弹出框帐号密码输入效果，精选ios编程学习源码，很好的参考资料。-Pop up box account password input effect, selection of learning IOS programming source code, a good reference.

ipad上面用的弹出式密码输入面板，精选ios学习编程源码，很好的参考资料。-IPad above with pop-up password input panel, select IOS to learn programming source code, a good reference.

封装的使用正则表达式匹配手机号码、密码、用户名、身份证号码、网址等的方法，希望对大家开发又帮助。-Use regular expression package matching method of mobile phone number, password, user name, ID number, address, we also hope to help the development of.