UI09_多种tableView

来源：互联网发布：python 迭代器使用编辑：程序博客网时间：2024/04/30 08:41
将一个省市区字典数组添加到tableView中, 实现如下效果 (点击省, 显示对应的市, 点击市, 显示相应的区)
#import "MainViewController.h"#define WIDTH self.view.frame.size.width#define HEIGHT self.view.frame.size.height@interface MainViewController ()<UITableViewDataSource, UITableViewDelegate>//  省市区数组@property(nonatomic, retain)NSMutableArray *proArr;@property(nonatomic, retain)NSMutableArray *cityArr;@property(nonatomic, retain)NSMutableArray *zoneArr;@property(nonatomic, retain)UITableView *proTableView;@property(nonatomic, retain)UITableView *cityTableView;@property(nonatomic, retain)UITableView *zoneTableView;@end@implementation MainViewController- (void)dealloc{    [_proTableView release];    [_cityTableView release];    [_zoneTableView release];    [_proArr release];    [_cityTableView release];    [_zoneTableView release];    [super dealloc];}- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];    if (self) {        [self createData];    }    return self;}- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.    self.view.backgroundColor = [UIColor whiteColor];    self.navigationController.navigationBar.translucent = NO;//  一个页面里面有三个tableview, 进行互相的联动, 点击省显示对应的市, 点击市显示对应的区    //  省tableView    self.proTableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, WIDTH / 3, HEIGHT - 64) style:UITableViewStylePlain];    [self.view addSubview:self.proTableView];    [_proTableView release];    self.proTableView.dataSource = self;    self.proTableView.delegate = self;    //  市tableView    self.cityTableView = [[UITableView alloc]initWithFrame:CGRectMake(WIDTH / 3, 0, WIDTH / 3, HEIGHT - 64) style:UITableViewStylePlain];    [self.view addSubview:self.cityTableView];    [_cityTableView release];    self.cityTableView.dataSource = self;    self.cityTableView.delegate = self;    // 区tableView    self.zoneTableView = [[UITableView alloc]initWithFrame:CGRectMake(WIDTH / 3  * 2, 0, WIDTH / 3, HEIGHT - 64) style:UITableViewStylePlain];    [self.view addSubview:self.zoneTableView];    [_zoneTableView release];    self.zoneTableView.dataSource = self;    self.zoneTableView.delegate = self;}- (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;    }}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{    if (tableView == self.proTableView) {        static NSString *proReuse = @"proReuse";        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:proReuse] ;        if (!cell) {            cell = [[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:proReuse] autorelease];        }        NSDictionary *proDic = self.proArr[indexPath.row];        cell.textLabel.text = proDic[@"proName"];        return  cell;    } else if (tableView == self.cityTableView){        static NSString *cityReuse = @"cityReuse";        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cityReuse] ;        if (!cell) {            cell = [[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cityReuse]autorelease];        }        NSDictionary *cityDic = self.cityArr[indexPath.row];        cell.textLabel.text = cityDic[@"cityName"];        return  cell;    }else{        static NSString *zoneReuse = @"zoneReuse";        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:zoneReuse];        if (!cell) {            cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:zoneReuse];        }        cell.textLabel .text = self.zoneArr[indexPath.row];        return cell;    }}- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{//  当前是哪一个tableView被触发方法    if (tableView == self.proTableView) {        //  先找到当前点击的是哪个省        NSMutableDictionary *proDic = self.proArr[indexPath.row];        self.cityArr = proDic[@"cityArr"];        //  对市的tableView进行reloaddata        [self.cityTableView reloadData];    }else if(tableView == self.cityTableView){        //  先找市字典        NSMutableDictionary *dic = self.cityArr[indexPath.row];        //  再找区数组        self.zoneArr = dic[@"zoneArr"];        //  对区数组刷新        [self.zoneTableView reloadData];    }}- (void)createData{    NSString *path = @"/Users/dlios/Desktop/UI/笔记/UI09_多种tableView/UI09_多种tableView/area.txt";    NSString *str = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];    NSArray *strArr = [str componentsSeparatedByString:@"\n"];    self.proArr = [NSMutableArray array];    for (NSString *temp in strArr) {        if (![temp hasPrefix: @" "]) {            NSMutableDictionary *proDic = [NSMutableDictionary dictionary];            [proDic setObject:temp forKey:@"proName"];            NSMutableArray *cityArr = [NSMutableArray array];            [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];        }    }}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end
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