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 程式師世界 >> 編程語言 >> C語言 >> 關於C語言 >> 用Visual C#發送電子郵件(3)

用Visual C#發送電子郵件(3)

編輯:關於C語言

四.本文源程序代碼( Send.cs )以及程序運行界面:

下圖是編譯好的程序的運行界面:

圖03:Send.cs程序運行界面

以下是Send.cs源程序代碼:

using System ;
using System.Drawing ;
using System.Collections ;
using System.ComponentModel ;
using System.Windows.Forms ;
using System.Data ;
using System.Web ;
using System.Web.Mail ;
//導入程序中使用到的名稱空間
public class Form1 : Form
{
 private Label label1 ;
 private Label label2 ;
 private Label label3 ;
 private Button SendButton ;
 private Button ExitButton ;
 private TextBox FromTextBox ;
 private TextBox ToTextBox ;
 private TextBox SubjectTextBox ;
 private TextBox MessageTextBox ;
 private TextBox CCTextBox ;
 private Label CCLabel ;
 private TextBox BCCTextBox ;
 private Label label4 ;
 private Label label5 ;
 private Button BrowseButton ;
 private OpenFileDialog openFileDialog1 ;
 private TextBox AttachmentTextBox ;
 private System.ComponentModel.Container components = null ;
 public Form1 ( )
 {
   InitializeComponent ( ) ;
 }
 //清除在程序中使用的所有資源
 protected override void Dispose ( bool disposing )
 {
  if ( disposing )
  {
   if ( components != null )
   {
    components.Dispose ( ) ;
   }
  }
  base.Dispose ( disposing ) ;
 }
 private void InitializeComponent ( )
 {
  MessageTextBox = new TextBox ( ) ;
  ToTextBox = new TextBox ( ) ;
  SendButton = new Button ( ) ;
  ExitButton = new Button ( ) ;
  FromTextBox = new TextBox ( ) ;
  label1 = new Label ( ) ;
  SubjectTextBox = new TextBox ( ) ;
  label2 = new Label ( ) ;
  label3 = new Label ( ) ;
  CCTextBox = new TextBox ( ) ;
  CCLabel = new Label ( ) ;
  BCCTextBox = new TextBox ( ) ;
  label4 = new Label ( ) ;
  label5 = new Label ( ) ;
  AttachmentTextBox = new TextBox ( ) ;
  BrowseButton = new Button ( ) ;
  openFileDialog1 = new OpenFileDialog ( ) ;
  FromTextBox.Location = new System.Drawing.Point ( 96 , 16 ) ;
  FromTextBox.Name = "FromTextBox" ;
  FromTextBox.Size = new System.Drawing.Size ( 240 , 20 ) ;
  FromTextBox.TabIndex = 0 ;
  FromTextBox.Text = "" ;
  ToTextBox.Location = new System.Drawing.Point ( 96 , 53 ) ;
  ToTextBox.Name = "ToTextBox" ;
  ToTextBox.Size = new System.Drawing.Size ( 240 , 20 ) ;
  ToTextBox.Text = "" ;
  ToTextBox.TabIndex = 1 ;
  CCTextBox.Location = new System.Drawing.Point ( 96 , 88 ) ;
  CCTextBox.Name = "CCTextBox" ;
  CCTextBox.Size = new System.Drawing.Size ( 240 , 20 ) ;
  CCTextBox.TabIndex = 2 ;
  CCTextBox.Text = "" ;
  BCCTextBox.Location = new System.Drawing.Point ( 96 , 120 ) ;
  BCCTextBox.Name = "BCCTextBox" ;
  BCCTextBox.Size = new System.Drawing.Size ( 240 , 20 ) ;
  BCCTextBox.TabIndex = 3 ;
  BCCTextBox.Text = "" ;
  SubjectTextBox.Location = new System.Drawing.Point ( 96 , 152 ) ;
  SubjectTextBox.Name = "SubjectTextBox" ;
  SubjectTextBox.Size = new System.Drawing.Size ( 240 , 20 ) ;
  SubjectTextBox.TabIndex = 4 ;
  SubjectTextBox.Text = "" ;
  AttachmentTextBox.Location = new System.Drawing.Point ( 96 , 184 ) ;
  AttachmentTextBox.Name = "AttachmentTextBox" ;
  AttachmentTextBox.Size = new System.Drawing.Size ( 168 , 20 ) ;
  AttachmentTextBox.TabIndex = 5 ;
  AttachmentTextBox.Text = "" ;
  MessageTextBox.Location = new System.Drawing.Point ( 8 , 216 ) ;
  MessageTextBox.Multiline = true ;
  MessageTextBox.Name = "MessageTextBox" ;
  MessageTextBox.Size = new System.Drawing.Size ( 320 , 152 ) ;
  MessageTextBox.Text = "" ;
  MessageTextBox.TabIndex = 6 ;
  BrowseButton.Location = new System.Drawing.Point ( 280 , 184 ) ;
  BrowseButton.Name = "BrowseButton";
  BrowseButton.Size = new System.Drawing.Size ( 56 , 24 ) ;
  BrowseButton.Text = "浏覽文件" ;
  BrowseButton.TabIndex = 7 ;
  BrowseButton.Click += new System.EventHandler ( BrowseButton_Click ) ;
  SendButton.Location = new System.Drawing.Point ( 64 , 380 ) ;
  SendButton.Name = "SendButton" ;
  SendButton.Size = new System.Drawing.Size ( 72 , 24 ) ;
  SendButton.Text = "發送郵件" ;
  SendButton.TabIndex = 8 ;
  SendButton.Click += new System.EventHandler ( SendButton_Click ) ;
  ExitButton.Location = new System.Drawing.Point ( 200 , 380 ) ;
  ExitButton.Name = "ExitButton" ;
  ExitButton.Size = new System.Drawing.Size ( 72 , 24 ) ;
  ExitButton.Text = "退出程序";
  ExitButton.TabIndex = 9 ;
  ExitButton.Click += new System.EventHandler ( ExitButton_Click ) ;
  label1.Font = new System.Drawing.Font ( "宋體", 9F );
  label1.Location = new System.Drawing.Point ( 48 , 16 ) ;
  label1.Name = "label1" ;
  label1.Size = new System.Drawing.Size ( 48 , 16 ) ;
  label1.Text = "發信人:" ;
  label2.Font = new System.Drawing.Font ( "宋體", 9F );
  label2.Location = new System.Drawing.Point ( 48 , 53 ) ;
  label2.Name = "label2" ;
  label2.Size = new System.Drawing.Size ( 48 , 16 ) ;
  label2.Text = "收信人:" ;
 
  label3.Font = new System.Drawing.Font ( "宋體", 9F ) ;
  label3.Location = new System.Drawing.Point ( 48 , 152 ) ;
  label3.Name = "label3" ;
  label3.Size = new System.Drawing.Size ( 48 , 16 ) ;
  label3.Text = "主 題:" ;
  CCLabel.Font = new System.Drawing.Font ( "宋體", 9F ) ;
  CCLabel.Location = new System.Drawing.Point ( 48 , 88 ) ;
  CCLabel.Name = "CCLabel" ;
  CCLabel.Size = new System.Drawing.Size ( 48 , 16 ) ;
  CCLabel.Text = "抄 送:" ;
  label4.Font = new System.Drawing.Font ( "宋體", 9F ) ;
  label4.Location = new System.Drawing.Point ( 48 , 120 ) ;
  label4.Name = "label4" ;
  label4.Size = new System.Drawing.Size ( 48 , 16 ) ;
  label4.Text = "暗 送:" ;
  label5.Font = new System.Drawing.Font ( "宋體", 9F ) ;
  label5.Location = new System.Drawing.Point ( 48 , 184 ) ;
  label5.Name = "label5" ;
  label5.Size = new System.Drawing.Size ( 48 , 16 ) ;
  label5.Text = "附 件:" ;
  openFileDialog1.Title = "選擇文件作為郵件的附件:" ;
  this.AutoScaleBaseSize = new System.Drawing.Size ( 5 , 13 ) ;
  this.ClIEntSize = new System.Drawing.Size ( 344 , 413 ) ;
  
  this.Controls.Add ( BrowseButton ) ;
  this.Controls.Add ( AttachmentTextBox ) ;
  this.Controls.Add ( label5 ) ;
  this.Controls.Add ( label4 ) ;
  this.Controls.Add ( BCCTextBox ) ;
  this.Controls.Add ( CCLabel ) ;
  this.Controls.Add ( CCTextBox ) ;
  this.Controls.Add ( ExitButton ) ;
  this.Controls.Add ( SendButton ) ;
  this.Controls.Add ( label3 ) ;
  this.Controls.Add ( label2 ) ;
  this.Controls.Add ( label1 ) ;
  this.Controls.Add ( SubjectTextBox ) ;
  this.Controls.Add ( ToTextBox ) ;
  this.Controls.Add ( FromTextBox ) ;
  this.Controls.Add ( MessageTextBox ) ;
  this.Name = "Form1" ;
  this.Text = "用Visual C#做郵件發送軟件!" ;
  this.ResumeLayout ( false );
 }
 static void Main ( )
 {
  Application.Run ( new Form1 ( ) ) ;
 }
 private void SendButton_Click ( object sender , System.EventArgs e )
 {
  try
  {
   MailMessage aMessage = new MailMessage ( ) ;
   //新建一個MailMessage對象
   aMessage.From = FromTextBox.Text ;
   //定義發信人地址,如果是多人,可以用","分開
   aMessage.To = ToTextBox.Text ;
   //定義收信人地址,如果是多人,可以用","分開
   aMessage.Cc = CCTextBox.Text ;
   //定義抄送人地址,如果是多人,可以用","分開
   aMessage.Bcc = BCCTextBox.Text ;
   //定義暗送人地址,如果是多人,可以用","分開
   aMessage.Subject = SubjectTextBox.Text ;
   //定義郵件的主題
   aMessage.Body = MessageTextBox.Text ;
   //定義郵件的內容
   if ( AttachmentTextBox.Text.Length > 0 )
    aMessage.Attachments.Add ( new MailAttachment ( AttachmentTextBox.Text , MailEncoding.Base64 ) ) ;
   //給郵件增加一個附件
   SmtpMail.Send ( aMessage ) ;
   //發送電子郵件
   MessageBox.Show( "電子郵件已經發送到->" + ToTextBox.Text ) ;
  }
  catch ( Exception ex )
  {
   MessageBox.Show ( ex.Message.ToString ( ) ) ;
  }
 }
 private void ExitButton_Click ( object sender , System.EventArgs e )
 {
  Application.Exit ( ) ;
 }
 private void BrowseButton_Click ( object sender , System.EventArgs e )
 {
  if ( openFileDialog1.ShowDialog ( ) == DialogResult.OK )
  {
   AttachmentTextBox.Text = openFileDialog1.FileName ;
  }
 }
}

五.總結:

至此我們已經用Visual C#完成了一個功能十分完備的電子郵件發送軟件。可見,在程序中,起到關鍵作用的是.Net FrameWork SDK,正是他的豐富的類庫,使得發送電子郵件變成一件十分輕松的事情。其實你也只有掌握了.Net FrameWork SDK中的類庫,Visual C#才能發揮其最大的功能。

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