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asp.net(C#)定时自动发送邮件

发布:2021/3/17 16:37:40作者:管理员 来源:本站 浏览次数:1159

protected override void OnStart(string[] args)
           {
               MyTimer();
         }
 
          //实例化System.Timers.Timer   
          private void MyTimer()
         {
              //设置时间间隔
            System.Timers.Timer MT = new System.Timers.Timer(int.Parse(ConfigResource.Interval)*60*1000);
            MT.Elapsed += new System.Timers.ElapsedEventHandler(MTimedEvent);  
             MT.Enabled = true;

        }
         //构造System.Timers.Timer实例   间隔时间事件  (定时执行事件) 
        private void MTimedEvent(object source, System.Timers.ElapsedEventArgs e)
          {
             //开始工作
            StartWork();
         }
 
         public void StartWork()
         {
             //从数据库DB查询表A中的时间   代码省略。。。
                //时间比较
               if()   //时间大于当前系统时间
               {
                  //发送邮件
                     int iStatus = SendMail("你指定的收件人Email地址","标题","内容");
                   if( iStatus > 0)
                   {
                         using (StreamWriter sw = new StreamWriter(filePath + "log.txt", System.Text.Encoding.GetEncoding("utf-8")))
                          {
                             sw.Wirte(System.DateTime.Now.ToString() + " 发送邮件成功!")
                         }
                  }
                   else{//失败}
             }
         }
 
/// <summary>
        /// 发送EMAIL
          /// </summary>
          /// <param name="sRecipientEmail">收件人地址</param>
          /// <param name="sSubject">主题</param>
          /// <param name="sMessage">内容</param>
          /// <returns>发送是否成功</returns>
          public bool SendMail(string sRecipientEmail, string sSubject, string sMessage)
          {
 
              //邮件对象
              MailMessage emailMessage;
 
              //smtp客户端对象
 
              SmtpClient client;
 
              // 初始化邮件对象
 
              String sSenderEmail = "你的邮箱";
 
             emailMessage = new MailMessage(sSenderEmail, sRecipientEmail, sSubject, sMessage);
              emailMessage.IsBodyHtml = true;
              emailMessage.SubjectEncoding = System.Text.Encoding.Default;
              emailMessage.BodyEncoding = System.Text.Encoding.Default;
              //加入
              emailMessage.Headers.Add("X-Priority""3");
              emailMessage.Headers.Add("X-MSMail-Priority""Normal");
              emailMessage.Headers.Add("X-Mailer""Microsoft Outlook Express 6.00.2900.2869");
              emailMessage.Headers.Add("X-MimeOLE""Produced By Microsoft MimeOLE V6.00.2900.2869");
 
              //邮件发送客户端
              client = new SmtpClient();
 
              //邮件服务器及帐户信息
              client.Host = "邮件服务器";
              //client.Host = "smtp.163.com";
             
              //client.Port = 465;
              //client.EnableSsl = true;
              System.Net.NetworkCredential Credential = new System.Net.NetworkCredential();
           
              Credential.UserName = "你的邮箱帐号"   //可以在资源文件中配置
              Credential.Password = "密码"
 
              client.Credentials = Credential;
 
              try
              {
                  client.Send(emailMessage);
              }
              catch (Exception e)
              {
                  return false;
              }
              return true;
 
          }