1.pom.xml文件内容如下

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         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    4.0.0

    activiti.demo

    activiti-demo

    1.0-SNAPSHOT

    war

    activiti-demo

    spring-activiti-demo

   

        org.springframework.boot

        spring-boot-starter-parent

        2.0.6.RELEASE

       

   

   

        UTF-8

        UTF-8

        1.8

   

   

       

            org.springframework.boot

            spring-boot-starter-mail

       

       

            org.springframework.boot

            spring-boot-devtools

            true

       

       

            org.springframework.boot

            spring-boot-starter-web

       

       

            org.springframework.boot

            spring-boot-starter-test

            test

       

   

   

       

           

                org.springframework.boot

                spring-boot-maven-plugin

               

                    true

               

           

       

   

2.属性文件配置如下

# 端口号

server.port=8082

spring.mail.host=smtp.163.com

spring.mail.username=xx@163.com

spring.mail.password=xxx

spring.mail.properties.mail.smtp.auth=true

spring.mail.properties.mail.smtp.starttls.enable=true

spring.mail.properties.mail.smtp.starttls.required=true

3.测试类如下

package com.springboot.demo.controller;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.boot.test.context.SpringBootTest;

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.test.context.junit4.SpringRunner;

import javax.mail.internet.MimeMessage;

import java.io.File;

/**

 * @ClassName LeaveControllerTest

 * @Description TODO

 * @Author yunshuodeng

 * @Date 2019-05-06 11:03

 * @Version 1.0

 **/

@RunWith(SpringRunner.class)

@SpringBootTest

public class EmailSendTest {

    @Autowired

    private JavaMailSender javaMailSender;

    @Value("${spring.mail.username}")

    private String senderUserName;

    /**

     * 发送带静态资源的邮件-单元测试

     */

    @Test

    public void sendInlineMail() throws Exception{

        MimeMessage mimeMessage = javaMailSender.createMimeMessage();

        MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage,true);

        mimeMessageHelper.setFrom(senderUserName);

        mimeMessageHelper.setTo("691258810@qq.com");

        mimeMessageHelper.setSubject("发送带静态资源邮件");

        mimeMessageHelper.setText("带静态资源的邮件内容 图片:",true);

        FileSystemResource fileSystemResource = new FileSystemResource(new File("/Users/yunshuodeng/Downloads/QQ20190507-102734.png"));

        mimeMessageHelper.addInline("picture",fileSystemResource);

        javaMailSender.send(mimeMessage);

    }

    /**

     * 发送带附件的邮件-单元测试

     */

    @Test

    public void sendAttachmentsMail() throws Exception{

        MimeMessage mimeMessage = javaMailSender.createMimeMessage();

        MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage,true);

        mimeMessageHelper.setFrom(senderUserName);

        mimeMessageHelper.setTo("691258810@qq.com");

        mimeMessageHelper.setSubject("发送带附件邮件");

        mimeMessageHelper.setText("这是一个有附件的邮件");

        // 附件

        FileSystemResource fileSystemResource = new FileSystemResource(new File("/Users/yunshuodeng/Downloads/leavedemo.bpmn20.xml"));

        mimeMessageHelper.addAttachment("leavedemo.bpmn20.xml",fileSystemResource);

        javaMailSender.send(mimeMessage);

    }

    /**

     * 发送html邮件-单元测试

     */

    @Test

    public void sendHtmlMail() throws Exception{

        MimeMessage mimeMessage = javaMailSender.createMimeMessage();

        MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage,true);

        mimeMessageHelper.setFrom(senderUserName);

        mimeMessageHelper.setTo("2247053450@qq.com");

        mimeMessageHelper.setSubject("发送html邮件");

        StringBuffer stringBuffer = new StringBuffer();

        stringBuffer.append("

大标题

");

        stringBuffer.append("

二标题

");

        stringBuffer.append("

三标题

");

        mimeMessageHelper.setText(stringBuffer.toString(),true);

        javaMailSender.send(mimeMessage);

    }

    /**

     * 发送简单文本邮件-单元测试

     */

    @Test

    public void sendSimpleTextMail() throws Exception{

        SimpleMailMessage simpleMailMessage = new SimpleMailMessage();

        // 发送人

        simpleMailMessage.setFrom(senderUserName);

        // 接收人

        simpleMailMessage.setTo("691258810@qq.com");

        // 标题

        simpleMailMessage.setSubject("发送简单文本邮件");

        // 内容

        simpleMailMessage.setText("这是文本描述");

        javaMailSender.send(simpleMailMessage);

    }

}

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