//返回到上一个视图
- (UIViewController *)popViewControllerAnimated:(BOOL)animated;
//返回到指定的视图
- (NSArray *)popToViewController:(UIViewController *)viewController animated:(BOOL)animated;
//返回到第一页
- (NSArray *)popToRootViewControllerAnimated:(BOOL)animated;
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原文地址:http://ghost0714.blog.51cto.com/8682905/1411177