C#实现的自定义邮件发送类完整实例(支持多人多附件)

概述本文实例讲述了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：

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。

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