自定义返回按钮

废话不多说，直接上代码

    UIButton *backBtn = [UIButtonbuttonWithType:UIButtonTypeCustom];

    backBtn.frame =CGRectMake(0,5, 27, 27);

    [backBtn setImage:[UIImageimageNamed:@"返回.png"]forState:UIControlStateNormal];

    [backBtn addTarget:selfaction:@selector(back)forControlEvents:UIControlEventTouchUpInside];//监听按钮

   UIBarButtonItem *backItem = [[UIBarButtonItemalloc] initWithCustomView:backBtn];

    self.navigationItem.leftBarButtonItem = backItem;//把自定义的返回按钮添加到导航栏左边

下面需要写一个返回按钮点击事件的方法

-(void)back{

   [self.navigationControllerpopViewControllerAnimated:YES];

}