.NET WeChat development automatic content reply example code
In WeChat development, the first problem encountered is how to receive and respond to user messages. This article will introduce you to the methods and key codes.
The code developed by ASP.NET to receive WeChat messages and respond to user messages is as follows:
File name: v.ashx
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Xml; using Td.Weixin.Public.Common; using Td.Weixin.Public.Message; namespace WeiWeiXin.Net6 { /// <summary> /// v 的摘要说明 /// </summary> public class v : IHttpHandler { /// <summary> /// 开发者 验证 模块 /// </summary> /// <param name="context"></param> public bool ProcessRequest2(HttpContext context) { context.Response.ContentType = "text/plain"; // context.Response.Write("Hello World"); try { string echoStr = context.Request["echoStr"]; if (!string.IsNullOrEmpty(echoStr)) { context.Response.Write(echoStr); return true; } else { // context.Response.Write("end"); // context.Response.End(); } } catch (Exception e) { // context.Response.Write("end" + e.Message + e.ToString()); // context.Response.End(); } return false; } public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; //如果 是 验证 则 直接 退出 if (ProcessRequest2(context)) return; context.Response.ContentType = "text/plain"; var m = ReceiveMessage.ParseFromContext(); if (m == null) return; //被关注 if (m.MsgType == MessageType.Event && m.InnerToXmlText().IndexOf("subscribe") >= 0) { //发送AIML请求 var r2 = m.GetTextResponse(); string result = "[微笑]欢迎关注"; r2.Data = (TextMsgData)result; r2.Response(); return; } //数据解析 XmlDocument xmlDoc = new XmlDocument(); xmlDoc.LoadXml(m.ToXmlText());//"<xml><description><![CDATA[木子屋:http://www.mzwu.com/]]></description></xml>"); //菜单 或者 用户文本输入 if (m.MsgType == MessageType.Text || (m.MsgType == MessageType.Event && m.InnerToXmlText().IndexOf("subscribe") < 0)) { //读取 string rr = ""; if (m.MsgType == MessageType.Text) { rr = xmlDoc.SelectSingleNode("//Content").FirstChild.InnerText.ToLower().Trim(); } else { rr = xmlDoc.SelectSingleNode("//EventKey").FirstChild.InnerText.ToLower().Trim(); } //发送 var r2 = m.GetTextResponse(); string result = "欢迎使用,您发送的是:" +rr;// r2.Data = (TextMsgData)result; r2.Response(); return; } } public bool IsReusable { get { return false; } } } }
This code has the function of developer verification , also taking into account the reception and response of texts sent by the menu to the platform.
Related articles:
WeChat development message push implementation skills (with code)
A WEB message push framework based on WebSocket
Detailed explanation of the implementation code for message push through websocket in Java
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