<dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <!-- 支持發(fā)送郵件 -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-mail</artifactId>
    </dependency>

package com.example.demo;
 
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.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
 
/**
 * @author
 * @site
 * @company
 * @create 2020-03-07 1:06
 */
@RestController
public class MailController {
 
  @Autowired
  JavaMailSender jsm;
 
  @Value("${spring.mail.username}")
  private String username;
 
  @GetMapping("/send")
  public String send(){
    //建立郵箱消息
    SimpleMailMessage message = new SimpleMailMessage();
    //發(fā)送者
    message.setFrom(username);
    //接收者
    message.setTo("1352192872@qq.com");
    //發(fā)送標題
    message.setSubject("測試");
    //發(fā)送內(nèi)容
    message.setText("測試數(shù)據(jù)");
    jsm.send(message);
    return "1";
  }
}