.NET 微信开发自动内容回复实例代码

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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;
            }
        }
    }
}