微信公众平台及企业号C# SDK：Senparc.Weixin.MP.dll、Senparc.Weixin.QY.dll

public readonly string Token = "weixin";

/// <summary>
/// 微信后台验证地址（使用Get），微信后台的“接口配置信息”的Url填写如：http://weixin.senparc.com/weixin
/// </summary>
[HttpGet]
[ActionName("Index")]
public ActionResult Get(string signature, string timestamp, string nonce, string echostr)
{
    if (CheckSignature.Check(signature, timestamp, nonce, Token))
    {
        return Content(echostr);//返回随机字符串则表示验证通过
    }
    else
    {
        return Content("failed:" + signature + "," + CheckSignature.GetSignature(timestamp, nonce, Token));
    }
}

/// <summary>
/// 用户发送消息后，微信平台自动Post一个请求到这里，并等待响应XML
/// </summary>
[HttpPost]
[ActionName("Index")]
public ActionResult Post(string signature, string timestamp, string nonce, string echostr)
{
    if (!CheckSignature.Check(signature, timestamp, nonce, Token))
    {
        return Content("参数错误！");
    }
    ...
}

[HttpPost]
[ActionName("Index")]
public ActionResult Post(string signature, string timestamp, string nonce, string echostr)
{
    if (!CheckSignature.Check(signature, timestamp, nonce, Token))
    {
        return Content("参数错误！");
    }

    var messageHandler = new CustomMessageHandler(Request.InputStream);//接收消息
    
    messageHandler.Execute();//执行微信处理过程
    
    //return Content(messageHandler.ResponseDocument.ToString());//v0.7-
    return new WeixinResult(messageHandler);//v0.8+ with MvcExtension
}

using System;
using System.IO;
using Senparc.Weixin.MP.MessageHandlers;
using Senparc.Weixin.MP.Entities;

namespace Senparc.Weixin.MP.Sample.CustomerMessageHandler
{
    public class CustomMessageHandler : MessageHandler<MessageContext>
    {
        public CustomMessageHandler(Stream inputStream)
            : base(inputStream)
        {

        }
        
        public override IResponseMessageBase DefaultResponseMessage(IRequestMessageBase requestMessage)
        {
            var responseMessage = CreateResponseMessage<ResponseMessageText>();//ResponseMessageText也可以是News等其他类型
            responseMessage.Content = "这条消息来自DefaultResponseMessage。";
            return responseMessage;
        }

        public override IResponseMessageBase OnTextRequest(RequestMessageText requestMessage)
        {
            //...
        }

        public override IResponseMessageBase OnVoiceRequest(RequestMessageVoice requestMessage)
        {
            //...
        }
        
        //更多没有重写的OnXX方法，将默认返回DefaultResponseMessage中的结果。
        ....
    }
}

      public override IResponseMessageBase OnTextRequest(RequestMessageText requestMessage)
      {
          //TODO:这里的逻辑可以交给Service处理具体信息，参考OnLocationRequest方法或/Service/LocationSercice.cs
          var responseMessage = CreateResponseMessage<ResponseMessageText>();
          responseMessage.Content =
              string.Format(
                  "您刚才发送了文字信息：{0}",
                  requestMessage.Content);
          return responseMessage;
      }

PM> Install-Package Senparc.Weixin.MP

Copyright (c) 2013, Jeffrey Su <www.jeffreysu@gmail.com>
All rights reserved.

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