微信公众号开发客服接口实例代码

最近，开发微信公众号，负责开发客服功能，这里简单记录下：

kf_account.cs代码:

public partial class kf_account : form
  {
    private readonly datatable adt_user = new datatable();
    private readonly string as_inifile = application.startuppath + "\\user.ini";

    public kf_account()
    {
      binduser();
    }

    private void binduser()
    {
      if (!file.exists(as_inifile))
      {
        var str = new stringbuilder();
        str.append(";内容由程序自动生成，请不要修改此文件内容\r\n");
        str.append("[total]\r\n");
        str.append("total=\r\n");
        str.append("[count]\r\n");
        str.append("count=\r\n");
        str.append("[user]\r\n");
        //streamwriter sw = default(streamwriter);
        //sw = file.createtext(ls_inifile);
        //sw.writeline(str.tostring());
        //sw.close();
        file.writealltext(as_inifile, str.tostring(), encoding.unicode);
        file.setattributes(as_inifile, fileattributes.hidden);
      }
      checkforillegalcrossthreadcalls = false;
      initializecomponent();
      icon = resource1.ico;
      lkl_num.text = inifile.contentvalue("total", "total", as_inifile);
      lkl_num_c.text = inifile.contentvalue("count", "count", as_inifile);
      picturebox1.visible = true;
      var sr = new streamreader(as_inifile, encoding.unicode);
      string line;
      int li_count = 0;
      adt_user.columns.clear();
      adt_user.columns.add("username", type.gettype("system.string"));
      adt_user.columns.add("openid", type.gettype("system.string"));
      while ((line = sr.readline()) != null)
      {
        li_count++;
        if (li_count > 6)
        {
          line = sysvisitor.current.getformatstr(line);
          datarow newrow;
          newrow = adt_user.newrow();
          newrow["username"] = line.substring(0, line.lastindexof('='));
          newrow["openid"] = line.substring(line.lastindexof('=') + 1);
          adt_user.rows.add(newrow);
        }
      }
      sr.close();
      datagridview1.autogeneratecolumns = false;
      datagridview1.datasource = adt_user;
      //datagridview1.autosizecolumnsmode = system.windows.forms.datagridviewautosizecolumnsmode.displayedcells;
      lbl_count.text = "共" + (li_count - 6) + "行";
      picturebox1.visible = false;
    }

    private void btn_getuser_click(object sender, eventargs e)
    {
      if (messagebox.show(@"拉取用户信息的速度取决于你的关注数与网络速度，
可能需要几分钟甚至更长时间。
使用此功能将消耗大量用户管理接口配额。
要继续此操作吗？",
        "提示：", messageboxbuttons.yesno) == dialogresult.no)
      {
        return;
      }
      var thr = new thread(get_user_list);
      thr.start();
    }

    private void get_user_list()
    {
      file.delete(as_inifile);
      var str = new stringbuilder();
      str.append(";内容由程序自动生成，请不要修改此文件内容\r\n");
      str.append("[total]\r\n");
      str.append("total=\r\n");
      str.append("[count]\r\n");
      str.append("count=\r\n");
      str.append("[user]\r\n");
      file.writealltext(as_inifile, str.tostring(), encoding.unicode);
      file.setattributes(as_inifile, fileattributes.hidden);

      string ls_appid = inifile.contentvalue("weixin", "appid");
      string ls_secret = inifile.contentvalue("weixin", "appsecret");
      string access_token = "";
      string menu = "";
      if (ls_appid.length != 18 || ls_secret.length != 32)
      {
        messagebox.show("你的appid或appsecret不对，请检查后再操作");
        return;
      }
      access_token = sysvisitor.current.get_access_token(ls_appid, ls_secret);
      if (access_token == "")
      {
        messagebox.show("appid或appsecret不对，请检查后再操作");
        return;
      }
      menu = sysvisitor.current.getpageinfo("https://api.weixin.qq.com/cgi-bin/user/get?access_token=" + access_token);
      if (menu.substring(2, 7) == "errcode")
      {
        messagebox.show("拉取失败，返回消息：\r\n" + menu);
      }

      jobject json = jobject.parse(menu);
      lkl_num.text = json["total"].tostring();
      inifile.setinistring("total", "total", lkl_num.text, as_inifile);
      lkl_num_c.text = json["count"].tostring();
      inifile.setinistring("count", "count", lkl_num_c.text, as_inifile);
      int li_count = int.parse(json["count"].tostring());
      btn_getuser.enabled = false;
      picturebox1.visible = true;
      filestream fs = null;
      encoding encoder = encoding.unicode;
      for (int i = 0; i < li_count; i++)
      {
        string openid, username;
        openid = get_username(json["data"]["openid"][i].tostring());
        username = json["data"]["openid"][i].tostring();
        //inifile.setinistring("user", openid, username, as_inifile);
        byte[] bytes = encoder.getbytes(openid + "=" + username + " \r\n");
        fs = file.openwrite(as_inifile);
        //设定书写的開始位置为文件的末尾
        fs.position = fs.length;
        //将待写入内容追加到文件末尾
        fs.write(bytes, 0, bytes.length);
        fs.close();
        lab_nums.text = "已拉取" + i + "个，还剩" + (li_count - i) + "个，请耐心等待";
      }
      lab_nums.text = "";
      //binduser();
      btn_getuser.enabled = true;
      picturebox1.visible = false;
      messagebox.show("已全部拉取完毕,请重新打开该窗口");
    }

    /// <summary>
    ///   获取用户信息详情，返回json
    /// </summary>
    ///<param name="as_openid">
    private string get_user(string as_openid)
    {
      string ls_json = "";
      string access_token = "";
      access_token = sysvisitor.current.get_access_token();
      ls_json =
        sysvisitor.current.getpageinfo("https://api.weixin.qq.com/cgi-bin/user/info?access_token=" + access_token + "&openid=" + as_openid + "&lang=zh_cn");
      return ls_json;
    }

    /// <summary>
    ///   获取用户用户的昵称
    /// </summary>
    private string get_username(string as_openid)
    {
      string ls_json = "";
      ls_json = get_user(as_openid);
      string username = "";
      jobject json = jobject.parse(ls_json);
      username = json["nickname"].tostring();
      username = sysvisitor.current.getformatstr(username);
      return username;
    }

    private void btn_search_click(object sender, eventargs e)
    {
      string username = txt_search.text.trim();
      if (string.isnullorwhitespace(username))
      {
        return;
      }
      datarow[] datarows = adt_user.select("username like '%" + username + "%'");

      var ldt = new datatable();
      ldt.columns.clear();
      ldt.columns.add("username", type.gettype("system.string"));
      ldt.columns.add("openid", type.gettype("system.string"));
      ldt = todatatable(datarows);
      try
      {
        lbl_count.text = ldt.rows.count.tostring();
      }
      catch
      {
      }
      datagridview1.autogeneratecolumns = false;
      datagridview1.datasource = ldt;
    }

    public datatable todatatable(datarow[] rows)
    {
      if (rows == null || rows.length == 0) return null;
      datatable tmp = rows[0].table.clone(); // 复制datarow的表结构
      foreach (datarow row in rows)
        tmp.rows.add(row.itemarray); // 将datarow添加到datatable中
      return tmp;
    }

    private void datagridview1_cellmouseclick(object sender, datagridviewcellmouseeventargs e)
    {
      try
      {
        sysvisitor.current.wx_openid =
          datagridview1.rows[datagridview1.currentcell.rowindex].cells[1].value.tostring();
        sysvisitor.current.wx_username =
          datagridview1.rows[datagridview1.currentcell.rowindex].cells[0].value.tostring();
        //messagebox.show(str);
        grb_chat.enabled = true;
        grb_chat.text = sysvisitor.current.wx_username;
      }
      catch
      {

      }
      webbrowser_msg.documenttext = "";
      string url = string.format("https://api.weixin.qq.com/cgi-bin/customservice/getrecord?access_token={0}",
        sysvisitor.current.get_access_token());
      string ls_text = @"{";
      ls_text += "\"starttime\" : " + datetime.now.adddays(-3).ticks + ",";
      ls_text += "\"endtime\" : " + datetime.now.ticks + ",";
      ls_text += "\"openid\" : \"" + sysvisitor.current.wx_openid + "\",";
      ls_text += "\"pagesize\" : 1000,";
      ls_text += "\"pageindex\" : 1,";
      ls_text += "}";
      string ls_history = sysvisitor.current.postpage(url, ls_text);
      webbrowser_msg.documenttext = ls_history;
    }

    private void btn_send_click(object sender, eventargs e)
    {
      string ls_msg = richtextbox_msg.text;
      string ls_text = @"{";
      ls_text += "\"touser\":\"" + sysvisitor.current.wx_openid + "\",";
      ls_text += "\"msgtype\":\"text\",";
      ls_text += "\"text\":";
      ls_text += "{";
      ls_text += "\"content\":\"" + ls_msg + "\"";
      ls_text += "}";
      ls_text += "}";
      string url = string.format("https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token={0}",
        sysvisitor.current.get_access_token());
      string ls_isright = sysvisitor.current.postpage(url, ls_text);

      webbrowser_msg.documenttext += "
" + ls_isright + "

"; } private void btn_addkf_click(object sender, eventargs e) { string url = string.format("https://api.weixin.qq.com/customservice/kfaccount/add?access_token={0}", sysvisitor.current.get_access_token()); //客服账号 设置 xxx@你的公众号 这样的格式才是正确的哟。 string ls_text = "{"; ls_text += "\"kf_account\":test2@gz-sisosoft,"; ls_text += "\"nickname\":\"客服2\","; ls_text += "\"password\":\"12345\","; ls_text += "}"; string ls_kf = @"{ 'kf_account' : 'test1@gz-sisosoft', 'nickname' : '客服1', 'password' : '123456', }"; string ls_isok = sysvisitor.current.postpage(url, ls_text); messagebox.show(ls_isok); } private void kf_account_load(object sender, eventargs e) { } }

sysvisitor.cs代码:

class sysvisitor
 {
   private static sysvisitor visit = null;
   public static sysvisitor current
   {
     get
     {
       if (visit == null)
         visit = new sysvisitor();

       return visit;
     }
   }
   /// <summary>
   /// 获取access_token
   /// </summary>
   ///<param name="appid">appid
   ///<param name="secret">appsecret
   /// <returns></returns>
   public string get_access_token(string appid, string appsecret)
   {
     string secondappid = inifile.contentvalue("weixin", "secondappid");
     if (appid.tolower() == secondappid.tolower())
     {
       string ls_time = inifile.contentvalue("weixin", "gettime");
       decimal ldt;
       try
       {
         ldt = convert.todecimal(ls_time);
         if (convert.todecimal(datetime.now.tostring("yyyymmddhhmmss")) - ldt < 7100)//每两个小时刷新一次
         {
           return inifile.contentvalue("weixin", "access_token");
         }
       }
       catch
       { }
     }
     string ls_appid = appid.replace(" ", "");
     string ls_secret = appsecret.replace(" ", "");
     string access_token = "";
     string url = string.format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", ls_appid, ls_secret);
     string json_access_token = getpageinfo(url);
     //datatable dt = json.jsontodatatable(json_access_token);
     datatable dt = jsonhelper.jsontodatatable(json_access_token);
     try
     {
       access_token = dt.rows[0]["access_token"].tostring();
     }
     catch
     {
       return "";
     }
     inifile.setinistring("weixin", "gettime", datetime.now.tostring("yyyymmddhhmmss"));
     inifile.setinistring("weixin", "access_token", access_token);
     inifile.setinistring("weixin", "secondappid", ls_appid);

     return access_token;
   }

   /// <summary>
   /// 获取access_token
   /// </summary>
   public string get_access_token()
   {
     string ls_appid = inifile.contentvalue("weixin", "appid");
     string ls_secret = inifile.contentvalue("weixin", "appsecret");
     return get_access_token(ls_appid, ls_secret);
   }

   /// <summary>
   /// get方法请求url并接收返回消息
   /// </summary>
   ///<param name="strurl">url地址
   /// <returns></returns>
   public string getpageinfo(string url)
   {
     httpwebrequest request = (httpwebrequest)httpwebrequest.create(url);
     httpwebresponse response = (httpwebresponse)request.getresponse();

     string ret = string.empty;
     stream s;
     string strdate = "";
     string strvalue = "";

     if (response.statuscode == httpstatuscode.ok)
     {
       s = response.getresponsestream();
       ////在这儿处理返回的文本
       streamreader reader = new streamreader(s, encoding.utf8);

       while ((strdate = reader.readline()) != null)
       {
         strvalue += strdate + "\r\n";
       }
       //strvalue = reader.readtoend();
     }
     return strvalue;
   }

   /// <summary>
   /// post方法
   /// </summary>
   ///<param name="posturl">url
   ///<param name="postdata">post数据
   /// <returns></returns>
   public string postpage(string posturl, 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(posturl) 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>
   /// 格式化字符串
   /// </summary>
   ///<param name="str">
   /// <returns></returns>
   public string getformatstr(string str)
   {
     if ("" == str)
       return "";
     else
     {
       str = str.trim();
       str = str.replace("'", "'");
       str = str.replace("〈", "<");
       str = str.replace("〉", ">");
       str = str.replace("，", ",");
       return str;
     }
   }
   string ls_username = "";
   /// <summary>
   /// 用户名
   /// </summary>
   public string wx_username
   {
     get
     {
       return ls_username;
     }
     set
     {
       ls_username = value;
     }
   }
   string ls_openid = "";
   /// <summary>
   /// openid
   /// </summary>
   public string wx_openid
   {
     get
     {
       return ls_openid;
     }
     set
     {
       ls_openid = value;
     }
   }
 }

inifile.cs代码:

class inifile
  {
    ///// <summary>
    ///// 设置ini文件参数
    ///// </summary>
    /////<param name="section">ini文件中的段落
    /////<param name="key">ini文件中的关键字
    /////<param name="val">ini文件中关键字的数值
    /////<param name="filepath">ini文件的完整的路径和名称
    ///// <returns></returns>
    //[dllimport("kernel32")]
    //private static extern long writeprivateprofilestring(
    //  string section, string key, string val, string filepath);

    ///// <summary>
    ///// 获取ini文件参数
    ///// </summary>
    /////<param name="section">ini文件中的段落名称
    /////<param name="key">ini文件中的关键字
    /////<param name="def">无法读取时候时候的缺省数值
    /////<param name="retval">读取数值
    /////<param name="size">数值的大小
    /////<param name="filepath">ini文件的完整路径和名称
    //[dllimport("kernel32")]
    //private static extern int getprivateprofilestring(
    //  string section, string key, string def, stringbuilder retval, int size, string filepath);

    //static string gs_filename = system.appdomain.currentdomain.basedirectory + "config.ini";

    ///// <summary>
    ///// 获取ini文件参数
    ///// </summary>
    /////<param name="as_section">ini文件中的段落名称
    /////<param name="as_key">ini文件中的关键字
    /////<param name="as_filename">ini文件的完整路径和名称
    //public static string getinistring(string as_section, string as_key, string as_filename)
    //{
    //  stringbuilder temp = new stringbuilder(255);
    //  int i = getprivateprofilestring(as_section, as_key, "", temp, 255, as_filename);
    //  return temp.tostring();
    //}
    ///// <summary>
    ///// 获取ini文件参数
    ///// </summary>
    /////<param name="as_section">ini文件中的段落名称
    /////<param name="as_key">ini文件中的关键字
    /////<param name="as_filename">ini文件的完整路径和名称
    //public static string getinistring(string as_section, string as_key)
    //{
    //  return getinistring(as_section, as_key, gs_filename);
    //}

    ///// <summary>
    ///// 设置ini文件参数
    ///// </summary>
    /////<param name="as_section">ini文件中的段落
    /////<param name="as_key">ini文件中的关键字
    /////<param name="as_value">ini文件中关键字的数值
    /////<param name="as_filename">ini文件的完整路径和名称
    //public static long setinistring(string as_section, string as_key, string as_value, string as_filename)
    //{
    //  return writeprivateprofilestring(as_section, as_key, as_value, as_filename);
    //}
    ///// <summary>
    ///// 设置ini文件参数
    ///// </summary>
    /////<param name="as_section">ini文件中的段落
    /////<param name="as_key">ini文件中的关键字
    /////<param name="as_value">ini文件中关键字的数值
    //public static long setinistring(string as_section, string as_key, string as_value)
    //{
    //  return setinistring(as_section, as_key, as_value, gs_filename);
    //}
    /// <summary>
    /// 写入ini文件
    /// </summary>
    ///<param name="section">节点名称[如[typename]]
    ///<param name="key">键
    ///<param name="val">值
    ///<param name="filepath">文件路径
    /// <returns></returns>
    [dllimport("kernel32")]
    public static extern long writeprivateprofilestring(string section, string key, string val, string filepath);
    [dllimport("kernel32.dll")]
    public extern static int getprivateprofilesectionnamesa(byte[] buffer, int ilen, string filename);
    /// <summary>
    /// 写入ini文件(section:节点名称 key:键 val:值)
    /// </summary>
    ///<param name="section">节点名称
    ///<param name="key">键
    ///<param name="val">值
    /// <returns></returns>
    public static long setinistring(string section, string key, string val, string as_filepath = "")
    {
      if (as_filepath == "")
      {
        return (writeprivateprofilestring(section, key, val, strfilepath));
      }
      else
      {
        return (writeprivateprofilestring(section, key, val, as_filepath));
      }
    }
    /// <summary>
    /// 读取ini文件
    /// </summary>
    ///<param name="section">节点名称
    ///<param name="key">键
    ///<param name="def">值
    ///<param name="retval">stringbulider对象
    ///<param name="size">字节大小
    ///<param name="filepath">文件路径
    /// <returns></returns>
    [dllimport("kernel32")]
    public static extern int getprivateprofilestring(string section, string key, string def, stringbuilder retval, int size, string filepath);
    public static string strfilepath = application.startuppath + "\\config.ini";//获取ini文件默认路径
    public static string strsec = "";

    //ini文件名


    /// <summary>
    /// 读取ini文件中的内容方法 (section 节点名称;key 键)
    /// </summary>
    ///<param name="section">节点名称
    ///<param name="key">键
    /// <returns></returns>
    public static string contentvalue(string section, string key, string as_filepath = "")
    {

      stringbuilder temp = new stringbuilder(1024);
      if (as_filepath == "")
      {
        getprivateprofilestring(section, key, "", temp, 1024, strfilepath);
      }
      else
      {
        getprivateprofilestring(section, key, "", temp, 1024, as_filepath);
      }
      return temp.tostring();
    }
    /// <summary>
    /// 获取指定小节所有项名和值的一个列表
    /// </summary>
    ///<param name="section">节 段，欲获取的小节。注意这个字串不区分大小写
    ///<param name="buffer">缓冲区 返回的是一个二进制的串，字符串之间是用"\0"分隔的
    ///<param name="nsize">缓冲区的大小
    ///<param name="filepath">初始化文件的名字。如没有指定完整路径名，windows就在windows目录中查找文件
    /// <returns></returns>
    [dllimport("kernel32")]
    public static extern int getprivateprofilesection(string section, byte[] buffer, int nsize, string filepath);
    /// <summary>
    /// 获取指定段section下的所有键值对 返回集合的每一个键形如"key=value"
    /// </summary>
    ///<param name="section">指定的段落
    ///<param name="filepath">ini文件的绝对路径
    /// <returns></returns>
    public static list<string> readkeyvalues(string section, string as_filepath = "")
    {
      byte[] buffer = new byte[32767];
      list<string> list = new list<string>();
      int length = 0;
      if (as_filepath == "")
      {
        length = getprivateprofilesection(section, buffer, buffer.getupperbound(0), strfilepath);
      }
      else
      {
        length = getprivateprofilesection(section, buffer, buffer.getupperbound(0), as_filepath);
      }
      string temp;
      int postion = 0;
      for (int i = 0; i < length; i++)
      {
        if (buffer[i] == 0x00) //以'\0'来作为分隔
        {
          temp = system.text.asciiencoding.default.getstring(buffer, postion, i - postion).trim();
          postion = i + 1;
          if (temp.length > 0)
          {
            list.add(temp);
          }
        }
      }
      return list;
    }
    /// <summary>
    /// 删除指定的key
    /// </summary>
    ///<param name="section">要写入的段落名
    ///<param name="key">要删除的键
    ///<param name="filename">ini文件的完整路径和文件名
    public static void delkey(string section, string key, string as_filepath = "")
    {
      if (as_filepath == "")
      {
        writeprivateprofilestring(section, key, null, strfilepath);
      }
      else
      {
        writeprivateprofilestring(section, key, null, as_filepath);
      }
    }
    /// <summary>
    /// 返回该配置文件中所有section名称的集合
    /// </summary>
    public static arraylist readsections()
    {
      byte[] buffer = new byte[65535];
      int rel = getprivateprofilesectionnamesa(buffer, buffer.getupperbound(0), strfilepath);
      int icnt, ipos;
      arraylist arraylist = new arraylist();
      string tmp;
      if (rel > 0)
      {
        icnt = 0; ipos = 0;
        for (icnt = 0; icnt < rel; icnt++)
        {
          if (buffer[icnt] == 0x00)
          {
            tmp = system.text.asciiencoding.utf8.getstring(buffer, ipos, icnt - ipos).trim();
            ipos = icnt + 1;
            if (tmp != "")
              arraylist.add(tmp);
          }
        }
      }
      return arraylist;
    }
  }</string></string></string>

运行结果:

这里写图片描述

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