content: package com.java2nb.common.aspect;
  
  import com.java2nb.common.utils.IPUtils;
  import org.aspectj.lang.JoinPoint;
  import org.aspectj.lang.ProceedingJoinPoint;
  import org.aspectj.lang.annotation.*;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.stereotype.Component;
  import org.springframework.web.context.request.RequestContextHolder;
  import org.springframework.web.context.request.ServletRequestAttributes;
  
  import javax.servlet.http.HttpServletRequest;
  import java.util.Arrays;
  
  @Aspect
  @Component
  public class WebLogAspect {
  
      private static final Logger logger = LoggerFactory.getLogger(WebLogAspect.class);
  
      @Pointcut("execution( * com.java2nb..controller.*.*(..))")//两个..代表所有子目录，最后括号里的两个..代表所有参数
      public void logPointCut() {
      }
  
  
      @Before("logPointCut()")
      public void doBefore(JoinPoint joinPoint) throws Throwable {
          // 接收到请求，记录请求内容
          ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
          HttpServletRequest request = attributes.getRequest();
  
          // 记录下请求内容
          logger.info("请求地址 : " + request.getRequestURL().toString());
          logger.info("HTTP METHOD : " + request.getMethod());
          // 获取真实的ip地址
          logger.info("IP : " + IPUtils.getIpAddr(request));
          logger.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "."
              + joinPoint.getSignature().getName());
          logger.info("参数 : " + Arrays.toString(joinPoint.getArgs()));
  
      }
  
      @AfterReturning(returning = "ret", pointcut = "logPointCut()")// returning的值和doAfterReturning的参数名一致
      public void doAfterReturning(Object ret) throws Throwable {
          // 处理完请求，返回内容(返回值太复杂时，打印的是物理存储空间的地址)
          logger.debug("返回值 : " + ret);
      }
  
      @Around("logPointCut()")
      public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
          long startTime = System.currentTimeMillis();
          Object ob = pjp.proceed();// ob 为方法的返回值
          logger.info("耗时 : " + (System.currentTimeMillis() - startTime));
          return ob;
      }
  }
  