微信带链接的文本消息推送

        string token = “你的access_token”;
        StringBuilder sb = new StringBuilder();
        sb.Append("{"touser":"发送对象的openid","msgtype":"text","text":{"content":"您好！，请前往<a href=‘http://www.baidu.com ‘>百度</a>查看"}}");
        string url = string.Format("https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token={0}", token);
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
        byte[] requestBytes = Encoding.UTF8.GetBytes(sb.ToString());
        request.Method = "POST";
        request.ContentType = "application/x-www-form-urlencoded";
        request.ContentLength = requestBytes.Length;
        Stream requestStream = request.GetRequestStream();
        requestStream.Write(requestBytes, 0, requestBytes.Length);
        requestStream.Close();
        HttpWebResponse response = (HttpWebResponse)request.GetResponse();
        StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.Default);
        string backstr = sr.ReadToEnd();
        
        sr.Close();
        response.Close();