(1)设置文字
UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"返回" style:UIBarButtonItemStylePlain target:nil action:@selector(goBack)];
self.navigationItem.leftBarButtonItem = backButton;
(2)设置图片
-(void)viewWillAppear:(BOOL)animated{
self.navigationController.navigationBarHidden = NO;
UIBarButtonItem *backButton = [[UIBarButtonItemalloc]initWithImage:[UIImageimageNamed:@"返回@2x.png"] style:UIBarButtonItemStylePlaintarget:selfaction:@selector(goBack)];
self.navigationItem.leftBarButtonItem = backButton;
}
-(void)goBack{
[self.navigationControllerpopViewControllerAnimated:NO];
}
本文介绍如何在iOS应用中为导航栏设置返回按钮,包括使用文字和图片两种方式,并提供具体的实现代码。
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