、添加 scrollView

    [self addSubview:self.scrollView];

}

- (UIScrollView *)scrollView {

    if (!_scrollView) {

        _scrollView = [[UIScrollView alloc] init];

        _scrollView.frame = self.bounds;

        _scrollView.bounces = NO;

        _scrollView.delegate = self;

        _scrollView.pagingEnabled = YES;

        _scrollView.showsVerticalScrollIndicator = NO;

        _scrollView.showsHorizontalScrollIndicator = NO;

        CGFloat contentWidth = self.childViewControllers.count * _scrollView.SG_width;

        _scrollView.contentSize = CGSizeMake(contentWidth, 0);

    }

    return _scrollView;

}

#pragma mark - - - UIScrollViewDelegate

- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {

    self.isClickBtn = NO;

    self.startOffsetX = scrollView.contentOffset.x;

}

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {

    CGFloat offsetX = scrollView.contentOffset.x;

    // 1、pageContentScrollView:offsetX:

    if (self.delegatePageContentScrollView && [self.delegatePageContentScrollView respondsToSelector:@selector(pageContentScrollView:offsetX:)]) {

        [self.delegatePageContentScrollView pageContentScrollView:self offsetX:offsetX];

    }

    NSInteger index = offsetX / scrollView.frame.size.width;

    UIViewController *childVC = self.childViewControllers[index];

    // 2、判断控制器的view有没有加载过,如果已经加载过,就不需要加载

    if (childVC.isViewLoaded) return;

    [self.scrollView addSubview:childVC.view];

    [self.parentViewController addChildViewController:childVC];

    childVC.view.frame = CGRectMake(offsetX, 0, self.SG_width, self.SG_height);

}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView {

    if (self.isClickBtn == YES) {

        [self scrollViewDidEndDecelerating:scrollView];

        return;

    }

    // 1、定义获取需要的数据

    CGFloat progress = 0;

    NSInteger originalIndex = 0;

    NSInteger targetIndex = 0;

    // 2、判断是左滑还是右滑

    CGFloat currentOffsetX = scrollView.contentOffset.x;

    CGFloat scrollViewW = scrollView.bounds.size.width;

    if (currentOffsetX > self.startOffsetX) { // 左滑

        // 1、计算 progress

        progress = currentOffsetX / scrollViewW - floor(currentOffsetX / scrollViewW);

        // 2、计算 originalIndex

        originalIndex = currentOffsetX / scrollViewW;

        // 3、计算 targetIndex

        targetIndex = originalIndex + 1;

        if (targetIndex >= self.childViewControllers.count) {

            progress = 1;

            targetIndex = self.childViewControllers.count - 1;

        }

        // 4、如果完全划过去

        if (currentOffsetX - self.startOffsetX == scrollViewW) {

            progress = 1;

            targetIndex = originalIndex;

        }

    } else { // 右滑

        // 1、计算 progress

        progress = 1 - (currentOffsetX / scrollViewW - floor(currentOffsetX / scrollViewW));

        // 2、计算 targetIndex

        targetIndex = currentOffsetX / scrollViewW;

        // 3、计算 originalIndex

        originalIndex = targetIndex + 1;

        if (originalIndex >= self.childViewControllers.count) {

            originalIndex = self.childViewControllers.count - 1;

        }

    }

    // 3、pageContentViewDelegare; 将 progress/sourceIndex/targetIndex 传递给 SGPageTitleView

    if (self.delegatePageContentScrollView && [self.delegatePageContentScrollView respondsToSelector:@selector(pageContentScrollView:progress:originalIndex:targetIndex:)]) {

        [self.delegatePageContentScrollView pageContentScrollView:self progress:progress originalIndex:originalIndex targetIndex:targetIndex];

    }

}

#pragma mark - - - 给外界提供的方法,获取 SGPageTitleView 选中按钮的下标

- (void)setPageCententScrollViewCurrentIndex:(NSInteger)currentIndex {

    self.isClickBtn = YES;

    CGFloat offsetX = currentIndex * self.SG_width;

    if (self.isFirstViewLoaded && currentIndex == 0) {

        self.isFirstViewLoaded = NO;

        // 2、默认选中第一个子控制器;self.scrollView.contentOffset = 0

        UIViewController *childVC = self.childViewControllers[0];

        if (childVC.isViewLoaded) return;

        [self.scrollView addSubview:childVC.view];

        [self.parentViewController addChildViewController:childVC];

        childVC.view.frame = CGRectMake(offsetX, 0, self.SG_width, self.SG_height);

    }

    // 1、处理内容偏移

    self.scrollView.contentOffset = CGPointMake(offsetX, 0);

    // 2、pageContentScrollView:offsetX:

    if (self.delegatePageContentScrollView && [self.delegatePageContentScrollView respondsToSelector:@selector(pageContentScrollView:offsetX:)]) {

        [self.delegatePageContentScrollView pageContentScrollView:self offsetX:offsetX];

    }

}

#pragma mark - - - set

- (void)setIsScrollEnabled:(BOOL)isScrollEnabled {

    _isScrollEnabled = isScrollEnabled;

    if (isScrollEnabled) {


    } else {

        _scrollView.scrollEnabled = NO;

    }

}

@end



SGPageContentView.h

#import<UIKit/UIKit.h>

@class SGPageContentView;

@protocol SGPageContentViewDelegate<NSObject>

@optional

/** * 联动 SGPageTitleView 的方法 * * @param pageContentView SGPageContentView * @param progress SGPageContentView 内部视图滚动时的偏移量 * @param originalIndex 原始视图所在下标 * @param targetIndex 目标视图所在下标 */

- (void)pageContentView:(SGPageContentView *)pageContentView progress:(CGFloat)progress originalIndex:(NSInteger)originalIndex targetIndex:(NSInteger)targetIndex;

/** * 给 SGPageContentView 所在控制器提供的方法(根据偏移量来处理返回手势的问题) * * @param pageContentView SGPageContentView * @param offsetX SGPageContentView 内部视图的偏移量 */

- (void)pageContentView:(SGPageContentView *)pageContentView offsetX:(CGFloat)offsetX;

@end@interface SGPageContentView : UIView

/** * 对象方法创建 SGPageContentView * * @param frame frame * @param parentVC 当前控制器 * @param childVCs 子控制器个数 */

- (instancetype)initWithFrame:(CGRect)frame parentVC:(UIViewController *)parentVC childVCs:(NSArray *)childVCs;

/** * 类方法创建 SGPageContentView * * @param frame frame * @param parentVC 当前控制器 * @param childVCs 子控制器个数 */

+ (instancetype)pageContentViewWithFrame:(CGRect)frame parentVC:(UIViewController *)parentVC childVCs:(NSArray *)childVCs;

/** SGPageContentViewDelegate */

@property (nonatomic, weak) id delegatePageContentView;

/** 是否需要滚动 SGPageContentView 默认为 YES;设为 NO 时,不必设置 SGPageContentView 的代理及代理方法 */

@property (nonatomic, assign) BOOL isScrollEnabled;

/** 给外界提供的方法,获取 SGPageTitleView 选中按钮的下标 */

- (void)setPageCententViewCurrentIndex:(NSInteger)currentIndex;

@end


SGPageContentView.m

#import "SGPageContentView.h"

#import "UIView+SGFrame.h"

@interface SGPageContentView ()/// 外界父控制器

@property (nonatomic, weak) UIViewController *parentViewController;

/// 存储子控制器

@property (nonatomic, strong) NSArray *childViewControllers;

/// collectionView

@property (nonatomic, strong) UICollectionView *collectionView;

/// 记录刚开始时的偏移量

@property (nonatomic, assign) NSInteger startOffsetX;

/// 标记按钮是否点击

@property (nonatomic, assign) BOOL isClickBtn;

@end

@implementation SGPageContentView

- (instancetype)initWithFrame:(CGRect)frame parentVC:(UIViewController *)parentVC childVCs:(NSArray *)childVCs {

    if (self = [super initWithFrame:frame]) {

        if (parentVC == nil) {

            @throw [NSException exceptionWithName:@"SGPagingView" reason:@"SGPageContentView 所在控制器必须设置" userInfo:nil];

        }

        self.parentViewController = parentVC;

        if (childVCs == nil) {

            @throw [NSException exceptionWithName:@"SGPagingView" reason:@"SGPageContentView 子控制器必须设置" userInfo:nil];

        }

        self.childViewControllers = childVCs;


        [self initialization];

        [self setupSubviews];

    }

    return self;

}

+ (instancetype)pageContentViewWithFrame:(CGRect)frame parentVC:(UIViewController *)parentVC childVCs:(NSArray *)childVCs {

    return [[self alloc] initWithFrame:frame parentVC:parentVC childVCs:childVCs];

}

- (void)initialization {

    self.isClickBtn = NO;

    self.startOffsetX = 0;

}

- (void)setupSubviews {

    // 0、处理偏移量

    UIView *tempView = [[UIView alloc] initWithFrame:CGRectZero];

    [self addSubview:tempView];

    // 1、将所有的子控制器添加父控制器中

    for (UIViewController *childVC in self.childViewControllers) {

        [self.parentViewController addChildViewController:childVC];

    }

    // 2、添加UICollectionView, 用于在Cell中存放控制器的View

    [self addSubview:self.collectionView];

}

- (UICollectionView *)collectionView {

    if (!_collectionView) {

        UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc] init];

        flowLayout.itemSize = self.bounds.size;

        flowLayout.minimumLineSpacing = 0;

        flowLayout.minimumInteritemSpacing = 0;

        flowLayout.scrollDirection = UICollectionViewScrollDirectionHorizontal;

        CGFloat collectionViewX = 0;

        CGFloat collectionViewY = 0;

        CGFloat collectionViewW = self.SG_width;

        CGFloat collectionViewH = self.SG_height;

        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(collectionViewX, collectionViewY, collectionViewW, collectionViewH) collectionViewLayout:flowLayout];

        _collectionView.showsVerticalScrollIndicator = NO;

        _collectionView.showsHorizontalScrollIndicator = NO;

        _collectionView.pagingEnabled = YES;

        _collectionView.bounces = NO;

        _collectionView.backgroundColor = [UIColor whiteColor];

        _collectionView.delegate = self;

        _collectionView.dataSource = self;

        [_collectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"cell"];

    }

    return _collectionView;

}

#pragma mark - - - UICollectionViewDataSource

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {

    return self.childViewControllers.count;

}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {

    UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"cell" forIndexPath:indexPath];

    [cell.contentView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];

    // 设置内容

    UIViewController *childVC = self.childViewControllers[indexPath.item];

    childVC.view.frame = cell.contentView.frame;

    [cell.contentView addSubview:childVC.view];

    return cell;

}

#pragma mark - - - UIScrollViewDelegate

- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {

    self.isClickBtn = NO;

    self.startOffsetX = scrollView.contentOffset.x;

}

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {

    CGFloat offsetX = scrollView.contentOffset.x;

    // pageContentView:offsetX:

    if (self.delegatePageContentView && [self.delegatePageContentView respondsToSelector:@selector(pageContentView:offsetX:)]) {

        [self.delegatePageContentView pageContentView:self offsetX:offsetX];

    }

}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView {

    if (self.isClickBtn == YES) {

        return;

    }

    // 1、定义获取需要的数据

    CGFloat progress = 0;

    NSInteger originalIndex = 0;

    NSInteger targetIndex = 0;

    // 2、判断是左滑还是右滑

    CGFloat currentOffsetX = scrollView.contentOffset.x;

    CGFloat scrollViewW = scrollView.bounds.size.width;

    if (currentOffsetX > self.startOffsetX) { // 左滑

        // 1、计算 progress

        progress = currentOffsetX / scrollViewW - floor(currentOffsetX / scrollViewW);

        // 2、计算 originalIndex

        originalIndex = currentOffsetX / scrollViewW;

        // 3、计算 targetIndex

        targetIndex = originalIndex + 1;

        if (targetIndex >= self.childViewControllers.count) {

            progress = 1;

            targetIndex = originalIndex;

        }

        // 4、如果完全划过去

        if (currentOffsetX - self.startOffsetX == scrollViewW) {

            progress = 1;

            targetIndex = originalIndex;

        }

    } else { // 右滑

        // 1、计算 progress

        progress = 1 - (currentOffsetX / scrollViewW - floor(currentOffsetX / scrollViewW));

        // 2、计算 targetIndex

        targetIndex = currentOffsetX / scrollViewW;

        // 3、计算 originalIndex

        originalIndex = targetIndex + 1;

        if (originalIndex >= self.childViewControllers.count) {

            originalIndex = self.childViewControllers.count - 1;

        }

    }

    // 3、pageContentViewDelegare; 将 progress/sourceIndex/targetIndex 传递给 SGPageTitleView

    if (self.delegatePageContentView && [self.delegatePageContentView respondsToSelector:@selector(pageContentView:progress:originalIndex:targetIndex:)]) {

        [self.delegatePageContentView pageContentView:self progress:progress originalIndex:originalIndex targetIndex:targetIndex];

    }

}

#pragma mark - - - 给外界提供的方法,获取 SGPageTitleView 选中按钮的下标

- (void)setPageCententViewCurrentIndex:(NSInteger)currentIndex {

    self.isClickBtn = YES;

    CGFloat offsetX = currentIndex * self.collectionView.SG_width;

    // 1、处理内容偏移

    self.collectionView.contentOffset = CGPointMake(offsetX, 0);

    // 2、pageContentView:offsetX:

    if (self.delegatePageContentView && [self.delegatePageContentView respondsToSelector:@selector(pageContentView:offsetX:)]) {

        [self.delegatePageContentView pageContentView:self offsetX:offsetX];

    }

}

#pragma mark - - - set

- (void)setIsScrollEnabled:(BOOL)isScrollEnabled {

    _isScrollEnabled = isScrollEnabled;

    if (isScrollEnabled) {


    } else {

        _collectionView.scrollEnabled = NO;

    }

}

@end


SGPageTitleView.h

#import<UIKit/UIKit.h>

@class SGPageTitleViewConfigure, SGPageTitleView;

@protocol SGPageTitleViewDelegate<NSObject>

/** * 联动 pageContent 的方法 * * @param pageTitleView SGPageTitleView * @param selectedIndex 选中按钮的下标 */

- (void)pageTitleView:(SGPageTitleView *)pageTitleView selectedIndex:(NSInteger)selectedIndex;

@end@interface SGPageTitleView : UIView

/** * 对象方法创建 SGPageTitleView * * @param frame frame * @param delegate delegate * @param titleNames 标题数组 * @param configure SGPageTitleView 信息配置 */

- (instancetype)initWithFrame:(CGRect)frame delegate:(id)delegate titleNames:(NSArray *)titleNames configure:(SGPageTitleViewConfigure *)configure;

/** * 类方法创建 SGPageTitleView * * @param frame frame * @param delegate delegate * @param titleNames 标题数组 * @param configure SGPageTitleView 信息配置 */

+ (instancetype)pageTitleViewWithFrame:(CGRect)frame delegate:(id)delegate titleNames:(NSArray *)titleNames configure:(SGPageTitleViewConfigure *)configure;

/** SGPageTitleView 是否需要弹性效果,默认为 YES */

@property (nonatomic, assign) BOOL isNeedBounces;

/** 选中标题按钮下标,默认为 0 */

@property (nonatomic, assign) NSInteger selectedIndex;

/** 重置选中标题按钮下标(用于子控制器内的点击事件改变标题的选中下标)*/

@property (nonatomic, assign) NSInteger resetSelectedIndex;

/** 是否让标题按钮文字有渐变效果,默认为 YES */

@property (nonatomic, assign) BOOL isTitleGradientEffect;

/** 是否开启标题按钮文字缩放效果,默认为 NO */

@property (nonatomic, assign) BOOL isOpenTitleTextZoom;

/** 标题文字缩放比,默认为 0.1f,取值范围 0 ~ 0.3f */

@property (nonatomic, assign) CGFloat titleTextScaling;

/** 是否显示指示器,默认为 YES */

@property (nonatomic, assign) BOOL isShowIndicator;

/** 是否显示底部分割线,默认为 YES */

@property (nonatomic, assign) BOOL isShowBottomSeparator;

/** 给外界提供的方法,获取 SGPageContentView 的 progress/originalIndex/targetIndex, 必须实现 */

- (void)setPageTitleViewWithProgress:(CGFloat)progress originalIndex:(NSInteger)originalIndex targetIndex:(NSInteger)targetIndex;

/** 根据下标重置标题文字(index 标题所对应的下标值、title 新的标题名)*/

- (void)resetTitleWithIndex:(NSInteger)index newTitle:(NSString *)title;

@end


SGPageTitleView.m

#import "SGPageTitleView.h"

#import "UIView+SGFrame.h"

#import "SGPageTitleViewConfigure.h"

#define SGPageTitleViewWidth self.frame.size.width

#define SGPageTitleViewHeight self.frame.size.height

#pragma mark - - - SGPageTitleButton

@interface SGPageTitleButton : UIButton

@end

@implementation SGPageTitleButton

- (void)setHighlighted:(BOOL)highlighted { 

 }

@end

#pragma mark - - - SGPageTitleView

@interface SGPageTitleView ()

/// SGPageTitleViewDelegate

@property (nonatomic, weak) iddelegatePageTitleView;

/// SGPageTitleViewConfigure

@property (nonatomic, strong) SGPageTitleViewConfigure *configure;

/// scrollView

@property (nonatomic, strong) UIScrollView *scrollView;

/// 指示器

@property (nonatomic, strong) UIView *indicatorView;

/// 底部分割线

@property (nonatomic, strong) UIView *bottomSeparator;

/// 保存外界传递过来的标题数组

@property (nonatomic, strong) NSArray *titleArr;

/// 存储标题按钮的数组

@property (nonatomic, strong) NSMutableArray *btnMArr;

/// tempBtn

@property (nonatomic, strong) UIButton *tempBtn;

/// 记录所有按钮文字宽度

@property (nonatomic, assign) CGFloat allBtnTextWidth;

// 记录所有子控件的宽度

@property (nonatomic, assign) CGFloat allBtnWidth;

/// 标记按钮下标

@property (nonatomic, assign) NSInteger signBtnIndex;

/// 开始颜色, 取值范围 0~1

@property (nonatomic, assign) CGFloat startR;

@property (nonatomic, assign) CGFloat startG;

@property (nonatomic, assign) CGFloat startB;

/// 完成颜色, 取值范围 0~1

@property (nonatomic, assign) CGFloat endR;

@property (nonatomic, assign) CGFloat endG;

@property (nonatomic, assign) CGFloat endB;

@end

@implementation SGPageTitleView

- (instancetype)initWithFrame:(CGRect)frame delegate:(id)delegate titleNames:(NSArray *)titleNames configure:(SGPageTitleViewConfigure *)configure { 

 if (self = [super initWithFrame:frame]) { 

 self.backgroundColor = [[UIColor whiteColor] colorWithAlphaComponent:0.77];

 if (delegate == nil) {

 @throw [NSException exceptionWithName:@"SGPagingView" reason:@"SGPageTitleView 的代理方法必须设置" userInfo:nil];

 }

 self.delegatePageTitleView = delegate; 

 if (titleNames == nil) { 

 @throw [NSException exceptionWithName:@"SGPagingView" reason:@"SGPageTitleView 的标题数组必须设置" userInfo:nil]; 

 } 

 self.titleArr = titleNames;

 if (configure == nil) { 

 @throw [NSException exceptionWithName:@"SGPagingView" reason:@"SGPageTitleView 的配置属性必须设置" userInfo:nil]; 

 } 

 self.configure = configure;

 [self initialization]; [self setupSubviews]; 

 } 

 return self;

}

+ (instancetype)pageTitleViewWithFrame:(CGRect)frame delegate:(id)delegate titleNames:(NSArray *)titleNames configure:(SGPageTitleViewConfigure *)configure {

    return [[self alloc] initWithFrame:frame delegate:delegate titleNames:titleNames configure:configure];

}

- (void)initialization {

    _isTitleGradientEffect = YES;

    _isOpenTitleTextZoom = NO;

    _isShowIndicator = YES;

    _isNeedBounces = YES;

    _isShowBottomSeparator = YES;

    _selectedIndex = 0;

    _titleTextScaling = 0.1;

}

- (void)setupSubviews {

    // 0、处理偏移量

    UIView *tempView = [[UIView alloc] initWithFrame:CGRectZero];

    [self addSubview:tempView];

    // 1、添加 UIScrollView

    [self addSubview:self.scrollView];

    // 2、添加标题按钮

    [self setupTitleButtons];

    // 3、添加底部分割线

    [self addSubview:self.bottomSeparator];

    // 4、添加指示器

    [self.scrollView insertSubview:self.indicatorView atIndex:0];

}

#pragma mark - - - layoutSubviews

- (void)layoutSubviews {

    [super layoutSubviews];

    // 选中按钮下标初始值

    UIButton *lastBtn = self.btnMArr.lastObject;

    if (lastBtn.tag >= _selectedIndex && _selectedIndex >= 0) {

        [self P_btn_action:self.btnMArr[_selectedIndex]];

    } else {

        return;

    }

}

#pragma mark - - - 懒加载

- (NSArray *)titleArr {

    if (!_titleArr) {

        _titleArr = [NSArray array];

    }

    return _titleArr;

}

- (NSMutableArray *)btnMArr {

    if (!_btnMArr) {

        _btnMArr = [NSMutableArray array];

    }

    return _btnMArr;

}

- (UIScrollView *)scrollView {

    if (!_scrollView) {

        _scrollView = [[UIScrollView alloc] init];

        _scrollView.showsVerticalScrollIndicator = NO;

        _scrollView.showsHorizontalScrollIndicator = NO;

        _scrollView.alwaysBounceHorizontal = YES;

        _scrollView.frame = CGRectMake(0, 0, SGPageTitleViewWidth, SGPageTitleViewHeight);

    }

    return _scrollView;

}

- (UIView *)indicatorView {

    if (!_indicatorView) {

        _indicatorView = [[UIView alloc] init];

        if (self.configure.indicatorStyle == SGIndicatorStyleDefault) {

            CGFloat indicatorViewH = self.configure.indicatorHeight;

            _indicatorView.SG_height = indicatorViewH;

            _indicatorView.SG_y = self.SG_height - indicatorViewH;

        } else {

            CGFloat tempIndicatorViewH = [self SG_heightWithString:[self.btnMArr[0] currentTitle] font:self.configure.titleFont];

            if (self.configure.indicatorHeight > self.SG_height) {

                _indicatorView.SG_y = 0;

                _indicatorView.SG_height = self.SG_height;

            } else if (self.configure.indicatorHeight < tempIndicatorViewH) {

                _indicatorView.SG_y = 0.5 * (self.SG_height - tempIndicatorViewH);

                _indicatorView.SG_height = tempIndicatorViewH;

            } else {

                _indicatorView.SG_y = 0.5 * (self.SG_height - self.configure.indicatorHeight);

                _indicatorView.SG_height = self.configure.indicatorHeight;

            }


            // 圆角处理

            if (self.configure.indicatorCornerRadius > 0.5 * _indicatorView.SG_height) {

                _indicatorView.layer.cornerRadius = 0.5 * _indicatorView.SG_height;

            } else {

                _indicatorView.layer.cornerRadius = self.configure.indicatorCornerRadius;

            }


            // 边框宽度及边框颜色

            _indicatorView.layer.borderWidth = self.configure.indicatorBorderWidth;

            _indicatorView.layer.borderColor = self.configure.indicatorBorderColor.CGColor;

        }

        _indicatorView.backgroundColor = self.configure.indicatorColor;

    }

    return _indicatorView;

}

- (UIView *)bottomSeparator {

    if (!_bottomSeparator) {

        _bottomSeparator = [[UIView alloc] init];

        CGFloat bottomSeparatorW = self.SG_width;

        CGFloat bottomSeparatorH = 0.5;

        CGFloat bottomSeparatorX = 0;

        CGFloat bottomSeparatorY = self.SG_height - bottomSeparatorH;

        _bottomSeparator.frame = CGRectMake(bottomSeparatorX, bottomSeparatorY, bottomSeparatorW, bottomSeparatorH);

        _bottomSeparator.backgroundColor = [UIColor lightGrayColor];

    }

    return _bottomSeparator;

}

#pragma mark - - - 计算字符串宽度

- (CGFloat)SG_widthWithString:(NSString *)string font:(UIFont *)font {

    NSDictionary *attrs = @{NSFontAttributeName : font};

    return [string boundingRectWithSize:CGSizeMake(0, 0) options:NSStringDrawingUsesLineFragmentOrigin attributes:attrs context:nil].size.width;

}

- (CGFloat)SG_heightWithString:(NSString *)string font:(UIFont *)font {

    NSDictionary *attrs = @{NSFontAttributeName : font};

    return [string boundingRectWithSize:CGSizeMake(0, 0) options:NSStringDrawingUsesLineFragmentOrigin attributes:attrs context:nil].size.height;

}

#pragma mark - - - 添加标题按钮

- (void)setupTitleButtons {

    // 计算所有按钮的文字宽度

    [self.titleArr enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {

        CGFloat tempWidth = [self SG_widthWithString:obj font:self.configure.titleFont];

        self.allBtnTextWidth += tempWidth;

    }];

    // 所有按钮文字宽度 + 按钮之间的间隔

    self.allBtnWidth = self.configure.spacingBetweenButtons * (self.titleArr.count + 1) + self.allBtnTextWidth;

    self.allBtnWidth = ceilf(self.allBtnWidth);


    NSInteger titleCount = self.titleArr.count;

    if (self.allBtnWidth <= self.bounds.size.width) { /// SGPageTitleView 不可滚动

        CGFloat btnY = 0;

        CGFloat btnW = SGPageTitleViewWidth / self.titleArr.count;

        CGFloat btnH = 0;

        if (self.configure.indicatorStyle == SGIndicatorStyleDefault) {

            btnH = SGPageTitleViewHeight - self.configure.indicatorHeight;

        } else {

            btnH = SGPageTitleViewHeight;

        }

        for (NSInteger index = 0; index < titleCount; index++) {

            SGPageTitleButton *btn = [[SGPageTitleButton alloc] init];

            CGFloat btnX = btnW * index;

            btn.frame = CGRectMake(btnX, btnY, btnW, btnH);

            btn.tag = index;

            btn.titleLabel.font = self.configure.titleFont;

            [btn setTitle:self.titleArr[index] forState:(UIControlStateNormal)];

            [btn setTitleColor:self.configure.titleColor forState:(UIControlStateNormal)];

            [btn setTitleColor:self.configure.titleSelectedColor forState:(UIControlStateSelected)];

            [btn addTarget:self action:@selector(P_btn_action:) forControlEvents:(UIControlEventTouchUpInside)];

            [self.btnMArr addObject:btn];

            [self.scrollView addSubview:btn];


            [self setupStartColor:self.configure.titleColor];

            [self setupEndColor:self.configure.titleSelectedColor];

        }

        self.scrollView.contentSize = CGSizeMake(SGPageTitleViewWidth, SGPageTitleViewHeight);


    } else { /// SGPageTitleView 可滚动

        CGFloat btnX = 0;

        CGFloat btnY = 0;

        CGFloat btnH = 0;

        if (self.configure.indicatorStyle == SGIndicatorStyleDefault) {

            btnH = SGPageTitleViewHeight - self.configure.indicatorHeight;

        } else {

            btnH = SGPageTitleViewHeight;

        }

        for (NSInteger index = 0; index < titleCount; index++) {

            SGPageTitleButton *btn = [[SGPageTitleButton alloc] init];

            CGFloat btnW = [self SG_widthWithString:self.titleArr[index] font:self.configure.titleFont] + self.configure.spacingBetweenButtons;

            btn.frame = CGRectMake(btnX, btnY, btnW, btnH);

            btnX = btnX + btnW;

            btn.tag = index;

            btn.titleLabel.font = self.configure.titleFont;

            [btn setTitle:self.titleArr[index] forState:(UIControlStateNormal)];

            [btn setTitleColor:self.configure.titleColor forState:(UIControlStateNormal)];

            [btn setTitleColor:self.configure.titleSelectedColor forState:(UIControlStateSelected)];

            [btn addTarget:self action:@selector(P_btn_action:) forControlEvents:(UIControlEventTouchUpInside)];

            [self.btnMArr addObject:btn];

            [self.scrollView addSubview:btn];


            [self setupStartColor:self.configure.titleColor];

            [self setupEndColor:self.configure.titleSelectedColor];

        }


        CGFloat scrollViewWidth = CGRectGetMaxX(self.scrollView.subviews.lastObject.frame);

        self.scrollView.contentSize = CGSizeMake(scrollViewWidth, SGPageTitleViewHeight);

    }

}

#pragma mark - - - 标题按钮的点击事件

- (void)P_btn_action:(UIButton *)button {

    // 1、改变按钮的选择状态

    [self P_changeSelectedButton:button];

    // 2、滚动标题选中居中

    if (self.allBtnWidth > SGPageTitleViewWidth) {

        [self P_selectedBtnCenter:button];

    }

    // 3、改变指示器的位置

    [self P_changeIndicatorViewLocationWithButton:button];

    // 4、pageTitleViewDelegate

    if ([self.delegatePageTitleView respondsToSelector:@selector(pageTitleView:selectedIndex:)]) {

        [self.delegatePageTitleView pageTitleView:self selectedIndex:button.tag];

    }

    // 5、标记按钮下标

    self.signBtnIndex = button.tag;

}

/// 改变按钮的选择状态

- (void)P_changeSelectedButton:(UIButton *)button {

    if (self.tempBtn == nil) {

        button.selected = YES;

        self.tempBtn = button;

    } else if (self.tempBtn != nil && self.tempBtn == button){

        button.selected = YES;

    } else if (self.tempBtn != button && self.tempBtn != nil){

        self.tempBtn.selected = NO;

        button.selected = YES;

        self.tempBtn = button;

    }

    // 标题文字缩放属性

    if (self.isOpenTitleTextZoom) {

        [self.btnMArr enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {

            UIButton *btn = obj;

            btn.transform = CGAffineTransformMakeScale(1, 1);

        }];

        button.transform = CGAffineTransformMakeScale(1 + self.titleTextScaling, 1 + self.titleTextScaling);

    }

}

/// 滚动标题选中居中

- (void)P_selectedBtnCenter:(UIButton *)centerBtn {

    // 计算偏移量

    CGFloat offsetX = centerBtn.center.x - SGPageTitleViewWidth * 0.5;

    if (offsetX < 0) offsetX = 0;

    // 获取最大滚动范围

    CGFloat maxOffsetX = self.scrollView.contentSize.width - SGPageTitleViewWidth;

    if (offsetX > maxOffsetX) offsetX = maxOffsetX;

    // 滚动标题滚动条

    [self.scrollView setContentOffset:CGPointMake(offsetX, 0) animated:YES];

}

/// 改变指示器的位置

- (void)P_changeIndicatorViewLocationWithButton:(UIButton *)button {

    [UIView animateWithDuration:self.configure.indicatorAnimationTime animations:^{

        CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:button.currentTitle font:self.configure.titleFont];

        if (tempIndicatorWidth > button.SG_width) {

            tempIndicatorWidth = button.SG_width;

        }

        self.indicatorView.SG_width = tempIndicatorWidth;

        self.indicatorView.SG_centerX = button.SG_centerX;

    }];

}

#pragma mark - - - 给外界提供的方法

- (void)setPageTitleViewWithProgress:(CGFloat)progress originalIndex:(NSInteger)originalIndex targetIndex:(NSInteger)targetIndex {

    // 1、取出 originalBtn/targetBtn

    UIButton *originalBtn = self.btnMArr[originalIndex];

    UIButton *targetBtn = self.btnMArr[targetIndex];

    self.signBtnIndex = targetBtn.tag;

    // 2、 滚动标题选中居中

    [self P_selectedBtnCenter:targetBtn];

    // 3、处理指示器的逻辑

    if (self.allBtnWidth <= self.bounds.size.width) { /// SGPageTitleView 不可滚动

        if (self.configure.indicatorScrollStyle == SGIndicatorScrollStyleDefault) {

            [self P_smallIndicatorScrollStyleDefaultWithProgress:progress originalBtn:originalBtn targetBtn:targetBtn];

        } else {

            [self P_smallIndicatorScrollStyleHalfEndWithProgress:progress originalBtn:originalBtn targetBtn:targetBtn];

        }

    } else { /// SGPageTitleView 可滚动

        if (self.configure.indicatorScrollStyle == SGIndicatorScrollStyleDefault) {

            [self P_indicatorScrollStyleDefaultWithProgress:progress originalBtn:originalBtn targetBtn:targetBtn];

        } else {

            [self P_indicatorScrollStyleHalfEndWithProgress:progress originalBtn:originalBtn targetBtn:targetBtn];

        }

    }

    // 4、颜色的渐变(复杂)

    if (self.isTitleGradientEffect) {

        [self P_isTitleGradientEffectWithProgress:progress originalBtn:originalBtn targetBtn:targetBtn];

    }

    // 5 、标题文字缩放属性

    if (self.isOpenTitleTextZoom) {

        // 左边缩放

        originalBtn.transform = CGAffineTransformMakeScale((1 - progress) * self.titleTextScaling + 1, (1 - progress) * self.titleTextScaling + 1);

        // 右边缩放

        targetBtn.transform = CGAffineTransformMakeScale(progress * self.titleTextScaling + 1, progress * self.titleTextScaling + 1);

    }

}

/**

*  根据下标重置标题文字

*

*  @param index 标题所对应的下标

*  @param title 新标题名

*/

- (void)resetTitleWithIndex:(NSInteger)index newTitle:(NSString *)title {

    if (index < self.btnMArr.count) {

        UIButton *button = (UIButton *)self.btnMArr[index];

        [button setTitle:title forState:UIControlStateNormal];

        if (self.signBtnIndex == index) {

            CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:button.currentTitle font:self.configure.titleFont];

            if (tempIndicatorWidth > button.SG_width) {

                tempIndicatorWidth = button.SG_width;

            }

            self.indicatorView.SG_width = tempIndicatorWidth;

            self.indicatorView.SG_centerX = button.SG_centerX;

        }

    }

}

#pragma mark - - - 内部方法 --> P_

/// SGPageTitleView 不可滚动 - - - SGIndicatorScrollStyleDefault

- (void)P_smallIndicatorScrollStyleDefaultWithProgress:(CGFloat)progress originalBtn:(UIButton *)originalBtn targetBtn:(UIButton *)targetBtn {

    // 1、改变按钮的选择状态

    if (progress >= 0.8) { /// 此处取 >= 0.8 而不是 1.0 为的是防止用户滚动过快而按钮的选中状态并没有改变

        [self P_changeSelectedButton:targetBtn];

    }

    CGFloat targetBtnX = CGRectGetMaxX(targetBtn.frame) - [self SG_widthWithString:targetBtn.currentTitle font:self.configure.titleFont] - 0.5 * (self.SG_width / self.titleArr.count - [self SG_widthWithString:targetBtn.currentTitle font:self.configure.titleFont] + self.configure.indicatorAdditionalWidth);

    CGFloat originalBtnX = CGRectGetMaxX(originalBtn.frame) - [self SG_widthWithString:originalBtn.currentTitle font:self.configure.titleFont] - 0.5 * (self.SG_width / self.titleArr.count - [self SG_widthWithString:originalBtn.currentTitle font:self.configure.titleFont] + self.configure.indicatorAdditionalWidth);

    CGFloat totalOffsetX = targetBtnX - originalBtnX;


    /// 计算 targetBtn/originalBtn 宽度的差值

    CGFloat targetBtnDistance = (CGRectGetMaxX(targetBtn.frame) - 0.5 * (self.SG_width / self.titleArr.count - [self SG_widthWithString:targetBtn.currentTitle font:self.configure.titleFont]));

    CGFloat originalBtnDistance = (CGRectGetMaxX(originalBtn.frame) - 0.5 * (self.SG_width / self.titleArr.count - [self SG_widthWithString:originalBtn.currentTitle font:self.configure.titleFont]));

    CGFloat totalDistance = targetBtnDistance - originalBtnDistance;


    /// 计算 indicatorView 滚动时 X 的偏移量

    CGFloat offsetX;

    /// 计算 indicatorView 滚动时宽度的偏移量

    CGFloat distance;

    offsetX = totalOffsetX * progress;

    distance = progress * (totalDistance - totalOffsetX);


    /// 计算 indicatorView 新的 frame

    self.indicatorView.SG_x = originalBtnX + offsetX;


    CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:originalBtn.currentTitle font:self.configure.titleFont] + distance;

    if (tempIndicatorWidth >= targetBtn.SG_width) {

        CGFloat moveTotalX = targetBtn.SG_origin.x - originalBtn.SG_origin.x;

        CGFloat moveX = moveTotalX * progress;

        self.indicatorView.SG_centerX = originalBtn.SG_centerX + moveX;

    } else {

        self.indicatorView.SG_width = tempIndicatorWidth;

    }

}

/// SGPageTitleView 可滚动 - - - SGIndicatorScrollStyleDefault

- (void)P_indicatorScrollStyleDefaultWithProgress:(CGFloat)progress originalBtn:(UIButton *)originalBtn targetBtn:(UIButton *)targetBtn {

    /// 改变按钮的选择状态

    if (progress >= 0.8) { /// 此处取 >= 0.8 而不是 1.0 为的是防止用户滚动过快而按钮的选中状态并没有改变

        [self P_changeSelectedButton:targetBtn];

    }


    /// 计算 targetBtn/originalBtn 之间的距离

    CGFloat totalOffsetX = targetBtn.SG_origin.x - originalBtn.SG_origin.x;

    /// 计算 targetBtn/originalBtn 宽度的差值

    CGFloat totalDistance = CGRectGetMaxX(targetBtn.frame) - CGRectGetMaxX(originalBtn.frame);

    /// 计算 indicatorView 滚动时 X 的偏移量

    CGFloat offsetX = 0.0;

    /// 计算 indicatorView 滚动时宽度的偏移量

    CGFloat distance = 0.0;


    CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:targetBtn.currentTitle font:self.configure.titleFont];

    if (tempIndicatorWidth >= targetBtn.SG_width) {

        offsetX = totalOffsetX * progress;

        distance = progress * (totalDistance - totalOffsetX);

        self.indicatorView.SG_x = originalBtn.SG_origin.x + offsetX;

        self.indicatorView.SG_width = originalBtn.SG_width + distance;

    } else {

        offsetX = totalOffsetX * progress + 0.5 * self.configure.spacingBetweenButtons - 0.5 * self.configure.indicatorAdditionalWidth;

        distance = progress * (totalDistance - totalOffsetX) - self.configure.spacingBetweenButtons;

        /// 计算 indicatorView 新的 frame

        self.indicatorView.SG_x = originalBtn.SG_origin.x + offsetX;

        self.indicatorView.SG_width = originalBtn.SG_width + distance + self.configure.indicatorAdditionalWidth;

    }

}

/// SGPageTitleView 不可滚动 - - - SGIndicatorScrollStyleHalf - SGIndicatorScrollStyleEnd

- (void)P_smallIndicatorScrollStyleHalfEndWithProgress:(CGFloat)progress originalBtn:(UIButton *)originalBtn targetBtn:(UIButton *)targetBtn {

    if (self.configure.indicatorScrollStyle == SGIndicatorScrollStyleHalf) {

        if (progress >= 0.5) {

            CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:targetBtn.currentTitle font:self.configure.titleFont];

            [UIView animateWithDuration:self.configure.indicatorAnimationTime animations:^{

                if (tempIndicatorWidth >= targetBtn.SG_width) {

                    self.indicatorView.SG_width = targetBtn.SG_width;

                } else {

                    self.indicatorView.SG_width = tempIndicatorWidth;

                }

                self.indicatorView.SG_centerX = targetBtn.SG_centerX;

                [self P_changeSelectedButton:targetBtn];

            }];

        } else {

            CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:originalBtn.currentTitle font:self.configure.titleFont];

            [UIView animateWithDuration:self.configure.indicatorAnimationTime animations:^{

                if (tempIndicatorWidth >= targetBtn.SG_width) {

                    self.indicatorView.SG_width = originalBtn.SG_width;

                } else {

                    self.indicatorView.SG_width = tempIndicatorWidth;

                }

                self.indicatorView.SG_centerX = originalBtn.SG_centerX;

                [self P_changeSelectedButton:originalBtn];

            }];

        }

    } else {

        if (progress == 1.0) {

            CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:targetBtn.currentTitle font:self.configure.titleFont];

            [UIView animateWithDuration:self.configure.indicatorAnimationTime animations:^{

                if (tempIndicatorWidth >= targetBtn.SG_width) {

                    self.indicatorView.SG_width = targetBtn.SG_width;

                } else {

                    self.indicatorView.SG_width = tempIndicatorWidth;

                }

                self.indicatorView.SG_centerX = targetBtn.SG_centerX;

                [self P_changeSelectedButton:targetBtn];

            }];

        } else {

            CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:originalBtn.currentTitle font:self.configure.titleFont];

            [UIView animateWithDuration:self.configure.indicatorAnimationTime animations:^{

                if (tempIndicatorWidth >= targetBtn.SG_width) {

                    self.indicatorView.SG_width = originalBtn.SG_width;

                } else {

                    self.indicatorView.SG_width = tempIndicatorWidth;

                }

                self.indicatorView.SG_centerX = originalBtn.SG_centerX;

                [self P_changeSelectedButton:originalBtn];

            }];

        }

    }

}

/// SGPageTitleView 可滚动 - - - SGIndicatorScrollStyleHalf - SGIndicatorScrollStyleEnd

- (void)P_indicatorScrollStyleHalfEndWithProgress:(CGFloat)progress originalBtn:(UIButton *)originalBtn targetBtn:(UIButton *)targetBtn {

    if (self.configure.indicatorScrollStyle == SGIndicatorScrollStyleHalf) {

        if (progress >= 0.5) {

            CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:targetBtn.currentTitle font:self.configure.titleFont];

            [UIView animateWithDuration:self.configure.indicatorAnimationTime animations:^{

                if (tempIndicatorWidth >= targetBtn.SG_width) {

                    self.indicatorView.SG_width = targetBtn.SG_width;

                } else {

                    self.indicatorView.SG_width = tempIndicatorWidth;

                }

                self.indicatorView.SG_centerX = targetBtn.SG_centerX;

                [self P_changeSelectedButton:targetBtn];

            }];

        } else {

            CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:originalBtn.currentTitle font:self.configure.titleFont];

            [UIView animateWithDuration:self.configure.indicatorAnimationTime animations:^{

                if (tempIndicatorWidth >= originalBtn.SG_width) {

                    self.indicatorView.SG_width = originalBtn.SG_width;

                } else {

                    self.indicatorView.SG_width = tempIndicatorWidth;

                }

                self.indicatorView.SG_centerX = originalBtn.SG_centerX;

                [self P_changeSelectedButton:originalBtn];

            }];

        }

    } else {

        if (progress == 1.0) {

            CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:targetBtn.currentTitle font:self.configure.titleFont];

            [UIView animateWithDuration:self.configure.indicatorAnimationTime animations:^{

                if (tempIndicatorWidth >= targetBtn.SG_width) {

                    self.indicatorView.SG_width = targetBtn.SG_width;

                } else {

                    self.indicatorView.SG_width = tempIndicatorWidth;

                }

                self.indicatorView.SG_centerX = targetBtn.SG_centerX;

                [self P_changeSelectedButton:targetBtn];

            }];


        } else {

            CGFloat tempIndicatorWidth = self.configure.indicatorAdditionalWidth + [self SG_widthWithString:originalBtn.currentTitle font:self.configure.titleFont];

            [UIView animateWithDuration:self.configure.indicatorAnimationTime animations:^{

                if (tempIndicatorWidth >= originalBtn.SG_width) {

                    self.indicatorView.SG_width = originalBtn.SG_width;

                } else {

                    self.indicatorView.SG_width = tempIndicatorWidth;

                }

                self.indicatorView.SG_centerX = originalBtn.SG_centerX;

                [self P_changeSelectedButton:originalBtn];

            }];

        }

    }

}

#pragma mark - - - 颜色渐变方法抽取

- (void)P_isTitleGradientEffectWithProgress:(CGFloat)progress originalBtn:(UIButton *)originalBtn targetBtn:(UIButton *)targetBtn {

    // 获取 targetProgress

    CGFloat targetProgress = progress;

    // 获取 originalProgress

    CGFloat originalProgress = 1 - targetProgress;


    CGFloat r = self.endR - self.startR;

    CGFloat g = self.endG - self.startG;

    CGFloat b = self.endB - self.startB;

    UIColor *originalColor = [UIColor colorWithRed:self.startR +  r * originalProgress  green:self.startG +  g * originalProgress  blue:self.startB +  b * originalProgress alpha:1];

    UIColor *targetColor = [UIColor colorWithRed:self.startR + r * targetProgress green:self.startG + g * targetProgress blue:self.startB + b * targetProgress alpha:1];


    // 设置文字颜色渐变

    originalBtn.titleLabel.textColor = originalColor;

    targetBtn.titleLabel.textColor = targetColor;

}

#pragma mark - - - set

- (void)setIsNeedBounces:(BOOL)isNeedBounces {

    _isNeedBounces = isNeedBounces;

    if (isNeedBounces == NO) {

        self.scrollView.bounces = NO;

    }

}

- (void)setSelectedIndex:(NSInteger)selectedIndex {

    _selectedIndex = selectedIndex;


    if (selectedIndex) {

        _selectedIndex = selectedIndex;

    }

}

- (void)setResetSelectedIndex:(NSInteger)resetSelectedIndex {

    _resetSelectedIndex = resetSelectedIndex;

    [self P_btn_action:self.btnMArr[resetSelectedIndex]];

}

- (void)setIsTitleGradientEffect:(BOOL)isTitleGradientEffect {

    _isTitleGradientEffect = isTitleGradientEffect;

}

- (void)setIsOpenTitleTextZoom:(BOOL)isOpenTitleTextZoom {

    _isOpenTitleTextZoom = isOpenTitleTextZoom;

}

- (void)setTitleTextScaling:(CGFloat)titleTextScaling {

    _titleTextScaling = titleTextScaling;


    if (titleTextScaling) {

        if (titleTextScaling >= 0.3) {

            _titleTextScaling = 0.3;

        } else {

            _titleTextScaling = 0.1;

        }

    }

}

- (void)setIsShowIndicator:(BOOL)isShowIndicator {

    _isShowIndicator = isShowIndicator;

    if (isShowIndicator == NO) {

        [self.indicatorView removeFromSuperview];

        self.indicatorView = nil;

    }

}

- (void)setIsShowBottomSeparator:(BOOL)isShowBottomSeparator {

    _isShowBottomSeparator = isShowBottomSeparator;

    if (isShowBottomSeparator) {


    } else {

        [self.bottomSeparator removeFromSuperview];

        self.bottomSeparator = nil;

    }

}

#pragma mark - - - 颜色设置的计算

/// 开始颜色设置

- (void)setupStartColor:(UIColor *)color {

    CGFloat components[3];

    [self getRGBComponents:components forColor:color];

    self.startR = components[0];

    self.startG = components[1];

    self.startB = components[2];

}

/// 结束颜色设置

- (void)setupEndColor:(UIColor *)color {

    CGFloat components[3];

    [self getRGBComponents:components forColor:color];

    self.endR = components[0];

    self.endG = components[1];

    self.endB = components[2];

}

/**

*  指定颜色,获取颜色的RGB值

*

*  @param components RGB数组

*  @param color      颜色

*/

- (void)getRGBComponents:(CGFloat [3])components forColor:(UIColor *)color {

    CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB();

    unsigned char resultingPixel[4];

    CGContextRef context = CGBitmapContextCreate(&resultingPixel, 1, 1, 8, 4, rgbColorSpace, 1);

    CGContextSetFillColorWithColor(context, [color CGColor]);

    CGContextFillRect(context, CGRectMake(0, 0, 1, 1));

    CGContextRelease(context);

    CGColorSpaceRelease(rgbColorSpace);

    for (int component = 0; component < 3; component++) {

        components[component] = resultingPixel[component] / 255.0f;

    }

}

@end


SGPageTitleViewConfigure.h

#import<UIKit/UIKit.h>

#import<Foundation/Foundation.h>

typedef enum : NSUInteger {

    /// 下划线样式

    SGIndicatorStyleDefault,

    /// 遮盖样式

    SGIndicatorStyleCover,

} SGIndicatorStyle;

typedef enum : NSUInteger {

    /// 指示器位置跟随内容滚动而改变

    SGIndicatorScrollStyleDefault,

    /// 内容滚动一半时指示器位置改变

    SGIndicatorScrollStyleHalf,

    /// 内容滚动结束时指示器位置改变

    SGIndicatorScrollStyleEnd

} SGIndicatorScrollStyle;

@interface SGPageTitleViewConfigure : NSObject

/** 类方法创建 */

+ (instancetype)pageTitleViewConfigure;

/** 按钮之间的间距,默认为 20.0f */

@property (nonatomic, assign) CGFloat spacingBetweenButtons;

/** 标题文字字号大小,默认 15 号字体 */

@property (nonatomic, strong) UIFont *titleFont;

/** 普通状态下标题按钮文字的颜色,默认为黑色 */

@property (nonatomic, strong) UIColor *titleColor;

/** 选中状态下标题按钮文字的颜色,默认为红色 */

@property (nonatomic, strong) UIColor *titleSelectedColor;

/** 指示器高度,默认为 2.0f */

@property (nonatomic, assign) CGFloat indicatorHeight;

/** 指示器颜色,默认为红色 */

@property (nonatomic, strong) UIColor *indicatorColor;

/** 指示器的额外宽度,介于按钮文字宽度与按钮宽度之间 */

@property (nonatomic, assign) CGFloat indicatorAdditionalWidth;

/** 指示器动画时间,默认为 0.1f,取值范围 0 ~ 0.3f */

@property (nonatomic, assign) CGFloat indicatorAnimationTime;

/** 指示器样式,默认为 SGIndicatorStyleDefault */

@property (nonatomic, assign) SGIndicatorStyle indicatorStyle;

/** 指示器遮盖样式下的圆角大小,默认为 0.1f */

@property (nonatomic, assign) CGFloat indicatorCornerRadius;

/** 指示器遮盖样式下的边框宽度,默认为 0.0f */

@property (nonatomic, assign) CGFloat indicatorBorderWidth;

/** 指示器遮盖样式下的边框颜色,默认为 clearColor */

@property (nonatomic, strong) UIColor *indicatorBorderColor;

/** 指示器滚动位置改变样式,默认为 SGIndicatorScrollStyleDefault */

@property (nonatomic, assign) SGIndicatorScrollStyle indicatorScrollStyle;

@end


SGPageTitleViewConfigure.m

#import "SGPageTitleViewConfigure.h"

@implementation SGPageTitleViewConfigure

+ (instancetype)pageTitleViewConfigure {

    return [[self alloc] init];

}

- (CGFloat)spacingBetweenButtons {

    if (_spacingBetweenButtons <= 0) {

        _spacingBetweenButtons = 20;

    }

    return _spacingBetweenButtons;

}

- (UIFont *)titleFont {

    if (!_titleFont) {

        _titleFont = [UIFont systemFontOfSize:15];

    }

    return _titleFont;

}

- (UIColor *)titleColor {

    if (!_titleColor) {

        _titleColor = [UIColor blackColor];

    }

    return _titleColor;

}

- (UIColor *)titleSelectedColor {

    if (!_titleSelectedColor) {

        _titleSelectedColor = [UIColor redColor];

    }

    return _titleSelectedColor;

}

- (CGFloat)indicatorHeight {

    if (_indicatorHeight <= 0) {

        _indicatorHeight = 2.0f;

    }

    return _indicatorHeight;

}

- (UIColor *)indicatorColor {

    if (!_indicatorColor) {

        _indicatorColor = [UIColor redColor];

    }

    return _indicatorColor;

}

- (CGFloat)indicatorAdditionalWidth {

    if (_indicatorAdditionalWidth <= 0) {

        _indicatorAdditionalWidth = 0;

    }

    return _indicatorAdditionalWidth;

}

- (CGFloat)indicatorAnimationTime {

    if (_indicatorAnimationTime <= 0) {

        _indicatorAnimationTime = 0.1;

    } else if (_indicatorAnimationTime > 0.3) {

        _indicatorAnimationTime = 0.3;

    }

    return _indicatorAnimationTime;

}

- (CGFloat)indicatorCornerRadius {

    if (_indicatorCornerRadius <= 0) {

        _indicatorCornerRadius = 0;

    }

    return _indicatorCornerRadius;

}

- (CGFloat)indicatorBorderWidth {

    if (_indicatorBorderWidth <= 0) {

        _indicatorBorderWidth = 0;

    }

    return _indicatorBorderWidth;

}

- (UIColor *)indicatorBorderColor {

    if (!_indicatorBorderColor) {

        _indicatorBorderColor = [UIColor clearColor];

    }

    return _indicatorBorderColor;

}

@end



SGPagingView.h

#import "SGPageTitleViewConfigure.h"

#import "SGPageTitleView.h"

#import "SGPageContentView.h"

#import "SGPageContentScrollView.h"


yiTableViewCell.h

@interface yiTableViewCell : UITableViewCell

@property(nonatomic,strong)UIButton *btn1;

@property(nonatomic,strong)UIButton *btn2;

@property(nonatomic,strong)UIButton *btn3;

@property(nonatomic,strong)UIButton *btn4;

@property(nonatomic,strong)UILabel *label1;

@property(nonatomic,strong)UILabel *label2;

@property(nonatomic,strong)UILabel *label3;

@property(nonatomic,strong)UILabel *label4;

@end


yiTableViewCell.m

#import "yiTableViewCell.h"

@implementation yiTableViewCell

-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier

{

    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {

        _btn1 = [UIButton buttonWithType:UIButtonTypeCustom];

        _btn1.frame = CGRectMake(50, 20, 40, 40);

        _btn1.backgroundColor = [UIColor blueColor];

        [_btn1 addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];

        _btn1.layer.masksToBounds = YES;

        _btn1.layer.cornerRadius = 20;


        _label1 = [[UILabel alloc]init];

        _label1.frame = CGRectMake(50, 70, 50, 10);

        _label1.font = [UIFont systemFontOfSize:12];

        _label1.text = @"正晚点";


        _btn2 = [UIButton buttonWithType:UIButtonTypeCustom];

        _btn2.frame = CGRectMake(140, 20, 40, 40);

        _btn2.backgroundColor = [UIColor greenColor];

        [_btn2 addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];

        _btn2.layer.masksToBounds = YES;

        _btn2.layer.cornerRadius = 20;


        _label2 = [[UILabel alloc]init];

        _label2.frame = CGRectMake(135, 70, 50, 10);

        _label2.font = [UIFont systemFontOfSize:12];

        _label2.text = @"温馨服务";


        _btn3 = [UIButton buttonWithType:UIButtonTypeCustom];

        _btn3.frame = CGRectMake(230, 20, 40, 40);

        _btn3.backgroundColor = [UIColor orangeColor];

        [_btn3 addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];

        _btn3.layer.masksToBounds = YES;

        _btn3.layer.cornerRadius = 20;


        _label3 = [[UILabel alloc]init];

        _label3.frame = CGRectMake(225, 70, 50, 10);

        _label3.font = [UIFont systemFontOfSize:12];

        _label3.text = @"订餐服务";


        _btn4 = [UIButton buttonWithType:UIButtonTypeCustom];

        _btn4.frame = CGRectMake(320, 20, 40, 40);

        _btn4.backgroundColor = [UIColor redColor];

        [_btn4 addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];

        _btn4.layer.masksToBounds = YES;

        _btn4.layer.cornerRadius = 20;


        _label4 = [[UILabel alloc]init];

        _label4.frame = CGRectMake(325, 70, 50, 10);

        _label4.font = [UIFont systemFontOfSize:12];

        _label4.text = @"约车";


        [self.contentView addSubview:self.btn1];

        [self.contentView addSubview:self.btn2];

        [self.contentView addSubview:self.btn3];

        [self.contentView addSubview:self.btn4];

        [self.contentView addSubview:self.label1];

        [self.contentView addSubview:self.label2];

        [self.contentView addSubview:self.label3];

        [self.contentView addSubview:self.label4];

    }

    return self;

}

-(void)click

{

    NSLog(@"点我");

}

//-(UIButton *)btn1

//{

//    if (_btn1) {

//        _btn1 = [UIButton buttonWithType:UIButtonTypeCustom];

//        _btn1.frame = CGRectMake(20, 20, 40, 40);

//        _btn1.backgroundColor = [UIColor blueColor];

//        _btn1.layer.masksToBounds = YES;

//        _btn1.layer.cornerRadius = 20;

//    }

//    return _btn1;

//}

//-(UILabel *)label1

//{

//    if (_label1) {

//        _label1 = [[UILabel alloc]init];

//        _label1.frame = CGRectMake(20, 65, 40, 10);

//        _label1.text = @"正晚点";

//    }

//    return _label1;

//}

//-(UIButton *)btn2

//{

//    if (_btn2) {

//        _btn2 = [UIButton buttonWithType:UIButtonTypeCustom];

//        _btn2.frame = CGRectMake(80, 20, 40, 40);

//        _btn2.backgroundColor = [UIColor greenColor];

//        _btn2.layer.masksToBounds = YES;

//        _btn2.layer.cornerRadius = 20;

//    }

//    return _btn2;

//}

//-(UILabel *)label2

//{

//    if (_label2) {

//        _label2 = [[UILabel alloc]init];

//        _label2.frame = CGRectMake(80, 65, 40, 10);

//        _label2.text = @"温馨服务";

//    }

//    return _label2;

//}

//-(UIButton *)btn3

//{

//    if (_btn3) {

//        _btn3 = [UIButton buttonWithType:UIButtonTypeCustom];

//        _btn3.frame = CGRectMake(140, 20, 40, 40);

//        _btn3.backgroundColor = [UIColor orangeColor];

//        _btn3.layer.masksToBounds = YES;

//        _btn3.layer.cornerRadius = 20;

//    }

//    return _btn3;

//}

//-(UILabel *)label3

//{

//    if (_label3) {

//        _label3 = [[UILabel alloc]init];

//        _label3.frame = CGRectMake(140, 65, 40, 10);

//        _label3.text = @"订餐服务";

//    }

//    return _label3;

//}

//-(UIButton *)btn4

//{

//    if (_btn4) {

//        _btn4 = [UIButton buttonWithType:UIButtonTypeCustom];

//        _btn4.frame = CGRectMake(200, 20, 40, 40);

//        _btn4.backgroundColor = [UIColor redColor];

//        _btn4.layer.masksToBounds = YES;

//        _btn4.layer.cornerRadius = 20;

//    }

//    return _btn4;

//}

//-(UILabel *)label4

//{

//    if (_label4) {

//        _label4 = [[UILabel alloc]init];

//        _label4.frame = CGRectMake(200, 65, 40, 10);

//        _label4.text = @"约车";

//    }

//    return _label4;

//}

@end


erTableViewCell.h

#import@interface erTableViewCell : UITableViewCell

@property(nonatomic,strong)UILabel *label1;

@property(nonatomic,strong)UILabel *label2;

@property(nonatomic,strong)UIImageView *image1;

@end


erTableViewCell.m

#import "erTableViewCell.h"

@implementation erTableViewCell

-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier

{

    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {


        _label1 = [[UILabel alloc]init];

        _label1.text = @"北京";

        _label1.frame = CGRectMake(70, 20, 60, 50);

        _label1.font = [UIFont systemFontOfSize:25];


        _label2 = [[UILabel alloc]init];

        _label2.text = @"上海";

        _label2.frame = CGRectMake(290, 20, 60, 50);

        _label2.font = [UIFont systemFontOfSize:25];


        _image1 = [[UIImageView alloc]init];

        _image1.frame = CGRectMake(180, 35, 40, 30);

        _image1.image = [UIImage imageNamed:@"切片1副本.png"];


        [self.contentView addSubview:self.label1];

        [self.contentView addSubview:self.label2];

        [self.contentView addSubview:self.image1];

    }

    return self;

}

//-(UILabel *)label1

//{

//    if (!_label1) {

//        _label1 = [[UILabel alloc]init];

//        _label1.text = @"北京";

//        _label1.frame = CGRectMake(50, 20, 50, 30);

//        _label1.font = [UIFont systemFontOfSize:20];

//    }

//    return _label1;

//}

//-(UILabel *)label2

//{

//    if (!_label2) {

//        _label2 = [[UILabel alloc]init];

//        _label2.text = @"上海";

//        _label1.frame = CGRectMake(150, 20, 50, 30);

//        _label2.font = [UIFont systemFontOfSize:20];

//    }

//    return _label2;

//}

@end


sanTableViewCell.h

#import@interface sanTableViewCell : UITableViewCell

@property(nonatomic,strong)UILabel *label1;

@property(nonatomic,strong)UILabel *label2;

@property(nonatomic,strong)UILabel *label3;

@property(nonatomic,strong)UILabel *label4;

@property(nonatomic,strong)UILabel *label5;

@property(nonatomic,strong)UILabel *label6;

@property(nonatomic,strong)UILabel *label7;

@end


sanTableViewCell.m

#import "sanTableViewCell.h"

@implementation sanTableViewCell

-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier

{

    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {


        _label1 = [[UILabel alloc]init];

        _label1.frame = CGRectMake(50, 30, 70, 20);

        _label1.text = @"出发日期";

        _label1.textColor = [UIColor grayColor];


        _label2 = [[UILabel alloc]init];

        _label2.frame = CGRectMake(50, 100, 70, 20);

        _label2.text = @"出发时间";

        _label2.textColor = [UIColor grayColor];


        _label3 = [[UILabel alloc]init];

        _label3.frame = CGRectMake(50, 170, 70, 20);

        _label3.text = @"席      别";

        _label3.textColor = [UIColor grayColor];


        _label4 = [[UILabel alloc]init];

        _label4.frame = CGRectMake(150, 30, 100, 20);

        _label4.text = @"2017-10-17";


        _label5 = [[UILabel alloc]init];

        _label5.frame = CGRectMake(150, 100, 100, 20);

        _label5.text = @"00.00-24.00";


        _label6 = [[UILabel alloc]init];

        _label6.frame = CGRectMake(150, 170, 100, 20);

        _label6.text = @"不限";


        _label7 = [[UILabel alloc]init];

        _label7.frame = CGRectMake(320, 30, 70, 20);

        _label7.text = @"学生";


        [self addSubview:self.label1];

        [self addSubview:self.label2];

        [self addSubview:self.label3];

        [self addSubview:self.label4];

        [self addSubview:self.label5];

        [self addSubview:self.label6];

        [self addSubview:self.label7];

    }

    return self;

}

@end


siTableViewCell.h

#import#import "SGPagingView.h"@interface siTableViewCell : UITableViewCell@property(nonatomic,strong)UIButton *btn1;

@property(nonatomic,strong)UIButton *btn2;

@property(nonatomic,strong)UILabel *label1;

@property(nonatomic,strong)UILabel *label2;

@property(nonatomic,strong)UILabel *label3;

@property (nonatomic, strong) SGPageTitleView *pageTitleView;

@end


siTableViewCell.m

#import "siTableViewCell.h"

@implementation siTableViewCell

-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier

{

    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {


        NSArray *titleArr = [@[@"全部", @"G/D/C", @"Z字头", @"T字头", @"K字头", @"其他"]mutableCopy];

        SGPageTitleViewConfigure *configure = [SGPageTitleViewConfigure pageTitleViewConfigure];

        configure.indicatorAdditionalWidth = 120;

        configure.spacingBetweenButtons = 20;

        configure.titleFont = [UIFont systemFontOfSize:17];

        configure.titleSelectedColor = [UIColor whiteColor];

        configure.indicatorColor = [UIColor colorWithRed:0/250.0 green:137/250.0 blue:211/250.0 alpha:1];

        configure.indicatorScrollStyle = SGIndicatorScrollStyleDefault;

        configure.indicatorStyle = SGIndicatorStyleCover;

        _pageTitleView.isOpenTitleTextZoom = YES;

        self.pageTitleView = [SGPageTitleView pageTitleViewWithFrame:CGRectMake(10, 0, 394, 44) delegate:self titleNames:titleArr configure:configure];

        [self addSubview:_pageTitleView];


        _btn1 = [UIButton buttonWithType:UIButtonTypeCustom];

        _btn1.frame = CGRectMake(20, 50, 35, 40);

        _btn1.tintColor = [UIColor orangeColor];

        [_btn1 setTitle:@"➕" forState:UIControlStateNormal];

        [_btn1 addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];


        _label1 = [[UILabel alloc]init];

        _label1.text = @"乘客";

        _label1.textColor = [UIColor orangeColor];

        _label1.frame = CGRectMake(60, 50, 100, 40);


        _btn2 = [UIButton buttonWithType:UIButtonTypeCustom];

        _btn2.frame = CGRectMake(10, 100, 394, 50);

        _btn2.backgroundColor = [UIColor colorWithRed:0/250.0 green:137/250.0 blue:211/250.0 alpha:1];

        _btn2.layer.cornerRadius = 10;

        [_btn2 setTitle:@"查询" forState:UIControlStateNormal];

//        [_btn2 addTarget:self action:@selector(clicks) forControlEvents:UIControlEventTouchUpInside];


        _label2 = [[UILabel alloc]init];

        _label2.frame = CGRectMake(10, 160, 394, 40);

        _label2.text = @"-----------------                              -----------------";

        _label2.textColor = [UIColor colorWithRed:0/250.0 green:137/250.0 blue:211/250.0 alpha:1];


        _label3 = [[UILabel alloc]init];

        _label3.frame = CGRectMake(155, 160, 130, 40);

        _label3.text = @"最近常用路线";

        _label3.textColor = [UIColor grayColor];


        [self addSubview:self.btn1];

        [self addSubview:self.btn2];

        [self addSubview:self.label1];

        [self addSubview:self.label2];

        [self addSubview:self.label3];

    }

    return self;

}

-(void)click

{

    NSLog(@"乘客");

}

@end


wuTableViewCell.h

#import@interface wuTableViewCell : UITableViewCell

@property(nonatomic,strong)UILabel * label1;

@property(nonatomic,strong)UILabel * label2;

@property(nonatomic,strong)UILabel * label3;

@end


wuTableViewCell.m

#import "wuTableViewCell.h"

@implementation wuTableViewCell

-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier

{

    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {


        _label1 = [[UILabel alloc]init];

        _label1.frame = CGRectMake(0, 0, 100, 50);

        _label1.text = @"      前一天";

        _label1.textColor = [UIColor whiteColor];

        _label1.backgroundColor = [UIColor colorWithRed:90/255.0 green:175/255.0 blue:225/255.0 alpha:1];


        _label2 = [[UILabel alloc]init];

        _label2.frame = CGRectMake(100, 0, 214, 50);

        _label2.text = @"            2017-10-17";

        _label2.font = [UIFont systemFontOfSize:18];

        _label2.textColor = [UIColor whiteColor];

        _label2.backgroundColor = [UIColor colorWithRed:55/255.0 green:145/255.0 blue:205/255.0 alpha:1];


        _label3 = [[UILabel alloc]init];

        _label3.frame = CGRectMake(314, 0, 100, 50);

        _label3.text = @"      后一天";

        _label3.textColor = [UIColor whiteColor];

        _label3.backgroundColor = [UIColor colorWithRed:90/255.0 green:175/255.0 blue:225/255.0 alpha:1];


        [self addSubview:self.label1];

        [self addSubview:self.label2];

        [self addSubview:self.label3];

    }

    return self;

}

//-(UILabel *)label1

//{

//    if (!_label1) {

//

//    }

//    return _label1;

//}

@end


cheViewController.m

#import "cheViewController.h"#import "yiTableViewCell.h"#import "erTableViewCell.h"#import "sanTableViewCell.h"#import "siTableViewCell.h"#import "chaxunViewController.h"static NSString *celli = @"yide";static NSString *cellID = @"adad";static NSString *cellIDs = @"adads";static NSString *cellIDse = @"adadse";@interface cheViewController (){

    UITableView *table;

}

@end

@implementation cheViewController

- (void)viewDidLoad {

    [super viewDidLoad];


    self.navigationController.navigationBar.barTintColor = [UIColor colorWithRed:0/250.0 green:137/250.0 blue:211/250.0 alpha:1];

    [self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor whiteColor]}];


    table = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height) style:UITableViewStylePlain];

    table.delegate = self;

    table.dataSource = self;


    [table registerClass:[yiTableViewCell class] forCellReuseIdentifier:celli];

    [table registerClass:[erTableViewCell class] forCellReuseIdentifier:cellID];

    [table registerClass:[sanTableViewCell class] forCellReuseIdentifier:cellIDs];

    [table registerClass:[siTableViewCell class] forCellReuseIdentifier:cellIDse];

    [self.view addSubview:table];




}

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

    return 6;

}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    if (section == 5) {

        return 5;

    }

    return 1;

}

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{

    if (indexPath.section == 0) {

        return 100;

    }else if (indexPath.section == 2) {

        return 230;

    }else if (indexPath.section == 3) {

        return 220;

    }

    return 100;

}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    UITableViewCell *cell;


    switch (indexPath.section) {

        case 0:

            {

                yiTableViewCell *cells = [tableView dequeueReusableCellWithIdentifier:celli];

                if (!cells) {

                    cells = [[yiTableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:celli];

                }


                return cells;

            }

            break;


        case 1:

        {

            erTableViewCell *cellse = [tableView dequeueReusableCellWithIdentifier:cellID];

            if (!cellse) {

                cellse = [[erTableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellID];

            }

            return cellse;

        }

            break;


        case 2:

        {

            sanTableViewCell *cellses = [tableView dequeueReusableCellWithIdentifier:cellIDs];

            if (!cellses) {

                cellses = [[sanTableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIDs];

            }


            return cellses;

        }

            break;


        case 3:

        {

            siTableViewCell *cellsesa = [tableView dequeueReusableCellWithIdentifier:cellIDse];

            if (!cellsesa) {

                cellsesa = [[siTableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIDse];

            }


            [cellsesa.btn2 addTarget:self action:@selector(clicks) forControlEvents:UIControlEventTouchUpInside];


            return cellsesa;


        }

            break;


        default:


            cell = [tableView dequeueReusableCellWithIdentifier:@""];

            if (!cell) {

                cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@""];

            }



            break;

    }

    return cell;

}

-(void)clicks

{

    NSLog(@"查询");

    chaxunViewController *chaxun = [[chaxunViewController alloc]init];

    chaxun.navigationItem.hidesBackButton = YES;

    [self.navigationController pushViewController:chaxun animated:YES];

}

@end



chaxunViewController.m

#import "chaxunViewController.h"#define Screenwidth [UIScreen mainScreen].bounds.size.width#define ScreennHeight [UIScreen mainScreen].bounds.size.height@interface chaxunViewController (){

    BOOL close[30];

}

@property (nonatomic,strong)UILabel *checiLab;

@property (nonatomic,strong)UILabel *kaishiLab;

@property (nonatomic,strong)UILabel *kaishitimeLab;

@property (nonatomic,strong)UILabel *photoLab;

@property (nonatomic,strong)UILabel *jiantouLab;

@property (nonatomic,strong)UILabel *sumtimeLab;

@property (nonatomic,strong)UILabel *jieshuLab;

@property (nonatomic,strong)UILabel *jieshutimeLab;

@property (nonatomic,strong)UILabel *shangwuLab;

@property (nonatomic,strong)UILabel *OneLab;

@property (nonatomic,strong)UILabel *TwoLab;

@property (nonatomic,strong)UIButton *bottomBtn;

@property (nonatomic,strong) UITableView *WBTableView;

@property (nonatomic,strong) NSArray *Close;

@property(nonatomic,strong)UILabel * label1;

@property(nonatomic,strong)UILabel * label2;

@property(nonatomic,strong)UILabel * label3;

@end

@implementation chaxunViewController

- (void)viewDidLoad {

    [super viewDidLoad];


    self.title = @"北京<>上海";

    self.navigationController.navigationBar.barTintColor = [UIColor colorWithRed:0/250.0 green:137/250.0 blue:211/250.0 alpha:1];

    [self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor whiteColor]}];


    UIButton *leftbtn = [UIButton buttonWithType:UIButtonTypeCustom];

    [leftbtn setTitle:@"<" forState:UIControlStateNormal];

    leftbtn.tintColor = [UIColor whiteColor];

    [leftbtn addTarget:self action:@selector(clickleft) forControlEvents:UIControlEventTouchUpInside];

    UIBarButtonItem *leftbtnitem = [[UIBarButtonItem alloc]initWithCustomView:leftbtn];

    self.navigationItem.leftBarButtonItem = leftbtnitem;



    UIButton *rightbtn = [UIButton buttonWithType:UIButtonTypeCustom];

    [rightbtn setTitle:@"匚" forState:UIControlStateNormal];

    rightbtn.tintColor = [UIColor whiteColor];

    [rightbtn addTarget:self action:@selector(clickright) forControlEvents:UIControlEventTouchUpInside];

    UIBarButtonItem *rightbtnitem = [[UIBarButtonItem alloc]initWithCustomView:rightbtn];

    self.navigationItem.rightBarButtonItem = rightbtnitem;



    UIView *view = [[UIView alloc]init];

    view.frame = CGRectMake(0, 64, self.view.frame.size.width, 50);

    view.backgroundColor = [UIColor whiteColor];

    [self.view addSubview:view];


    _label1 = [[UILabel alloc]init];

    _label1.frame = CGRectMake(0, 0, 100, 50);

    _label1.text = @"      前一天";

    _label1.textColor = [UIColor whiteColor];

    _label1.backgroundColor = [UIColor colorWithRed:90/255.0 green:175/255.0 blue:225/255.0 alpha:1];

    [view addSubview:_label1];


    _label2 = [[UILabel alloc]init];

    _label2.frame = CGRectMake(100, 0, 214, 50);

    _label2.text = @"            2017-10-17";

    _label2.font = [UIFont systemFontOfSize:18];

    _label2.textColor = [UIColor whiteColor];

    _label2.backgroundColor = [UIColor colorWithRed:55/255.0 green:145/255.0 blue:205/255.0 alpha:1];

    [view addSubview:_label2];


    _label3 = [[UILabel alloc]init];

    _label3.frame = CGRectMake(314, 0, 100, 50);

    _label3.text = @"      后一天";

    _label3.textColor = [UIColor whiteColor];

    _label3.backgroundColor = [UIColor colorWithRed:90/255.0 green:175/255.0 blue:225/255.0 alpha:1];

    [view addSubview:_label3];


    //这个的目的是为了使得启动app时,单元格是收缩的

    for (int i=0; i<30; i++) {

        close[i] = YES;

    }

    //创建

    _WBTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 114, Screenwidth, ScreennHeight) style:UITableViewStylePlain];

    _WBTableView.dataSource = self;

    _WBTableView.delegate = self;


    [self.view addSubview:self.WBTableView];


}

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

    return 5;

}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    if (close[section]) {

        return 0;

    }

    return 5;


}

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{

    return 50;

}

-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section

{

    return 85;

}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];

    if (cell == nil) {

        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"cell"];

    }

    cell.textLabel.text = [NSString stringWithFormat:@"第%ld组 第%ld行",indexPath.section,indexPath.row];

    return cell;

}

//创建组头视图

-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{


    UIControl *view = [[UIControl alloc] initWithFrame:CGRectMake(0, 0, Screenwidth, 85)];

    view.tag = 1000 + section;

    [view addTarget:self action:@selector(sectionClick:) forControlEvents:UIControlEventTouchUpInside];


    _checiLab = [[UILabel alloc]initWithFrame:CGRectMake(8, 8, 50, 30)];

    _checiLab.font = [UIFont systemFontOfSize:21];

    _checiLab.textColor = [UIColor blackColor];

    _kaishiLab = [[UILabel alloc]initWithFrame:CGRectMake(65, 8, 70, 25)];

    _kaishiLab.font = [UIFont systemFontOfSize:13];

    _kaishiLab.textColor = [UIColor blackColor];

    _kaishitimeLab = [[UILabel alloc]initWithFrame:CGRectMake(65, 30, 50, 20)];

    _kaishitimeLab.font = [UIFont systemFontOfSize:11];

    _kaishitimeLab.textColor = [UIColor grayColor];

    _photoLab = [[UILabel alloc]initWithFrame:CGRectMake(210, 5, 50, 25)];

    _photoLab.text = @"🇨🇳";

    _jiantouLab = [[UILabel alloc]initWithFrame:CGRectMake(195, 20, 100, 10)];

    _jiantouLab.text = @"------->";

    _sumtimeLab = [[UILabel alloc]initWithFrame:CGRectMake(195, 29, 70, 15)];

    _sumtimeLab.font = [UIFont systemFontOfSize:10];

    _sumtimeLab.textColor = [UIColor grayColor];

    _jieshuLab = [[UILabel alloc]initWithFrame:CGRectMake(280, 8, 100, 25)];

    _jieshuLab.font = [UIFont systemFontOfSize:13];

    _jieshuLab.textColor = [UIColor blackColor];

    _jieshutimeLab = [[UILabel alloc]initWithFrame:CGRectMake(280, 30, 50, 20)];

    _jieshutimeLab.font = [UIFont systemFontOfSize:11];

    _jieshutimeLab.textColor = [UIColor grayColor];

    _shangwuLab = [[UILabel alloc]initWithFrame:CGRectMake(8, 55, 60, 20)];

    _shangwuLab.font = [UIFont systemFontOfSize:11];

    _shangwuLab.textColor = [UIColor blackColor];

    _OneLab = [[UILabel alloc]initWithFrame:CGRectMake(108, 55, 60, 20)];

    _OneLab.font = [UIFont systemFontOfSize:11];

    _OneLab.textColor = [UIColor blackColor];

    _TwoLab = [[UILabel alloc]initWithFrame:CGRectMake(208, 55, 60, 20)];

    _TwoLab.font = [UIFont systemFontOfSize:11];

    _TwoLab.textColor = [UIColor blackColor];

    _bottomBtn = [[UIButton alloc]initWithFrame:CGRectMake(364, 11, 50, 50)];

    [_bottomBtn setImage:[UIImage imageNamed:@"xiangxiajiantou_down_9x9_"] forState:UIControlStateNormal];


    _checiLab.text = @"G101";

    _kaishiLab.text = @"🚋北京南";

    _kaishitimeLab.text = @"06:43";

    _sumtimeLab.text = @"05小时56分";

    _jieshuLab.text = @"🏁上海虹桥";

    _jieshutimeLab.text = @"12:39";

    _shangwuLab.text = @"商务: 4张";

    _OneLab.text = @"一等: 有";

    _TwoLab.text = @"二等: 有";


    [view addSubview:self.checiLab];

    [view addSubview:self.kaishiLab];

    [view addSubview:self.kaishitimeLab];

    [view addSubview:self.photoLab];

    [view addSubview:self.jiantouLab];

    [view addSubview:self.sumtimeLab];

    [view addSubview:self.jieshuLab];

    [view addSubview:self.jieshutimeLab];

    [view addSubview:self.shangwuLab];

    [view addSubview:self.OneLab];

    [view addSubview:self.TwoLab];

    [view addSubview:self.bottomBtn];


    UIView *vv = [[UIView alloc]initWithFrame:CGRectMake(0, 85, Screenwidth, 1)];

    vv.backgroundColor = [UIColor lightGrayColor];

    [view addSubview:vv];






    return view;


}

/**

*  cell收缩/展开 刷新

*

*  @param view <#view description#>

*/

-(void)sectionClick:(UIControl *)view{


    //获取点击的组

    NSInteger i = view.tag - 1000;

    //取反

    close[i] = !close[i];

    //刷新列表

    NSIndexSet * index = [NSIndexSet indexSetWithIndex:i];

    [_WBTableView reloadSections:index withRowAnimation:UITableViewRowAnimationAutomatic];

}

-(void)clickleft

{

    [self.navigationController popViewControllerAnimated:YES];

}

-(void)clickright

{

    NSLog(@"啥");

}

@end


shangViewController.m

#import "shangViewController.h"

@interface shangViewController ()

@end

@implementation shangViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.navigationController.navigationBar.barTintColor = [UIColor colorWithRed:0/250.0 green:137/250.0 blue:211/250.0 alpha:1];

    [self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor whiteColor]}];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

/*

#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

    // Get the new view controller using [segue destinationViewController].

    // Pass the selected object to the new view controller.

}

*/

@end


dingViewController.m

#import "dingViewController.h"

@interface dingViewController ()

@end

@implementation dingViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.navigationController.navigationBar.barTintColor = [UIColor colorWithRed:0/250.0 green:137/250.0 blue:211/250.0 alpha:1];

    [self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor whiteColor]}];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

/*

#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

    // Get the new view controller using [segue destinationViewController].

    // Pass the selected object to the new view controller.

}

*/

@end


woViewController.m

#import "woViewController.h"

@interface woViewController ()

@end

@implementation woViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.navigationController.navigationBar.barTintColor = [UIColor colorWithRed:0/250.0 green:137/250.0 blue:211/250.0 alpha:1];

    [self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor whiteColor]}];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

/*

#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

    // Get the new view controller using [segue destinationViewController].

    // Pass the selected object to the new view controller.

}

*/

@end


ViewController.h

#import@interface ViewController : UITabBarController

@end


ViewController.m

#import "ViewController.h"

#import "cheViewController.h"

#import "shangViewController.h"

#import "dingViewController.h"

#import "woViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];


    cheViewController *che = [[cheViewController alloc]init];

    che.title = @"车票预订";

    UINavigationController *nav1 = [[UINavigationController alloc]initWithRootViewController:che];

    nav1.tabBarItem.title = @"车票预订";

    [[UITabBarItem appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor whiteColor], NSForegroundColorAttributeName, [UIFont fontWithName:@"Helvetica" size:12.0f],NSFontAttributeName,nil] forState:UIControlStateSelected];

    [[UITabBar appearance] setBarTintColor:[UIColor blackColor]];


    shangViewController *shang = [[shangViewController alloc]init];

    shang.title = @"商旅查询";

    UINavigationController *nav2 = [[UINavigationController alloc]initWithRootViewController:shang];

    nav2.tabBarItem.title = @"商旅服务";


    dingViewController *ding = [[dingViewController alloc]init];

    ding.title = @"订单查询";

    UINavigationController *nav3 = [[UINavigationController alloc]initWithRootViewController:ding];

    nav3.tabBarItem.title = @"订单查询";


    woViewController *wo = [[woViewController alloc]init];

    wo.title = @"我的12306";

    UINavigationController *nav4 = [[UINavigationController alloc]initWithRootViewController:wo];

    nav4.tabBarItem.title = @"我的12306";


    self.viewControllers = @[nav1,nav2,nav3,nav4];


}

@end


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