【代码笔记】点击城市中的tableView跳转到旅游景点的tableView，下面会有“显示”更多。

一，效果图。

二，工程图。

三，代码。

RootViewController.h

#import <UIKit/UIKit.h>

@interface RootViewController : UIViewController <UITableViewDelegate,UITableViewDataSource> { UITableView * _tableView; NSMutableArray * provinceArray; } @end

 

RootViewController.m

#import "RootViewController.h"
//详细页面
#import "DetailViewController.h"

@interface RootViewController () @end

@implementation RootViewController - (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.
 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]; } - (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

 

DetailViewController.h

#import <UIKit/UIKit.h>

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

 

DetailViewController.m

#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----"); } } - (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