效果图:
左边图片的代码:
//
// SecViewController.m
// UI__多个TableView练习
//
// 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]; }
// 加载界面函数
- (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])]; }
// 返回区(省)的个数
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return self.proArr.count;
}
// 返回各个section的省名
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
return self.proArr[section][@"proName"];
}
// 返回每个section的row的数量
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
NSDictionary *proDic = self.proArr[section];
NSArray *cityArr = proDic[@"cityArr"];
return cityArr.count;
}
// 将市名显示在row当中
- (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;
}
// 一个返回UIView的对section条进行增加控件的方法
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(, , self.view.frame.size.width, )];
view.backgroundColor = [UIColor cyanColor];
//写"更多"的按钮
UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(, , , )];
//写有省名的标签
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(, , , )];
[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:];
[button release];
return view;
}// 加载数据
- (void)createData {
//
NSString *path = [[NSBundle mainBundle] pathForResource:@"area副" ofType:@"txt"];
// 根据路径产生相应的字符串
NSString *str = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
// 对字符串逐行进行切割
NSArray *strArr = [str componentsSeparatedByString:@"\n"];
self.proArr = [NSMutableArray array];
// 将数据解析成JSON数据
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); }
// 显示侧边省名第一个汉字的方法(索引)
- (NSArray<NSString *> *)sectionIndexTitlesForTableView:(UITableView *)tableView {
NSMutableArray *array = [NSMutableArray array];
//将字符串进行截取放到数组中
for (int i = ; i < ; i++) {
NSString *string = self.proArr[i][@"proName"];
[array addObject:[string substringToIndex:]];
}
//第二种方法 : 对数组进行遍历然后放到数组中
// 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
右边图片的代码:
//
// RootViewController.m
// UI__多个TableView练习
//
// 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.
//下面是三个tableView的初始化和代理设置
self.proTableView = [[UITableView alloc] initWithFrame:CGRectMake(, , WIDTH / , HEIGHT)];
self.proTableView.backgroundColor = [UIColor blueColor];
[self.view addSubview:self.proTableView];
[_proTableView release]; self.cityTableView = [[UITableView alloc] initWithFrame:CGRectMake(WIDTH / , , WIDTH / , HEIGHT - )];
self.cityTableView.backgroundColor = [UIColor cyanColor];
[self.view addSubview:self.cityTableView ];
[_cityTableView release]; self.zoneTableView = [[UITableView alloc] initWithFrame:CGRectMake(WIDTH / * , , WIDTH / , HEIGHT - )];
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"];
// 根据路径产生相应的字符串
NSString *str = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
// 对字符串逐行进行切割
NSArray *strArr = [str componentsSeparatedByString:@"\n"];
self.proArr = [NSMutableArray array];
//对数据进行解析成Json数据
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个区的row的个数
- (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的加载方法
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
if (tableView == self.proTableView) {//当tableView是省时
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) {//当tableView是市时
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass([UITableViewCell class]) forIndexPath:indexPath];
cell.textLabel.text = self.cityArr[indexPath.row][@"cityName"];
return cell;
} else {//当tableView是区名时
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass([UITableViewCell class]) forIndexPath:indexPath];
cell.textLabel.text = self.zoneArr[indexPath.row];
return cell;
} }
//TableView的点击方法
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
if (tableView == self.proTableView) {//当点击省名时
self.cityArr = self.proArr[indexPath.row][@"cityArr"];
[self.cityTableView reloadData];
} else if (tableView == self.cityTableView) {//点击市名时
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