.NET微信公众号选择模板给粉丝推送消息

 

模板是只能选择微信官方的，不能自定义

#region 微信公众号推送消息
//官方文档：https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Template_Message_Interface.html
private void WeChatMsg(int id)
{
	if (id>0)
	{
		string resultVal = "默认返回内容";
		try
		{
			BLL.MyPlan myplanBLL = new BLL.MyPlan();
			Model.MyPlan dtyuyue = myplanBLL.GetModel(id);//
			string strnr = dtyuyue.Plans.ToString();//要改变的内容，要推送的

			string yanzCode = SmsReader.BuildVerCode();
			Session["GetCode"] = yanzCode;
			string OpenId = "";

			string sqlStr = @" SELECT 列 from 表 + " ";//查出要发送的粉丝的OPENID
			DataTable dt = MyWeb.DAL.DbHelperSQL.ExecuteDataTable(sqlStr);
			if (dt == null || dt.Rows.Count <= 0)
			{
				throw new Exception("抱歉，您的账号还未绑定微信公众号");
			}
			OpenId = dt.Rows[0][0].ToString();//关注公众号的用户的微信OPENID
			//template_id是公众号用的模板ID。是公众号后台选择的微信提供的模板，按行业选择
			string json = "{\"touser\":\"" + OpenId + "\",\"template_id\":\"nRlWu2Lf-hMS8cXfDGIFpzUxDOxuPHx4pGTXlQtzvEg\",\"url\":\"\",\"topcolor\":\"#FF0000\",\"data\":{\"first\":{\"value\":\"这里是标题\",\"color\":\"#173177\"},\"keyword1\":{\"value\":\"" + 这里是正文内容+ "\"},\"keyword2\":{\"value\":\"" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "\"},\"remark\":{\"value\":\"这里是备注！\"}}}";
			//string json = "{\"touser\":\"" + OpenId + "\",\"template_id\":\"nRlWu2Lf-hMS8cXfDGIFpzUxDOxuPHx4pGTXlQtzvEg\",\"topcolor\":\"#FF0000\",\"data\":{\"first\":{\"value\":\"这里是标题\",\"color\":\"#173177\"},\"keyword1\":{\"value\":\"" + 这里是正文内容 + "\"},\"keyword2\":{\"value\":\"" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "\"},\"remark\":{\"value\":\"这里是备注！\"}}}";
			//string tocken = GetWeiXinAccessToken(WXmpAppID, WXmpAppSecret);
			WxMPConfigInfo wxMPConfigInfo = GeWxAccessToken();
			string tocken = wxMPConfigInfo.Access_token;//获取微信公众号token
			string url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=" + tocken;
			string msgVal = HttpPostMP(url, json);
			AddLgoToTXT("【" + json + ", yanzCode:" + yanzCode + ",sqlStr:" + sqlStr + "】" + msgVal + "");//这句是写日志用的
		}
		catch (Exception ex)
		{

			resultVal = ex.Message;
		}
	}
	

}
private void AddLgoToTXT(string msg)
{
	try
	{
		string path = AppDomain.CurrentDomain.BaseDirectory + "operalog.txt";
		if (!System.IO.File.Exists(path))
		{
			FileStream stream = System.IO.File.Create(path);
			stream.Close();
			stream.Dispose();
		}
		using (StreamWriter writer = new StreamWriter(path, true))
		{
			writer.WriteLine(msg);
		}
	}
	catch (Exception)
	{

		throw;
	}

}
/// <summary>
/// 获取微信公众号access_token
/// </summary>
/// <returns></returns>
public static WxMPConfigInfo GeWxAccessToken()
{
	string sqlStr = @"select 列 from 列";//查询或者获取公众号的Token

	DataTable dt = MyWeb.DAL.DbHelperSQL.ExecuteDataTable(sqlStr);
	List<WxMPConfigInfo> tempList = ExtendMethod.ToDataList<WxMPConfigInfo>(dt);
	WxMPConfigInfo tempWxMPConfigInfo = null;
	if (tempList != null && tempList.Count > 0)
	{
		tempWxMPConfigInfo = tempList.First();
	}
	return tempWxMPConfigInfo;
}
/// <summary>
/// 微信公众号配置表
/// </summary>
public class WxMPConfigInfo
{
	public string WeiXinOpenId { get; set; }
	public string WeixinAvatar { set; get; }
	public string AppId { get; set; }
	public string Appsecret { get; set; }
	public string Access_token { get; set; }
	public string Token_Time { get; set; }
}
public static string HttpPostMP(string url, string param)
{
	HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
	request.Method = "POST";
	request.ContentType = "application/x-www-form-urlencoded";
	request.Accept = "*/*";
	request.Timeout = 15000;
	request.AllowAutoRedirect = false;

	StreamWriter requestStream = null;
	WebResponse response = null;
	string responseStr = null;

	try
	{
		requestStream = new StreamWriter(request.GetRequestStream());
		requestStream.Write(param);
		requestStream.Close();

		response = request.GetResponse();
		if (response != null)
		{
			StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
			responseStr = reader.ReadToEnd();
			reader.Close();
		}
	}
	catch (Exception)
	{
		throw;
	}
	finally
	{
		request = null;
		requestStream = null;
		response = null;
	}

	return responseStr;
}


#endregion