邮件群发系统实例-代码解析

亦凉 2022-01-15 10:21 426阅读 0赞

**概要：**

子线程工作，发送成功邮件做标记，逐条提取数据，气泡提示信息，最小化到托盘，实时进度条

**代码：**

using System.Collections;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Data.OleDb;

using System.Threading;

using System.Text;

using System.Windows.Forms;

using System.Net.Mail;

using System.Net;

using System.Text.RegularExpressions;

namespace MailGroupSends

public partial class Form1 : Form

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

private int sucNum = 0;

private int TotalDate=0;

private string ConnString

get

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

/// 发送间隔

private int Interval

get

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;

InitMailCategory();

SentMailCount();

LoadMailList();

ClearTxt(txtAnnexPath);

InitTime();

/// 发送

private void btnSendMail\_Click(object sender, EventArgs e)

TotalDate = Convert.ToInt32(this.txtDateCount.Text.Trim());

ControlEnabled(false);

subject = this.txtSubject.Text.Trim();

body = this.rtxtBody.Text.Trim();

this.progressBar1.Visible = true;

this.lblProgress.Visible = true;

//用子线程工作

new Thread(new ThreadStart(StartMailSend)).Start();

/// 邮件发送

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

try

if (!IsEmail(mailTo)) //邮箱格式验证

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

MarkErrorMail(mailTo);

return false;

MailMessage msg = new MailMessage();

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

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

msg.Bcc.Add(mailTo);

else

msg.To.Add(mailTo);

msg.Subject = subject;

msg.Body = body;

ArrayList annexList = ReadTxt(txtAnnexPath);

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

msg.Attachments.Add(new Attachment(annexList\[i\].ToString()));

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

smtp.Credentials = new NetworkCredential("\*\*\*@\*\*\*\*", "\*\*\*\*\*\*\*");

smtp.Send(msg);

mailSent = true;

sucNum++;

catch (Exception ex)

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

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

System.Threading.Thread.Sleep(Interval \* 2);

KillThread();

MarkErrorMail(mailTo);

mailSent = false;

return mailSent;

//开始发送

public void StartMailSend()

MailSend mailSend = new MailSend();

mailSend.iTotalCount = mailTotalCount;

mailSend.interval = Interval;

mailSend.iSentCount = SentCount;

mailSend.onMailSendProgress += new MailSend.dMailSendProgress(mailSend\_onMailSendProgress);

mailSend.Start();

//同步更新

void mailSend\_onMailSendProgress(int total, int current)

try

if (this.InvokeRequired)

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

else

InitMailList();

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

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

this.lableTimer.Text = progress;

this.notifyIcon1.ShowBalloonTip(Interval,"", progress,ToolTipIcon.None);//气泡提示信息

this.progressBar1.Maximum = total;

this.progressBar1.Value = current;

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

if (Send(mailto, subject, body))

UpdateMailState(mailto, 1);

LoadMailList();

if (current == total - 1)

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

this.progressBar1.Visible = false;

this.lblProgress.Visible = false;

this.lableTimer.Text = "";

ControlEnabled(true);

return;

catch(Exception ex)

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

System.Threading.Thread.Sleep(Interval \* 2);

base.Dispose(true);

Application.ExitThread();

KillThread();

/// 逐条读取未发送的邮件，具体代码就不在这里唠叨了，详见附件

private void InitMailList()\{\}

/// 加载邮件列表 （DataGridView）,不是主要内容，如需了解，详见附件

private void LoadMailList()\{ \}

///取状态为已发送的邮件个数，详见附件

private void SentMailCount()\{\}

///修改邮箱状态，这里标记为10，详见附件

private void MarkErrorMail(string mail) \{\}

///标记已发送或出错的邮箱，详见附件

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

/// 初始化时间长

private void InitTime()

if (mailTotalCount > 0 && SentCount < mailTotalCount)

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

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

/// 添加附件

private void btnAnnexSelect\_Click(object sender, EventArgs e)

OpenFileDialog ofd = new OpenFileDialog();

ofd.InitialDirectory = Application.ExecutablePath;

ofd.FileName = "";

ofd.Filter = "所有文件(\*)|\*";

string strFileName = "";

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

strFileName = ofd.FileName;

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();

str += "·¡è"+file.Substring(file.LastIndexOf("\\\\") + 1) + ";";

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

/// 结束进程

private void KillThread()

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

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

thisproc.Kill();

\#region 最小化到托盘

private void notifyIcon1\_MouseDoubleClick(object sender, MouseEventArgs e)

this.ShowInTaskbar = true;

this.WindowState = FormWindowState.Normal;

this.Activate();

private void Form1\_SizeChanged(object sender, EventArgs e)

if (this.WindowState == FormWindowState.Minimized)

this.ShowInTaskbar = false;

\#endregion

/// 邮箱分类（comboBox）

private void InitMailCategory()

OleDbConnection Conn = new OleDbConnection(ConnString);

try

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();

mailTotalCount = 0;

DataTable table = new DataTable();

table.Columns.Add("categoryid");

table.Columns.Add("categoryname");

DataRow row = table.NewRow();

row\[0\] = "1000";

row\[1\] = "全部";

table.Rows.Add(row);

while (reader.Read())

row = table.NewRow();

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

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

table.Rows.Add(row);

reader.Close();

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;

catch\{\}

finally

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

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

/// 选择邮箱分类

private void comboBox\_mailcategory\_SelectedIndexChanged(object sender, EventArgs e)

CategoryId =Convert.ToInt32(this.comboBox\_mailcategory.SelectedValue);

LoadMailList();

SentMailCount();

InitTime();

/// 时间长（秒）转换成时分秒格式

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";

/// 验证邮件格式是否正确

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;

\#region TxtOperator

//由于篇幅有限，这里就不具体贴出了，如需了解，详见附件

\#endregion

public class MailSend

//委托

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

//事件

public event dMailSendProgress onMailSendProgress;

public int iTotalCount;

public int interval;

public int iSentCount;

//开始模拟工作

public void Start()

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

if (onMailSendProgress != null)

onMailSendProgress(iTotalCount, i);

Thread.Sleep(interval);

[**点击下载源码**][Link 1]

转载于:https://blog.51cto.com/xiaoyaosr/478278

[Link 1]: http://down.51cto.com/data/185784

邮件群发系统实例-代码解析

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