Mail C#

来源：互联网发布：jdk 7u67 windows x32 编辑：程序博客网时间：2024/06/06 09:18
using System;
using System.Net;
using System.Net.Mail;
using System.Text;
using System.ComponentModel;
namespace Tmiqpl.Net
{
    /// <summary> 
    /// 简单邮件传输协议 
    /// author: Tmiqpl 
    /// </summary> 
    public class SMTP : IDisposable
    { 
        #region 预定义 
        private string server = null;
        private string username = null;
        private string password = null;
        private int port = 25;
        private bool network = true;
        private bool ishtml = true;
        private string subject = null;
        private string body = null;
        private string from = null;
        private string to = null;
        private string errortext = null;
        private string[] attachement = null;
        private Encoding bodyencoding = Encoding.Default;
        private Encoding subjectencoding = Encoding.Default;
        private Component conponent = new Component();
        private bool disposed = false;
        private string[] cc = null;
        private string[] bcc = null; 
        #endregion 
        /// <summary> 
        /// 初始化邮件传输协议 
        /// </summary> 
        /// <param name="servername">邮件服务器地址</param> 
        public SMTP(string servername)
            : this(servername, 25)
        {
        }
        /// <summary> 
        /// 初始化邮件传输协议 
        /// </summary> 
        /// <param name="servername">邮件服务器地址</param> 
        /// <param name="prot">端口</param> 
        public SMTP(string servername, int prot)
            : this(servername, prot, null, null)
        {
        }
        /// <summary> 
        /// 初始化邮件传输协议 
        /// </summary> 
        /// <param name="servername">邮件服务器地址</param> 
        /// <param name="prot">端口</param> 
        /// <param name="username">用户名</param> 
        /// <param name="password">密码</param> 
        public SMTP(string servername, int prot, string username, string password)
        {
            this.ServerName = servername;
            this.port = prot;
            this.UserName = username;
            this.PassWord = password;
        }
        ~SMTP()
        {
            this.Dispose(false);
        }
        protected void Dispose(bool disposed)
        {
            if (!this.disposed && disposed)
            {
                conponent.Dispose();
            }
            this.disposed = true;
        }
        /// <summary> 
        /// 发送 
        /// </summary> 
        public bool Send()
        {
            SmtpClient _client;
            if (this.ServerName == null)
            {
                this.errortext = "(SMTP) 服务器未定义";
                return false;
            }
            _client = new SmtpClient(this.server, this.port);
            _client.UseDefaultCredentials = false;
            if ((this.username == null) || (this.password == null))
            {
                _client.Credentials = CredentialCache.DefaultNetworkCredentials;
            }
            else
            {
                _client.Credentials = new NetworkCredential(this.username, this.password);
            }
            if (this.network)
            {
                _client.DeliveryMethod = SmtpDeliveryMethod.Network;
            }
            else
            {
                _client.DeliveryMethod = SmtpDeliveryMethod.PickupDirectoryFromIis;
            }
            if (this.from == null)
            {
                this.errortext = "发件人地址未定义!";
                return false;
            }
            if (this.to == null)
            {
                this.errortext = "收件人人地址未定义!";
                return false;
            }
            MailAddress from = new MailAddress(this.from);
            MailAddress to = new MailAddress(this.to);
            MailMessage msg = new MailMessage(from, to);
            if (this.subject == null)
            {
                this.errortext = "邮件主题未定义!";
                return false;
            }
            msg.Subject = this.subject;
            msg.Body = this.body;
            if (this.cc != null)
            {
                if (this.cc.Length > 0)
                {
                    foreach (string cc in this.cc)
                    {
                        msg.CC.Add(cc);
                    }
                }
            }
            if (this.bcc != null)
            {
                if (this.bcc.Length > 0)
                {
                    foreach (string bcc in this.bcc)
                    {
                        msg.Bcc.Add(bcc);
                    }
                }
            }
            if (this.attachement != null)
            {
                if (this.attachement.Length > 0)
                {
                    foreach (string att in this.attachement)
                    {
                        msg.Attachments.Add(new Attachment(att));
                    }
                }
            }
            msg.BodyEncoding = this.bodyencoding;
            msg.SubjectEncoding = this.subjectencoding;
            msg.IsBodyHtml = this.ishtml;
            try
            {
                _client.Send(msg);
                return true;
            }
            catch (Exception e)
            {
                this.errortext = e.Message;
                return false;
            }
            finally
            {
                msg.Dispose();
            }
        } 
        #region 属性 
        /// <summary> 
        /// 获取或设置 SMTP 服务器地址 
        /// </summary> 
        public string ServerName
        {
            get { return this.server; }
            set { this.server = value; }
        }
        /// <summary> 
        /// 获取或设置登陆 SMTP 服务器的用户名 
        /// </summary> 
        public string UserName
        {
            get { return this.username; }
            set { this.username = value; }
        }
        /// <summary> 
        /// 获取或设置登陆 SMTP 服务器的密码 
        /// </summary> 
        public string PassWord
        {
            get { return this.password; }
            set { this.password = value; }
        }
        /// <summary> 
        /// 获取或设置 SMTP 端口 
        /// </summary> 
        public int Port
        {
            get { return this.port; }
            set { this.port = value; }
        }
        /// <summary> 
        /// 获取或设置是否通过网络 SMTP 服务器发送 
        /// </summary> 
        public bool IsNetwork
        {
            get { return this.network; }
            set { this.network = value; }
        }
        /// <summary> 
        /// 获取或设置邮件内容是否以 HTML 格式发送 
        /// </summary> 
        public bool IsHtml
        {
            get { return this.ishtml; }
            set { this.ishtml = value; }
        }
        /// <summary> 
        /// 获取或设置邮件内容 
        /// </summary> 
        public string Body
        {
            get { return this.body; }
            set { this.body = value; }
        }
        /// <summary> 
        /// 获取或设置邮件主题行 
        /// </summary> 
        public string Subject
        {
            get { return this.subject; }
            set { this.subject = value; }
        }
        /// <summary> 
        /// 获取或设置邮件发送人 
        /// </summary> 
        public string From
        {
            get { return this.from; }
            set { this.from = value; }
        }
        /// <summary> 
        /// 获取或设置邮件接收人 
        /// </summary> 
        public string To
        {
            get { return this.to; }
            set { this.to = value; }
        }
        /// <summary> 
        /// 获取邮件发送失败后的信息描述 
        /// </summary> 
        public string ErrorText
        {
            get { return this.errortext; }
        }
        /// <summary> 
        /// 获取或设置邮件附件 
        /// </summary> 
        public string[] Attachement
        {
            get { return this.attachement; }
            set { this.attachement = value; }
        }
        /// <summary> 
        /// 获取或设置邮件抄送地址 
        /// </summary> 
        public string[] Cc
        {
            get { return this.cc; }
            set { this.cc = value; }
        }
        /// <summary> 
        /// 获取或设置邮件密送地址 
        /// </summary> 
        public string[] Bcc
        {
            get { return this.bcc; }
            set { this.bcc = value; }
        }
        /// <summary> 
        /// 获取或设置邮件内容编码格式 
        /// </summary> 
        public Encoding BodyEncoding
        {
            get { return this.bodyencoding; }
            set { this.bodyencoding = value; }
        }
        /// <summary> 
        /// 获取或设置邮件主题编码格式 
        /// </summary> 
        public Encoding SubjectEncoding
        {
            get { return this.subjectencoding; }
            set { this.subjectencoding = value; }
        } 
        #endregion 
        /// <summary> 
        /// 释放该对象非托管资源 
        /// </summary> 
        public virtual void Dispose()
        {
            this.Dispose(true);
            GC.SuppressFinalize(this);
        }
    }
}