SpringBoot使用Aop记录请求日志

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.*;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import JAVAx.servlet.http.HttpServletRequest;
import java.lang.reflect.Method;
import java.lang.reflect.Parameter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 统一日志处理切面
 */
@Aspect
@Component
@Order(1)//定义Spring容器加载bean的顺序
public class WebLogAspect {

    //定义切点表达式,指定通知功能被应用的范围
    @Pointcut("execution(public * com.xxmfl.mp.sichao.controller.*.*(..))")
    public void webLog() {
    }

    @Before("webLog()")
    public void doBefore(JoinPoint joinPoint) throws Throwable {
    }

    /**value切入点位置
     * returning 自定义的变量，标识目标方法的返回值,自定义变量名必须和通知方法的形参一样
     * 特点：在目标方法之后执行的,能够获取到目标方法的返回值，可以根据这个返回值做不同的处理
     */
    @AfterReturning(value = "webLog()", returning = "ret")
    public void doAfterReturning(Object ret) throws Throwable {
    }

    //通知包裹了目标方法，在目标方法调用之前和之后执行自定义的行为
    //ProceedingJoinPoint切入点可以获取切入点方法上的名字、参数、注解和对象
    @Around("webLog()")
    public Object doAround(ProceedingJoinPoint joinPoint) throws Throwable
    {
        long startTime = System.currentTimeMillis();
        //获取当前请求对象
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();
        //前面是前置通知，后面是后置通知
        Object result = joinPoint.proceed();
        Signature signature = joinPoint.getSignature();
        MethodSignature methodSignature = (MethodSignature) signature;
        Method method = methodSignature.getMethod();
        long endTime = System.currentTimeMillis();
        System.out.println(request.getMethod()); //请求方式
        System.out.println(getParameter(method, joinPoint.getArgs())); //请求参数
        System.out.println(result);//返回结果
        System.out.println((int) (endTime - startTime)); //响应时间
        System.out.println(request.getRequestURL().toString());//请求路径
        //存入数据库记录
        return result;
    }

    /**
     * 根据方法和传入的参数获取请求参数
     */
    private Object getParameter(Method method, Object[] args)
    {
        List<Object> argList = new ArrayList<>();
        Parameter[] parameters = method.getParameters();
        for (int i = 0; i < parameters.length; i++) {
            //将RequestBody注解修饰的参数作为请求参数
            RequestBody requestBody = parameters[i].getAnnotation(RequestBody.class);
            if (requestBody != null) {
                argList.add(args[i]);
            }
            //将RequestParam注解修饰的参数作为请求参数
            RequestParam requestParam = parameters[i].getAnnotation(RequestParam.class);
            if (requestParam != null) {
                Map<String, Object> map = new HashMap<>();
                String key = parameters[i].getName();
                if (!StringUtils.isEmpty(requestParam.value())) {
                    key = requestParam.value();
                }
                map.put(key, args[i]);
                argList.add(map);
            }
        }
        if (argList.size() == 0) {
            return null;
        } else if (argList.size() == 1) {
            return argList.get(0);
        } else {
            return argList;
        }
    }
}