#import <UIKit/UIKit.h>@interface RootViewController : UIViewController<UITableViewDelegate,UITableViewDataSource>{    UITableView * _tableView;    NSMutableArray * provinceArray;}@end

- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.         provinceArray = [[NSMutableArray alloc] initWithObjects:@"北京", @"上海", @"云南",@"四川",@"海南", @"江苏", @"香港", @"澳门", @"西藏", nil];        _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, 380) style:UITableViewStyleGrouped];    _tableView.delegate = self;    _tableView.dataSource = self;    [self.view addSubview:_tableView];}#pragma -mark -UITableViewDelegate- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {    UITableViewCell* cell = [tableView dequeueReusableCellWithIdentifier:@"ID"];    if (cell == nil) {        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"ID"] ;    }    cell.textLabel.text = [provinceArray objectAtIndex:indexPath.row];    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;        return cell;}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {    return 9;}- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {    return 60;}//点击进入下一页- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {        DetailViewController* svc = [[DetailViewController alloc] init];    svc.title = [NSString stringWithFormat:@"%@",[provinceArray objectAtIndex:indexPath.row]];    [self.navigationController pushViewController:svc animated:NO];}

#import <UIKit/UIKit.h>@interface DetailViewController : UIViewController<UITableViewDelegate,UITableViewDataSource>{    UITableView* _tableView;    NSArray* provinceArr;    NSArray* cityArray;    NSString* cityName;    NSMutableArray* ditailName;    NSString* ditialPlaceName;    NSDictionary *dicForPlist;}@end

#import "DetailViewController.h"static int rowNumber;@interface DetailViewController ()@end@implementation DetailViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];    if (self) {        // Custom initialization    }    return self;}- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.                //传过来的城市名字    cityName = self.title;    //tableView显示行数    rowNumber = 20;            //tableView    _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, 460 ) style:UITableViewStyleGrouped];    _tableView.delegate = self;    _tableView.dataSource = self;    [self.view addSubview:_tableView];            NSMutableArray* cityComparearr = [[NSMutableArray alloc] init];    ditailName = [[NSMutableArray alloc] init];      //城市的plist文件    dicForPlist = [NSDictionary dictionaryWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"cityName" ofType:@"plist"]];   //北京所有数据    provinceArr = [dicForPlist objectForKey:cityName];        for (int j = 0; j < [provinceArr count]; j++) {//遍历省的所有数据                cityArray = [provinceArr objectAtIndex:j];//取出每一个小数组                for (int i = 0; i < [cityArray count]; i++) {//遍历小数组                        NSString* strstr = [cityArray objectAtIndex:i]; //得到小数组内容                        if ([strstr isEqualToString:cityName] && j + 1 < [provinceArr count]) {                                cityComparearr = [provinceArr objectAtIndex:j + 1];                                if (![[cityArray objectAtIndex:i + 1] isEqualToString:[cityComparearr objectAtIndex:i + 1]]) {                                        [ditailName addObject:[cityArray objectAtIndex:i + 1]];                                    } else {                                    }            }                        if ([strstr isEqualToString:cityName] && j + 1 == [provinceArr count]){                NSLog(@"last one?");            }                    }    }}#pragma -mark -UITableViewDelegate- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {        UITableViewCell* cell = [tableView dequeueReusableCellWithIdentifier:@"ID"];    if (cell == nil) {        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"ID"];    }        if (indexPath.section == 0) {        cell.textLabel.text = [ditailName objectAtIndex:indexPath.row];    }        if (indexPath.section == 1) {        cell.textLabel.text = @"显示更多";        cell.textLabel.textAlignment = NSTextAlignmentCenter;    }        return cell;}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {    if (section == 0) {        if (rowNumber > [ditailName count]) {//显示到最多的时候            return [ditailName count];        }        return rowNumber;    } else        return 1;}- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {    return 2;}- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {    if (indexPath.section == 1) {        rowNumber += 20;        [tableView reloadData];    } else {        NSLog(@"---跳转到另外一个页面----");    }}