DemoInPutPasswordView
1.0.0
The effect of imitating the WeChat payment password input box
The text box uses the third-party library WTReTextField (a text box that can limit the input content of the text box through regular expressions.)
LMPopInputPasswordView *popView = [[LMPopInputPasswordView alloc]init];
popView.frame = CGRectMake((self.view.frame.size.width - 250)*0.5, 50, 250, 150);
popView.delegate = self;
[popView pop];