利用springMVC如何实现一个邮件发送功能

package com.web.controller.api;import javax.annotation.Resource;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import com.service.EmailService;@Controller@RequestMapping("api")public class EmailTaskController {  private static final Logger logger = LoggerFactory.getLogger(EmailTaskController.class);  @Resource   EmailService emailService;    @RequestMapping("sendEmailTask")  public void sendEmailTask() {    logger.info("-------------执行发送邮件START---------------");      //写入excel      //insuranceService.excelManage();      //发邮件      emailService.emailManage();        logger.info("-------------执行发送邮件END---------------");      }}