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A -> B,大概有2种方法:
1)在push的时候,在A中添加代码:
UIBarButtonItem *backItem = [[UIBarButtonItem alloc] init]; backItem.title = @"你的文字"; self.navigationItem.backBarButtonItem = backItem;
UIBarButtonItem *item = (UIBarButtonItem *)self.navigationController.navigationBar.topItem; item.title = @"你的文字";
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原文地址:http://my.oschina.net/u/913344/blog/467380