C#(WindowsService)-(MailSender)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.Net.Mail;
using System.ServiceProcess;
using System.Text;
using System.Timers;

 

// installutil WindowsService.exe

// 功能參考: https://blog.youkuaiyun.com/xiaoguidangjiajia/article/details/52371354

namespace WindowsServiceMailSender
{
    public partial class ServiceMailSender : ServiceBase
    {
        public ServiceMailSender()
        {
            InitializeComponent();
        }


        protected override void OnStart(string[] args)
        {
            Timer mytimer = new Timer();
            mytimer.Enabled = true;
            mytimer.Interval = 60000;//执行间隔时间,单位为毫秒;此时时间间隔为1分钟  
            mytimer.Start();
            mytimer.Elapsed += new System.Timers.ElapsedEventHandler(MailSender);
                        
        }


        protected override void OnStop()
        {
        }


        private void MailSender(object source, ElapsedEventArgs e)
        {
            if (DateTime.Now.Hour != 10 || DateTime.Now.Minute != 01 || (int)DateTime.Now.DayOfWeek != 4) 
            {
                return;
            }
                


            System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage();
            msg.CC.Add("xxxxxx@163.com");


            msg.From = new MailAddress("xxxxxx@163.com", "10060542", System.Text.Encoding.UTF8);
            /* 上面3个参数分别是发件人地址（可以随便写），发件人姓名，编码*/
            msg.Subject = "週報提醒";//邮件标题 
            msg.SubjectEncoding = System.Text.Encoding.UTF8;//邮件标题编码 
            msg.Body = "Send From : MailSenderService \n\n" + "Send Date : "+ DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");//邮件内容 
            msg.BodyEncoding = System.Text.Encoding.UTF8;//邮件内容编码 
            msg.IsBodyHtml = false;//是否是HTML邮件 
            msg.Priority = MailPriority.Normal;//邮件优先级 


            SmtpClient client = new SmtpClient();
            client.Host = "xxxxxx@163.com";
            object userState = msg;
            try
            {
                client.SendAsync(msg, userState);
            }
            catch (System.Net.Mail.SmtpException ex)
            {


            }
        }


    }
}

 

 

/*
一.安装服务：

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe C:\MyWindowsService\WindowsServiceMailSender.exe
二.卸载服务：

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe -u  C:\MyWindowsService\WindowsServiceMailSender.exe
強制刪除服務:
sc delete servicename

*/