一个简单的qq聊天程序 有登陆系统模块、聊天系统模块、 后台管理模块，用户可以申请账号，设置密码以及修改密码；管理本系统所有聊天记录（包括聊天时间，聊天内容，以及聊天对象），并且根据用户的需求进行保存或者删除。管理申请有本系统账号的所有用户的基本资料

-A simple qq chat program have login the system module, chat system module, background management module, the user can apply for account and password, and modify the password set　Management system this all chat logs (including chat of time, the talk, and chat objects), and according to the needs of the users to be saved or deleted. Management application has this system account of all users of the basic material