实例介绍
【实例简介】
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Collections; using System.Threading; using OpenPOP.POP3; using OpenPOP; //download by http://www.codefans.net namespace MailClient { public partial class Form1 : Form { private POPClient popClient = new POPClient(); private Hashtable msgs = new Hashtable(); public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { txtMessage.Text = ""; msgs.Clear(); listMessages.Nodes.Clear();//邮件列表 listAttachments.Nodes.Clear();//附件列表 popClient.AuthenticationBegan = new EventHandler(popClient_AuthenticationBegan); popClient.AuthenticationFinished = new EventHandler(popClient_AuthenticationFinished); popClient.CommunicationBegan = new EventHandler(popClient_CommunicationBegan); popClient.CommunicationOccured = new EventHandler(popClient_CommunicationOccured); popClient.CommunicationLost = new EventHandler(popClient_CommunicationLost); popClient.MessageTransferBegan = new EventHandler(popClient_MessageTransferBegan); popClient.MessageTransferFinished = new EventHandler(popClient_MessageTransferFinished); } #region 通讯事件 private void popClient_CommunicationBegan(object sender, EventArgs e) { AddEvent("开始连接POP3服务器"); } private void popClient_CommunicationOccured(object sender, EventArgs e) { AddEvent("连接成功!"); } private void popClient_AuthenticationBegan(object sender, EventArgs e) { AddEvent("经行用户验证"); } private void popClient_AuthenticationFinished(object sender, EventArgs e) { AddEvent("验证成功!"); } private void popClient_MessageTransferBegan(object sender, EventArgs e) { AddEvent("开始经行邮件接收"); } private void popClient_MessageTransferFinished(object sender, EventArgs e) { AddEvent("邮件接收完毕!"); } private void popClient_CommunicationLost(object sender, EventArgs e) { AddEvent("关闭连接!"); } #endregion /// <summary> /// 接收邮件,直接收邮件头 /// 陈明新 /// </summary> private void ReceiveMails() { popClient.Disconnect(); popClient.Connect(txtPOPServer.Text, int.Parse(txtPort.Text)); popClient.Authenticate(txtLogin.Text, txtPassword.Text); int Count = popClient.GetMessageCount();//读取邮件总数 txtTotalMessages.Text = Count.ToString(); txtMessage.Text = ""; msgs.Clear(); listMessages.Nodes.Clear();//邮件列表 listAttachments.Nodes.Clear();//附件列表 for (int i = Count; i >= 1; i -= 1) { OpenPOP.MIMEParser.Message m = popClient.GetMessageHeader(i);//获得邮件头 TreeNode node; if (m != null) { if (m.Subject.Length > 0) node = listMessages.Nodes.Add(m.Subject); else node = listMessages.Nodes.Add("无主题"); node.Tag = i.ToString(); } Thread.Sleep(1); } MessageBox.Show(this, "邮件接收完毕!"); } private void button1_Click(object sender, EventArgs e) { ReceiveMails(); } private void listMessages_AfterSelect(object sender, TreeViewEventArgs e) { OpenPOP.MIMEParser.Message m = popClient.GetMessage(Int32.Parse(listMessages.SelectedNode.Tag.ToString()), false);//读出邮件全部内容 if (msgs["msg" listMessages.SelectedNode.Tag.ToString()] == null) msgs.Add("msg" listMessages.SelectedNode.Tag.ToString(), m);//存入哈希表 if (m != null) { if (m.MessageBody.Count > 0) { txtMessage.Text = (string)m.MessageBody[m.MessageBody.Count - 1]; webBrowser1.DocumentText = (string)m.MessageBody[m.MessageBody.Count - 1]; } listAttachments.Nodes.Clear(); string filenm=""; for (int i = 0; i < m.AttachmentCount; i ) { OpenPOP.MIMEParser.Attachment att = m.GetAttachment(i);//获取邮件附件列表 filenm = m.GetAttachmentFileName(att); if (filenm != "body.html" && filenm != "body.htm")//附件列表中去除邮件正文 listAttachments.Nodes.Add(filenm).Tag = att; } #region 邮件详细信息 DataSet ds = new DataSet(); ds.Tables.Add("table1"); ds.Tables[0].Columns.Add("Header"); ds.Tables[0].Columns.Add("Value"); ds.Tables[0].Rows.Add(new object[] { "AttachmentBoundry", m.AttachmentBoundry }); ds.Tables[0].Rows.Add(new object[] { "AttachmentBoundry2", m.AttachmentBoundry2 }); ds.Tables[0].Rows.Add(new object[] { "AttachmentCount", m.AttachmentCount }); for (int j = 0; j < m.CC.Length; j ) ds.Tables[0].Rows.Add(new object[] { "CC", m.CC[j] }); for (int j = 0; j < m.TO.Length; j ) ds.Tables[0].Rows.Add(new object[] { "TO", m.TO[j] }); ds.Tables[0].Rows.Add(new object[] { "ContentEncoding", m.ContentEncoding }); ds.Tables[0].Rows.Add(new object[] { "ContentLength", m.ContentLength }); ds.Tables[0].Rows.Add(new object[] { "ContentType", m.ContentType }); ds.Tables[0].Rows.Add(new object[] { "FROM", m.From }); ds.Tables[0].Rows.Add(new object[] { "FromEmail", m.FromEmail }); ds.Tables[0].Rows.Add(new object[] { "HasAttachment", m.HasAttachment }); ds.Tables[0].Rows.Add(new object[] { "MessageID", m.MessageID }); ds.Tables[0].Rows.Add(new object[] { "MimeVersion", m.MimeVersion }); ds.Tables[0].Rows.Add(new object[] { "ReturnPath", m.ReturnPath }); ds.Tables[0].Rows.Add(new object[] { "Subject", m.Subject }); ds.Tables[0].Rows.Add(new object[] { "Date", m.Date }); ds.Tables[0].Rows.Add(new object[] { "Received", m.Received }); ds.Tables[0].Rows.Add(new object[] { "HTML", m.HTML }); ds.Tables[0].Rows.Add(new object[] { "Importance", m.Importance }); ds.Tables[0].Rows.Add(new object[] { "ReplyTo", m.ReplyTo }); ds.Tables[0].Rows.Add(new object[] { "ReplyToEmail", m.ReplyToEmail }); for (int j = 0; j < m.Keywords.Count; j ) ds.Tables[0].Rows.Add(new object[] { "Keyword", (string)m.Keywords[j] }); for (IDictionaryEnumerator i = m.CustomHeaders.GetEnumerator(); i.MoveNext(); ) ds.Tables[0].Rows.Add(new object[] { (string)i.Entry.Key, (string)i.Entry.Value }); gridHeaders.DataMember = ds.Tables[0].TableName; gridHeaders.DataSource = ds; #endregion } } private void listAttachments_AfterSelect(object sender, TreeViewEventArgs e) { OpenPOP.MIMEParser.Attachment att = (OpenPOP.MIMEParser.Attachment)listAttachments.SelectedNode.Tag; OpenPOP.MIMEParser.Message m = (OpenPOP.MIMEParser.Message)msgs["msg" listMessages.SelectedNode.Tag.ToString()]; if (att != null & m != null) { saveFile.FileName = m.GetAttachmentFileName(att); DialogResult result = saveFile.ShowDialog(); if (result != DialogResult.OK) return; //if (m.IsMIMEMailFile(att))//这里MIME 邮件 也通过附件形式直接下载 //{ // result = MessageBox.Show(this, "邮件附件是 MIME 类型,要执行吗?", "MIME mail", MessageBoxButtons.YesNo); // if (result == DialogResult.Yes) // { // OpenPOP.MIMEParser.Message m2 = att.DecodeAsMessage(); // string attachmentNames = ""; // bool blnRet = false; // if (m2.AttachmentCount > 0) // for (int i = 0; i < m2.AttachmentCount; i ) // { // OpenPOP.MIMEParser.Attachment att2 = m2.GetAttachment(i); // attachmentNames = m2.GetAttachmentFileName(att2) "(" att2.ContentLength " bytes)\r\n"; // } // blnRet = m.SaveAttachments(System.IO.Path.GetDirectoryName(saveFile.FileName)); // MessageBox.Show(this, "附件 " (blnRet == true ? "保存成功" : "保存失败") "!\r\n\r\n附件:\r\n" attachmentNames); // } // else // { // MessageBox.Show(this, "附件 " ((m.SaveAttachment(att, saveFile.FileName)) ? "保存成功" : "保存失败") "!"); // } //} //else MessageBox.Show(this, "附件 " ((m.SaveAttachment(att, saveFile.FileName)) ? "保存成功" : "保存失败") "!"); } } private void toolStripMenuItem1_Click(object sender, EventArgs e) { DialogResult drRet = MessageBox.Show(this, "确定要删除该邮件?", "删除邮件", MessageBoxButtons.YesNo); if (drRet == DialogResult.Yes) { popClient.DeleteMessage(Convert.ToInt32(listMessages.SelectedNode.Tag)); listMessages.SelectedNode.Remove(); drRet = MessageBox.Show(this, "要重新读取邮件列表吗?", "收邮件", MessageBoxButtons.YesNo); if (drRet == DialogResult.Yes) ReceiveMails(); } } private void AddEvent(string strEvent) { lstEvents.Items.Add(strEvent); lstEvents.SelectedIndex = lstEvents.Items.Count - 1; } } }
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