【代码笔记】iOS-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;} elsereturn 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