批改navigation的默认返回按钮名字

修改navigation的默认返回按钮名字在父viewController中如下设置:UIBarButtonItem *backbutton [[UIBarB

修改navigation的默认返回按钮名字
在父viewController中如下设置:
    UIBarButtonItem *backbutton = [[UIBarButtonItem alloc]init];
    backbutton.title = @"返回列表";
    self.navigationItem.backBarButtonItem = backbutton;
    [backbutton release];