如何在导航栏中创建返回按钮

how to create back button in navigation bar(如何在导航栏中创建返回按钮)

问题描述

我有 2 页.第一个是tableView，第二个是view当我单击任何单元格时，以模态搜索方式进入下一页(视图).我想在导航栏的下一页添加返回按钮.这是我在视图页面中的代码:ViewController.m

I have 2 page. first is tableView and second is view when I to click on any cell go on to next page (view) in way modal segue. I want add back button in next page of navigation bar . this is my code in view page : ViewController.m

- (void)viewDidLoad
{
    [super viewDidLoad];
    self.lable.text = obji.Name;
    self.lable2.text = obji.Descript;

    UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Back" style:UIBarButtonItemStyleBordered target:self action:@selector(Back)];
    self.navigationItem.leftBarButtonItem = backButton;
}

- (IBAction)Back
{
    //I dont know that how return pervious page
}

推荐答案

正如您在评论中所说，您使用的是模态控制器

As you said in your comment you use a modal controller

在viewWillappear

     UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Back" style: UIBarButtonItemStyleBordered target:self action:@selector(Back)];
     self.navigationItem.leftBarButtonItem = backButton;

在

- (IBAction)Back
  {
    [self dismissViewControllerAnimated:YES completion:nil]; // ios 6
  }

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