send1.java

基于java开发的邮件系统

package com.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.Properties;

import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;



public class SEND1 extends HttpServlet {


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

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		request.setCharacterEncoding("gb2312");
		
		String from = request.getParameter("from");
		String to = request.getParameter("to");
		String subject = request.getParameter("subject");
		String context = request.getParameter("context");
		String type=request.getParameter("type");
		// 确定要发送的邮件服务器的地址
		String mailserver = "dudonghui";
		// 设置邮件的传输协议
		try {
			Properties prop = System.getProperties();
			prop.put("mail.smtp.host", mailserver);
			// 建立邮件发送的连接
			Session session = Session.getDefaultInstance(prop, null);
			// 创建发送的信息的载体
			Message msg = new MimeMessage(session);
			// 设置相关的邮件属性
			msg.setFrom(new InternetAddress(from));
			// 点到点的发送
			msg.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
			/*
			 * //群发 msg.setRecipients(Message.RecipientType.TO, new
			 * InternetAddress[]{new InternetAddress(to),new
			 * InternetAddress(to)}); //借助循环的标准发送
			 */
			msg.setSubject(subject);
			msg.setSentDate(new Date());
			//判断发送的Mime类型
			Multipart mp=new MimeMultipart();
			MimeBodyPart mbp=new MimeBodyPart();
			//设置邮件发送数据的类型
			mbp.setContent(context, type+";charset=GB2312");
			//text/plain或text/html;charset=GB2312,将发送的数据进行封装
			mp.addBodyPart(mbp);
			msg.setContent(mp);
			// 发送
			Transport.send(msg);
		} catch (Exception e) {

		}

		out.print("send ok");
		out.flush();
		out.close();
	}


}