iOS 返回按钮

 UIBarButtonItem *backItem = [[UIBarButtonItem alloc] init];

    backItem.title =@"返回";

    self.navigationItem.backBarButtonItem = backItem;

    [self.navigationController.navigationBar setTintColor:MOSTCOLOR];

    self.navigationController.navigationBar.barTintColor = [UIColor whiteColor];

iOS 返回按钮

原文：http://www.cnblogs.com/lsh1234/p/6937418.html