1.验证邮箱 class func validateEmail(email: String) -> Bool {     var emailString = "[A-Z0-9a-z._% -] @[A-Za-z0-9.-] \\.[A-Za-z]{2,4}"     var emailPredicate = NSPredicate(format: "SELF MATCHES %@", emailS

React 中文文档(这个文档很好查询, 但是很多内容写的太简单了没讲清楚, 而且内容不全): https://hulufei.gitbooks.io/react-tutorial/content/index.html React 官方英文文档: https://facebook.github.io/react/docs/getting-started.html React 中文文档(这个文档比较

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