C#发邮件功能

最新推荐文章于 2024-07-31 17:07:29 发布
转载最新推荐文章于 2024-07-31 17:07:29 发布 · 562 阅读
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Net;
using System.Net.Mail;
using System.Net.Mime;  
 
using System.Text;
using System.Windows.Forms;
 
namespace Mail
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private MailMessage mailMessage;  
        private SmtpClient smtpClient;  
        private string password;//发件人密码  
        /**//// <summary>  
        /// 处审核后类的实例  
        /// </summary>  
        /// <param name="To">收件人地址</param>  
        /// <param name="From">发件人地址</param>  
        /// <param name="Body">邮件正文</param>  
        /// <param name="Title">邮件的主题</param>  
        /// <param name="Password">发件人密码</param>  
        public void SendMail(string To, string From, string Body, string Title, string Password)  
        {  
            mailMessage = new MailMessage();  
            mailMessage.To.Add(To);  
            mailMessage.From = new System.Net.Mail.MailAddress(From);  
            mailMessage.Subject = Title;  
            mailMessage.Body = Body;  
            mailMessage.IsBodyHtml = true;  
            mailMessage.BodyEncoding = System.Text.Encoding.UTF8;  
            mailMessage.Priority = System.Net.Mail.MailPriority.Normal;  
            this.password = Password;  
        }  
 
        /**//// <summary>  
        /// 添加附件  
        /// </summary>  
        public void Attachments(string Path)  
        {  
            string[] path = Path.Split(',');  
            Attachment data;  
            ContentDisposition disposition;  
            for (int i = 0; i < path.Length; i++)  
            {  
                data = new Attachment(path[i], MediaTypeNames.Application.Octet);//实例化附件  
                disposition = data.ContentDisposition;  
                disposition.CreationDate = System.IO.File.GetCreationTime(path[i]);//获取附件的创建日期  
                disposition.ModificationDate = System.IO.File.GetLastWriteTime(path[i]);//获取附件的修改日期  
                disposition.ReadDate = System.IO.File.GetLastAccessTime(path[i]);//获取附件的读取日期  
                mailMessage.Attachments.Add(data);//添加到附件中  
            }  
        }  
 
        /**//// <summary>  
        /// 异步发送邮件  
        /// </summary>  
        /// <param name="CompletedMethod"></param>  
        public void SendAsync(SendCompletedEventHandler CompletedMethod)  
        {  
            if (mailMessage != null)  
            {  
                smtpClient = new SmtpClient();  
                smtpClient.Credentials = new System.Net.NetworkCredential(mailMessage.From.Address, password);//设置发件人身份的票据  
                smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;  
                smtpClient.Host = "smtp." + mailMessage.From.Host;  
                smtpClient.SendCompleted += new SendCompletedEventHandler(CompletedMethod);//注册异步发送邮件完成时的事件  
                smtpClient.SendAsync(mailMessage, mailMessage.Body);  
            }  
        }  
 
        /**//// <summary>  
        /// 发送邮件  
        /// </summary>  
        public void Send()  
        {  
            if (mailMessage != null)  
            {  
                smtpClient = new SmtpClient();  
                smtpClient.Credentials = new System.Net.NetworkCredential(mailMessage.From.Address, password);//设置发件人身份的票据  
                smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;  
                smtpClient.Host = "smtp." + mailMessage.From.Host;  
                smtpClient.Send(mailMessage);  
            }  
        }
 
        private void btnSendMail_Click(object sender, EventArgs e)
        {
            try
            {
                this.SendMail("fgzcard@21cn.com", "lmm4227261@126.com", this.textBox1.Text.Trim(), "你好", "6693065");
                this.Send();
                MessageBox.Show("发送成功！");
            }
            catch (Exception myException)
            {
                MessageBox.Show(myException.ToString());
            }
        }  
 
    }
}