UIViewController与UIView和UITableViewUIView|-UITableView我正在尝试像这样设置边距:-(void)viewDidLoad{[superviewDidLoad];self.view.layoutMargins=UIEdgeInsetsMake(30,30,30,30);self.tableView.preservesSuperviewLayoutMargins=YES;[self.viewlayoutIfNeeded];}但是View上什么也没有发生。这是来自InterfaceBuilder的约束(lldb)poself.view.con
