SpringBoot 整合发邮件功能

超、凢脫俗 2024-04-23 20:06 5阅读 0赞

**简单记录一下使用 SpringBoot 集成发邮件**

● 邮箱控制

*  启用客户端 SMTP服务

● Spring Email

*  导入依赖的 jar 包

<dependency>
       	<groupId>org.springframework.boot</groupId>
       	<artifactId>spring-boot-starter-mail</artifactId>
       	<version>2.6.2</version>
    </dependency>

*  邮箱参数设置

# MailProperties
    spring.mail.host=smtp.sina.com
    spring.mail.username=xxx@xxx.com
    spring.mail.password=xxxxxx
    spring.mail.protocol=smtp
    spring.mail.properties.mail.smtp.ssl.enable=true

*  使用 JavaMailSender 发送邮件：封装一个工具类MailClient

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.mail.javamail.JavaMailSender;
    import org.springframework.mail.javamail.MimeMessageHelper;
    import org.springframework.stereotype.Component;
    
    import javax.mail.MessagingException;
    import javax.mail.internet.MimeMessage;
    
    @Component
    public class MailClient {
        
        private static final Logger logger = LoggerFactory.getLogger(MailClient.class);
    
        @Autowired
        private JavaMailSender mailSender;
    
        @Value("${spring.mail.username}")
        private String from;
    
        public void sendMail(String to,String subject,String content) {
        
            try {
        
                MimeMessage message = mailSender.createMimeMessage();
                MimeMessageHelper helper = new MimeMessageHelper(message);
                helper.setFrom(from);
                helper.setTo(to);
                helper.setSubject(subject);
                helper.setText(content,true);
                mailSender.send(helper.getMimeMessage());
            } catch (MessagingException e) {
        
                logger.error("发送邮件失败："+e.getMessage());
            }
        }
    }

● 模板引擎

*  使用 Thymeleaf 发送 HTML 邮件

<!DOCTYPE html>
    <html lang="en" xmlns:th="http://www.thymeleaf.org">
    <head>
        <meta charset="UTF-8">
        <title>邮件示例</title>
    </head>
    <body>
        <p>欢迎你，<span th:text="${username}"></span></p>
    </body>
    </html>

*  测试使用相应的HTML模板发送邮件

@RunWith(SpringRunner.class)
    @ContextConfiguration(classes = CommunityApplication.class)
    @SpringBootTest
    public class MailTests {
        
    
        // 注入已经封装好的工具类
        @Autowired
        private MailClient mailClient;
    
        // 注入模板引擎
        @Autowired
        private TemplateEngine templateEngine;
    
        @Test
        public void testSendMail() {
        
            mailClient.sendMail("2218877219@qq.com","SpringBootTest","hello");
        }
        @Test
        public void testHtmlMail() {
        
            Context context = new Context();
            context.setVariable("username","Ethereal");
            // 使用 resources/templates/mail/demo.html作为模板发送邮件
            String content = templateEngine.process("/mail/demo",context);
            System.out.println(content);
            mailClient.sendMail("2218877219@qq.com","HtmlMailTest","welcome");
        }
    }