STMP邮件服务

依赖安装

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

配置

 spring:
 #邮件服务配置
  mail:
    host: smtp.163.com  #邮件服务器地址
    protocol: smtps #协议
    userName: xxx
    password: xxxx
    default-encoding: utf-8 #邮件内容的编码
    properties:
      mail:
        debug: true
        smtp:
          auth: true
          starttls.enable: true
          socketFactoryClass: javax.net.ssl.SSLSocketFactory

工具类

@Slf4j
@Component
public class EmailUtils {

    @Resource
    private JavaMailSender mailSender;

    /**
     * 简单文本邮件
     * @param to 收件人
     * @param subject 主题
     * @param content 内容
     */
    public boolean sendSimpleMail(String from,String to, String subject, String content) {
        //创建SimpleMailMessage对象
        SimpleMailMessage message = new SimpleMailMessage();
        //邮件发送人
        message.setFrom(from);
        //邮件接收人
        message.setTo(to);
        //邮件主题
        message.setSubject(subject);
        //邮件内容
        message.setText(content);
        //发送邮件
        mailSender.send(message);
        return  true;
    }

    /**
     * html邮件
     * @param to 收件人,多个时参数形式 ："xxx@xxx.com,xxx@xxx.com,xxx@xxx.com"
     * @param subject 主题
     * @param content 内容
     */
    public boolean sendHtmlMail(String from,String to, String subject, String content) {
        //获取MimeMessage对象
        MimeMessage message = mailSender.createMimeMessage();
        MimeMessageHelper messageHelper;
        try {
            messageHelper = new MimeMessageHelper(message, true);
            //邮件发送人
            messageHelper.setFrom(from);
            //邮件接收人,设置多个收件人地址
            InternetAddress[] internetAddressTo = InternetAddress.parse(to);
            messageHelper.setTo(internetAddressTo);
            //messageHelper.setTo(to);
            //邮件主题
            message.setSubject(subject);
            //邮件内容，html格式
            messageHelper.setText(content, true);
            //发送
            mailSender.send(message);
            //日志信息
            log.info("邮件已经发送。");
            return  true;
        } catch (Exception e) {
            log.error("发送邮件时发生异常！", e);
            return  false;
        }
    }

    /**
     * 带附件的邮件
     * @param to 收件人
     * @param subject 主题
     * @param content 内容
     * @param filePath 附件
     */
    public boolean sendAttachmentsMail(String from,String to, String subject, String content, String filePath) {
        MimeMessage message = mailSender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);
            FileSystemResource file = new FileSystemResource(new File(filePath));
            String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
            helper.addAttachment(fileName, file);
            mailSender.send(message);
            //日志信息
            log.info("邮件已经发送。");
            return  true;
        } catch (Exception e) {
            log.error("发送邮件时发生异常！", e);
            return  false;
        }
    }
}