Spring Boot整合Email邮件发送

除此，hutool 的邮件工具 - MailUtil (opens new window) 也是一个不错的选择，甚至使用上更简单

# spring-boot-starter-mail

# pom.xml

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-mail</artifactId>
    <version>2.5.6</version>
</dependency>

最新版本在此处 (opens new window)查看

# application.yml

spring:
  mail:
    host: smtp.qq.com
    username: [email protected]
    password: xxxxxxxx
    port: 465
#    Additional JavaMail Session properties:https://javaee.github.io/javamail/docs/api/com/sun/mail/smt
    properties:
      mail.smtp.auth: true
      mail.smtp.starttls.enable: true
      mail.smtp.starttls.required: true
      mail.smtp.ssl.enable: true

# EmailUtilTest

发送可携带附件、HTML 文本的邮件

package com.xxx.system;

import com.github.rjeschke.txtmark.Processor;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;

/**
 * @author NipGeihou
 * @create 2022-01-13 23:09
 */
@SpringBootTest
public class EmailUtilTest {

    @Autowired
    private JavaMailSender emailSender;

    @Test
    public void test() throws MessagingException {
        String code = String.valueOf(RandomUtil.randomInt(100000, 999999));
        String markdown_content = String.format("您的邮箱验证为：**%s**，有效期为10分钟，请确保本人操作，以免带来不必要损失，感谢您的使用。", code);

        MimeMessage message = emailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(message, true);

        helper.setFrom("Pcoder Service<[email protected]>");
        helper.setTo("[email protected]");
        helper.setSubject("测试");
        helper.setText(Processor.process(markdown_content), true);
        emailSender.send(message);
    }
}

# 参考

# Freemarker（HTML 邮件）

很多时候，为了让接收方有更好的体验，我们通常发送 HTML 邮件，因此需要一个 HTML 模板引擎来方便操作。

# pom.xml

<!-- HTML模板 -->
<dependency>
    <groupId>org.freemarker</groupId>
    <artifactId>freemarker-gae</artifactId>
    <version>2.3.31</version>
</dependency>

# Templates

src/main/resources/mail-templates/code.ftl

点击查看

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
</head>
<body>
<div>Hi,${name}</div>
</body>
</html>

# MyTemplateConfig.java

package cn.nipx.system.config;

import cn.hutool.extra.template.TemplateConfig;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @author NipGeihou
 * @create 2022-01-18 14:47
 */
@Configuration
public class MyTemplateConfig {

    @Bean
    public TemplateConfig mailTemplatesConfig() {
        return new TemplateConfig("mail-templates", TemplateConfig.ResourceMode.CLASSPATH);
    }
}

# Test

package cn.nipx.system;

import cn.hutool.core.lang.Dict;
import cn.hutool.core.util.RandomUtil;
import cn.hutool.extra.mail.MailUtil;
import cn.hutool.extra.template.Template;
import cn.hutool.extra.template.TemplateConfig;
import cn.hutool.extra.template.TemplateEngine;
import cn.hutool.extra.template.TemplateUtil;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

/**
 * @author NipGeihou
 * @create 2022-01-13 23:09
 */
@SpringBootTest
public class EmailServiceTest {

    @Autowired
    private TemplateConfig mailTemplatesConfig;


    /**
     * 整合模板发送
     */
    @Test
    public void test() {
        String code = String.valueOf(RandomUtil.randomInt(100000, 999999));
        TemplateEngine engine = TemplateUtil.createEngine(mailTemplatesConfig);
        Template template = engine.getTemplate("code.ftl");
        String html = template.render(Dict.create().set("code", code));
        MailUtil.send("[email protected]", "测试", html, true);
    }


}

# 参考

模板引擎封装 - TemplateUtil (opens new window)

上次更新: 2022/12/31, 03:04:26

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