日志拦截器

最新推荐文章于 2022-07-17 13:47:27 发布

YangzaiLeHeHe

最新推荐文章于 2022-07-17 13:47:27 发布

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本文介绍如何在Restapi层面设置拦截器，详细记录请求的参数名和参数值，特别指出ServletRequest和ServletResponse因无法序列化而需要注意。

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在Restapi这层放置一个拦截器，在日志中打印出入参的参数名和参数值：

这个主要是注意ServletRequest和ServletResponse 不能就行序列化。

package com.*.*.*.restapi.aspect;

import com.alibaba.fastjson.JSONObject;
import com.*.common.util.GSONUtil;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import java.lang.reflect.Method;
/**
 * 日志拦截器
 * Created by yang  
 */
@Aspect
@Component
public class ControllerLogAspect {
    private static final Logger logger = LoggerFactory.getLogger(ControllerLogAspect.class);

    @Pointcut("execution(* com.*.*.*.restapi.web..*.*(..))")
    public void controllerLog(){}

    @Around("controllerLog()")
    public Object around(ProceedingJoinPoint joinPoint) {

        Object[] args = joinPoint.getArgs();
        Object[] arguments  = new Object[args.length];
        for (int i = 0; i < args.length; i++) {
            if (args[i] instanceof ServletRequest || args[i] instanceof ServletResponse || args[i] instanceof MultipartFile) {
                //ServletRequest不能序列化，从入参里排除，否则报异常：java.lang.IllegalStateException: It is illegal to call this method if the current request is not in asynchronous mode (i.e. isAsyncStarted() returns false)
                //ServletResponse不能序列化 从入参里排除，否则报异常：java.lang.IllegalStateException: getOutputStream() has already been called for this response
                continue;
            }
            arguments[i] = args[i];
        }
        String paramter = "";
        if (arguments != null) {
            try {
                paramter = JSONObject.toJSONString(arguments);
            } catch (Exception e) {
                paramter = arguments.toString();
            }
        }
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Method method = signature.getMethod();
        String[] parameterNames = signature.getParameterNames();

        logger.info("开始调用--> {}的{}方法,参数名称:{}参数值:{}", method.getDeclaringClass().getSimpleName(), method.getName(), JSONObject.toJSONString(parameterNames), paramter);

        try {
            long start = System.currentTimeMillis();
            Object result = joinPoint.proceed();

            logger.info("调用结束--> {}的{}方法,返回值:{},耗时:{}ms", method.getDeclaringClass().getSimpleName(), method.getName(), JSONObject.toJSONString(result), String.valueOf(System.currentTimeMillis() - start));
            return result;
        } catch (Throwable throwable) {
            logger.error(throwable.getMessage(), throwable);
        }
        return null;
    }
}