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如何实现servlet中的发信功能?

2005-01-09 20:42:20  作者:javaduke  来源:互联网  浏览次数:8  文字大小:【】【】【
简介:javaduke 原创于 www.dukejava.com  主页上附带演示!MailService.java//源代码如下:(在www.mycgiserver.com调试成功) package javaduke.servlet;import javax.servlet.*;import javax.servlet.http.*;i...
关键字:servlet 功能 如何

javaduke 原创于 www.dukejava.com 主页上附带演示!

MailService.java//源代码如下:(在www.mycgiserver.com调试成功)

package javaduke.servlet;

import javax.servlet.*;

import javax.servlet.http.*;

import java.io.*;

import java.util.*;

import javax.mail.*;

import javax.mail.internet.*;

public class MailService extends HttpServlet {

int index=0;

String err=null;

//Initialize global variables

public void init(ServletConfig config) throws ServletException {

super.init(config);

}

//Service the request

public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

String mailto=null;

String messageText="\n以下为表单内容";

mailto=request.getParameter("Email");

Enumeration keys;

String key,value;

keys=request.getParameterNames ();

while(keys.hasMoreElements ()){

key=(String)keys.nextElement ();

value=request.getParameter (key);

messageText+="\n"+key+":"+value;

}

messageText+="\n转发邮件处理程序来自\nwww.dukejava.com";

Properties pros=new Properties();

pros.put("mail.smtp.host","mycgiserver.com");

Session session=Session.getDefaultInstance(pros,null);

try{

Message message=new MimeMessage(session);

message.setSubject("DUKEJAVA.COM欢迎您光临");

message.setFrom(new InternetAddress("发信@dukejava.com"));

InternetAddress address=new InternetAddress(mailto);

message.setRecipient(Message.RecipientType.TO,address);

message.setText(messageText);

Transport.send(message);

}catch(MessagingException exa){int index=1;err=exa.toString();}

if(index==0){

response.setContentType("text/html");

PrintWriter out = new PrintWriter (response.getOutputStream());

out.println("");

out.println("MailPost");

out.println("");

out.println ("

信息成功发送");

out.println("\n

www.dukejava.com提供程序");

out.println("\n

关闭窗口");

out.println("");

out.close();

}

if(index==1){

response.setContentType("text/html");

PrintWriter out = new PrintWriter (response.getOutputStream());

out.println("");

out.println("MailPost");

out.println("");

out.println ("

信息发送失败");

out.println ("\n

错误原因:"+err);

out.println("\n

www.dukejava.com提供程序");

out.println("\n

关闭窗口");

out.println("");

out.close();

}

}

//Get Servlet information

public String getServletInfo() {

return "javaduke.MailService Information";

}

}

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