iOS:NAV+TABLE结合

浏览数：30 / 时间：2015年06月11日

功能：点击列表项，用列表字符串作为参数创建一个新视图，新视图默认可以有一个BACK按钮回到上一个视图

//
//  main.m
//  Hello
//
//  Created by lishujun on 14-8-28.
//  Copyright (c) 2014年 lishujun. All rights reserved.
//

#import <UIKit/UIKit.h>

// ------------- 接受参数的视图控制器-------------
@interface TestViewController : UIViewController
@end

@implementation TestViewController

-(TestViewController *)initWithArg:(NSString *)arg
{
    NSLog(@"%@", arg);
    return self;
}

-(void) loadView
{
    //创建视图对象
    UIView *contentView = [[UIView alloc]initWithFrame:[[UIScreen mainScreen] applicationFrame]];
    contentView.backgroundColor = [UIColor lightGrayColor];
    self.view = contentView;
}
@end


// --------------视图控制器对象--------------
@interface HelloWorldViewController : UIViewController <UITableViewDataSource, UITableViewDelegate>
{
    UITableView *tableView;
    NSArray *array;
}
@end

@implementation HelloWorldViewController

-(HelloWorldViewController *) init
{
    array = [[NSArray alloc]initWithObjects:@"oops", @"hello", @"world", nil];
    return self;
}

-(void) loadView
{
    //创建视图对象
    UIView *contentView = [[UIView alloc]initWithFrame:[[UIScreen mainScreen] applicationFrame]];
    contentView.backgroundColor = [UIColor lightGrayColor];
    self.view = contentView;
    
    tableView = [[UITableView alloc]initWithFrame:[[UIScreen mainScreen] applicationFrame]];
    [self.view addSubview:tableView];
    tableView.dataSource = self;
    tableView.delegate = self;
}

// --------DataSource接口必须实现的方法，用于填充表格-----------
-(NSInteger) numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1; //设定列表分区个数
}

-(NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [array count]; //设定列表长度
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    // 生成列表单元（尽可能复用已有单元）
    static NSString *simpleTableIdentifer = @"SimpleTableIdentifer";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:simpleTableIdentifer];
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:simpleTableIdentifer];
    }
    cell.textLabel.text = array[indexPath.row];
    return cell;
}

// ----------实现Delegate接口的方法,用于操作---------------
-(void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    //行选中事件
    NSString *rowValue = array[indexPath.row];
    [tableView deselectRowAtIndexPath:indexPath animated:YES]; //取消选中状态
    [self.navigationController pushViewController:[[TestViewController alloc]initWithArg:rowValue] animated:YES];
}

@end

// ----------------委托对象--------------------
@interface HelloWorldAppDelegate : NSObject <UIApplicationDelegate>
{
    IBOutlet UIWindow *window;
}

@property (nonatomic, retain) UIWindow *window;
@property (nonatomic, retain) UINavigationController *nav;

@end

@implementation HelloWorldAppDelegate

@synthesize window;
@synthesize nav;

-(void) applicationDidFinishLaunching:(UIApplication *)application
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen]bounds]];
    HelloWorldViewController *viewController = [[HelloWorldViewController alloc]init];
    
    self.nav = [[UINavigationController alloc]initWithRootViewController: viewController];
    self.window.rootViewController = self.nav;
    [self.window makeKeyAndVisible];
}
@end

// ---------------程序入口---------------------
int main(int argc, char * argv[])
{
    @autoreleasepool {
        return UIApplicationMain(argc, argv, nil, @"HelloWorldAppDelegate");
    }
}