public string Auth(HttpContext context)
{
string returnUrl = context.Request["return_url"];
if (returnUrl == "")
{
return("mission parmeter return_url");
}
string authProcUrl = WeixinHelper.GetAuthProcUrl(returnUrl);
string authUrl = OAuth.GetAuthorizeUrl(Variables.AppId, authProcUrl,
"OK", OAuthScope.snsapi_base, "code");
//authUrl = authProcUrl;
context.Response.Redirect(authUrl, true);
return("");
}