/// <summary>
/// 验证用户名或邮件是否存在
/// </summary>
/// <param name="context"></param>
public static void CheckNameAndEmail(HttpContext context)
{
string name = context.Request.Form["n"];
string email = context.Request.Form["e"];
int ret = 0;
bool bName, bEmail;
UserAccount.CheckNameAndEmail(name, out bName, email, out bEmail);
if (bName && bEmail) ret = 3;
else if (bName) ret = 1;
else if (bEmail) ret = 2;
context.Response.Write(ret);
}