JavaMailSender发送邮件

1.pom加入依赖
	  
            org.springframework.boot
            spring-boot-starter-mail
            2.2.4.RELEASE
        

2.配置文件
	spring:
	  mail:
	    host: smtp.qq.com              # qq邮箱smtp.qq.com        163邮箱：smtp.163.com
	    username: xxxxxxxxx@qq.com     # 发送账号
	    password: xxxxxxxxxx           # 邮箱授权码: 从qq邮箱网页版——账户——开启POP3/SMTP服务，然后获取授权码
	    default-encoding: UTF-8
	    properties:
	      mail:
	        smtp:
	          auth: true
	        starttls:
	          enable: false
	          required: false

3.代码发送
@RestController
@RequestMapping("/email")
public class EmailController {

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

    @Autowired
    JavaMailSender javaMailSender;

    @GetMapping("/send")
    public void search() {
        SimpleMailMessage simpMsg = new SimpleMailMessage();
        simpMsg.setFrom(username);         //发送者
        simpMsg.setTo("xxx@qq.com");       //接收者
        simpMsg.setSubject("邮件主题");
        simpMsg.setText("邮件内容啊啊啊啊");

        javaMailSender.send(simpMsg);
    }
}