Spring-boot邮件发送

1.pom.xml依赖

		<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <!--邮件的依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-mail</artifactId>
        </dependency>

application.properties代码；

spring.mail.host=smtp.qq.com
spring.mail.username=//自己邮箱账号（发件人）
spring.mail.password=ladgtaxnwdotbbeg  //为授权码,比如若账号是自己qq邮箱，这里的密码不是qq密码而是授权码
spring.mail.default-encoding=UTF-8

service层代码:

package com.feng.email.service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;

import javax.mail.internet.MimeMessage;
import java.io.File;

@Service
public class EmailService {

    private final Logger logger = LoggerFactory.getLogger(this.getClass());
    @Value("${spring.mail.username}")
    private String from;

    @Autowired
    private JavaMailSender mailSender;

    /**
     * 发送文本邮件
     * @param to 接收人
     * @param subject 主题
     * @param content 邮件内容
     */
    public void sendSimpleMail(String to,String subject,String content){
        SimpleMailMessage message = new SimpleMailMessage();
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);
        message.setFrom(from);
        mailSender.send(message);

    }

    /**
     * 发送HTML邮件
     * @param to
     * @param subject
     * @param content
     */
    public void sendHtmlMail(String to,String subject,String content) throws Exception {
        MimeMessage mimeMessage = mailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(mimeMessage,true);
        helper.setFrom(from);
        helper.setTo(to);
        helper.setSubject(subject);
        helper.setText(content,true);
        mailSender.send(mimeMessage);
    }

    /**
     * 发送带副本的邮件
     * @param to
     * @param subject
     * @param content
     */
    public void sendAttachmentMail(String to,String subject,String content,String filepath) throws Exception {
        MimeMessage message = mailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(message,true);
        helper.setFrom(from);
        helper.setTo(to);
        helper.setSubject(subject);
        helper.setText(content,true);

        //文件流:获取本地文件
        FileSystemResource file = new FileSystemResource(new File(filepath));
        String filename = file.getFilename();
        //可以发送多个
        helper.addAttachment(filename,file);
        // helper.addAttachment(filename+"_test",file);

        //进行发送
        mailSender.send(message);
    }
    /**
     * 发送图片邮件
     *
     * @param to
     * @param subject
     * @param content
     * @param rscPath
     * @param rscId
     * @throws Exception
     */
    public void sendImageMail(String to,String subject,String content,String rscPath,String rscId){
        logger.info("发送静态邮件开始: {},{},{},{},{}",to,subject,content,rscPath,rscId);
        MimeMessage message = mailSender.createMimeMessage();
        MimeMessageHelper helper = null;
        try{
            helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content,true);
            FileSystemResource file = new FileSystemResource(new File(rscPath));
            helper.addInline(rscId,file);
            mailSender.send(message);
            logger.info("发送静态图片邮件成功!");
        }catch (Exception e){
            logger.error("发送静态邮件失败!",e);
        }

    }


}

测试类 EmailApplicationTests

package com.feng.email;

import com.feng.email.service.EmailService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import javax.annotation.Resource;

@RunWith(SpringRunner.class)
@SpringBootTest
public class EmailApplicationTests {
    @Resource
    EmailService mailService;
    /**
     * 简单文本邮件发送
     */
    @Test
    public void contextLoads() {
        mailService.sendSimpleMail("dpfenglei@dfl.com.cn","简单文本邮件","这是我的第一封邮件,哈哈...");
    }
    /**
     * HTML邮件发送
     *
     * @throws Exception
     */
    @Test
    public void sendHtmlMailTest() throws Exception{

        String content = "<html>\n"+
                "<body>\n" +
                "<h1 style=\"color: red\"> hello world , 这是一封HTML邮件</h1>"+
                "</body>\n"+
                "</html>";
        mailService.sendHtmlMail("dpfenglei@dfl.com.cn","Html邮件发送",content);
    }
    /**
     * 发送副本邮件
     *
     * @throws Exception
     */
    @Test
    public void sendAttachmentMailTest() throws Exception{
        String filepath = "C:\\Users\\95892\\Desktop\\笔记.txt";
        mailService.sendAttachmentMail("dpfenglei@dfl.com.cn","发送副本","这是一篇带附件的邮件",filepath);

    }
    /**
     * 发送图片邮件
     *
     * @throws Exception
     */
    @Test
    public void sendImageMailTest() throws Exception{
        //发送多个图片的话可以定义多个 rscId,定义多个img标签
        String filePath = "C:\\Users\\95892\\Pictures\\Saved Pictures\\8800276_184927469000_2.png";
        String rscId = "ligh001";
        String content = "<html><body> 这是有图片的邮件: <img src=\'cid:"+rscId+"\'> </img></body></html>";
        mailService.sendImageMail("dpfenglei@dfl.com.cn","这是一个带图片的邮件",content,filePath,rscId);
    }

}

友情提示:

如采qq邮箱当发件人这需要qq邮箱开通:（进入qq邮箱，点击设置->进入账户开通即可）