C#实现的自定义邮件发送类完整实例(支持多人多附件)

本文实例讲述了c#实现的自定义邮件发送类。分享给大家供大家参考，具体如下：

using system;
using system.collections.generic;
using system.text;
using system.net;
using system.net.mail;
using system.net.mime;
namespace consoleapplication1
{
 /// <summary>
 /// 发送邮件类 的摘要说明
 /// </summary>
 class sendmail
 {
  #region 数据成员
  //收件人地址
  private string m_to = "";
  //发件人地址
  private string m_from = "";
  //邮件标题
  private string m_subject = "";
  //邮件正文
  private string m_body = "";
  //发送服务器名或地址
  private string m_host = "";
  //发件人用户名
  private string m_username = "";
  //发件人密码
  private string m_password = "";
  //邮件附件
  private string m_file = "";
  #endregion
  #region 构造函数
  /// <summary>
  /// 构造函数重载
  /// </summary>
  /// <param name="to">收件人地址</param>
  /// <param name="from">发件人地址</param>
  /// <param name="subject">邮件标题</param>
  /// <param name="body">邮件正文</param>
  /// <param name="host">发送邮件服务器名或地址</param>
  /// <param name="username">发件人用户名</param>
  /// <param name="password">发件人密码</param>
  public sendmail(string to, string from, string subject, string body, string host, string username, string password, string filename)
  {
   m_to = to;
   m_from = from;
   m_subject = subject;
   m_body = body;
   m_host = host;
   m_username = username;
   m_password = password;
   m_file = filename;
  }
  #endregion
  #region 数据属性
  //收件人地址
  public string to
  {
   get
   {
    return m_to;
   }
   set
   {
    m_to = value;
   }
  }
  //发件人地址
  public string from
  {
   get
   {
    return m_from;
   }
   set
   {
    m_from = value;
   }
  }
  //邮件标题
  public string subject
  {
   get
   {
    return m_subject;
   }
   set
   {
    m_subject = value;
   }
  }
  //邮件正文
  public string body
  {
   get
   {
    return m_body;
   }
   set
   {
    m_body = value;
   }
  }
  //服务器地址（名）
  public string host
  {
   get
   {
    return m_host;
   }
   set
   {
    m_host = value;
   }
  }
  //发件人的用户名
  public string username
  {
   get
   {
    return m_username;
   }
   set
   {
    m_username = value;
   }
  }
  //发件人的密码
  public string password
  {
   get
   {
    return m_password;
   }
   set
   {
    m_password = value;
   }
  }
  //邮件附件
  public string file
  {
   get
   {
    return m_file;
   }
   set
   {
    m_file = value;
   }
  }
  #endregion
  /// <summary>
  /// 发送邮件
  /// </summary>
  /// <returns>发送是否成功</returns>
  public bool send()
  {
   try
   {
    //获取所有的收件人地址
    char[] ch = { ',' };
    string[] address = m_to.split(ch);
    mailaddresscollection alladdress = new mailaddresscollection();
    for (int i = 0; i < address.length; i++)
    {
     //收件人地址
     mailaddress toaddress = new mailaddress(address[i]);
     alladdress.add(toaddress);
     //发件人地址
     mailaddress fromaddress = new mailaddress(m_from);
     //定义邮件消息
     mailmessage msg = new mailmessage(fromaddress, toaddress);
     //邮件标题
     msg.subject = m_subject;
     //邮件正文
     msg.body = m_body;
     //获取所有邮件附件
     char[] cr = { ';' };
     string[] file = m_file.split(cr);
     for (int n = 0; n < file.length; n++)
     {
      if (file[n] != "")
      {
       //附件对象
       attachment data = new attachment(file[n], mediatypenames.application.octet);
       //附件资料
       contentdisposition disposition = data.contentdisposition;
       disposition.creationdate = system.io.file.getcreationtime(file[n]);
       disposition.modificationdate = system.io.file.getlastwritetime(file[n]);
       disposition.readdate = system.io.file.getlastaccesstime(file[n]);
       //加入邮件附件
       msg.attachments.add(data);
      }
     }
     //使用简单邮件传输协议来传送邮件
     smtpclient sendmail = new smtpclient();
     //发送邮件的服务器名或地址
     sendmail.host = m_host;
     //验证发件人的身份
     sendmail.credentials = new networkcredential(m_username, m_password);
     //处理待发送邮件的方法
     sendmail.deliverymethod = smtpdeliverymethod.network;
     //发送邮件
     sendmail.send(msg);     
    }
    return true;
   }
   catch (exception ex)
   {
    return false;
   }
  }
 }
}

希望本文所述对大家c#程序设计有所帮助。