郵件傳送類，支援HTML格式，支援優先順序設定

www.chinacs.net2002-5-9中文c#技術站

郵件傳送類，支援html格式，支援優先順序設定。通過socket類實現的

using system;

using system.text;

using system.io;

using system.net;

using system.net.sockets;

namespace blood.com.classlib

public void sendcommandtoserver(string command)

public string getserverresponse()

else }

public bool doesstringcontainsmtpcode(string s,string smtpcode)

} //結束類

///

/// 傳送郵件類

///

public class smtpmail

///

/// 取得錯誤反饋資訊

///

public string errormessage

}///

/// 取得smtp伺服器反饋的資訊

///

public string serverresponse

}///

/// 郵件傳送優先順序

///

public enum prioritys

public void sendmail(string smtphost,int port,string from,string displayfromname,string to,string displaytoname,prioritys priority,bool html,string base,string subject,string message)

//讀取反饋資訊

strresponsenumber = smtpcmail.getserverresponse();

if (smtpcmail.doesstringcontainsmtpcode(strresponsenumber,"220"))

else

string strsendbuffer = new string[6];

string strresponsecode = ; // success codes from smtp server

string strdata = "";

strdata = string.concat("helo ",smtphost);

strdata = string.concat(strdata,"\r\n");

strsendbuffer[0] = strdata ;

strdata = "";

strdata = string.concat("mail from: ","<" + from + ">");

strdata = string.concat(strdata,"\r\n");

strsendbuffer[1] = strdata;

strdata = "";

strdata = string.concat("rcpt to: ","<" + to + ">");

strdata = string.concat(strdata,"\r\n");

strsendbuffer[2] = strdata;

strdata = "" ;

strdata = string.concat("data","\r\n");

strsendbuffer[3] = strdata ;

strdata = "" ;

strdata = string.concat("from: ",displayfromname + "<" + from + ">");

strdata = string.concat(strdata,"\r\n" );

strdata = string.concat(strdata,"to: " );

strdata = string.concat(strdata,displaytoname + "<" + to + ">");

strdata = string.concat(strdata,"\r\n" );

strdata = string.concat(strdata,"subject: " );

strdata = string.concat(strdata,subject);

strdata = string.concat(strdata,"\r\n");

strdata = string.concat(strdata,"mime-version: 1.0" );

strdata = string.concat(strdata,"\r\n");

strdata = string.concat(strdata,"x-priority: " + priority);

strdata = string.concat(strdata,"\r\n");

strdata = string.concat(strdata,"x-msmail-priority: " + priority);

strdata = string.concat(strdata,"\r\n");

if(html == true)

else

strdata = string.concat(strdata,"\r\n");

strdata = string.concat(strdata,"charset=\"iso-8859-1\"" );

strdata = string.concat(strdata,"\r\n");

if(html == true)

else

strdata = string.concat(strdata,"\r\n");

strdata = string.concat(strdata,"content-base: \"" + base + "\"" );

strdata = string.concat(strdata,"\r\n" + "\r\n");

strdata = string.concat(strdata,message);

strdata = string.concat(strdata,"\r\n.\r\n");

strsendbuffer[4] = strdata;

strdata = "" ;

strdata = string.concat(strdata,"quit\r\n");

strsendbuffer[5] = strdata;

int i = 0 ;

while(i < strsendbuffer.length)

// 結束迴圈

}catch(socketexception err)

catch(exception e)

} //結束郵件傳送方法

} // 結束類

} // 結束namespace

郵件傳送前台頁面

<%@ page language="c#" codebehind="webform1.aspx.cs" autoeventwireup="false" inherits="test.sendmailsample" %>

郵件傳送codebehind

using system;

using system.web;

using system.web.ui;

using system.web.ui.webcontrols;

using blood.com.classlib;

namespace test

#region web form designer generated code

override protected void oninit(eventargs e)

///

/// required method for designer support - do not modify

/// the contents of this method with the code editor.

///

private void initializecomponent()

#endregion

private void btnsendmail_click(object sender, system.eventargs e)

else if(ddlpriority.selecteditem.text == "高")

else if(ddlpriority.selecteditem.text == "低")

if(ddlhtml.selecteditem.text == "是")

else

clsmail.sendmail(strsmtphost,intport,strfrom,strfromname,strto,strtoname,priority,bolhtml,"",strsubject,strmessage);

if(clsmail.errormessage !="")

else}}

}}

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郵件傳送類，支援HTML格式，支援優先順序設定

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