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C# 微信開發微信號接入（附完整源碼）（1）

Posted on 2016-03-02 14:48 霍先生的博客閱讀(781) 評論(0) 收藏舉報

1. 首先配置微信服務器設置

a) 企業號配置信息（詳見：ConfigurationManager類）

b) 企業號服務器配置： ConfigurationManager類

c) 驗證響應服務器數據配置（WeiXin類中Auth()）

企業號基礎API 實現

 public class ConfigurationManager
    {
   
    //微信企業號iD
    //服務器url 驗證口令
    //微信iD
        public static string WaiURL = "http://125.1*******4:100/";
        public static string CorpToken = "我的weixin";

        public static string CorpId = "wx20dfd******4e6";
        public static string Srcret = "UMuGX35QgE1ra*********bPWoUHwM6OYj_vbtN7";

        public static string EncodingAESKey = "oBqi7vnYgviR6sCJKqQh6Us******YIA";
        ublic static string Agentid = "3";
}

 public class GetAccessToken
    {
        /// <summary>
        /// 獲取Access_token的值
        /// </summary>
        /// <returns></returns>
        public static string GetAccess_token()
        {
            //1.有沒有Token值
            //if (ExistsToken() != "")
            //{
            //    return ExistsToken();
            //}
            //2.
            string appid = ConfigurationManager.AppSettings["CorpId"];//從配置文件獲取Token
            string AppSecret = ConfigurationManager.AppSettings["Srcret"];//從配置文件獲取Token
            string url = String.Format("https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid={0}&corpsecret={1}", appid, AppSecret);
            string access_tokenjson = HttpRequestUtil.RequestUrl(url);
            LogUtil.WriteLog("原始access_tokenjson為： " + access_tokenjson);
            access_tokenjson = "[" + access_tokenjson + "]";
            if (access_tokenjson != "")
            {
                JArray ja = (JArray)JsonConvert.DeserializeObject(access_tokenjson);
                string Error = "";
                try
                {
                    if (access_tokenjson.Contains("errcode"))
                    {
                        Error = ja[0]["errcode"].ToString();
                    }
                }
                catch (Exception ex)
                {
                    LogUtil.WriteLog("獲取access_token,未獲取到錯誤信息" + ex.Message.ToString());
                }
                string access_token = ja[0]["access_token"].ToString();
                string expires_in = ja[0]["expires_in"].ToString();
                if (expires_in == "7200")
                {
                    LogUtil.WriteLog("access_tokenjson 獲取成功!");
                }
                else {
                    LogUtil.WriteLog("access_tokenjson 獲取失敗!");
                    return "";
                }
                LogUtil.WriteToken(access_token);
                WriteTokenTxt(access_token);
                return access_token;
            }
            LogUtil.WriteLog(DateTime.Now.ToString() + "access_tokenjson為： " + access_tokenjson);
            return "";
        }

        /// <summary>
        /// 寫入Ｔｏｋｅｎ 和 時間校驗  值
        /// </summary>
        /// <param name="AccessToken"></param>
        public static void WriteTokenTxt(string AccessToken)
        {
            //寫入Token
            string StartTime = DateTime.Now.ToString();
            StreamWriter sw = new StreamWriter("C:\\WeiXinLog\\AccessToken.txt");//無就創建，有則覆蓋
            sw.WriteLine(AccessToken);
            sw.Close();

            //寫入Datetime
            StreamWriter sw1 = new StreamWriter("C:\\WeiXinLog\\AccessTokenDT.txt");//無就創建，有則覆蓋
            sw1.WriteLine(DateTime.Now.ToString());
            sw1.Close();
        }

        /// <summary>
        /// 是否已存在Token值
        /// </summary>
        public static string ExistsToken()
        {
            string AccessToken = "";      //讀取
            try
            {
                StreamReader re = new StreamReader("C:\\WeiXinLog\\AccessToken.txt");
                AccessToken = re.ReadLine();
                re.Close();
                if (AccessToken != "")
                {
                    if (Time1() == true)
                    {
                        return AccessToken;
                    }
                }

            }
            catch (Exception ex)
            {
                return "";
            }

            return "";
        }

        /// <summary>
        /// 是否已存在時間差值
        /// </summary>
        public static string ExistsTokenDT()
        {
            string AccessTokenDT = "";      //讀取
            try
            {
                StreamReader re = new StreamReader("C:\\WeiXinLog\\AccessTokenDT.txt");
                AccessTokenDT = re.ReadLine();
                re.Close();

                if (AccessTokenDT != "")
                {
                    return AccessTokenDT;
                }
            }
            catch (Exception ex)
            {
                return "";
            }
            return "";
        }

        //計算時間差 
        public static bool Time1()
        {
            //計算時間差
            //DateTime startTime = Convert.ToDateTime("2015-10-19 15:43:08");

            string strTime = ExistsTokenDT();
            DateTime startTime = Convert.ToDateTime(strTime);
            DateTime endTime = Convert.ToDateTime(DateTime.Now.ToString());
            TimeSpan ts = endTime - startTime;
            LogUtil.WriteLog("相差的總時間 用秒數表示" + ts.TotalSeconds);
            if (ts.TotalSeconds > 7200)
            {
                LogUtil.WriteLog(DateTime.Now.ToString() + " 時時間過期，原始時間為：" + strTime);
                return false;
            }
            else
            {
                return true;
            }
        }

        #region
        /// <summary>
        /// 驗證Token是否過期
        /// </summary>
        public static bool TokenExpired(string access_token)
        {
            string jsonStr = HttpRequestUtil.RequestUrl(string.Format("https://api.weixin.qq.com/cgi-bin/menu/get?access_token={0}", access_token));

            if (jsonStr == "42001")
            {
                return true;
            }
            return false;
        }




        /// <summary>
        /// 創建文件夾
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        private static bool CreateFolder(string path)
        {
            if (Directory.Exists(path) == false)
            {
                //判斷文件夾是否存在
                Directory.CreateDirectory(path);
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 讀取文本Ｔｏｋｅｎ的值
        /// </summary>
        /// <returns></returns>
        public static string ReaderToken()
        {
            string myStr = "";
            using (FileStream fsRead = new FileStream(@"C:\\WeiXinLog\\AccessToken.txt", FileMode.Open))
            {
                int fsLen = (int)fsRead.Length;
                byte[] heByte = new byte[fsLen];
                int r = fsRead.Read(heByte, 0, heByte.Length);
                myStr = System.Text.Encoding.UTF8.GetString(heByte);
                Console.WriteLine(myStr);
                Console.ReadKey();
            }
            return myStr;
        }
        #endregion
    }

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Web;

namespace WeiXinProject.Como
{
    /// <summary>
    /// HTTP請求工具類
    /// </summary>
    public class HttpRequestUtil
    {
        #region 請求Url
        #region 請求Url，不發送數據
        /// <summary>
        /// 請求Url，不發送數據
        /// </summary>
        public static string RequestUrl(string url)
        {
            return RequestUrl(url, "POST");
        }
        #endregion

        #region 請求Url，不發送數據
        /// <summary>
        /// 請求Url，不發送數據
        /// </summary>
        public static string RequestUrl(string url, string method)
        {
            // 設置參數
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            CookieContainer cookieContainer = new CookieContainer();
            request.CookieContainer = cookieContainer;
            request.AllowAutoRedirect = true;
            request.Method = method;
            request.ContentType = "text/html";
            request.Headers.Add("charset", "utf-8");

            //發送請求并獲取相應回應數據
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才開始向目標網頁發送Post請求
            Stream responseStream = response.GetResponseStream();
            StreamReader sr = new StreamReader(responseStream, Encoding.UTF8);
            //返回結果網頁（html）代碼
            string content = sr.ReadToEnd();
            return content;
        }
        #endregion

        #region 請求Url，發送數據
        /// <summary>
        /// 請求Url，發送數據
        /// </summary>
        public static string PostUrl(string url, string postData)
        {
            byte[] data = Encoding.UTF8.GetBytes(postData);

            // 設置參數
            HttpWebRequest request = WebRequest.Create(url) 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;
            Stream outstream = request.GetRequestStream();
            outstream.Write(data, 0, data.Length);
            outstream.Close();

            //發送請求并獲取相應回應數據
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才開始向目標網頁發送Post請求
            Stream instream = response.GetResponseStream();
            StreamReader sr = new StreamReader(instream, Encoding.UTF8);
            //返回結果網頁（html）代碼
            string content = sr.ReadToEnd();
            return content;
        }
        #endregion
        #endregion

        #region Http下載文件
        /// <summary>
        /// Http下載文件
        /// </summary>
        public static string HttpDownloadFile(string url, string path)
        {
            // 設置參數
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;

            //發送請求并獲取相應回應數據
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才開始向目標網頁發送Post請求
            Stream responseStream = response.GetResponseStream();

            //創建本地文件寫入流
            Stream stream = new FileStream(path, FileMode.Create);

            byte[] bArr = new byte[1024];
            int size = responseStream.Read(bArr, 0, (int)bArr.Length);
            while (size > 0)
            {
                stream.Write(bArr, 0, size);
                size = responseStream.Read(bArr, 0, (int)bArr.Length);
            }
            stream.Close();
            responseStream.Close();
            return path;
        }
        #endregion

        #region Http上傳文件
        /// <summary>
        /// Http上傳文件
        /// </summary>
        public static string HttpUploadFile(string url, string path)
        {
            // 設置參數
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            CookieContainer cookieContainer = new CookieContainer();
            request.CookieContainer = cookieContainer;
            request.AllowAutoRedirect = true;
            request.Method = "POST";
            string boundary = DateTime.Now.Ticks.ToString("X"); // 隨機分隔線
            request.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary;
            byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n");
            byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");

            int pos = path.LastIndexOf("\\");
            string fileName = path.Substring(pos + 1);

            //請求頭部信息 
            StringBuilder sbHeader = new StringBuilder(string.Format("Content-Disposition:form-data;name=\"file\";filename=\"{0}\"\r\nContent-Type:application/octet-stream\r\n\r\n", fileName));
            byte[] postHeaderBytes = Encoding.UTF8.GetBytes(sbHeader.ToString());

            FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read);
            byte[] bArr = new byte[fs.Length];
            fs.Read(bArr, 0, bArr.Length);
            fs.Close();

            Stream postStream = request.GetRequestStream();
            postStream.Write(itemBoundaryBytes, 0, itemBoundaryBytes.Length);
            postStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
            postStream.Write(bArr, 0, bArr.Length);
            postStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
            postStream.Close();

            //發送請求并獲取相應回應數據
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才開始向目標網頁發送Post請求
            Stream instream = response.GetResponseStream();
            StreamReader sr = new StreamReader(instream, Encoding.UTF8);
            //返回結果網頁（html）代碼
            string content = sr.ReadToEnd();
            return content;
        }
        #endregion

        #region 請求圖靈聊天機器人
        /// <summary>
        /// 請求圖靈聊天機器人
        /// </summary>
        public static string RequestTuling(string info)
        {
            info = HttpContext.Current.Server.UrlEncode(info);
            string url = "http://www.tuling123.com/openapi/api?key=8174df6702e9e5ab4c1396a20f5833ac&info=" + info;
            return RequestUrl(url, "get");
        }
        #endregion

    }
}

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Web;
using System.Xml;
using Tencent;

namespace WeiXinProject
{
    /// <summary>
    /// WeiXin 的摘要說明
    /// </summary>
    public class WeiXin : IHttpHandler
    {

        public void ProcessRequest(HttpContext context)
        {
            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))
                {
                    // Execute(postString);   postString為：" + postString
                    Como.LogUtil.WriteLog("========================1.WeiXin 服務器驗證========================= ");
                //    Como.LogUtil.WriteLog("postString為：" + postString);
                    JMMessage(postString);
                }
            }
            else
            {
                Auth();
            }
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
        /// <summary>
        /// 成為開發者的第一步，驗證并相應服務器的數據
        /// </summary>
        private void Auth()
        {
            #region 獲取關鍵參數
            string token = ConfigurationManager.AppSettings["CorpToken"];//從配置文件獲取Token
            if (string.IsNullOrEmpty(token))
            {
                Como.LogUtil.WriteLog(string.Format("CorpToken 配置項沒有配置！"));
            }
            string encodingAESKey = ConfigurationManager.AppSettings["EncodingAESKey"];//從配置文件獲取EncodingAESKey
            if (string.IsNullOrEmpty(encodingAESKey))
            {
                Como.LogUtil.WriteLog(string.Format("EncodingAESKey 配置項沒有配置！"));
            }
            string corpId = ConfigurationManager.AppSettings["CorpId"];//從配置文件獲取corpId
            if (string.IsNullOrEmpty(corpId))
            {
                Como.LogUtil.WriteLog(string.Format("CorpId 配置項沒有配置！"));
            }
            #endregion

            string echoString = HttpContext.Current.Request.QueryString["echoStr"];
            string signature = HttpContext.Current.Request.QueryString["msg_signature"];//企業號的 msg_signature
            string timestamp = HttpContext.Current.Request.QueryString["timestamp"];
            string nonce = HttpContext.Current.Request.QueryString["nonce"];

            string decryptEchoString = "";
            if (new CorpBasicApi().CheckSignature(token, signature, timestamp, nonce, corpId, encodingAESKey, echoString, ref decryptEchoString))
            {
                if (!string.IsNullOrEmpty(decryptEchoString))
                {
                    HttpContext.Current.Response.Write(decryptEchoString);
                    HttpContext.Current.Response.End();
                }
            }

            //

        }

        ///2.解密關注者消息 圖片 文字 等。。。。
        public void   JMMessage(string PostXML)
        {
            //公眾平臺上開發者設置的token, corpID, EncodingAESKey
            string sToken = ConfigurationManager.AppSettings["CorpToken"];
            string sCorpID = ConfigurationManager.AppSettings["CorpId"];
            string sEncodingAESKey = ConfigurationManager.AppSettings["EncodingAESKey"];
            
            Tencent.WXBizMsgCrypt wxcpt = new Tencent.WXBizMsgCrypt(sToken, sEncodingAESKey, sCorpID);
            string sReqMsgSig = HttpContext.Current.Request.QueryString["msg_signature"];
            string sReqTimeStamp=HttpContext.Current.Request.QueryString["timestamp"];
            string sReqNonce =HttpContext.Current.Request.QueryString["nonce"];
            string sReqData =PostXML;
            string sMsg = "";  // 解析之后的明文
            int ret = wxcpt.DecryptMsg(sReqMsgSig, sReqTimeStamp, sReqNonce, sReqData, ref sMsg);
            if (ret != 0)
            {
                System.Console.WriteLine("ERR: Decrypt Fail, ret: " + ret);
                Como.LogUtil.WriteLog("ERR: Decrypt Fail, ret: " + ret);
                return;
            }
            Como.LogUtil.WriteLog("解密后：XML：" + sMsg);
            XmlDocument doc = new XmlDocument();
            doc.LoadXml(sMsg);
            XmlNode root = doc.FirstChild;

            string MsgType = root["MsgType"].InnerText;
            Como.LogUtil.WriteLog("MsgType為：" + MsgType);

            string FromUserName = root["FromUserName"].InnerText;
            Como.LogUtil.WriteLog("消息人為：" + FromUserName);

            if (MsgType == "text")
            {
                string content = root["Content"].InnerText;
                Como.LogUtil.WriteLog("內容Content為：" + content);
                SendMsg.SendMessage(FromUserName, "您好，您說的啥俺聽不懂！");
            }
            string imgpath = "C:\\WeiXinImages\\";
            string NameImg = DateTime.Now.ToString("yyyyMMDDssff") + ".JPG";
            if (MsgType == "image")
            {
                Como.LogUtil.WriteLog("MsgType為：圖片");
                try
                {
                    string PicUrl = root["PicUrl"].InnerText;
                    Como.LogUtil.WriteLog("PicUrl為：" + PicUrl);
                   
                    Como.Tools.DownloadPicture(PicUrl, imgpath + NameImg, -1);
                }
                catch (Exception ex)
                {
                    Como.LogUtil.WriteLog("PicUrl異常為：" + ex.Message.ToString());
                }
                string imgpathUrl = imgpath + NameImg;
                SendMsg.SendMessage(FromUserName, "您好" + FromUserName + "：圖片路徑為：" + imgpathUrl);
            }
 
        }
         
    
    }


    /// <summary>
    /// 企業號基礎操作API實現
    /// </summary>
    public class CorpBasicApi       //: ICorpBasicApi
    {
        /// <summary>
        /// 驗證企業號簽名
        /// </summary>
        /// <param name="token">企業號配置的Token</param>
        /// <param name="signature">簽名內容</param>
        /// <param name="timestamp">時間戳</param>
        /// <param name="nonce">nonce參數</param>
        /// <param name="corpId">企業號ID標識</param>
        /// <param name="encodingAESKey">加密鍵</param>
        /// <param name="echostr">內容字符串</param>
        /// <param name="retEchostr">返回的字符串</param>
        /// <returns></returns>
        public bool CheckSignature(string token, string signature, string timestamp, string nonce, string corpId, string encodingAESKey, string echostr, ref string retEchostr)
        {
            WXBizMsgCrypt wxcpt = new WXBizMsgCrypt(token, encodingAESKey, corpId);
            int result = wxcpt.VerifyURL(signature, timestamp, nonce, echostr, ref retEchostr);
            if (result != 0)
            {
                Como.LogUtil.WriteLog("ERR: VerifyURL fail, ret: " + result);
                return false;
            }

            return true;

            //ret==0表示驗證成功，retEchostr參數表示明文，用戶需要將retEchostr作為get請求的返回參數，返回給企業號。
            // HttpUtils.SetResponse(retEchostr);
        }
    }

    /// <summary>
    /// 回復消息類
    /// </summary>
    public class SendMsg
    {
        /// <summary>
        /// 回復消息
        /// </summary>
        /// <param name="UserID">回復的指定人</param>
        /// <param name="StrMessg">消息內容</param>
        public static void SendMessage(string UserID, string StrMessg)
        {
            Como.LogUtil.WriteLog("開始回復用戶消息，用戶：" + UserID);
            string Access_Token = Como.GetAccessToken.GetAccess_token();
            if (Access_Token == "")
                Como.LogUtil.WriteException("SendMessage 未能成功加載Access_Token");
            string Text = @"{
   ""touser"":";
            Text += '"' + UserID + '"';
            Text += "," + '"' + @"msgtype"": ""text"", 
           ""agentid"": ""3"", 
            ""text"": {
           ""content"":";
            Text += '"' + StrMessg + '"';
            Text += @"}, 
    ""safe"": ""0""
}";
            string url = String.Format("https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token={0}", Access_Token);
            string strResult = Como.Tools.GetPage(url, Text);

            JArray ja = (JArray)JsonConvert.DeserializeObject("[" + strResult + "]");
            string Error = "";
            try
            {
                if (strResult.Contains("errcode"))
                {
                    Error = ja[0]["errcode"].ToString();
                    Como.LogUtil.WriteLog(strResult);
                }
            }
            catch (Exception ex)
            {
                Como.LogUtil.WriteException("獲取access_token,未獲取到錯誤信息" + ex.Message.ToString());
            }
            string errcode = ja[0]["errcode"].ToString();
            string errmsg = ja[0]["errmsg"].ToString();
            if (errcode == "0" && errmsg == "ok")
            {
                Como.LogUtil.WriteLog("回復成功！");
            }
            else
            {
                Como.LogUtil.WriteLog("回復失敗！");
            }
        }
    }
}

View Code

   public class SHA1UtilHelper
    {
        /// <summary>
        /// 簽名算法
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string GetSha1(string str)
        {
            //建立SHA1對象
            SHA1 sha = new SHA1CryptoServiceProvider();
            //將mystr轉換成byte[] 
            ASCIIEncoding enc = new ASCIIEncoding();
            byte[] dataToHash = enc.GetBytes(str);
            //Hash運算
            byte[] dataHashed = sha.ComputeHash(dataToHash);
            //將運算結果轉換成string
            string hash = BitConverter.ToString(dataHashed).Replace("-", "");
            return hash;
        }
    }

View Code

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C# 微信開發微信號接入（附完整源碼）（1）

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C# 微信開發 微信號接入 （附完整源碼）（1）

C# 微信開發微信號接入（附完整源碼）（1）