Java 邮件发送系统 -，

Java 邮件发送系统 -，

这里将之前在个人网站上使用的一个邮件系统的核心代码整理了一下

package com.grace527.util;

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

import javax.mail.Address;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
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;

/**
 * @ClassName: Mail
 * @Description: 邮件转发系统核心类
 * @author wuqishun
 * @date 2017年10月7日
 */
public class Mail extends HttpServlet{
    @Override
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        //获取页面信息  收件人  主题  正文
        try {
            String name = request.getParameter("m-name");
            String top = request.getParameter("m-topci");
            String con = request.getParameter("m-con");
            //用户信息   用户名  密码
            String userName = "yourmail@qq.com";
            String passWord = "yourpassword";
            //邮箱属性  邮件协议
            Properties prop = new Properties();
            prop.put("mail.smtp.auth", "true");
            prop.put("mail.transport.protocol", "smtp");
            prop.put("mail.smtp.host", "smtp.qq.com");
            prop.put("mail.smtp.port", "587");
            // 构建授权信息，用于进行SMTP进行身份验证
            Authenticator authenticator = new Authenticator() {
                protected PasswordAuthentication getPasswordAuthentication() {
                    // 用户名、密码
                    String userName = "yourmail@qq.com";
                    String passWord = "yourpassword";
                    return new PasswordAuthentication(userName, passWord);
                }
            };
            //创建一个邮箱
            Session session = Session.getInstance(prop,authenticator);
            session.setDebug(true);
            MimeMessage ms = new MimeMessage(session);
            //设置邮箱来源
            InternetAddress toAddress;
            toAddress = new InternetAddress(userName);
            ms.setFrom(toAddress);
            //邮件的接收者
            ms.setRecipients(Message.RecipientType.TO, "qishun2xiao@126.com");
            top ="来件人(个人邮件转发系统 )："+top;
            ms.setSubject(top);
            ms.setText(con);
            ms.saveChanges();//保存
            //创建发送工具
            Transport ts = session.getTransport();
            ts.connect(userName,passWord);
            ts.sendMessage(ms, ms.getAllRecipients());
            ts.close();
            //Transport.send(ms);
            PrintWriter pw = response.getWriter();
            pw.print("发送成功~~");
            pw.close();
        } catch (Exception e) {
            e.printStackTrace();
        } 
    }
}