@Component
public class TimeCountListener implements ApplicationListener<ServletRequestHandledEvent> {
  @Override
  public void onApplicationEvent(ServletRequestHandledEvent event) {
    Throwable failureCause = event.getFailureCause();
    if (failureCause != null) {
      System.err.printf("錯(cuò)誤原因: %s%n", failureCause.getMessage());
    }
    System.err.println("========================================");
    System.err.printf("請(qǐng)求客戶端地址：%s\n請(qǐng)求URL: %s\n請(qǐng)求Method: %s\n請(qǐng)求耗時(shí): %d毫秒%n", 
        event.getClientAddress(),
        event.getRequestUrl(), 
        event.getMethod(), 
        event.getProcessingTimeMillis());
    System.err.println("========================================");
  }
}

 package com.artisan.controller;
import com.artisan.domain.Artisan;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.Arrays;
/**
 * @author 小工匠
 * @version 1.0
 * @description: TODO
 * @date 2021/1/9 22:39
 * @mark: show me the code , change the world
 */
@RestController
public class ArtisanController {
    @RequestMapping("/hi")
    public String test() {
        return "小工匠 每日一博";
    }
    @RequestMapping("/hi2")
    public Object test2() {
        Artisan artisan = new Artisan();
        artisan.setName("小工匠");
        artisan.setAge(18);
        artisan.setHobbies(Arrays.asList("code", "sleep", "study"));
        return artisan;
    }
    /**
     * 處理GET請(qǐng)求，返回自定義的響應(yīng)
     * 該方法通過@RequestParam接收id和kw作為查詢參數(shù)，然后構(gòu)建一個(gè)自定義的響應(yīng)返回給調(diào)用者
     * 主要用于演示如何在Spring MVC中返回自定義的響應(yīng)體和響應(yīng)頭
     *
     * @param id 需要查詢的ID
     * @return 自定義的響應(yīng)對(duì)象，包含響應(yīng)體、響應(yīng)頭和HTTP狀態(tài)碼
     */
    @GetMapping("/hi3")
    public Object index(Long id) {
        // 創(chuàng)建HttpHeaders對(duì)象，用于自定義響應(yīng)頭
        HttpHeaders headers = new HttpHeaders();
        // 向響應(yīng)頭中添加自定義的版本信息
        headers.add("x-version", "v1");
        // 創(chuàng)建響應(yīng)對(duì)象，設(shè)置響應(yīng)體、響應(yīng)頭和HTTP狀態(tài)碼
        ResponseEntity<Object> response = new ResponseEntity<>(
                // 構(gòu)建響應(yīng)體內(nèi)容，格式化輸出id和kw
                String.format("id = %d", id),
                headers,
                HttpStatus.valueOf(200)
        );
        // 返回自定義的響應(yīng)對(duì)象
        return response;
    }
}

public class PerformanceInterceptor implements HandlerInterceptor {
    private static final Logger logger = LoggerFactory.getLogger(PerformanceInterceptor.class);
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
        request.setAttribute("startTime", System.currentTimeMillis());
        return true;
    }
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
        long startTime = (Long) request.getAttribute("startTime");
        long endTime = System.currentTimeMillis();
        long executeTime = endTime - startTime;
        logger.info("請(qǐng)求URL: {}，耗時(shí): {} ms", request.getRequestURI(), executeTime);
    }
}

management.endpoints.web.exposure.include=*