asp.net微信开发（开发者接入)

先上图，看一看需要进行哪些项目的操作：

 

在项目的根目录或者特定的文件夹内，创建一个ashx文件(一般处理程序文件)，如图

 public void processrequest(httpcontext context)
 {
  context.response.contenttype = "text/plain";
  
  string poststring = string.empty;
  if (httpcontext.current.request.httpmethod.toupper() == "post")
  {
  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);
  }

  if (!string.isnullorempty(poststring))
  {
   responsexml(poststring);//返回给微信用户信息
  }

  ///加载自定义菜单
  string postdata = "{" + "\r\n";
  postdata += "\"button\":[ " + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += "\"name\":\"简单查\"," + "\r\n";
  postdata += "\"sub_button\":[" + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"click\"," + "\r\n";
  postdata += " \"name\":\"我的薪资\", " + "\r\n";
  postdata += " \"key\":\"mypay\"" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"click\"," + "\r\n";
  postdata += " \"name\":\"天气预报\", " + "\r\n";
  postdata += " \"key\":\"tianqiyubao\"" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"view\"," + "\r\n";
  postdata += " \"name\":\"火车票查询\", " + "\r\n";
  postdata += " \"url\":\"http://www.deqiaohr.com.cn/*******.aspx\"" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"click\"," + "\r\n";
  postdata += " \"name\":\"开心一刻\", " + "\r\n";
  postdata += " \"key\":\"kaixinyixiao\"" + "\r\n";
  postdata += " }]" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{" + "\r\n";
  postdata += "\"name\":\"会员管理\", " + "\r\n";
  postdata += "\"sub_button\":[" + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"view\"," + "\r\n";
  postdata += " \"name\":\"会员注册\", " + "\r\n";
  postdata += " \"url\":\"http://www.deqiaohr.com.cn/****.aspx\"" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"view\"," + "\r\n";
  postdata += " \"name\":\"重置密码\", " + "\r\n";
  postdata += " \"url\":\"http://www.deqiaohr.com.cn/****.aspx\"" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"click\"," + "\r\n";
  postdata += " \"name\":\"修改资料\", " + "\r\n";
  postdata += " \"key\":\"updatemessage\"" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"click\"," + "\r\n";
  postdata += " \"name\":\"我的提问\", " + "\r\n";
  postdata += " \"key\":\"mywen\"" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"click\"," + "\r\n";
  postdata += " \"name\":\"联系客服\", " + "\r\n";
  postdata += " \"key\":\"phoneserices\"" + "\r\n";
  postdata += " }]" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{" + "\r\n";
  postdata += "\"name\":\"活动通知\"," + "\r\n";
  postdata += "\"sub_button\":[" + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"click\"," + "\r\n";
  postdata += " \"name\":\"近期活动\", " + "\r\n";
  postdata += " \"key\":\"yuangonghuodong\"" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"click\"," + "\r\n";
  postdata += " \"name\":\"近期通知\", " + "\r\n";
  postdata += " \"key\":\"yuangongtongzhi\"" + "\r\n";
  postdata += "}," + "\r\n";
  postdata += "{ " + "\r\n";
  postdata += " \"type\":\"click\"," + "\r\n";
  postdata += " \"name\":\"有问必答\", " + "\r\n";
  postdata += " \"key\":\"youwenbida\"" + "\r\n";
  postdata += " }]" + "\r\n";
  postdata += "}]" + "\r\n";
  postdata += "}" + "\r\n";

  //自定义菜单token的获取 是用 下面的两个参数 获取的 不能直接用 公众平台的token
  string to = getaccesstoken();
  //本人不喜欢 后台 json的操作 直接截取就可以了 得到的就是 token 或者 自己 获取 json的token
  to = to.substring(17, to.length - 37);
  //加载菜单
  string i = getpage("https://api.weixin.qq.com/cgi-bin/menu/create?access_token=" + to, postdata);

  }
  else
  {
  auth(); //微信接入的测试
  }
  
 }

 

 /// <summary>
 /// 获取通行证
 /// </summary>
 /// <returns></returns>
 private string getaccesstoken()
 {
  string url_token = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=********&secret=*********";
  httpwebrequest myrequest = (httpwebrequest)webrequest.create(url_token);
  myrequest.method = "get";
  httpwebresponse myresponse = (httpwebresponse)myrequest.getresponse();
  streamreader reader = new streamreader(myresponse.getresponsestream(), encoding.utf8);
  string content = reader.readtoend();
  reader.close();
  return content;
 }

 

 /// <summary>
 /// 加载菜单项
 /// </summary>
 /// <param name="p"></param>
 /// <param name="postdata"></param>
 /// <returns></returns>
 private string getpage(string p, string postdata)
 {
  stream outstream = null;
  stream instream = null;
  streamreader sr = null;
  httpwebresponse response = null;
  httpwebrequest request = null;
  encoding encoding = encoding.utf8;
  byte[] data = encoding.getbytes(postdata);
  // 准备请求...
  try
  {
  // 设置参数
  request = webrequest.create(p) as httpwebrequest;
  cookiecontainer cookiecontainer = new cookiecontainer();
  request.cookiecontainer = cookiecontainer;
  request.allowautoredirect = true;
  request.method = "post";
  request.contenttype = "application/x-www-form-urlencoded";
  request.contentlength = data.length;
  outstream = request.getrequeststream();
  outstream.write(data, 0, data.length);
  outstream.close();
  //发送请求并获取相应回应数据
  response = request.getresponse() as httpwebresponse;
  //直到request.getresponse()程序才开始向目标网页发送post请求
  instream = response.getresponsestream();
  sr = new streamreader(instream, encoding);
  //返回结果网页（html）代码
  string content = sr.readtoend();
  string err = string.empty;
  return content;
  }
  catch (exception ex)
  {
  string err = ex.message;
  return string.empty;
  }
 }

 

 /// <summary>
 /// 获取参数进行认证
 /// </summary>
 private void auth()
 {
  string token = "*****";//你申请的时候填写的token

  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>
 /// 对微信传入参数进行封装到数组，拼接字符串，进行加密操作
 /// </summary>
 /// <param name="token"></param>
 /// <param name="signature"></param>
 /// <param name="timestamp"></param>
 /// <param name="nonce"></param>
 /// <returns></returns>
 private bool checksignature(string token, string signature, string timestamp, string nonce)
 {
  string[] arrtmp = { token, timestamp, nonce };//将参数放进数组

  array.sort(arrtmp);//对数组进行排序
  string tmpstr = string.join("", arrtmp);//将数组进行拼接
  ///对拼接后的字符串进行加密操作
  tmpstr = formsauthentication.hashpasswordforstoringinconfigfile(tmpstr, "sha1");
  //转换成小写形式
  tmpstr = tmpstr.tolower();
  //比对成功返回
  if (tmpstr == signature)
  {
  return true;
  }
  else
  {
  return false;
  }
 }

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