swift PasswordTextField

swift 实现显示/隐藏明文
使用第三方库PasswordTextField PasswordTextField
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.

    let passwordField = PasswordTextField(frame: CGRect(x: 50, y: 100, width: 200, height: 50));passwordField.layer.cornerRadius = 4;// 展示密码图标 总是展示passwordField.backgroundColor = UIColor.gray;passwordField.borderStyle = .none;// Editing 编辑时候展示passwordField.showButtonWhile = .Editing;// 图标的颜色passwordField.imageTintColor = .orange;passwordField.customShowSecureTextImage = UIImage.init(named: "不显示密码");passwordField.customHideSecureTextImage = UIImage.init(named: "显示密码");self.view.addSubview(passwordField);}