send.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.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class SEND extends HttpServlet {

	public SEND() {
		super();
	}

	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");
		// 确定要发送的邮件服务器的地址
		String mailserver = "xcf";
		// 设置邮件的传输协议
		try {
			Properties prop = System.getProperties();
			prop.put("mail.smtp.host", mailserver);
			//POP3服务器: pop.sina.com，SMTP服务器: smtp.sina.com
			// 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());
			msg.setText(context);
			
			// 发送
			Transport.send(msg);
		} catch (Exception e) {

		}

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

}