AppDelegate.m
#import "AppDelegate.h"
#import "ProvinceViewController.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
self.window.backgroundColor = [UIColor whiteColor];
[self.window makeKeyAndVisible];
ProvinceViewController *rootViewController = [[ProvinceViewController alloc] init];
UINavigationController *rootNavigationController = [[UINavigationController alloc] initWithRootViewController:rootViewController];
self.window.rootViewController = rootNavigationController;
return YES;
}
ProvinceViewController.m
#import "ProvinceViewController.h"
#import "CityViewController.h"
@interface ProvinceViewController ()
<
UITableViewDelegate,
UITableViewDataSource
>
@property(nonatomic,retain)NSMutableArray *provinceArray;
@end
@implementation ProvinceViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.navigationController.navigationBarHidden = YES;
//创建省份数组
self.provinceArray = [NSMutableArray array];
//加载文件得到字符串,参数1:文件路径 参数2:编码格式 参数3:错误信息
//调试
// NSError *error = nil;
NSString *str = [NSString stringWithContentsOfFile:@"/Users/lanou3g/Desktop/oc/UI06-TableView/UI06-TableView/area.txt" encoding:NSUTF8StringEncoding error:nil];
//以换行符分割
NSArray *lineArray = [str componentsSeparatedByString:@"\n"];
for (NSString *lineString in lineArray) {
if (![lineString hasPrefix:@" "]) {
//前缀不是空格
//创建一个省份字典
NSMutableDictionary *provinceDic = [NSMutableDictionary dictionary];
//省份字典添加键值对(provinceName:省份名)
[provinceDic setObject:lineString forKey: @"provinceName"];
//创建空城市数组(ps:用于后面存储城市字典)
NSMutableArray *cityArray = [NSMutableArray array];
//添加键值对(cityArray:城市数组)
[provinceDic setObject:cityArray forKey: @"cityArray"];
//将省字典添加到省数组中
[self.provinceArray addObject:provinceDic];
}else if(![lineString hasPrefix:@" "]){
//前缀有空格且不是4个空格的话为城市名
//取到城市名的时候需要找到该城市所属的省份(当前省份数组最后一个元素就是当前城市所属省份)
NSMutableDictionary *provinceDic = [self.provinceArray lastObject];
NSMutableArray *cityArray = [provinceDic objectForKey:@"cityArray"];
//添加键值对(cityName:城市名)
NSMutableDictionary *cityDic = [NSMutableDictionary dictionary];
[cityDic setObject:lineString forKey:@"cityName"];
//创建地区数组
NSMutableArray *areaArray = [NSMutableArray array];
//添加键值对(areaArray:地区数组)
[cityDic setObject:areaArray forKey:@"areaArray"];
//将城市字典存入到对应的城市数组中
[cityArray addObject:cityDic];
}else{
//前缀有空格且是4个空格的话为区名
NSMutableDictionary *provinceDic = [self.provinceArray lastObject];
NSMutableArray *cityArray = [provinceDic objectForKey:@"cityArray"];
NSMutableDictionary *cityDic = [cityArray lastObject];
NSMutableArray *areaArray = [cityDic objectForKey:@"areaArray"];
[areaArray addObject:lineString];
}
}
UITableView *tableView = [[UITableView alloc] initWithFrame:self.view.bounds style: UITableViewStylePlain];
tableView.backgroundColor = [UIColor grayColor];
//设置行高
tableView.rowHeight = 100.f;
tableView.separatorColor = [UIColor greenColor];
//
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 100)];
view.backgroundColor = [UIColor greenColor];
tableView.tableHeaderView = view;
tableView.delegate = self;
tableView.dataSource = self;
[self.view addSubview:tableView];
}
//设置某一个section中的行数;
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.provinceArray.count;
}
//设置某一位置的cell
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
NSDictionary *province = self.provinceArray[indexPath.row];
NSString *name = [province objectForKey:@"provinceName"];
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];
//创建新
if (nil == cell) {
cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: @"cell"];
}
cell.textLabel.text = name;
return cell;
}
//当我点击某一个cell的时候会触发该方法
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
NSDictionary *province = self.provinceArray[indexPath.row];
CityViewController *cityController = [[CityViewController alloc]init];
cityController.cityArray = [province objectForKey:@"cityArray"];
[self.navigationController pushViewController:cityController animated:YES];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end
CityViewController.h
@property(nonatomic,retain)NSMutableArray *cityArray;
CityViewController.m
#import "CityViewController.h"
#import "AreaViewController.h"
@interface CityViewController ()
<
UITableViewDelegate,
UITableViewDataSource
>
@end
@implementation CityViewController
- (void)viewDidLoad {
[super viewDidLoad];
UITableView *tableView = [[UITableView alloc] initWithFrame:self.view.bounds style: UITableViewStylePlain];
tableView.backgroundColor = [UIColor grayColor];
//设置行高
tableView.rowHeight = 100.f;
tableView.separatorColor = [UIColor redColor];
//
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 100)];
view.backgroundColor = [UIColor greenColor];
tableView.tableHeaderView = view;
tableView.delegate = self;
tableView.dataSource = self;
[self.view addSubview:tableView];
}
//设置某一个section中的行数;
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.cityArray.count;
}
//设置某一位置的cell
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
NSDictionary *province = self.cityArray[indexPath.row];
NSString *name = [province objectForKey:@"cityName"];
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];
//创建新
if (nil == cell) {
cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: @"cell"];
}
cell.textLabel.text = name;
return cell;
}
//当我点击某一个cell的时候会触发该方法
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
NSDictionary *province = self.cityArray[indexPath.row];
AreaViewController *areaController = [[AreaViewController alloc]init];
areaController.areaArray = [province objectForKey:@"areaArray"];
[self.navigationController pushViewController:areaController animated:YES];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end
AreaViewController.h
@property(nonatomic,retain)NSMutableArray *areaArray;
AreaViewController.m
#import "AreaViewController.h"
@interface AreaViewController ()
<
UITableViewDelegate,
UITableViewDataSource
>
@end
@implementation AreaViewController
- (void)viewDidLoad {
[super viewDidLoad];
UITableView *tableView = [[UITableView alloc] initWithFrame:self.view.bounds style: UITableViewStylePlain];
tableView.backgroundColor = [UIColor grayColor];
//设置行高
tableView.rowHeight = 100.f;
tableView.separatorColor = [UIColor redColor];
//
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 100)];
view.backgroundColor = [UIColor greenColor];
tableView.tableHeaderView = view;
tableView.delegate = self;
tableView.dataSource = self;
[self.view addSubview:tableView];
}
//设置某一个section中的行数;
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.areaArray.count;
}
//设置某一位置的cell
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
NSString *name = self.areaArray[indexPath.row];
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];
//创建新
if (nil == cell) {
cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: @"cell"];
}
cell.textLabel.text = name;
return cell;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end