public string GetOpenid(string code)
{
string url = "";
Sys_WxChatConfigBll swccb = new Sys_WxChatConfigBll();
Sys_WxChatConfig wc = swccb.Query(" and acode='0001'");
string getAccessTokenUrl = " https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code";
string respText = "";
if (wc != null)
{
url = string.Format(getAccessTokenUrl, wc.appid, wc.appsec, code);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
using (Stream resStream = response.GetResponseStream())
{
StreamReader reader = new StreamReader(resStream, Encoding.Default);
respText = reader.ReadToEnd();
resStream.Close();
}
int start = respText.IndexOf("openid");
int end = respText.IndexOf("scope");
start += 15;
end -= 3;
respText = respText.Substring(start, end - start);
}
else
{
respText = "";
}
return(respText);
}
