精简springboot

package com.dk.baby.controller; import com.alibaba.fastjson.JSONObject; import com.dk.baby.entity.UserInfo; import com.dk.baby.service.UserService; import org.apache.logging.log4j.util.Strings; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.RestController; import javax.annotation.PostConstruct; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import java.util.Optional; @RestController public class UserController { @Resource private UserService userService; @PostMapping("/login") public String login(HttpServletRequest request, @RequestBody String input) { Optional<UserInfo> login = userService.login(); if (login.isPresent()) { return JSONObject.toJSONString(login.get()); } return Strings.EMPTY; } }