Spring Boot笔记之邮件（spring-boot-starter-mail）

Spring Boot环境中发送邮件pom.xml引入`spring-boot-starter-mail`application.yml配置163邮箱QQ邮箱Gmail邮箱发送邮件service实现类templates模版测试结语pom.xml引入spring-boot-starter-mailSpring Boot2.x集成了mail模块，在dependencies引入这个&lt

yimcarson

40584人浏览 · 2018-12-10 10:49:17

yimcarson · 2018-12-10 10:49:17 发布

pom.xml引入`spring-boot-starter-mail`

Spring Boot2.x集成了mail模块，在dependencies引入这个

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

application.yml配置

spring:
	mail:
    	# 163
    	host: smtp.163.com
    	port:
    	username: yimcarson@163.com
    	password: ************
    	protocol: smtp
    	default-encoding: UTF-8
    	properties:
      		mail.smtp.auth: true
      		mail.smtp.starttls.enable: true
      		mail.smtp.starttls.required: true
      		mail.smtp.socketFactory.port: 465
      		mail.smtp.socketFactory.class: javax.net.ssl.SSLSocketFactory
      		mail.smtp.socketFactory.fallback: false

其中spring.mail.host spring.mail.port spring.mail.username spring.mail.password不同邮箱的配置方法也不同

163邮箱

spring:
	mail:
    		host: smtp.163.com
    		port:
    		username: yimcarson@163.com
    		password: ************

其中spring.mail.port不指定；spring.mail.password不是邮箱密码，需要登录mail.163.com，前往设置 客户端授权密码中获取的一个16个字符的密码，同时允许POP3/SMTP服务。

163邮箱设置1

163邮箱设置2

QQ邮箱

spring:
	mail:
    		host: smtp.qq.com
    		port: 587
    		username: yimcarson@qq.com
    		password: ************

spring.mail.password不是QQ密码，登录mail.qq.com，前往设置 账户 POP3/IMAP/SMTP/Exchange/CardDAV/CalDAV服务开启POP3/SMTP服务获取一个16个字符的密码

mail.163.com设置

Gmail邮箱

spring:
	mail: 
		host: smtp.gmail.com
		port: 465
		username: yimcarson@gmail.com
		password: ****************

spring.mail.password是Gmail的密码，但是要前往Google账户的安全性较低的应用的访问权限中允许不安全应用。

Google账户设置

发送邮件

这是一个验证码模版邮件

service实现类

import com.my.demo.project.service.MailService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.mail.javamail.MimeMessagePreparator;
import org.springframework.stereotype.Service;
import org.thymeleaf.TemplateEngine;
import org.thymeleaf.context.Context;

import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;
import java.util.UUID;

@Service
public class MailServiceImpl implements MailService {

    @Autowired
    private JavaMailSender mailSender;

    /**
     * 用来发送模版邮件
     */
    @Autowired
    private TemplateEngine templateEngine;

    @Value("${spring.mail.username}")
    private String from;

    @Override
    public void send(String to, String subject, String text) {

//        SimpleMailMessage message = new SimpleMailMessage();
//        message.setFrom(from);
//        message.setTo(to);
//        message.setSubject(subject);
//        message.setText(text);

        Context context = new Context();
        context.setVariable("project", "demo");
        context.setVariable("author", "yimcarson");
        context.setVariable("code", text);
        String emailContent = templateEngine.process("mail", context);

        MimeMessage message = mailSender.createMimeMessage();
        MimeMessageHelper helper = null;
        try {
            helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(emailContent, true);
        } catch (MessagingException e) {
            e.printStackTrace();
        }
        mailSender.send(message);
    }
}

templates模版

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
	<head>
	    <meta charset="UTF-8">
	    <title>yimcarson</title>
	    <style>
	        body {
	            text-align: center;
	            margin-left: auto;
	            margin-right: auto;
	        }
	        #main {
	            text-align: center;
	            position: absolute;
	        }
	    </style>
	</head>
	<body>
		<div id="main">
	    	<h3>Welcome <span th:text="${project}"></span> -By <span th:text=" ${author}"></span></h3>
	    	Your Verification Code is
	    	<h2><span th:text="${code}"></span></h2>
		</div>
	</body>
</html>

测试

import com.my.demo.Application;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.thymeleaf.TemplateEngine;

import java.util.Date;
import java.util.UUID;

@RunWith(SpringRunner.class)
@SpringBootTest(classes = {Application.class})
public class MailServiceTest {
    @Autowired
    private MailService mailService;

    @Test
    public void testSend() {
    	String to = "yimcarson@qq.com";
		mailService.send(to, "模板邮件", UUID.randomUUID().toString().toUpperCase());
    }
}