ASP.NET WeChat public account customer service interface

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"></param>
  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 &#39;%" + username + "%&#39;");
 
   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 += "<P><FONT size=3>" + ls_isright + "</FONT></P>";
  }
 
  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 = @"{
       &#39;kf_account&#39; : &#39;test1@gz-sisosoft&#39;,
       &#39;nickname&#39; : &#39;客服1&#39;,
       &#39;password&#39; : &#39;123456&#39;,
      }";
   string ls_isok = SysVisitor.Current.PostPage(url, ls_text);
   MessageBox.Show(ls_isok);
  }
 
  private void Kf_account_Load(object sender, EventArgs e)
  {
  }
 }

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>
 /// <param name="secret">appsecret</param>
 /// <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</param>
 /// <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>
 /// <param name="postData">Post数据</param>
 /// <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"></param>
 /// <returns></returns>
 public string GetFormatStr(string str)
 {
  if ("" == str)
   return "";
  else
  {
   str = str.Trim();
   str = str.Replace("&#39;", "&#39;");
   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;
  }
 }
}

class INIFile
{
 ///// <summary>
 ///// 设置INI文件参数
 ///// </summary>
 ///// <param name="section">INI文件中的段落</param>
 ///// <param name="key">INI文件中的关键字</param>
 ///// <param name="val">INI文件中关键字的数值</param>
 ///// <param name="filePath">INI文件的完整的路径和名称</param>
 ///// <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>
 ///// <param name="key">INI文件中的关键字</param>
 ///// <param name="def">无法读取时候时候的缺省数值</param>
 ///// <param name="retVal">读取数值</param>
 ///// <param name="size">数值的大小</param>
 ///// <param name="filePath">INI文件的完整路径和名称</param>
 //[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>
 ///// <param name="as_key">INI文件中的关键字</param>
 ///// <param name="as_FileName">INI文件的完整路径和名称</param>
 //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>
 ///// <param name="as_key">INI文件中的关键字</param>
 ///// <param name="as_FileName">INI文件的完整路径和名称</param>
 //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>
 ///// <param name="as_key">INI文件中的关键字</param>
 ///// <param name="as_Value">INI文件中关键字的数值</param>
 ///// <param name="as_FileName">INI文件的完整路径和名称</param>
 //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>
 ///// <param name="as_key">INI文件中的关键字</param>
 ///// <param name="as_Value">INI文件中关键字的数值</param>
 //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>
 /// <param name="key">键</param>
 /// <param name="val">值</param>
 /// <param name="filepath">文件路径</param>
 /// <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>
 /// <param name="key">键</param>
 /// <param name="val">值</param>
 /// <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>
 /// <param name="key">键</param>
 /// <param name="def">值</param>
 /// <param name="retval">stringbulider对象</param>
 /// <param name="size">字节大小</param>
 /// <param name="filePath">文件路径</param>
 /// <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>
 /// <param name="key">键</param>
 /// <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>
 /// <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>
 /// <param name="nSize">缓冲区的大小</param>
 /// <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</param>
 /// <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>
 /// <param name="filePath">ini文件的绝对路径</param>
 /// <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&#39;\0&#39;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>
 /// <param name="key">要删除的键</param>
 /// <param name="fileName">INI文件的完整路径和文件名</param>
 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;
 } 
}