说明：  本代码适合联网登陆使用的登陆框，代码将登陆数据传送给服务器，并获取服务器响应信息。文中的密码发送验证过程也是不错的例子。
(the networking code for the use of landing the landing box, code landing data will be transmitted to the server. In response to the server and access information. Text passwords this validation process is a good example.)