整理一个发送邮件的类

 

    /// <summary>
    /// 发送邮件类 的摘要说明
    /// </summary>
    public  class MailSender
    {
        #region 数据成员
        //收件人地址
        private string m_To = "";
        //抄送人地址
        private string m_CC = "";
        //密送人地址
        private string m_BCC = "";
        //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 = "";
        //发送服务器SMTP端口
        private int m_SmtpPort = -1;
        //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_Attachment = "";
        //紧急程度
        private MailPriority m_Priority = MailPriority.Normal;
        //正文内容是否支持HTML
        private bool m_IsBodyHtml = true;
        //错误信息
        private string m_ErrorMessage = "";
        #endregion

        #region 构造函数
        public MailSender()
        { 
        }
        /**/
        /// <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 MailSender(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_Attachment = fileName;
        }
        #endregion

        #region 数据属性
        //收件人地址
        public string To
        {
            get
            {
                return m_To;
            }
            set
            {
                m_To = value;
            }
        }

        //抄送人地址
        public string CC
        {
            get
            {
                return m_CC;
            }
            set
            {
                m_CC = value;
            }
        }

        //密送人地址
        public string BCC
        {
            get
            {
                return m_BCC;
            }
            set
            {
                m_BCC = 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;
            }
        }

        //服务器SMTP端口
        public int SmtpPort
        {
            get
            {
                return m_SmtpPort;
            }
            set
            {
                m_SmtpPort = 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 Attachment
        {
            get
            {
                return m_Attachment;
            }
            set
            {
                m_Attachment = value;
            }
        }

        //紧急程度
        public MailPriority Priority
        {
            get
            {
                return m_Priority;
            }
            set
            {
                m_Priority = value;
            }
        }

        //正文内容是否支持
        public bool IsBodyHtml
        {
            get
            {
                return m_IsBodyHtml;
            }
            set
            {
                m_IsBodyHtml = value;
            }
        }
        //错误信息
        public string ErrorMessage
        {
            get
            {
                return m_ErrorMessage;
            }
            set
            {
                m_ErrorMessage = 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);//收件人
                string[] CTos = m_CC.Split(ch);//抄送人
                string[] STos = m_BCC.Split(ch);//密送人

                //定义邮件消息
                MailMessage msg = new MailMessage();

                //收件人地址
                foreach (string i in address)
                if (!string.IsNullOrEmpty(i))
                {
                    msg.To.Add(new MailAddress(i)); 
                }

                //发件人地址
                MailAddress fromAddress = new MailAddress(m_From);
                msg.From = fromAddress;

                //正文是否支持HTML
                msg.IsBodyHtml = m_IsBodyHtml;

                //紧急程度
                msg.Priority = m_Priority;

                //邮件标题
                msg.Subject = m_Subject;

                //邮件正文
                msg.Body = m_Body;

                msg.SubjectEncoding = Encoding.UTF8;

                msg.BodyEncoding = Encoding.UTF8;

                //抄送人
                foreach (string s in CTos)
                {
                    if (!string.IsNullOrEmpty(s))
                    {
                        msg.CC.Add(new MailAddress(s));
                    }
                }

                //密送人
                foreach (string s in STos)
                {
                    if (!string.IsNullOrEmpty(s))
                    {
                        msg.Bcc.Add(new MailAddress(s));
                    }
                }

                //获取所有邮件附件
                string[] attachMents = m_Attachment.Split(ch);
                foreach (string att in attachMents)
                {
                    if (!string.IsNullOrEmpty(att))
                    {
                        //附件对象
                        Attachment data = new Attachment(att, MediaTypeNames.Application.Octet);
                        //附件资料
                        ContentDisposition disposition = data.ContentDisposition;
                        disposition.CreationDate = System.IO.File.GetCreationTime(att);
                        disposition.ModificationDate = System.IO.File.GetLastWriteTime(att);
                        disposition.ReadDate = System.IO.File.GetLastAccessTime(att);
                        //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;
                //SMTP端口
                if (m_SmtpPort != -1)
                {
                    sendMail.Port = m_SmtpPort;
                }
                //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)
            {
                m_ErrorMessage = ex.Message;
                return false;
            }
        }
    }

 

调用:

 

        MailSender ms = new MailSender();
        //服务器信息
        ms.Host = "smtp.xxx.com";
        ms.UserName = xxx@xxx.com;
        ms.Password = "xxx";

        //发送双方信息,收件方多个用";"号隔开内容
        ms.To = tbxTo.Text;
        ms.CTo = tbxCTo.Text;
        ms.STo = tbxSTo.Text;
        ms.From = xxx@xxx.com;
        
        //判断发送紧急程度,默认一般
        switch (ddlMergency.SelectedIndex)
        {
            case 0:
                ms.Priority = System.Net.Mail.MailPriority.Low;
                break;
            case 1:
                ms.Priority = System.Net.Mail.MailPriority.Normal;
                break;
            case 2:
                ms.Priority = System.Net.Mail.MailPriority.High;
                break;
        }
        
        //发送内容信息
        ms.Subject = tbxSubject.Text;
        ms.Body = tbxBody.Text;

        //附件,多个用";"号隔开内容
        if (!string.IsNullOrEmpty(File1.Value))
        {
            ms.Attachment = File1.Value;
            //ms.File += ";"+File1.Value;
        }

        //开始发送
        if (ms.Send())
        {
            Response.Write("Succeed!");
        }
        else
        {
            Response.Write("Fail!");
        }