多個TableView的練習

效果圖:

左邊圖片的代碼:

//
//  SecViewController.m
//  UI__多個TableView練習
//
//  Created by dllo on 16/3/17.
//  Copyright © 2016年 dllo. All rights reserved.
//

#import "SecViewController.h"

@interface SecViewController ()
<
    UITableViewDataSource,
    UITableViewDelegate
>
@property (nonatomic, retain) UITableView *tableView;
@property (nonatomic, retain) NSMutableArray *proArr;
@property (nonatomic, retain) NSMutableArray *cityArr;
@end

@implementation SecViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    [self createData];
    [self createView];
    
    
}
// 加載界面函數
- (void)createView {
    
    self.tableView = [[UITableView alloc] initWithFrame:self.view.frame style:UITableViewStylePlain];
    [self.view addSubview:self.tableView];
    [_tableView release];
    self.tableView.delegate = self;
    self.tableView.dataSource = self;
    [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:NSStringFromClass([UITableViewCell class])];
    
}
// 返回區(省)的個數
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    
    return self.proArr.count;
}
//  返回各個section的省名
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
    return self.proArr[section][@"proName"];
}
// 返回每一個section的row的數量
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    NSDictionary *proDic = self.proArr[section];
    NSArray *cityArr = proDic[@"cityArr"];
    return  cityArr.count;
}
// 將市名顯示在row當中
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass([UITableViewCell class]) forIndexPath:indexPath];
    NSDictionary *proDic = self.proArr[indexPath.section];//indepath.section返回indexpath的section
    NSArray *cityArr = proDic[@"cityArr"];
    cell.textLabel.text = cityArr[indexPath.row][@"cityName"];
    return cell;
}
// 一個返回UIView的對section條進行增長控件的方法
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
    UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 40)];
    view.backgroundColor = [UIColor cyanColor];
    //寫"更多"的按鈕
    UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(360, 0, 40, 40)];
    //寫有省名的標籤
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 150, 40)];
    [label setText:self.proArr[section][@"proName"]];
   // label.backgroundColor = [UIColor whiteColor];
    [view addSubview:label];
    [label release];
    //button.backgroundColor = [UIColor whiteColor];
    [view addSubview:button];
    [button setTitle:@"更多" forState:0];
    [button release];
    return view;
}// 加載數據
- (void)createData {
    //
    NSString *path = [[NSBundle mainBundle] pathForResource:@"area副" ofType:@"txt"];
    // 根據路徑產生相應的字符串
    NSString *str = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
    // 對字符串逐行進行切割
    NSArray *strArr = [str componentsSeparatedByString:@"\n"];
    self.proArr = [NSMutableArray array];
    // 將數據解析成JSON數據
    for (NSString *temp in strArr) {
        if (![temp hasPrefix:@" "]) {
            NSMutableDictionary *proDic = [NSMutableDictionary dictionary];
            NSMutableArray *cityArr = [NSMutableArray array];
            [proDic setObject:temp forKey:@"proName"];
            [proDic setObject:cityArr forKey:@"cityArr"];
            [self.proArr addObject:proDic];
        }else if ([temp hasPrefix:@"  "] && ![temp hasPrefix:@"    "]){
            NSMutableDictionary *cityDic = [NSMutableDictionary dictionary];
            [cityDic setObject:temp forKey:@"cityName"];
            NSMutableArray *zoneArr = [NSMutableArray array];
            [cityDic setObject:zoneArr forKey:@"zoneArr"];
            NSMutableDictionary *proDic = [self.proArr lastObject];
            NSMutableArray *cityArr = proDic[@"cityArr"];
            [cityArr addObject:cityDic];
        }else{
            NSMutableDictionary *proDic = [self.proArr lastObject];
            NSMutableArray *cityArr = proDic[@"cityArr"];
            NSMutableDictionary *cityDic = [cityArr lastObject];
            NSMutableArray *zoneArr = cityDic[@"zoneArr"];
            [zoneArr addObject:temp];
        }
    }
    NSLog(@"%@", self.proArr);

    
    
}
// 顯示側邊省名第一個漢字的方法(索引)
- (NSArray<NSString *> *)sectionIndexTitlesForTableView:(UITableView *)tableView {
    NSMutableArray *array = [NSMutableArray array];
    //將字符串進行截取放到數組中
    for (int i  = 0; i < 31; i++) {
    NSString *string = self.proArr[i][@"proName"];
    [array addObject:[string substringToIndex:1]];
    }
    //第二種方法 : 對數組進行遍歷而後放到數組中
//    for (NSDictionary *dict in self.proArr) {
//       [array addObject:[dict[@"proName"] substringToIndex:1]];
//    }
     return array;
}
- (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

 

右邊圖片的代碼:

//
//  RootViewController.m
//  UI__多個TableView練習
//
//  Created by dllo on 16/3/17.
//  Copyright © 2016年 dllo. All rights reserved.
//

#import "RootViewController.h"
#define WIDTH self.view.frame.size.width
#define HEIGHT self.view.frame.size.height
@interface RootViewController ()
<
    UITableViewDataSource,
    UITableViewDelegate
>
@property (nonatomic, retain) UITableView *proTableView;
@property (nonatomic, retain) UITableView *cityTableView;
@property (nonatomic, retain) UITableView *zoneTableView;
@property (nonatomic, retain) NSMutableArray *proArr;
@property (nonatomic, retain) NSMutableArray *zoneArr;
@property (nonatomic, retain) NSMutableArray *cityArr;
@end

@implementation RootViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    //下面是三個tableView的初始化和代理設置
    self.proTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, WIDTH / 3, HEIGHT)];
    self.proTableView.backgroundColor = [UIColor blueColor];
    [self.view addSubview:self.proTableView];
    [_proTableView release];
    
    self.cityTableView = [[UITableView alloc] initWithFrame:CGRectMake(WIDTH / 3, 64, WIDTH / 3, HEIGHT - 64)];
    self.cityTableView.backgroundColor = [UIColor cyanColor];
    [self.view addSubview:self.cityTableView ];
    [_cityTableView release];
    
    self.zoneTableView = [[UITableView alloc] initWithFrame:CGRectMake(WIDTH / 3 * 2, 64, WIDTH / 3, HEIGHT - 64)];
    self.zoneTableView.backgroundColor = [UIColor redColor];
    [self.view addSubview:self.zoneTableView];
    [_zoneTableView release];
    [self.proTableView registerClass:[UITableViewCell class] forCellReuseIdentifier:NSStringFromClass([UITableViewCell class])];
    [self.cityTableView registerClass:[UITableViewCell class] forCellReuseIdentifier:NSStringFromClass([UITableViewCell class])];
    [self.zoneTableView registerClass:[UITableViewCell class] forCellReuseIdentifier:NSStringFromClass([UITableViewCell class])];
    
    self.proTableView.delegate = self;
    self.proTableView.dataSource = self;
    
    self.cityTableView.dataSource = self;
    self.cityTableView.delegate = self;
    
    self.zoneTableView.delegate = self;
    self.zoneTableView.dataSource = self;
    
    NSString *path = [[NSBundle mainBundle] pathForResource:@"area副" ofType:@"txt"];
    // 根據路徑產生相應的字符串
    NSString *str = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
    // 對字符串逐行進行切割
    NSArray *strArr = [str componentsSeparatedByString:@"\n"];
    self.proArr = [NSMutableArray array];
    //對數據進行解析成Json數據
    for (NSString *temp in strArr) {
        if (![temp hasPrefix:@" "]) {
            NSMutableDictionary *proDic = [NSMutableDictionary dictionary];
            NSMutableArray *cityArr = [NSMutableArray array];
            [proDic setObject:temp forKey:@"proName"];
            [proDic setObject:cityArr forKey:@"cityArr"];
            [self.proArr addObject:proDic];
        }else if ([temp hasPrefix:@"  "] && ![temp hasPrefix:@"    "]){
            NSMutableDictionary *cityDic = [NSMutableDictionary dictionary];
            [cityDic setObject:temp forKey:@"cityName"];
            NSMutableArray *zoneArr = [NSMutableArray array];
            [cityDic setObject:zoneArr forKey:@"zoneArr"];
            NSMutableDictionary *proDic = [self.proArr lastObject];
            NSMutableArray *cityArr = proDic[@"cityArr"];
            [cityArr addObject:cityDic];
        }else{
            NSMutableDictionary *proDic = [self.proArr lastObject];
            NSMutableArray *cityArr = proDic[@"cityArr"];
            NSMutableDictionary *cityDic = [cityArr lastObject];
            NSMutableArray *zoneArr = cityDic[@"zoneArr"];
            [zoneArr addObject:temp];
        }
    }
    NSLog(@"%@", self.proArr);
}


- (void)dealloc {
    [_zoneTableView release];
    [_cityTableView release];
    [_proArr release];
    [_proTableView release];
    [super dealloc];
    
    
}

// 返回第section個區的row的個數
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    if (tableView == self.proTableView) {
        return self.proArr.count;
    } else if (tableView == self.cityTableView) {
        return self.cityArr.count;
    } else {
        return self.zoneArr.count;
    }
    
}
// TableView的cell的加載方法
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    if (tableView == self.proTableView) {//當tableView是省時
    UITableViewCell *cell = [self.proTableView dequeueReusableCellWithIdentifier:NSStringFromClass([UITableViewCell class]) forIndexPath:indexPath];
    cell.textLabel.text = self.proArr[indexPath.row][@"proName"];
    return cell;
    } else if (tableView == self.cityTableView) {//當tableView是市時
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass([UITableViewCell class]) forIndexPath:indexPath];
        cell.textLabel.text = self.cityArr[indexPath.row][@"cityName"];
        return cell;
    } else {//當tableView是區名時
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass([UITableViewCell class]) forIndexPath:indexPath];
        cell.textLabel.text = self.zoneArr[indexPath.row];
        return cell;
    }
    
}
//TableView的點擊方法
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    if (tableView == self.proTableView) {//當點擊省名時
        self.cityArr = self.proArr[indexPath.row][@"cityArr"];
        [self.cityTableView reloadData];
    } else if (tableView == self.cityTableView) {//點擊市名時
        self.zoneArr = self.cityArr[indexPath.row][@"zoneArr"];
        [self.zoneTableView reloadData];
    }
}
- (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