【Java专题_03】使用springboot发送邮件

 <!-- 发送邮件 -->
        <dependency>
            <groupId>javax.mail</groupId>
            <artifactId>mail</artifactId>
            <version>1.4.7</version>
        </dependency>

package com.xsy.service;

public interface SendEmailService {
    //发送邮件接口
    int sendEmail(String addr) throws Exception;
}

package com.xsy.service.impl;

import com.xsy.service.SendEmailService;
import org.springframework.stereotype.Service;

import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Date;
import java.util.Properties;
import java.util.Random;
@Service("sendEmail")
public class SendEmailServiceImpl implements SendEmailService {
    public static final String SMTPSERVER = "smtp.qq.com";
    public static final String SMTPPORT = "465";
    public static final String ACCOUT = "自己的qq邮箱";
    public static final String PWD = "邮箱的授权码，不是qq密码";
    @Override
    public int sendEmail(String addr) throws Exception{
        System.out.println("传过来的地址参数"+addr);
        // 创建邮件配置
        Properties props = new Properties();
        props.setProperty("mail.transport.protocol", "smtp"); // 使用的协议（JavaMail规范要求）
        props.setProperty("mail.smtp.host", SMTPSERVER); // 发件人的邮箱的 SMTP 服务器地址
        props.setProperty("mail.smtp.port", SMTPPORT);
        props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
        props.setProperty("mail.smtp.auth", "true"); // 需要请求认证
        props.setProperty("mail.smtp.ssl.enable", "true");// 开启ssl
        // 根据邮件配置创建会话，注意session别导错包
        Session session = Session.getDefaultInstance(props);
        // 开启debug模式，可以看到更多详细的输入日志
//        session.setDebug(true);
        Random random = new Random();
        int rannum = (int) (random.nextDouble() * (99999 - 10000 + 1)) + 10000;// 获取5位随机数
        //创建邮件
        MimeMessage message = createEmail(session,addr,rannum);

        //获取传输通道
        Transport transport = session.getTransport();
        transport.connect(SMTPSERVER,ACCOUT, PWD);
        //连接，并发送邮件
        transport.sendMessage(message, message.getAllRecipients());
        transport.close();
        System.out.println("返回的验证码数据"+rannum);
        return rannum;
    }
    public MimeMessage createEmail(Session session,String ad,int num) throws Exception {
        // 根据会话创建邮件
        MimeMessage msg = new MimeMessage(session);
        // address邮件地址, personal邮件昵称, charset编码方式
        InternetAddress fromAddress = new InternetAddress(ACCOUT,
                "橙子商城", "utf-8");
        // 设置发送邮件方
        msg.setFrom(fromAddress);
        InternetAddress receiveAddress = new InternetAddress(
                ad, "test", "utf-8");
        // 设置邮件接收方
        msg.setRecipient(Message.RecipientType.TO, receiveAddress);
        // 设置邮件标题
        msg.setSubject("橙子商城", "utf-8");

        msg.setText("注册验证码为:"+num);
        // 设置显示的发件时间
        msg.setSentDate(new Date());
        // 保存设置
        msg.saveChanges();
        return msg;
    }
}

package com.xsy.controller;

import com.xsy.bean.Msg;
import com.xsy.service.SendEmailService;
import com.xsy.service.UpImageService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.List;
@RestController
@RequestMapping("/utils")
public class UtilsController {
    @Autowired
    private SendEmailService sendEmailService;
    @Autowired
    private UpImageService upImageService;
    //发送邮箱验证码
    @RequestMapping(value = "/sendEmail",method = RequestMethod.GET)
    public Msg sendEmail() throws Exception{
        int num=sendEmailService.sendEmail("1035336407@qq.com");
        System.out.println("验证码"+num);
        return Msg.success().add("checkCode",num);
    }
}