void CheckUserName()
{
string userName = We7Helper.FilterHtmlChars(HttpContext.Current.Request["userName"]);
HttpContext.Current.Response.Clear();
int length = GetStrLen(userName);
if (userName == "")
{
HttpContext.Current.Response.Write("false|用户名不能为空");
}
else if (length < 5 || length > 20)
{
HttpContext.Current.Response.Write("false|用户名必须是5-20位");
}
else if (!Regex.IsMatch(userName, @"^[\u4E00-\u9FA5a-zA-Z0-9]+$"))
{
HttpContext.Current.Response.Write("false|用户名必须是必须是字母、数字或组合");
}
else if (AccountHelper.ExistUserName(userName))
{
HttpContext.Current.Response.Write("false|该会员名已被使用");
}
else
{
HttpContext.Current.Response.Write("true|");
}
HttpContext.Current.Response.End();
}
