摘要： UIBarButtonItem *backItem=[[UIBarButtonItem alloc]init]; backItem.title=@" "; UIImage *backimage=[[UIImage imageNamed:@"back.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 0, 0, 0)]; [backItem setBackButtonBackgroundImage:backimage forState:UIControlStateNorma... 阅读全文