改进了的一个邮件发送类

/******************************************************   
FileName:
Copyright  (c)  2003-xxxx *********公司技术开发部
Writer:
create Date:2004-12-20
Rewriter:
Rewrite Date:
Impact:
Main Content:（Function Name、parameters、returns）
支持ESMTP, 多附件
******************************************************/

using System;
using System.Collections;
using System.Net.Sockets;
using System.IO;
using System.Text;

namespace Edu.Stu.Common.Mail
{
 ///<summary>
 /// Module ID：0005
 /// Depiction：发送邮件，支持ESMTP, 多附件
 /// Wreter:Nick
 /// Create Date;2004-12-20
 ///</summary>
 public class MailSender
 {

  #region "Fields"
  private string m_strFromName = "";
  private string[] m_strTo = null;
  private string m_strFrom = "";
  private string m_strPassWord = "";
  private string m_strUserName = "";
  private int m_iPort = 25;
  private string m_strServer = "";
  private int m_iPriority = 3;
  private string m_strEncoding = "8bit";
  private string m_strLanguageEncoding = "GB2312";
  private bool m_bIsHtml = true;
  private string m_strHtmlBody = "";
  private string m_strTxtBody = "";
  private string m_strSubject = "";
  private string m_strToName = "";
  private ArrayList m_alAttachments = new ArrayList ();
  #endregion

  #region "Propertes"
  /// <summary>
  /// SMTP服务器域名
  /// </summary>
  public string Server
  {
   get { return m_strServer; }
   set { if (value != m_strServer) m_strServer = value; }
  }
  
  /// <summary>
  /// SMTP服务器端口 [默认为25]
  /// </summary>
  public int Port {
   get { return m_iPort; }
   set { if (value != m_iPort) m_iPort = value; }
  }

  /// <summary>
  /// 用户名 [如果需要身份验证的话]
  /// </summary>
  public string UserName
  {
   get { return m_strUserName; }
   set { if (value != m_strUserName) m_strUserName = value; }
  }

  /// <summary>
  /// 密码 [如果需要身份验证的话]
  /// </summary>
  public string Password
  {
   get { return m_strPassWord; }
   set { if (value != m_strPassWord) m_strPassWord = value; }
  }

  /// <summary>
  /// 发件人地址
  /// </summary>
  public string From
  {
   get { return m_strFrom; }
   set { if (value != m_strFrom) m_strFrom = value;}
  }

  /// <summary>
  /// 收件人地址
  /// </summary>
  public string[] To
  {
   get { return m_strTo; }
   set { if (value != m_strTo) m_strTo = value;}
  }

  /// <summary>
  /// 发件人姓名
  /// </summary>
  public string FromName
  {
   get { return m_strFromName; }
   set { if (value != m_strFromName) m_strFromName = value; }
  }

  /// <summary>
  /// 收件人姓名
  /// </summary>
  public string ToName
  {
   get { return m_strToName; }
   set { if (value != m_strToName) m_strToName = value; }
  }
  

  /// <summary>
  /// 邮件的主题
  /// </summary>
  public string Subject
  {
   get { return m_strSubject; }
   set { if (value != m_strSubject) m_strSubject = value; }
  }

  /// <summary>
  /// 邮件正文
  /// </summary>
  public string Body
  {
   get { return m_strTxtBody; }
   set { if (value != m_strTxtBody) m_strTxtBody = value; }
  }

  /// <summary>
  /// 超文本格式的邮件正文
  /// </summary>
  public string HtmlBody {
   get { return m_strHtmlBody; }
   set { if (value != m_strHtmlBody) m_strHtmlBody = value; }
  }

  /// <summary>
  /// 是否是html格式的邮件
  /// </summary>
  public bool IsHtml
  {
   get { return m_bIsHtml; }
   set { if (value != m_bIsHtml) m_bIsHtml = value; }
  }

  /// <summary>
  /// 语言编码 [默认为GB2312]
  /// </summary>
  public string LanguageEncoding
  {
   get { return m_strLanguageEncoding; }
   set { if (value != m_strLanguageEncoding) m_strLanguageEncoding = value; }
  }

  /// <summary>
  /// 邮件编码 [默认为8bit]
  /// </summary>
  public string MailEncoding
  {
   get { return m_strEncoding; }
   set { if (value != m_strEncoding) m_strEncoding = value; }
  }

  /// <summary>
  /// 邮件优先级 [默认为3]
  /// </summary>
  public int Priority
  {
   get { return m_iPriority; }
   set { if (value != m_iPriority) m_iPriority = value; }
  }

  /// <summary>
  /// 附件 [AttachmentInfo]
  /// </summary>
  public IList Attachments
  {
   get { return m_alAttachments; }
//   set { if (value != m_alAttachments) m_alAttachments = value; }
  }
  
  #endregion

  #region "Struct AttachmentInfo"
  /// <summary>
  /// 附件信息
  /// </summary>
  public struct AttachmentInfo
  {
   /// <summary>
   /// 附件的文件名 [如果输入路径，则自动转换为文件名]
   /// </summary>
   public string FileName
   {
    get { return fileName; }
    set { fileName = Path.GetFileName(value); }
   } private string fileName;

   /// <summary>
   /// 附件的内容 [由经Base64编码的字节组成]
   /// </summary>
   public string Bytes
   {
    get { return bytes; }
    set { if (value != bytes) bytes = value; }
   } private string bytes;

   /// <summary>
   /// 从流中读取附件内容并构造
   /// </summary>
   /// <param name="p_strFileName">附件的文件名</param>
   /// <param name="p_stream">流</param>
   public AttachmentInfo (string p_strFileName, Stream p_stream)
   {
    fileName = Path.GetFileName (p_strFileName);
    byte[] by = new byte [p_stream.Length];
    p_stream.Read (by,0,(int)p_stream.Length); // 读取文件内容
    //格式转换
    bytes = Convert.ToBase64String (by); // 转化为base64编码
   }

   /// <summary>
   /// 按照给定的字节构造附件
   /// </summary>
   /// <param name="p_strFileName">附件的文件名</param>
   /// <param name="ibytes">附件的内容 [字节]</param>
   public AttachmentInfo (string p_strFileName, byte[] ibytes)
   {
    fileName = Path.GetFileName (p_strFileName);
    bytes = Convert.ToBase64String (ibytes); // 转化为base64编码
   }

   /// <summary>
   /// 从文件载入并构造
   /// </summary>
   /// <param name="p_strPath"></param>
   public AttachmentInfo (string p_strPath)
   {
    fileName = Path.GetFileName (p_strPath);
    FileStream file = new FileStream (p_strPath, FileMode.Open);
    byte[] by = new byte [file.Length];
    file.Read (by,0,(int)file.Length); // 读取文件内容
    //格式转换
    bytes = Convert.ToBase64String (by); // 转化为base64编码
    file.Close ();
   }
  }
  #endregion

  #region "Functions"
  /// <summary>
  /// 发送邮件
  /// </summary>
  private void SendMail()
  {
   // 创建TcpClient对象， 并建立连接
   TcpClient tcpNewClient = null;
   try
   {
    tcpNewClient = new TcpClient (m_strServer, m_iPort);
   }
   catch (Exception)
   {
    throw new Exception ("无法连接服务器");
   }
   
   ReadString (tcpNewClient.GetStream());//获取连接信息

   // 开始进行服务器认证
   // 如果状态码是250则表示操作成功
   if (!Command (tcpNewClient.GetStream(), "EHLO Localhost", "250"))
   {
    tcpNewClient.Close();
    throw new Exception ("登陆阶段失败");
   }

   if (m_strUserName != "")
   {
    // 需要身份验证
    if (!Command (tcpNewClient.GetStream(), "AUTH LOGIN", "334"))
    {
     tcpNewClient.Close();
     throw new Exception ("身份验证阶段失败");
    }
    
    // 此处将username转换为Base64码
    string nameB64 = ToBase64 (m_strUserName);
    if (!Command (tcpNewClient.GetStream(), nameB64, "334"))
    {
     tcpNewClient.Close();
     throw new Exception ("身份验证阶段失败");
    }
    
    // 此处将m_strPassWord转换为Base64码
    string passB64 = ToBase64 (m_strPassWord);
    if (!Command (tcpNewClient.GetStream(), passB64, "235"))
    {
     tcpNewClient.Close();
     throw new Exception ("身份验证阶段失败");
    }
   }

   // 准备发送
   WriteString (tcpNewClient.GetStream(), "mail From: " + m_strFrom);
   for(int i=0;i<m_strTo.Length;i++)
   {
    WriteString (tcpNewClient.GetStream(), "rcpt m_strTo: " + m_strTo[i]);
   }
   WriteString (tcpNewClient.GetStream(), "data");

   // 发送邮件头
   WriteString (tcpNewClient.GetStream(), "Date: " + DateTime.Now); // 时间
   WriteString (tcpNewClient.GetStream(), "From: " + m_strFromName + "<" + m_strFrom + ">"); // 发件人
   WriteString (tcpNewClient.GetStream(), "Subject: " + m_strSubject); // 主题
   WriteString (tcpNewClient.GetStream(), "To:" + m_strToName + "<" + m_strTo + ">"); // 收件人

   //邮件格式
   WriteString (tcpNewClient.GetStream(), "Content-Type: multipart/mixed; boundary=\"unique-boundary-1\"");
   WriteString (tcpNewClient.GetStream(), "Reply-To:" + m_strFrom); // 回复地址
   WriteString (tcpNewClient.GetStream(), "X-Priority:" + m_iPriority); // 优先级
   WriteString (tcpNewClient.GetStream(), "MIME-Version:1.0"); // MIME版本

   // 数据ID,随意
//   WriteString (tcpNewClient.GetStream(), "Message-Id: " + DateTime.Now.ToFileTime() + "@security.com");
   WriteString (tcpNewClient.GetStream(), "Content-Transfer-Encoding:" + m_strEncoding); // 内容编码
   WriteString (tcpNewClient.GetStream(), "X-Mailer:JcPersonal.Utility.MailSender"); // 邮件发送者
   WriteString (tcpNewClient.GetStream(), "");

   WriteString (tcpNewClient.GetStream(), ToBase64 ("This is a multi-part message in MIME format."));
   WriteString (tcpNewClient.GetStream(), "");

   // 从此处开始进行分隔输入
   WriteString (tcpNewClient.GetStream(), "--unique-boundary-1");

   // 在此处定义第二个分隔符
   WriteString (tcpNewClient.GetStream(), "Content-Type: multipart/alternative;Boundary=\"unique-boundary-2\"");
   WriteString (tcpNewClient.GetStream(), "");

   if(!m_bIsHtml)
   {
    // 文本信息
    WriteString (tcpNewClient.GetStream(), "--unique-boundary-2");
    WriteString (tcpNewClient.GetStream(), "Content-Type: text/plain;charset=" + m_strLanguageEncoding);
    WriteString (tcpNewClient.GetStream(), "Content-Transfer-Encoding:" + m_strEncoding);
    WriteString (tcpNewClient.GetStream(), "");
    WriteString (tcpNewClient.GetStream(), m_strTxtBody);
    WriteString (tcpNewClient.GetStream(), "");//一个部分写完之后就写如空信息，分段
    WriteString (tcpNewClient.GetStream(), "--unique-boundary-2--");//分隔符的结束符号，尾巴后面多了--
    WriteString (tcpNewClient.GetStream(), "");
   }
   else
   {
    //html信息
    WriteString (tcpNewClient.GetStream(), "Content-Type: multipart/mixed");
    WriteString (tcpNewClient.GetStream(), "--unique-boundary-2");
    WriteString (tcpNewClient.GetStream(), "Content-Type: text/html;charset=" + m_strLanguageEncoding);
    WriteString (tcpNewClient.GetStream(), "Content-Transfer-Encoding:" + m_strEncoding);
    WriteString (tcpNewClient.GetStream(), "");
    WriteString (tcpNewClient.GetStream(), m_strHtmlBody);
    WriteString (tcpNewClient.GetStream(), "");
    WriteString (tcpNewClient.GetStream(), "--unique-boundary-2--");//分隔符的结束符号，尾巴后面多了--
    WriteString (tcpNewClient.GetStream(), "");
   }

   // 发送附件
   // 对文件列表做循环
   for (int i = 0; i < m_alAttachments.Count; i++)
   {
    WriteString (tcpNewClient.GetStream(), "--unique-boundary-1"); // 邮件内容分隔符
    WriteString (tcpNewClient.GetStream(), "Content-Type: application/octet-stream;name=\"" + ((AttachmentInfo)m_alAttachments[i]).FileName + "\""); // 文件格式
    WriteString (tcpNewClient.GetStream(), "Content-Transfer-Encoding: base64"); // 内容的编码
    WriteString (tcpNewClient.GetStream(), "Content-Disposition:attachment;filename=\"" + ((AttachmentInfo)m_alAttachments[i]).FileName + "\""); // 文件名
    WriteString (tcpNewClient.GetStream(), "");
    WriteString (tcpNewClient.GetStream(), ((AttachmentInfo)m_alAttachments[i]).Bytes); // 写入文件的内容
    WriteString (tcpNewClient.GetStream(), "");
   }

   Command (tcpNewClient.GetStream(), ".", "250"); // 最后写完了，输入"."

   // 关闭连接
   tcpNewClient.Close ();
  }
  /// <summary>
  /// 向流中写入字符
  /// </summary>
  /// <param name="p_netStream">来自TcpClient的流</param>
  /// <param name="p_str">写入的字符</param>
  protected void WriteString (NetworkStream p_netStream, string p_str)
  {
   p_str = p_str + "\r\n"; // 加入换行符

   // 将命令行转化为byte[]
   byte[] bWrite = Encoding.GetEncoding(m_strLanguageEncoding).GetBytes(p_str.ToCharArray());

   // 由于每次写入的数据大小是有限制的，那么我们将每次写入的数据长度定在７５个字节，一旦命令长度超过了７５，就分步写入。
   int iStart=0;
   int iLength = bWrite.Length;
   int iPage = 0;
   int iSize = 75;
   int iCount = iSize;
   try
   {
    if (iLength>75)
    {
     // 数据分页
     if ((iLength / iSize) * iSize < iLength)
      iPage = iLength/iSize+1;
     else
      iPage=iLength/iSize;
     for (int i=0;i<iPage;i++)
     {
      iStart=i*iSize;
      if (i==iPage-1)
       iCount=iLength-(i*iSize);
      p_netStream.Write(bWrite,iStart,iCount);// 将数据写入到服务器上
     }
    }
    else
     p_netStream.Write(bWrite,0,bWrite.Length);
   }
   catch(Exception)
   {
    // 忽略错误
   }
  }

  /// <summary>
  /// 从流中读取字符
  /// </summary>
  /// <param name="p_netStream">来自TcpClient的流</param>
  /// <returns>读取的字符</returns>
  protected string ReadString (NetworkStream p_netStream)
  {
   string strSp = null;
   byte[] by = new byte[1024];
   int iSize = p_netStream.Read(by,0,by.Length);// 读取数据流
   if (iSize > 0)
   {
    strSp = Encoding.Default.GetString(by);// 转化为String
   }
   return strSp;
  }

  /// <summary>
  /// 发出命令并判断返回信息是否正确
  /// </summary>
  /// <param name="p_netStream">来自TcpClient的流</param>
  /// <param name="p_strCommand">命令</param>
  /// <param name="p_strState">正确的状态码</param>
  /// <returns>是否正确</returns>
  protected bool Command (NetworkStream p_netStream, string p_strCommand, string p_strState)
  {
   string strSp = null;
   bool bSuccess = false;
   try
   {
    // 写入命令
    WriteString (p_netStream, p_strCommand);
    strSp = ReadString (p_netStream);// 接受返回信息
    if (strSp.IndexOf(p_strState) != -1)// 判断状态码是否正确
     bSuccess=true;
   }
   catch(Exception)
   {
    // 忽略错误
   }
   return bSuccess;
  }

  /// <summary>
  /// 字符串编码为Base64
  /// </summary>
  /// <param name="p_str">字符串</param>
  /// <returns>Base64编码的字符串</returns>
  protected string ToBase64 (string p_str)
  {
   try
   {
    byte[] by = Encoding.Default.GetBytes (p_str.ToCharArray());
    p_str = Convert.ToBase64String (by);
   }
   catch(Exception)
   {
    // 忽略错误
   }
   return p_str;
  }
  /// <summary>
  ///  表示一封待发送的邮件
  /// </summary>
  public MailSender()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }
  #endregion
  
  #region "Tools"
  /// <summary>
  /// 回复格式化html的格式到htmlt格式
  /// </summary>
  /// <param name="p_strOldStr">要格式化的字符串</param>
  /// <param name="p_strSeparator_n"></param>
  /// <param name="p_strSeparator_r"></param>
  /// <returns></returns>
  public string reformatSpecailHtml_toHtml(string p_strOldStr,string p_strSeparator_n,string p_strSeparator_r)
  {
   //string result;
   while(p_strOldStr.IndexOf("&lt;")>-1 || p_strOldStr.IndexOf("&gt")>-1 || p_strOldStr.IndexOf("@$@_n")>-1 || p_strOldStr.IndexOf("@$@_r")>-1)
   {
    if(p_strOldStr.IndexOf("&lt;")>-1)
    {
     p_strOldStr = p_strOldStr.Substring(0,p_strOldStr.IndexOf("&lt;")) + "<" + p_strOldStr.Substring(p_strOldStr.IndexOf("&lt;")+4);
    }
    else if(p_strOldStr.IndexOf("&gt")>-1)
    {
     p_strOldStr = p_strOldStr.Substring(0,p_strOldStr.IndexOf("&gt")) + ">" + p_strOldStr.Substring(p_strOldStr.IndexOf("&gt")+4);
    }
    else if(p_strOldStr.IndexOf(p_strSeparator_n)>-1)
    {
     p_strOldStr = p_strOldStr.Substring(0,p_strOldStr.IndexOf(p_strSeparator_n)) + "<br>" + p_strOldStr.Substring(p_strOldStr.IndexOf(p_strSeparator_n) + p_strSeparator_n.Length);
    }
    else if(p_strOldStr.IndexOf(p_strSeparator_r)>-1)
    {
     p_strOldStr = p_strOldStr.Substring(0,p_strOldStr.IndexOf(p_strSeparator_r)) + "<br>" + p_strOldStr.Substring(p_strOldStr.IndexOf(p_strSeparator_r) + p_strSeparator_r.Length);
    }
    else
    {
     p_strOldStr = p_strOldStr;
    }
   }
   return p_strOldStr;
  }
  /// <summary>
  /// 格式化html的格式(目前不用) 
  /// </summary>
  /// <param name="p_strOldStr">要格式化的字符串</param>
  /// <returns></returns>
  private string formatSpecailHtml(string p_strOldStr)
  {
   string result;
   if(p_strOldStr.IndexOf("<")>-1)
   {
    result = p_strOldStr.Substring(0,p_strOldStr.IndexOf("<")) + "&lt;" + p_strOldStr.Substring(p_strOldStr.IndexOf("<")+1);
    formatSpecailHtml(result);
   }
   else if(p_strOldStr.IndexOf(">")>-1)
   {
    result = p_strOldStr.Substring(0,p_strOldStr.IndexOf(">")) + "&gt;" + p_strOldStr.Substring(p_strOldStr.IndexOf(">")+1);
    formatSpecailHtml(result);
   }
   else
   {
    result = p_strOldStr;
   }
   return result;
  }
  /// <summary>
  /// 回复格式化html的格式到txt格式
  /// </summary>
  /// <param name="p_strOldStr">要格式化的字符串</param>
  /// <param name="p_strSeparator_n"></param>
  /// <param name="p_strSeparator_r"></param>
  /// <returns></returns>
  public string reformatSpecailHtml_toTxt(string p_strOldStr,string p_strSeparator_n,string p_strSeparator_r)
  {
   //string result;
   while(p_strOldStr.IndexOf("&lt;")>-1 || p_strOldStr.IndexOf("&gt")>-1 || p_strOldStr.IndexOf(p_strSeparator_n)>-1 || p_strOldStr.IndexOf(p_strSeparator_r)>-1)
   {
    if(p_strOldStr.IndexOf("&lt;")>-1)
    {
     p_strOldStr = p_strOldStr.Substring(0,p_strOldStr.IndexOf("&lt;")) + "<" + p_strOldStr.Substring(p_strOldStr.IndexOf("&lt;")+4);
    }
    else if(p_strOldStr.IndexOf("&gt")>-1)
    {
     p_strOldStr = p_strOldStr.Substring(0,p_strOldStr.IndexOf("&gt")) + ">" + p_strOldStr.Substring(p_strOldStr.IndexOf("&gt")+4);
    }
    else if(p_strOldStr.IndexOf(p_strSeparator_n)>-1)
    {
     p_strOldStr = p_strOldStr.Substring(0,p_strOldStr.IndexOf(p_strSeparator_n)) + "\n" + p_strOldStr.Substring(p_strOldStr.IndexOf(p_strSeparator_n) + p_strSeparator_n.Length);
    }
    else if(p_strOldStr.IndexOf(p_strSeparator_r)>-1)
    {
     p_strOldStr = p_strOldStr.Substring(0,p_strOldStr.IndexOf(p_strSeparator_r)) + "\r" + p_strOldStr.Substring(p_strOldStr.IndexOf(p_strSeparator_r) + p_strSeparator_r.Length);
    }
    else
    {
     p_strOldStr = p_strOldStr;
    }
   }
   return p_strOldStr;
  }
  #endregion

  #region "Use"
  /// <summary>
  /// 发送邮件
  /// </summary>
  /// <param name="p_strMailFrom">发件人地址</param>
  /// <param name="p_strMailTo">收件人地址</param>
  /// <param name="p_strMailFormat">邮件主体格式</param>
  /// <param name="p_strMailSubject">邮件主题</param>
  /// <param name="p_strMailBody">邮件主体</param>
  /// <param name="p_strMailAttachmentPaths">附件路径</param>
  /// <param name="mailSmtp">smtp服务地址</param>
  /// <param name="smtpUser"></param>
  /// <param name="p_strSmtpPassword"></param>
  /// <param name="p_strSeparator_n"></param>
  /// <param name="p_strSeparator_r"></param>
  public void send(string p_strMailFrom,string[] p_strMailTo,string p_strMailFormat,string p_strMailSubject,string p_strMailBody,string[] p_strMailAttachmentPaths,string mailSmtp,string smtpUser,string p_strSmtpPassword,string p_strSeparator_n,string p_strSeparator_r)
  {
   //MailSender myEmail = null;
   try
   {
    //myEmail = new MailSender();
    this.From = p_strMailFrom;
    this.To = p_strMailTo;
    this.Subject = p_strMailSubject;
    this.Body = reformatSpecailHtml_toTxt(p_strMailBody,p_strSeparator_n,p_strSeparator_r);
    this.HtmlBody = reformatSpecailHtml_toHtml(p_strMailBody,p_strSeparator_n,p_strSeparator_r);
    if(p_strMailFormat.ToUpper() == "HTML")
    {
     this.IsHtml = true;
    }
    else
    {
     this.IsHtml = false;
    }

    for(int i=0;i<p_strMailAttachmentPaths.Length;i++)
    {
     if(p_strMailAttachmentPaths[i] != null && p_strMailAttachmentPaths[i].Length > 0)
     {
      object tempObj = new MailSender.AttachmentInfo(p_strMailAttachmentPaths[i]);
      this.Attachments.Add(tempObj);
     }
    }

    this.Server = mailSmtp;
    this.UserName = smtpUser;
    this.Password = p_strSmtpPassword;
    //this.SendMail();
    SendMail();
   }
   catch(Exception ex)
   {
    throw new Exception("使用MailSender失败",ex);
   }
  }
  /// <summary>
  /// 发送邮件(使用默认分隔符号)
  /// </summary>
  /// <param name="p_strMailFrom">发件人地址</param>
  /// <param name="p_strMailTo">收件人地址</param>
  /// <param name="p_strMailFormat">邮件主体格式</param>
  /// <param name="p_strMailSubject">邮件主题</param>
  /// <param name="p_strMailBody">邮件主体</param>
  /// <param name="p_strMailAttachmentPaths">附件路径</param>
  /// <param name="mailSmtp">smtp服务地址</param>
  /// <param name="smtpUser"></param>
  /// <param name="p_strSmtpPassword"></param>
  ///  Writer:Nick
  /// Create Date:2004-12-20
  public void send(string p_strMailFrom,string[] p_strMailTo,string p_strMailFormat,string p_strMailSubject,string p_strMailBody,string[] p_strMailAttachmentPaths,string mailSmtp,string smtpUser,string p_strSmtpPassword)
  {   
   string strSeparator_n = "@$@_n";
   string strSeparator_r = "@$@_r";
   send(p_strMailFrom,p_strMailTo,p_strMailFormat, p_strMailSubject, p_strMailBody, p_strMailAttachmentPaths, mailSmtp, smtpUser, p_strSmtpPassword,strSeparator_n,strSeparator_r);
  }
  /// <summary>
  /// 发送邮件(无附件)
  /// </summary>
  /// <param name="p_strMailFrom">发件人地址</param>
  /// <param name="p_strMailTo">收件人地址</param>
  /// <param name="p_strMailFormat">邮件主体格式</param>
  /// <param name="p_strMailSubject">邮件主题</param>
  /// <param name="p_strMailBody">邮件主体</param>
  /// <param name="mailSmtp">smtp服务地址</param>
  /// <param name="smtpUser"></param>
  /// <param name="p_strSmtpPassword"></param>
  /// Writer:Nick
  /// Create Date:2004-12-20
  public void send(string p_strMailFrom,string[] p_strMailTo,string p_strMailFormat,string p_strMailSubject,string p_strMailBody,string mailSmtp,string smtpUser,string p_strSmtpPassword)
  {
   string[] strMailAttachmentPaths = new string[3];
   send(p_strMailFrom,p_strMailTo,p_strMailFormat,p_strMailSubject,p_strMailBody,strMailAttachmentPaths, mailSmtp, smtpUser, p_strSmtpPassword);
  }
  /// <summary>
  /// 发送邮件(无附件、txt格式)
  /// </summary>
  /// <param name="p_strMailFrom">发件人地址</param>
  /// <param name="p_strMailTo">收件人地址</param>
  /// <param name="p_strMailSubject">邮件主题</param>
  /// <param name="p_strMailBody">邮件主体</param>
  /// <param name="mailSmtp">smtp服务地址</param>
  /// <param name="smtpUser"></param>
  /// <param name="p_strSmtpPassword"></param>
  /// Writer:Nick
  /// Create Date:2004-12-20
  public void send(string p_strMailFrom,string[] p_strMailTo,string p_strMailSubject,string p_strMailBody,string mailSmtp,string smtpUser,string p_strSmtpPassword)
  {
   string strMailFormat = "txt";
   send(p_strMailFrom,p_strMailTo,strMailFormat,p_strMailSubject,p_strMailBody,mailSmtp,smtpUser,p_strSmtpPassword);
  }
  /// <summary>
  ///  发送邮件
  /// </summary>
  /// Writer:Nick
  /// Create Date:2004-12-20 
  public void send()
  {
   SendMail();
  }
  /// <summary>
  /// 销毁(预留)
  /// </summary>
  ///  Writer:Nick
  /// Create Date:2004-12-20  
  public void Dispose()
  {   
  }
  #endregion
 }
}