1.OC版
self.textView.dataDetectorTypes =UIDataDetectorTypeAll;
self.textView.editable= NO;//只有设置为No,不可编辑才能显示下划线。self.textView.text=@"http://www.baidu.com \n tel://185-1108-9430 +8602980000000 169001230@qq.com";//选择内容后弹框添加按钮 不必不可编辑UIMenuItem*item = [[UIMenuItem alloc] initWithTitle:@"111"action:@selector(itemAction)];
UIMenuController*menu =[[UIMenuController alloc] init];
menu.menuItems= @[item];

2.Swift版
let textview: UITextView = UITextView.init(frame: CGRect.init(x:10, y:100, width:300, height:100))
textview.layer.borderColor=UIColor.red.cgColor
textview.layer.borderWidth=1.0textview.text="http://www.baidu.com \n tel://185-1108-9430 +8602980000000 169001230@qq.com"self.view.addSubview(textview)//是否可编辑textview.isEditable=true//内容是否可选textview.isSelectable=truetextview.isEditable=falsetextview.dataDetectorTypes=.all
let mail= UIMenuItem(title:"邮件", action: #selector(mailAction))
let menu=UIMenuController()
menu.menuItems= [mail]
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