打造邮件接受器VS2005版代码,CSharp代码库,德仔网

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【CSharp】打造邮件接受器VS2005版
作者:xqf222 / 发布于2014/2/25/ 459
//代码来源：百度搜索关键字－－C#打造邮件接受器

//改编原由：希望打造一个收取和处理POP3网易和新浪等常用邮局的邮件的自己的邮件备份软件

//代码修正地方源代码中的str1.Substring(0, 2)修正为str1[0].Substring(0, 2)。估计原文没有测试。

//修正后的代码请在我的上传文件中找寻,命名空间PopEmailManager

//Form1.Designer.cs代码

namespace PopEmailManager
{
 partial class Form1
 {
 /// <summary>
 /// 必需的设计器变量。
 /// </summary>
 private System.ComponentModel.IContainer components = null;

 /// <summary>
 /// 清理所有正在使用的资源。
 /// </summary>
 /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
 protected override void Dispose(bool disposing)
 {
 if (disposing && (components != null))
 {
 components.Dispose();
 }
 base.Dispose(disposing);
 }

 #region Windows 窗体设计器生成的代码

 /// <summary>
 /// 设计器支持所需的方法 - 不要
 /// 使用代码编辑器修改此方法的内容。
 /// </summary>
 private void InitializeComponent()
 {
 this.groupBox1 = new System.Windows.Forms.GroupBox();
 this.button2 = new System.Windows.Forms.Button();
 this.button1 = new System.Windows.Forms.Button();
 this.textBox3 = new System.Windows.Forms.TextBox();
 this.textBox2 = new System.Windows.Forms.TextBox();
 this.textBox1 = new System.Windows.Forms.TextBox();
 this.label3 = new System.Windows.Forms.Label();
 this.label2 = new System.Windows.Forms.Label();
 this.label1 = new System.Windows.Forms.Label();
 this.groupBox2 = new System.Windows.Forms.GroupBox();
 this.richTextBox1 = new System.Windows.Forms.RichTextBox();
 this.groupBox3 = new System.Windows.Forms.GroupBox();
 this.button4 = new System.Windows.Forms.Button();
 this.button3 = new System.Windows.Forms.Button();
 this.listBox1 = new System.Windows.Forms.ListBox();
 this.groupBox4 = new System.Windows.Forms.GroupBox();
 this.listBox2 = new System.Windows.Forms.ListBox();
 this.groupBox1.SuspendLayout();
 this.groupBox2.SuspendLayout();
 this.groupBox3.SuspendLayout();
 this.groupBox4.SuspendLayout();
 this.SuspendLayout();
 //
 // groupBox1
 //
 this.groupBox1.Controls.Add(this.button2);
 this.groupBox1.Controls.Add(this.button1);
 this.groupBox1.Controls.Add(this.textBox3);
 this.groupBox1.Controls.Add(this.textBox2);
 this.groupBox1.Controls.Add(this.textBox1);
 this.groupBox1.Controls.Add(this.label3);
 this.groupBox1.Controls.Add(this.label2);
 this.groupBox1.Controls.Add(this.label1);
 this.groupBox1.Location = new System.Drawing.Point(16, 16);
 this.groupBox1.Name = "groupBox1";
 this.groupBox1.Size = new System.Drawing.Size(696, 144);
 this.groupBox1.TabIndex = 0;
 this.groupBox1.TabStop = false;
 this.groupBox1.Text = "连接选项";
 //
 // button2
 //
 this.button2.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(192)))), ((int)(((byte)(192)))));
 this.button2.Location = new System.Drawing.Point(584, 96);
 this.button2.Name = "button2";
 this.button2.Size = new System.Drawing.Size(96, 32);
 this.button2.TabIndex = 7;
 this.button2.Text = "断开连接";
 this.button2.UseVisualStyleBackColor = false;
 this.button2.Click += new System.EventHandler(this.button2_Click);
 //
 // button1
 //
 this.button1.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(192)))), ((int)(((byte)(192)))));
 this.button1.Location = new System.Drawing.Point(584, 40);
 this.button1.Name = "button1";
 this.button1.Size = new System.Drawing.Size(96, 32);
 this.button1.TabIndex = 6;
 this.button1.Text = "建立连接";
 this.button1.UseVisualStyleBackColor = false;
 this.button1.Click += new System.EventHandler(this.button1_Click);
 //
 // textBox3
 //
 this.textBox3.Location = new System.Drawing.Point(160, 112);
 this.textBox3.Name = "textBox3";
 this.textBox3.PasswordChar = '*';
 this.textBox3.Size = new System.Drawing.Size(384, 21);
 this.textBox3.TabIndex = 5;
 //
 // textBox2
 //
 this.textBox2.Location = new System.Drawing.Point(160, 64);
 this.textBox2.Name = "textBox2";
 this.textBox2.Size = new System.Drawing.Size(384, 21);
 this.textBox2.TabIndex = 4;
 //
 // textBox1
 //
 this.textBox1.Location = new System.Drawing.Point(160, 24);
 this.textBox1.Name = "textBox1";
 this.textBox1.Size = new System.Drawing.Size(384, 21);
 this.textBox1.TabIndex = 3;
 this.textBox1.Text = "Pop.163.com";
 //
 // label3
 //
 this.label3.Location = new System.Drawing.Point(24, 112);
 this.label3.Name = "label3";
 this.label3.Size = new System.Drawing.Size(120, 23);
 this.label3.TabIndex = 2;
 this.label3.Text = "密码";
 //
 // label2
 //
 this.label2.Location = new System.Drawing.Point(24, 64);
 this.label2.Name = "label2";
 this.label2.Size = new System.Drawing.Size(120, 23);
 this.label2.TabIndex = 1;
 this.label2.Text = "用户名";
 //
 // label1
 //
 this.label1.Location = new System.Drawing.Point(24, 24);
 this.label1.Name = "label1";
 this.label1.Size = new System.Drawing.Size(120, 23);
 this.label1.TabIndex = 0;
 this.label1.Text = "P0P3邮件服务器";
 //
 // groupBox2
 //
 this.groupBox2.Controls.Add(this.richTextBox1);
 this.groupBox2.Location = new System.Drawing.Point(24, 192);
 this.groupBox2.Name = "groupBox2";
 this.groupBox2.Size = new System.Drawing.Size(544, 224);
 this.groupBox2.TabIndex = 1;
 this.groupBox2.TabStop = false;
 this.groupBox2.Text = "邮件内容";
 //
 // richTextBox1
 //
 this.richTextBox1.Location = new System.Drawing.Point(16, 24);
 this.richTextBox1.Name = "richTextBox1";
 this.richTextBox1.Size = new System.Drawing.Size(520, 184);
 this.richTextBox1.TabIndex = 0;
 this.richTextBox1.Text = "";
 //
 // groupBox3
 //
 this.groupBox3.Controls.Add(this.button4);
 this.groupBox3.Controls.Add(this.button3);
 this.groupBox3.Controls.Add(this.listBox1);
 this.groupBox3.Location = new System.Drawing.Point(584, 192);
 this.groupBox3.Name = "groupBox3";
 this.groupBox3.Size = new System.Drawing.Size(136, 224);
 this.groupBox3.TabIndex = 2;
 this.groupBox3.TabStop = false;
 this.groupBox3.Text = "邮件信息";
 //
 // button4
 //
 this.button4.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(192)))), ((int)(((byte)(192)))));
 this.button4.Enabled = false;
 this.button4.Location = new System.Drawing.Point(72, 192);
 this.button4.Name = "button4";
 this.button4.Size = new System.Drawing.Size(56, 23);
 this.button4.TabIndex = 2;
 this.button4.Text = "删除";
 this.button4.UseVisualStyleBackColor = false;
 this.button4.Click += new System.EventHandler(this.button4_Click);
 //
 // button3
 //
 this.button3.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(192)))), ((int)(((byte)(192)))));
 this.button3.Enabled = false;
 this.button3.Location = new System.Drawing.Point(8, 192);
 this.button3.Name = "button3";
 this.button3.Size = new System.Drawing.Size(56, 23);
 this.button3.TabIndex = 1;
 this.button3.Text = "阅读";
 this.button3.UseVisualStyleBackColor = false;
 this.button3.Click += new System.EventHandler(this.button3_Click);
 //
 // listBox1
 //
 this.listBox1.Enabled = false;
 this.listBox1.ItemHeight = 12;
 this.listBox1.Location = new System.Drawing.Point(8, 24);
 this.listBox1.Name = "listBox1";
 this.listBox1.Size = new System.Drawing.Size(120, 160);
 this.listBox1.TabIndex = 0;
 //
 // groupBox4
 //
 this.groupBox4.Controls.Add(this.listBox2);
 this.groupBox4.Location = new System.Drawing.Point(24, 424);
 this.groupBox4.Name = "groupBox4";
 this.groupBox4.Size = new System.Drawing.Size(696, 96);
 this.groupBox4.TabIndex = 3;
 this.groupBox4.TabStop = false;
 this.groupBox4.Text = "收信状态";
 //
 // listBox2
 //
 this.listBox2.ItemHeight = 12;
 this.listBox2.Location = new System.Drawing.Point(16, 16);
 this.listBox2.Name = "listBox2";
 this.listBox2.Size = new System.Drawing.Size(672, 76);
 this.listBox2.TabIndex = 0;
 //
 // Form1
 //
 this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
 this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
 this.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(192)))), ((int)(((byte)(255)))), ((int)(((byte)(255)))));
 this.ClientSize = new System.Drawing.Size(741, 539);
 this.Controls.Add(this.groupBox4);
 this.Controls.Add(this.groupBox3);
 this.Controls.Add(this.groupBox2);
 this.Controls.Add(this.groupBox1);
 this.MaximizeBox = false;
 this.Name = "Form1";
 this.Text = "C#打造邮件接受器VS2005版";
 this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);
 this.groupBox1.ResumeLayout(false);
 this.groupBox1.PerformLayout();
 this.groupBox2.ResumeLayout(false);
 this.groupBox3.ResumeLayout(false);
 this.groupBox4.ResumeLayout(false);
 this.ResumeLayout(false);

 }

 #endregion

 private System.Windows.Forms.GroupBox groupBox1;
 private System.Windows.Forms.Label label1;
 private System.Windows.Forms.Label label2;
 private System.Windows.Forms.Label label3;
 private System.Windows.Forms.TextBox textBox1;
 private System.Windows.Forms.TextBox textBox2;
 private System.Windows.Forms.TextBox textBox3;
 private System.Windows.Forms.Button button1;
 private System.Windows.Forms.Button button2;
 private System.Windows.Forms.GroupBox groupBox2;
 private System.Windows.Forms.GroupBox groupBox3;
 private System.Windows.Forms.GroupBox groupBox4;
 private System.Windows.Forms.RichTextBox richTextBox1;
 private System.Windows.Forms.ListBox listBox1;
 private System.Windows.Forms.Button button3;
 private System.Windows.Forms.Button button4;
 private System.Windows.Forms.ListBox listBox2;


 }
}



//Form1.cs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.Net.Sockets;
using System.IO;

namespace PopEmailManager
{
 public partial class Form1 : Form
 {
 public TcpClient Server;
 public StreamReader sr;
 public StreamWriter sw;
 public string Data, content;
 public string CRLF = "/r/n";

 public Form1()
 {
 InitializeComponent();
 }

 private void button1_Click(object sender, EventArgs e)
 {
 this.listBox1.Items.Clear();
 this.listBox2.Items.Clear();
 try
 {
 Server = new TcpClient(this.textBox1.Text, 110);
 sr = new StreamReader(Server.GetStream(), System.Text.Encoding.ASCII);
 sw = new StreamWriter(Server.GetStream(), System.Text.Encoding.ASCII);
 this.listBox2.Items.Add(sr.ReadLine());
 Data = "USER " + this.textBox2.Text;
 sw.WriteLine(Data);
 sw.Flush();
 this.listBox2.Items.Add(sr.ReadLine());
 Data = "PASS " + this.textBox3.Text;
 sw.WriteLine(Data);
 sw.Flush();
 this.listBox2.Items.Add(sr.ReadLine());
 Data = "STAT";
 sw.WriteLine(Data);
 sw.Flush();
 string str = sr.ReadLine();
 this.listBox2.Items.Add(str);
 str = str.Substring(4, str.IndexOf(" ", 5) - 4);
 int count = Int32.Parse(str);
 if (count > 0)
 {
 this.listBox1.Enabled = true;
 this.button4.Enabled = true;
 this.button3.Enabled = true;
 this.listBox1.Items.Clear();
 for (int i = 0; i < count; i++)
 {
 this.listBox1.Items.Add("第" + (i + 1) + "封邮件");
 }
 this.listBox1.SelectedIndex = 0;
 }
 else
 {
 this.listBox1.Items.Add("没有新邮件");
 this.listBox1.Enabled = false;
 this.button3.Enabled = false;
 this.button4.Enabled = false;
 }
 this.button1.Enabled = false;
 this.button2.Enabled = true;
 }
 catch
 {
 this.listBox2.Items.Add("有错误发生,请检查");
 Server.Close();
 sw.Close();
 sr.Close();
 this.button3.Enabled = false;
 this.button4.Enabled = false;
 button1.Enabled = true;
 button2.Enabled = false;
 }

 }

 private void button2_Click(object sender, EventArgs e)
 {
 try
 {
 Data = "QUIT";
 sw.WriteLine(Data);
 sw.Flush();
 this.listBox2.Items.Add(sr.ReadLine());
 sw.Close();
 sr.Close();
 this.richTextBox1.Clear();
 this.listBox1.Items.Clear();
 this.listBox1.Enabled = false;
 this.button3.Enabled = false;
 this.button4.Enabled = false;
 button1.Enabled = true;
 button2.Enabled = false;
 Server.Close();
 }
 catch
 {
 sw.Close();
 sr.Close();
 this.richTextBox1.Clear();
 this.listBox1.Items.Clear();
 this.listBox1.Enabled = false;
 this.button3.Enabled = false;
 this.button4.Enabled = false;
 button1.Enabled = true;
 button2.Enabled = false;
 Server.Close();
 }

 }

 private void button3_Click(object sender, EventArgs e)
 {
 String strTemp;
 content = "";
 this.richTextBox1.Clear();
 try
 {
 string str = this.listBox1.SelectedItem.ToString();
 str = str.Substring(1, str.IndexOf("封") - 1);
 Data = "RETR " + str;
 sw.WriteLine(Data);
 sw.Flush();
 strTemp = sr.ReadLine();
 if (strTemp[0] != '-')
 {
 while (strTemp != ".")
 {
 content += strTemp + CRLF;
 strTemp = sr.ReadLine();
 }
 }
 else
 {
 this.listBox2.Items.Add(strTemp);
 }
 char[] seperator = { '/n' };
 string[] str1 = content.Trim().Split(seperator);
 for (int i = 0; i <= 9; i++)
 {
 if (str1.Length != 0)
 {
 if (str1[0].Substring(0, 2).ToLower() == "to")
 {
 this.richTextBox1.Text += "发送到" + str1[0].Substring(2, str1.Length - 2);
 }
 if (str1[1].Substring(0, 4).ToLower() == "from")
 {
 this.richTextBox1.Text += "来自" + str1[1].Substring(4, str1.Length - 4);
 }
 if (str1[2].Substring(0, 7).ToLower() == "subject")
 {
 this.richTextBox1.Text += "标题" + str1[20].Substring(7, str1.Length - 7);
 }
 if (str1[3].Substring(0, 4).ToLower() == "date")
 {
 this.richTextBox1.Text += "日期" + str1[3].Substring(4, str1.Length - 4);
 }
 }
 }
 this.richTextBox1.Text += "内容: " + CRLF;
 for (int j = 12; j < str1.Length; j++)
 {
 if (str1[j].Trim().Length != 0)
 {
 this.richTextBox1.Text += str1[j];
 }
 }
 }
 catch
 {
 this.listBox2.Items.Add("ERROR!");
 }

 }

 private void button4_Click(object sender, EventArgs e)
 {
 this.richTextBox1.Clear();
 try
 {
 string str = this.listBox1.SelectedItem.ToString();
 str = str.Substring(1, str.IndexOf("封") - 1);
 Data = "DELE " + str;
 sw.WriteLine(Data);
 sw.Flush();
 this.listBox2.Items.Add(sr.ReadLine());
 int i = this.listBox1.SelectedIndex;
 this.listBox1.Items.Remove(this.listBox1.Items.ToString());
 MessageBox.Show("删除成功", "操作成功");
 }
 catch
 {
 this.listBox1.Items.Add("ERROR!");
 }

 }
 public static string FromUnicodeByteArray(byte[] characters)
 {
 UnicodeEncoding encoding = new UnicodeEncoding();
 string constructedString = encoding.GetString(characters);
 return (constructedString);
 }
 public static string FromASCIIByteArray(byte[] characters)
 {
 ASCIIEncoding encoding = new ASCIIEncoding();
 string constructedString = encoding.GetString(characters);
 return (constructedString);
 }

 private void Form1_FormClosing(object sender, FormClosingEventArgs e)
 {
 try
 {
 sr.Close();
 sw.Close();
 Server.Close();
 }
 catch
 {
 }

 }

 }
}
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