C#微信公众号与订阅号接口开发示例代码

本文实例讲述了c#微信公众号与订阅号接口开发示例代码。分享给大家供大家参考，具体如下：

using system;
using system.web;
using system.io;
using system.text;
using system.web.security;
using weixin_api;
public class wxgz_api : ihttphandler
{
  public void processrequest(httpcontext context)
  {
    context.response.contenttype = "text/plain";
    string poststring = string.empty;
    if (httpcontext.current.request.httpmethod.toupper() == "post")
    {
      //微信服务器对接口消息
      using (stream stream = httpcontext.current.request.inputstream)
      {
        byte[] postbytes = new byte[stream.length];
        stream.read(postbytes, 0, (int32)stream.length);
        poststring = encoding.utf8.getstring(postbytes);
        handle(poststring);
      }
    }
    else
    {
      //微信进行的get测试(开发者认证)
      wxauth();
    }
  }
  /// <summary>
  /// 处理信息并应答
  /// </summary>
  private void handle(string poststr)
  {
    messagehelp help = new messagehelp();
    string responsecontent = help.returnmessage(poststr);
    httpcontext.current.response.contentencoding = encoding.utf8;
    httpcontext.current.response.write(responsecontent);
  }
  #region 微信验证
  public void wxauth()
  {
    string token = "xxxxxxxx";
    if (string.isnullorempty(token))
    {
      return;
    }
    string echostring = httpcontext.current.request.querystring["echostr"];
    string signature = httpcontext.current.request.querystring["signature"];
    string timestamp = httpcontext.current.request.querystring["timestamp"];
    string nonce = httpcontext.current.request.querystring["nonce"];
    if (checksignature(token, signature, timestamp, nonce))
    {
      if (!string.isnullorempty(echostring))
      {
        httpcontext.current.response.write(echostring);
        httpcontext.current.response.end();
      }
    }
  }
  /// <summary>
  /// 验证微信签名
  /// </summary>
  public bool checksignature(string token, string signature, string timestamp, string nonce)
  {
    string[] arrtmp = { token, timestamp, nonce };
    array.sort(arrtmp);
    string tmpstr = string.join("", arrtmp);
    tmpstr = formsauthentication.hashpasswordforstoringinconfigfile(tmpstr, "sha1");
    tmpstr = tmpstr.tolower();
    if (tmpstr == signature)
    {
      return true;
    }
    else
    {
      return false;
    }
  }
  #endregion
  public bool isreusable
  {
    get
    {
      return false;
    }
  }
}

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希望本文所述对大家c#程序设计有所帮助。