springboot3——Email

maven导入包：

  

   

    

     

    
    

     
		<dependency>
     
    
   

    

     

    
    

     
			<groupId>org.springframework.boot</groupId>
     
    
   

    

     

    
    

     
			<artifactId>spring-boot-starter-mail</artifactId>
     
    
   

    

     

    
    

     
			<version>2.1.6.RELEASE</version>
     
    
   

    

     

    
    

     
		</dependency>
     
    
  
 

参数配置：

  

   

    

     

    
    

     

      # MailProperties
     
    
   

    

     

    
    

     

      spring.mail.host=smtp.sina.com
     
    
   

    

     

    
    

     

      spring.mail.port=465
     
    
   

    

     

    
    

     

      spring.mail.username=hebtu_ftz@sina.com
     
    
   

    

     

    
    

     

      spring.mail.password=c33ce75afaff8015
     
    
   

    

     

    
    

     

      spring.mail.protocol=smtps
     
    
   

    

     

    
    

     

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

    

     

    
    

     

      spring.mail.properties.mail.smtl.auth=true
     
    
   

    

     

    
    

     

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

    

     

    
    

     

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

写发送工具类：

  

   

    

     

    
    

     

      package com.now.community.community.util;
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      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());
     
    
   

    

     

    
    

     

       }
     
    
   

    

     

    
    

     

       }
     
    
   

    

     

    
    

     

      }
     
    
  
 

测试类：

  

   

    

     

    
    

     

      package com.now.community.community;
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      import com.now.community.community.util.MailClient;
     
    
   

    

     

    
    

     

      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.ContextConfiguration;
     
    
   

    

     

    
    

     

      import org.springframework.test.context.junit4.SpringRunner;
     
    
   

    

     

    
    

     

      import org.thymeleaf.TemplateEngine;
     
    
   

    

     

    
    

     

      import org.thymeleaf.context.Context;
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      @RunWith(SpringRunner.class)
     
    
   

    

     

    
    

     

      @SpringBootTest
     
    
   

    

     

    
    

     

      @ContextConfiguration(classes = CommunityApplication.class)
     
    
   

    

     

    
    

     

      public class MailTests {
     
    
   

    

     

    
    

     
 @Autowired
     
    
   

    

     

    
    

     
 private MailClient mailClient;
     
    
   

    

     

    
    

     
 @Autowired
     
    
   

    

     

    
    

     
 private TemplateEngine templateEngine;
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 @Test
     
    
   

    

     

    
    

     
 public void testTextMail(){
     
    
   

    

     

    
    

     

       mailClient.sendMail("450427951@qq.com","TEST","welcome");
     
    
   

    

     

    
    

     

       }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 @Test
     
    
   

    

     

    
    

     
 public void testHtmlMail(){
     
    
   

    

     

    
    

     

       Context context=new Context();
     
    
   

    

     

    
    

     

       context.setVariable("username","fantianzuo");
     
    
   

    

     

    
    

     

       String content=templateEngine.process("/mail/demo",context);
     
    
   

    

     

    
    

     

       System.out.println(content);
     
    
   

    

     

    
    

     

       mailClient.sendMail("450427951@qq.com","HTML",content);
     
    
   

    

     

    
    

     

       }
     
    
   

    

     

    
    

     

      }
     
    
  
 

html：

  

   

    

     

    
    

     

      <!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 style="color:red;" th:text="${username}"></span>!</p>
     
    
   

    

     

    
    

     

      </body>
     
    
   

    

     

    
    

     

      </html>
     
    
  
 

文章来源: fantianzuo.blog.csdn.net，作者：兔老大RabbitMQ，版权归原作者所有，如需转载，请联系作者。

原文链接：fantianzuo.blog.csdn.net/article/details/102689621