VB 网络验证

客户端：

注册

登录

修改密码

修改用户信息(邮箱 QQ号)

充值卡充值

防重登录（就像QQ那样 在一处登录之后在其他地点就无法再登录了 除非前者退出 后者才能登上）



管理端：

添加用户 删除用户 修改用户信息 重置用户密码 批量添加卡密 设置新注册用户试用天数 批量延长用户到期时间 查看用户登陆日志-VB network authentication client: Register Login Change Password to modify user information (mail QQ No.) prepaid card top-heavy anti-log (as QQ in a log, as in other locations after the logged on can not withdraw unless the latter to the former board ) management side: add a user to delete users to modify user information to reset the user password batch add cards close to set the number of days a new batch registered users to extend the trial time to view the user login the user logs due