邮件群发系统实例-代码解析

 

        private string subject = string.Empty, mailto = string.Empty, body = string.Empty;

        private int sucNum = 0;

        private int TotalDate=0;

        private string ConnString

                string pathFull = System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName;

                string path = pathFull.Substring(0, pathFull.LastIndexOf(@"\"));

                return @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + @"\mail.mdb";

        private bool mailSent = false; //邮件是否发送成功

        private int mailTotalCount = 0;

        private int CategoryId = 0;

        private int SentCount = 0; //已发送数

        private int UnitConversion = 1; //默认为秒

        private int Interval

                int timer = 0;

                int totalMis = (TotalDate * UnitConversion * 1000);

                timer = totalMis / (mailTotalCount-SentCount);

                return timer;

private void Form1_Load(object sender, EventArgs e)

            Control.CheckForIllegalCrossThreadCalls = false;

        private void btnSendMail_Click(object sender, EventArgs e)

            this.progressBar1.Visible = true;

            this.lblProgress.Visible = true;

        private bool Send(string mailTo, string subject, string body)

                if (!IsEmail(mailTo)) //邮箱格式验证

                    WriteToTxt(DateTime.Now + "   Faild      " + mailTo, txtLogPath + "   Error Message:邮箱格式不正确");

                    return false;

                MailMessage msg = new MailMessage();

                msg.From = new MailAddress("***@****", "xiaoyaosr", Encoding.UTF8);

                if (mailTo.IndexOf(",") > -1)

                ArrayList annexList = ReadTxt(txtAnnexPath);

                for (int i = 0; i < annexList.Count; i++)

                SmtpClient smtp = new SmtpClient("mail.163.com");

            catch (Exception ex)

                WriteToTxt(DateTime.Now + "   Faild   Error Message:" + ex.Message, txtLogPath);

                this.notifyIcon1.ShowBalloonTip(Interval, "", ex.Message, ToolTipIcon.None);

            return mailSent;

            MailSend mailSend = new MailSend();

            mailSend.iTotalCount = mailTotalCount;

        void mailSend_onMailSendProgress(int total, int current)

                if (this.InvokeRequired)

                    this.Invoke(new MailSend.dMailSendProgress(mailSend_onMailSendProgress), new object[] { total, current });

                    string percent = (((current + 1) *100) / mailTotalCount).ToString() + "%";

                    string progress = percent + " " + (current + 1) + "/" + mailTotalCount;

                    this.lableTimer.Text = progress;

                    this.progressBar1.Maximum = total;

                    this.progressBar1.Value = current;

                   if (total > 0 && subject.Length > 0)

                    {                                                                                  

                            UpdateMailState(mailto, 1);

                    if (current == total - 1)

                        this.notifyIcon1.ShowBalloonTip(Interval, "", "发送完毕，成功发送" + sucNum + "封", ToolTipIcon.None);

                        this.lableTimer.Text = "";

                this.notifyIcon1.ShowBalloonTip(Interval, "", ex.Message, ToolTipIcon.None);

        private void InitMailList(){}

        private void LoadMailList(){ }

       private void SentMailCount(){}

        private void MarkErrorMail(string mail) {}

        private void UpdateMailState(string mail, int state) {}

        private void InitTime()

            if (mailTotalCount > 0 && SentCount < mailTotalCount)

                this.txtDateCount.Text = ((mailTotalCount - SentCount) * 10).ToString();

                this.lblTime.Text = TimeConvert((mailTotalCount - SentCount) * 10);

        private void btnAnnexSelect_Click(object sender, EventArgs e)

            OpenFileDialog ofd = new OpenFileDialog();

            string strFileName = "";

            if (ofd.ShowDialog() == DialogResult.OK)

                this.txtAnnex.Text = strFileName;

            WriteToTxt(strFileName, txtAnnexPath);

            ArrayList list = ReadTxt(txtAnnexPath);

            if (list.Count > 0)

                string str = string.Empty;

                for (int i = 0; i < list.Count; i++)

                    string file = list[i].ToString();

                this.lblAnnexList.Text = str.Trim(";".ToCharArray());

        private void KillThread()

            foreach (System.Diagnostics.Process thisproc in System.Diagnostics.Process.GetProcesses())

                if (thisproc.ProcessName.Equals("MailGroupSends"))

        private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)

            this.ShowInTaskbar = true;

            this.WindowState = FormWindowState.Normal;

        private void Form1_SizeChanged(object sender, EventArgs e)

            if (this.WindowState == FormWindowState.Minimized)

                this.ShowInTaskbar = false;

        private void InitMailCategory()

            OleDbConnection Conn = new OleDbConnection(ConnString);

                string sql = @"select categoryid,categoryname from mailCategory where recordstate=0";

                if (Conn.State == ConnectionState.Closed) Conn.Open();

                OleDbCommand cmd = new OleDbCommand(sql, Conn);

                OleDbDataReader reader = cmd.ExecuteReader();

                DataTable table = new DataTable();

                DataRow row = table.NewRow();

                while (reader.Read())

                    row[0] = reader[0].ToString();

                    row[1] = reader[1].ToString();

                if (reader != null) reader.Dispose();

                this.comboBox_mailcategory.ValueMember = "categoryid";

                this.comboBox_mailcategory.DisplayMember = "categoryname";

                this.comboBox_mailcategory.DataSource = table;

                this.comboBox_mailcategory.SelectedIndex = 0;

                if (Conn.State == ConnectionState.Open) Conn.Close();

                if (Conn != null) Conn.Dispose();

        private void comboBox_mailcategory_SelectedIndexChanged(object sender, EventArgs e)

        private string TimeConvert(int time)

            int h = time / 3600;

            int m = (time - h * 3600) / 60;

            int s = time - h * 3600 - m * 60;

            return h + "时" + m + "分" + s + "秒";

        private bool IsEmail(string email)

            string strExp = @"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*";

            Regex r = new Regex(strExp);

            Match m = r.Match(email);

            return m.Success ? true : false;

        public delegate void dMailSendProgress(int total, int current);

        public event dMailSendProgress onMailSendProgress;

            for (int i = iSentCount; i < iTotalCount; i++)

                if (onMailSendProgress != null)

                    onMailSendProgress(iTotalCount, i);

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