我试图在我的表格View之上放置一个View。它似乎只覆盖单元格，而不覆盖节标题。我希望它涵盖单元格和节标题。在我的UITableViewController子类中:-(void)viewDidAppear:(BOOL)animated{[superviewDidAppear:animated];UIView*veilView=[[UIViewalloc]initWithFrame:CGRectMake(25.0f,100.0f,100.0f,150.0f)];veilView.backgroundColor=[UIColorcolorWithWhite:0.0falpha:0.5f]