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<html><head><script language="JavaScript"> function reset(){ for ( var i=0; i < document.Form1.elements.length; i++ ) { document.Form1.elements[i].options[0].selected=true }}function going(url){ parent.location=url; reset();}</script><style><!--A:link {text-decoration: none; color: #000000; font-family: 宋体}A:visited {text-decoration: none; color: #000000; font-family: 宋体}A:active {text-decoration: none; font-family: 宋体}A:hover {text-decoration: underline:#ffffff; color: #ff0000}body,table {font-size: 9pt; font-family: 宋体}.H1 {font-size: 9pt ; line-height:9pt; align=center}.ourfont {font-size: 9pt ; line-height:9pt; }.ourfont1 {font-size: 9pt ; line-height:9pt; }--></style><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>利用Delphi编程发送E－mail?</title></head><body topmargin="0" leftmargin="0"><div align="center"><center><table border="0" cellPadding="0" cellSpacing="0" width="700"><tbody> <tr> <td><p class="content4"><span class="font"><img border="0" height="3" src="../../soft/pix.gif" width="700"></span></td> </tr></tbody></table></center></div><div align="center"><center><table border="0" cellPadding="0" cellSpacing="0" width="700"><tbody> <tr> <td bgColor="#3399ff" width="658"><p class="ourfont"><span class="font"> </span><a style="text-decoration: none; color: rgb(255,255,255)" href="../os/H00705-2.htm">操作系统</a><font color="#FFFFFF"><span class="font"><span> |</span></span></font><a style="color: rgb(255,255,255); text-decoration: none" href="../image/H00705-14.htm">图像处理</a><font color="#FFFFFF"><span>|<span class="font"> </span></span></font><a style="color: rgb(255,255,255); text-decoration: none" href="../autoCAD/H00705-19.htm">辅助设计</a><span class="font"><font color="#FFFFFF"><span> | </span></font></span><a style="color: rgb(255,255,255); text-decoration: none" href="../data/H00705-18.htm">数 据 库</a><span class="font"><font color="#FFFFFF"><span> | </span></font></span><a style="color: rgb(255,255,255); text-decoration: none" href="H00706-1.htm">高级编程</a><span class="font"><font color="#FFFFFF"><span> | </span></font></span><a style="color: rgb(255,255,255); text-decoration: none" href="../netuse/H00705-20.htm">网络应用</a><font color="#FFFFFF"><span><span class="font"> | </span></span></font><a style="color: rgb(255,255,255); text-decoration: none" href="../webpage/H00705-21.htm">网页制作</a><font color="#FFFFFF"><span><span class="font"> |</span></span></font> <a style="color: rgb(255,255,255); text-decoration: none" href="../technic/H00706-3.htm">技术交流 </a><a style="color: rgb(255,255,255); text-decoration: none" href="http://202.100.13.77/clslyb/default.asp?clsid=jiaoc"><font color="#FFFFFF"><strong>过客留言</strong></font></a></td> <td bgColor="#3399ff" width="32"><p align="center" class="ourfont"><a href="mailto:net@163.sn.cn"><img src="../../soft/email.gif" alt="email.gif (493 字节)" border="0" WIDTH="20" HEIGHT="19"></a></td> </tr></tbody></table></center></div><div align="center"><center><table border="1" cellSpacing="1" width="700" bordercolor="#3399FF"><tbody> <tr> <td align="left" bgColor="#FFFFFF" vAlign="top" width="700" bordercolor="#0000FF" bordercolorlight="#0000FF" bordercolordark="#0000FF"><p class="ourfont"> </p> <p align="center">利用Delphi编程发送E－mail <br> <br> (上海 钱可栋) </p> <p><br> <br> 接发E－mail是许多“网虫”必修的功课，E－mail工具软件也很多，国外的有Microsoft的Outlook Express、The Bat等，国内则有FoxMail这样的精品。其实，利用可视化编程工具Delphi4.0也能够制作出自己的E－mail软件。<br> Delphi4.0有关E－mail的组件有两个：NmPOP3和NmSTMP，它们都位于Internet选项卡上，其中，NmPOP3组件封装并实现POP3协议，用来从Internet POP3服务器上读取电子邮件；NmSTMP封装并实现STMP协议，可用来向Internet的STMP服务器发送电子邮件。限于篇幅，我们不能两者都介绍，这里只用NmSTMP编写一个发送E－mail的程序，至于NmPOP3，以后有机会再谈，或者在看完本文后你有兴趣，也可以借助于Delphi的帮助文档尝试用NmPOP3编程。<br> 我们先来看一下程序运行界面。图1是程序主窗体，上面有一个字符串网格（StringGrid）和三个按钮，它们的容器是仅有一个标签的PageControl。单击“Clear”钮清除网格内容，单击“Send”钮发送E－mail，单击“New Mail”钮弹出图2所示的对话框，此对话框用来设置STMP服务器名称、发件人地址、收件人地址、发件人名称和邮件主题，其中前三项必须填写，“Select File”按钮用来打开Open对话框，以便选取要发送的附件。<br> NmSTMP的属性和方法不多，关键的属性是Host（STMP服务器名称）和PostMessage（包含邮件信息），正确设置了Host属性和PostMessage属性后，就可以用Connect方法（连接服务器）和SendMail方法发送E－mail了。<br> 编写代码之前先要改变StringGrid1的一些缺省属性：ColCount属性为6，FixedCols属性为0，RowCount属性为2，另外，将PageControl1的Align属性置为alClient。<br> 以下是Unit1（主窗体）代码清单：<br> unit Unit1;<br> interface<br> uses<br> Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, <br> Dialogs, Grids, ComCtrls, StdCtrls, Psock, NMsmtp;<br> type<br> TForm1 = class(TForm)<br> PageControl1: TPageControl;<br> TabSheet1: TTabSheet;<br> StatusBar1: TStatusBar;<br> StringGrid1: TStringGrid;<br> Button1: TButton;<br> Button2: TButton;<br> Button3: TButton;<br> NMSMTP1: TNMSMTP;<br> procedure FormCreate(Sender: TObject);<br> procedure Button1Click(Sender: TObject);<br> procedure Button2Click(Sender: TObject);<br> procedure Button3Click(Sender: TObject);<br> procedure NMSMTP1Failure(Sender: TObject);<br> procedure NMSMTP1SendStart(Sender: TObject);<br> procedure NMSMTP1Success(Sender: TObject);<br> private<br> { Private declarations }<br> public<br> { Public declarations }<br> end;<br> var<br> Form1: TForm1;<br> implementation<br> uses Unit2;<br> {＄R ＊.DFM}<br> procedure TForm1.FormCreate(Sender: TObject);<br> begin<br> PageControl1.Pages[0].Caption:=‘Send Mail’;<br> self.Caption:=‘My Mailer’;<br> self.BorderIcons:=[biSystemMenu,biMinimize];<br> self.BorderStyle:=bsSingle;<br> Application.Icon:=self.Icon; <br> Application.Title:=self.Caption; <br> with StringGrid1 do<br> begin<br> Cells[0,0]:=‘Host’;<br> Cells[1,0]:=‘To Address’;<br> Cells[2,0]:=‘From Address’;<br> Cells[3,0]:=‘Your Name’;<br> Cells[4,0]:=‘Subject’;<br> Cells[5,0]:=‘File’;<br> end;<br> Button2.Enabled:=False;<br> Button3.Enabled:=False;<br> end;<br> procedure TForm1.Button1Click(Sender: TObject);<br> begin<br> Form2.Show;<br> end;<br> procedure TForm1.Button2Click(Sender: TObject);<br> var<br> i:Integer;<br> begin<br> for i:=1 to StringGrid1.RowCount－2 do<br> with Nmsmtp1 do<br> begin<br> Host:=StringGrid1.Cells[0,i];<br> PostMessage.ToAddress.Add(StringGrid1.Cells[1,i]);<br> PostMessage.FromAddress:=StringGrid1.Cells[2,i];<br> PostMessage.FromName:=StringGrid1.Cells[3,i];<br> PostMessage.Subject:=StringGrid1.Cells[4,i];<br> PostMessage.Attachments.Add(StringGrid1.Cells[5,i]);<br> Connect;<br> Sendmail;<br> DisConnect;<br> end;<br> Button2.Enabled:=False;<br> Button3.Click;<br> end;<br> procedure TForm1.Button3Click(Sender: TObject);<br> var<br> i:Integer;<br> begin<br> with StringGrid1 do<br> begin<br> for i:=1 to RowCount－2 do<br> begin<br> Cells[0,i]:=‘’;<br> Cells[1,i]:=‘’;<br> Cells[2,i]:=‘’;<br> Cells[3,i]:=‘’;<br> Cells[4,i]:=‘’;<br> Cells[5,i]:=‘’;<br> end;<br> RowCount:=2;<br> end;<br> Button2.Enabled:=False;<br> Button3.Enabled:=False;<br> end;<br> procedure TForm1.NMSMTP1Failure(Sender: TObject);<br> begin<br> StatusBar1.SimpleText:=‘Mail send failure!’;<br> end;<br> procedure TForm1.NMSMTP1SendStart(Sender: TObject);<br> begin<br> StatusBar1.SimpleText:=‘Now Sending...’;<br> end;<br> procedure TForm1.NMSMTP1Success(Sender: TObject);<br> begin<br> StatusBar1.SimpleText:=‘Send Success!’;<br> end;<br> end.<br> Button1是“New Mail”按钮，Button 2是“Send”按钮，Button3是“Clear” 按钮。<br> 以下是Unit2代码清单：<br> unit Unit2;<br> interface<br> uses<br> Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, <br> Dialogs, StdCtrls;<br> type<br> TForm2 = class(TForm)<br> OpenDialog1: TOpenDialog;<br> GroupBox1: TGroupBox;<br> GroupBox2: TGroupBox;<br> Edit1: TEdit;<br> Edit2: TEdit;<br> Edit3: TEdit;<br> Edit4: TEdit;<br> Edit5: TEdit;<br> Button1: TButton;<br> Button2: TButton;<br> Button3: TButton;<br> Label1: TLabel;<br> Label2: TLabel;<br> Label3: TLabel;<br> Label4: TLabel;<br> Label5: TLabel;<br> Label6: TLabel;<br> procedure Button1Click(Sender: TObject);<br> procedure Button2Click(Sender: TObject);<br> procedure Button3Click(Sender: TObject);<br> procedure FormActivate(Sender: TObject);<br> procedure FormCreate(Sender: TObject);<br> private<br> { Private declarations }<br> public<br> { Public declarations }<br> end;<br> var<br> Form2: TForm2;<br> implementation<br> uses Unit1;<br> {＄R ＊.DFM}<br> procedure TForm2.FormCreate(Sender: TObject);<br> begin<br> self.Caption:=‘New Mail’; <br> self.BorderStyle:=bsDialog;<br> end;<br> procedure TForm2.FormActivate(Sender: TObject);<br> begin<br> Edit1.Text:=‘’;<br> Edit2.Text:=‘’;<br> Edit3.Text:=‘’;<br> Edit4.Text:=‘’;<br> Edit5.Text:=‘’;<br> Label1.Caption:=‘No File’;<br> end;<br> procedure TForm2.Button1Click(Sender: TObject);<br> begin<br> if OpenDialog1.Execute then<br> Label1.Caption:=Opendialog1.Filename;<br> end;<br> procedure TForm2.Button2Click(Sender: TObject);<br> var<br> i:Integer;<br> begin<br> if (Edit1.Text<>‘’) and (Edit2.Text<>‘’) and (Edit5.Text<>‘’) <br> and (Label1.Caption<>‘No File’) then<br> begin<br> with Form1.StringGrid1 do<br> begin<br> RowCount:=RowCount＋1;<br> i:=RowCount－2;<br> Cells[0,i]:=Edit1.Text;<br> Cells[1,i]:=Edit2.Text;<br> Cells[2,i]:=Edit5.Text;<br> Cells[3,i]:=Edit3.Text;<br> Cells[4,i]:=Edit4.Text;<br> Cells[5,i]:=Label1.Caption;<br> end;<br> Form1.Button2.Enabled:=True;<br> Form1.Button3.Enabled:=True;<br> end;<br> self.Hide;<br> end;<br> procedure TForm2.Button3Click(Sender: TObject);<br> begin<br> self.Hide; <br> end;<br> end.<br> Edit1、Edit2、Edit3、Edit4、Edit5编辑框分别用于填写服务器名称、收件人地址、发件人名称、邮件主题和发件人地址。<br> 现在一个E－mail发送程序就完成了。你可以试一试，自已给自已发几封邮件，用FoxMail之类的软件是否能收到信。顺便说一句，本文就是用这个自编程序发到编辑部的。<br> </td> </tr></tbody></table></center></div><hr align="center" SIZE="1" width="700"><p align="center" class="ourfont"><span><span><font color="#000000"> <a style="color: rgb(0,0,0); text-decoration: none" href="../../soft/network/index.htm">互联网络</font><font color="#FFFFFF"> </font></a><font color="#000000">|</span></span><a href="../../soft/system/index.htm" style="color: rgb(0,0,0); text-decoration: none">系统工具</a><span>|<span> <a href="../../soft/tools/index.htm" style="color: rgb(0,0,0); text-decoration: none">实用工具</a> | <a href="../../soft/multimedia/index.htm" style="color: rgb(0,0,0); text-decoration: none">媒体工具</a> | <a href="../../soft/image/index.htm" style="color: rgb(0,0,0); text-decoration: none">图形图像</a> | <a href="../../soft/game/index.htm" style="color: rgb(0,0,0); text-decoration: none">游戏娱乐</a> | </span><a href="../../soft/usesoft/index.htm" style="color: rgb(0,0,0); 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