我正在尝试创建一个自定义UIMenuController并将其显示在我的View中。这是我的代码:UIMenuController*menuController=[UIMenuControllersharedMenuController];UIMenuItem*listMenuItem=[[UIMenuItemalloc]initWithTitle:@"List"action:@selector(addList:)];[menuControllersetMenuItems:[NSArrayarrayWithObject:listMenuItem]];[menuControllerset