UIBarButtonItem *backbutton = [[UIBarButtonItem alloc]init];
backbutton.title = @"返回";
self.navigationItem.backBarButtonItem = backbutton;
UIBarButtonItem *backbutton = [[UIBarButtonItem alloc]init];
backbutton.title = @"返回";
self.navigationItem.backBarButtonItem = backbutton;
本文标题:push返回按钮
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