javaEmail之java邮件发送工具

package com.baizhi.util;


import cn.hutool.core.util.RandomUtil;

import javax.mail.Message.RecipientType;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;

/**
 * @Description
 *      username  为发送用户的登录账号
 *      password  为发送用户的登录密码
 */
public class SendEmailUtil {

    public static String username = "853843393@qq.com";
    private static String password = "hesjybwbktdibeab";
    public static void sendMessage(String email,String message){

        //构建会话对象   包括会话类型   和 会话账号密码
        Properties props = System.getProperties();
        //设置主机参数
        props.setProperty("mail.smtp.host", "smtp.qq.com");
        props.setProperty("mail.debug", "true");// 开启debug调试        
        props.setProperty("mail.smtp.auth", "true");// 发送服务器需要身份验证                
        props.setProperty("mail.transport.protocol", "smtp");// 发送邮件协议名称
        props.setProperty("mail.smtp.port", "25");//端口号
     
        Session session = Session.getDefaultInstance(props);
        session.setDebug(true);

        //构建 会话内容
        MimeMessage mimeMessage = new MimeMessage(session);

        try {
            //设置发送地址
            InternetAddress fromAddress = new InternetAddress(username);
            mimeMessage.setFrom(fromAddress);

            //设置接收人
            InternetAddress reciAddress = new InternetAddress(email);
            mimeMessage.setRecipient(RecipientType.TO, reciAddress);

            //设置邮件的头
            mimeMessage.setSubject("当当网验证码！");
            mimeMessage.setContent(message, "text/plain;charset=UTF-8");

            //构建连接
            Transport transport = session.getTransport("smtp");
            transport.connect("smtp.qq.com",username, password);
            transport.sendMessage(mimeMessage,mimeMessage.getAllRecipients());
            transport.close();
            System.out.println("send Message SuccessFul!");
        } catch (Exception e) {
            // TODO Auto-generated catch block
            System.out.println("send Message fail!");
            e.printStackTrace();
        }

    }
    public static void sendCode(String email,String code){
        String context="【***网】您好，您当前正在进行当当网的注册，您的验证码为："+code+"。为了给您提供更好的服务，请您尽快完成注册。！";
        //参数    要接收邮件的邮箱 ,发送的内容
        sendMessage(email,context);
    }

    public static void main(String[] args) {
        String code = RandomUtil.randomString(6);
        System.out.println(code);
        String s = "你好鸭仔";
        for(int i=0;i<100;i++) {
            sendCode("1244071032@qq.com",s);
        }
       
    }

}