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

spring:
  mail:
    host: smtp.qq.com
    username: xxxxxxxx@qq.com
    # 這個不是QQ密碼，而是自己郵箱-賬戶-開啟POP3/SMTP時的客戶端授權碼
    password: xxxxxxxxx
    default-encoding: utf-8
    protocol: smtp
    properties:
      mail:
        smtp:
          auth:
            starttls:
              # 需要TLS認證 保證發(fā)送郵件安全驗證
              enable: true
              required: true

@Component
public class EmailUtil {

	@Value("${spring.mail.username}")
	private String from;
	@Resource
	private JavaMailSender javaMailSender;
	
	public boolean sendMail(String email, String subject, String text) {
		MimeMessage mimeMessage = javaMailSender.createMimeMessage();
		try {
			MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true);
			// 設置發(fā)件人
			mimeMessageHelper.setFrom(from);
			// 設置收件人
			mimeMessageHelper.setTo(email);
			// 設置郵件主題
			mimeMessageHelper.setSubject(subject);
			// 設置發(fā)送的文本信息
			mimeMessageHelper.setText(text);
			javaMailSender.send(mimeMessage);
			return true;
		} catch (MessagingException e) {
			e.printStackTrace();
			return false;
		}
	}
}

<dependency>
            <groupId>com.github.binarywang</groupId>
            <artifactId>weixin-java-mp</artifactId>
            <version>3.3.0</version>
        </dependency>

@Component
public class WxUtils {

	private Logger log = LoggerFactory.getLogger(getClass());
	public String sendMessage(String title, String message, String userOpenId) {
		//1，配置
		WxMpInMemoryConfigStorage wxStorage = new WxMpInMemoryConfigStorage();
		// 設置appId和secret
		wxStorage.setAppId("xxxxxx");
		wxStorage.setSecret("xxxxxxxxx");
		WxMpService wxMpService = new WxMpServiceImpl();
		wxMpService.setWxMpConfigStorage(wxStorage);
		// 設置消息模板的templateID
		String messageTemplateId = "xxxxxxxxxxx";
		//2,推送消息
		WxMpTemplateMessage templateMessage = WxMpTemplateMessage.builder()
				.toUser(userOpenId) // 要推送的用戶openid
				.templateId(messageTemplateId) // 模版id
//                .url("https://www.xxxxx.com/xxxxxx/") // 這里可以設置用戶點擊模版消息后，跳轉訪問的網(wǎng)址
				.build();
		//3,這里配置推送信息的標題和內容，以及它們的文字顏色
		templateMessage.addData(new WxMpTemplateData("title", title, "#FF00FF"));
		templateMessage.addData(new WxMpTemplateData("message", message, "#FF00FF"));
		try {
			wxMpService.getTemplateMsgService().sendTemplateMsg(templateMessage);
			log.info("微信消息推送成功，消息標題：{}，消息內容：{}，推送給的用戶openid：{}，模板id：{}",
					title, message, userOpenId, messageTemplateId);
			return "推送成功";
		} catch (Exception e) {
			log.error("推送失?。簕},消息標題：{}，消息內容：{}，推送給的用戶openid：{}，模板id：{}", e.getMessage(),
			return "推送失敗";
		}
	}
}