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;
//創(chuàng)建省份數(shù)組
self.provinceArray = [NSMutableArray array];
//加載文件得到字符串,參數(shù)1:文件路徑 參數(shù)2:編碼格式 參數(shù)3:錯誤信息
//調(diào)試
// NSError *error = nil;
NSString *str = [NSString stringWithContentsOfFile:@"/Users/lanou3g/Desktop/oc/UI06-TableView/UI06-TableView/area.txt" encoding:NSUTF8StringEncoding error:nil];
//以換行符分割
NSArray *lineArray = [str componentsSeparatedByString:@"\n"];
for (NSString *lineString in lineArray) {
if (![lineString hasPrefix:@" "]) {
//前綴不是空格
//創(chuàng)建一個省份字典
NSMutableDictionary *provinceDic = [NSMutableDictionary dictionary];
//省份字典添加鍵值對(provinceName:省份名)
[provinceDic setObject:lineString forKey: @"provinceName"];
//創(chuàng)建空城市數(shù)組(ps:用于后面存儲城市字典)
NSMutableArray *cityArray = [NSMutableArray array];
//添加鍵值對(cityArray:城市數(shù)組)
[provinceDic setObject:cityArray forKey: @"cityArray"];
//將省字典添加到省數(shù)組中
[self.provinceArray addObject:provinceDic];
}else if(![lineString hasPrefix:@" "]){
//前綴有空格且不是4個空格的話為城市名
//取到城市名的時候需要找到該城市所屬的省份(當前省份數(shù)組最后一個元素就是當前城市所屬省份)
NSMutableDictionary *provinceDic = [self.provinceArray lastObject];
NSMutableArray *cityArray = [provinceDic objectForKey:@"cityArray"];
//添加鍵值對(cityName:城市名)
NSMutableDictionary *cityDic = [NSMutableDictionary dictionary];
[cityDic setObject:lineString forKey:@"cityName"];
//創(chuàng)建地區(qū)數(shù)組
NSMutableArray *areaArray = [NSMutableArray array];
//添加鍵值對(areaArray:地區(qū)數(shù)組)
[cityDic setObject:areaArray forKey:@"areaArray"];
//將城市字典存入到對應(yīng)的城市數(shù)組中
[cityArray addObject:cityDic];
}else{
//前綴有空格且是4個空格的話為區(qū)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];
//設(shè)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];
}
//設(shè)置某一個section中的行數(shù);
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.provinceArray.count;
}
//設(shè)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"];
//創(chuàng)建新
if (nil == cell) {
cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: @"cell"];
}
cell.textLabel.text = name;
return cell;
}
//當我點擊某一個cell的時候會觸發(fā)該方法
-(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];
//設(shè)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];
}
//設(shè)置某一個section中的行數(shù);
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.cityArray.count;
}
//設(shè)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"];
//創(chuàng)建新
if (nil == cell) {
cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: @"cell"];
}
cell.textLabel.text = name;
return cell;
}
//當我點擊某一個cell的時候會觸發(fā)該方法
-(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];
//設(shè)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];
}
//設(shè)置某一個section中的行數(shù);
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.areaArray.count;
}
//設(shè)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"];
//創(chuàng)建新
if (nil == cell) {
cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: @"cell"];
}
cell.textLabel.text = name;
return cell;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end