//DataModel.h
//二级列表
#import
@interfaceDataModel :NSObject
//联系数据
@property(strong,nonatomic)NSMutableArray* names;
//是否折叠
@property(assign,nonatomic,getter=isFolder)BOOLfolded;
//每组有多少分页
@property(assign,nonatomic)NSIntegersize;
//初始化联系人方法
- (instancetype)initWithNames:(NSMutableArray*)names;
@end
//DataModel.m
//二级列表
#import"DataModel.h"
@implementationDataModel
//初始化联系人方法
- (instancetype)initWithNames:(NSMutableArray*)names{
if(self= [superinit]) {
self.folded=YES;
_names= names;
}
returnself;
}
//每个组内有多少联系人
-(NSInteger)size{
return_names.count;
}
//ViewController.m
//二级列表
//
#import"ViewController.h"
#import"DataModel.h"
staticNSString* cellID =@"CELL_ID";
@interfaceViewController()
@property(strong,nonatomic)NSMutableArray* arrayList;
@property(strong,nonatomic)UITableView*myTabview;
@end
@implementationViewController
- (void)viewDidLoad {
[superviewDidLoad];
[selfloadData];
[selfsetupUI];
}
- (void)setupUI{
//创建tabView
_myTabview= [[UITableViewalloc]initWithFrame:CGRectMake(0,0,self.view.bounds.size.width,self.view.bounds.size.height)style:UITableViewStylePlain];
//遵守协议和数据源
_myTabview.delegate=self;
_myTabview.dataSource=self;
[_myTabviewregisterClass:[UITableViewCellclass]forCellReuseIdentifier:cellID];
//添加
[self.viewaddSubview:_myTabview];
}
//实现数据源方法
-(NSInteger)numberOfSectionsInTableView:(UITableView*)tableView{
return_arrayList.count;
}
-(NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section{
DataModel* model =_arrayList[section];
returnmodel.folded?0:model.size;
//return 3;
}
- (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath{
UITableViewCell* cell = [tableViewdequeueReusableCellWithIdentifier:cellIDforIndexPath:indexPath];
//将模型数据赋值给cell
DataModel* model =_arrayList[indexPath.section];
NSArray* array = model.names;
cell.textLabel.text= array[indexPath.row];
cell.accessoryType=UITableViewCellAccessoryDisclosureIndicator;
returncell;
}
#warning显示组头视图必须设置组头视图的高
-(CGFloat)tableView:(UITableView*)tableView heightForHeaderInSection:(NSInteger)section{
return40;
}
//设置组头View
- (UIView*)tableView:(UITableView*)tableView viewForHeaderInSection:(NSInteger)section{
//首先创建一个大的View
UIView* topView = [[UIViewalloc]init];
//设置边
topView.layer.borderWidth=0.2;
topView.layer.borderColor= [UIColorgrayColor].CGColor;
topView.backgroundColor= [UIColoryellowColor];
UILabel* label = [[UILabelalloc]initWithFrame:CGRectMake(40,0,self.view.bounds.size.width,40)];
NSArray* nameArray =@[@"朋友",@"家人",@"陌生人"];
label.text= nameArray[section];
[topViewaddSubview:label];
////创建Button按钮
UIButton* btn = [[UIButtonalloc]initWithFrame:CGRectMake(0,0,self.view.bounds.size.width,40)];
btn.tag=200+ section;
[btnaddTarget:selfaction:@selector(btnClick:)forControlEvents:UIControlEventTouchUpInside];
[topViewaddSubview:btn];
returntopView;
}
//请求数据
- (void)loadData{
//假设从后台请求下来的数据
NSArray* arrayData =@[@[@"大桥",@"小乔",@"周瑜"],@[@"刘备",@"关羽",@"张飞"],@[@"曹操",@"夏侯惇",@"许褚"]];
if(!_arrayList) {
_arrayList= [NSMutableArrayarray];
}
//数组转模型
for(NSMutableArray*arryMinarrayData) {
DataModel* model = [[DataModelalloc]initWithNames:arryM];
[_arrayListaddObject:model];
}
}
//折叠按钮响应方法
- (void)btnClick:(UIButton*)sender{
DataModel* groupModel =_arrayList[sender.tag-200];
groupModel.folded= !groupModel.isFolder;
[_myTabviewreloadData];
}
@end
留给自己 方便下次使用 不喜勿喷 谢谢
