AOP 统一处理后端日志

package top.mytao.myproject.platform.aspact;

import com.alibaba.fastjson.JSONObject;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
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 top.mytao.myproject.platform.domain.Result;

import javax.servlet.http.HttpServletRequest;
import java.util.Enumeration;

/**
 * @Description:
 * @Author: caomt
 * @Date Create In 14:42 2019/1/11
 * @Modified By:
 */

@Aspect
@Component
public class WebLogAspect {

    private static final Logger logger = LoggerFactory.getLogger(WebLogAspect.class);

    @Pointcut("execution(public * top.mytao.myproject.platform.controller.BaseController+.*(..))")
    public void webLog() {
    }

    /**
     * 前置拦截请求参数信息
     *
     * @param joinPoint
     * @throws Throwable
     */
    @Before("webLog()")
    public void doBefore(JoinPoint joinPoint) throws Exception {

        //获取目标方法的参数信息
        Signature signature = joinPoint.getSignature();

        // 接收到请求，记录请求内容 记录
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();
        String HTTP_METHOD = request.getMethod();
        // 请求地址
        logger.info("URL : " + request.getRequestURL().toString());
        // 请求方法
        logger.info("HTTP_METHOD : " + HTTP_METHOD);

        /*
         请求ip地址
         如果通过ningx 代理,获取真实的ip地址,
         如果 request.getHeader("X-Real-IP") 不存在  则通过request.getRemoteAddr()获取ip地址
         */
        String realIp = request.getHeader("X-Real-IP");
        if (realIp != null) {

            logger.info("IP : " + realIp);

        } else {

            logger.info("IP : " + request.getRemoteAddr());

        }

        if ("GET".equals(HTTP_METHOD)) {

            Enumeration<String> enu = request.getParameterNames();
            StringBuilder params = new StringBuilder();
            params.append("RequestParam : ");
            while (enu.hasMoreElements()) {
                String name = enu.nextElement();
                // 请求参数
                params.append(name).append(" =").append(request.getParameter(name)).append(", ");
            }
            logger.info(params.toString());

        } else {
            // 获取参数信息
            logger.info("RequestParam : " + JSONObject.toJSONString(joinPoint.getArgs()));
        }

        // AOP代理类的名字和方法
        logger.info("PACKAGE : " + signature.getDeclaringTypeName() + "+" + signature.getName());
    }

    /**
     * 后置通知
     *
     * @param ret
     * @throws Throwable
     */
    @AfterReturning(returning = "ret", pointcut = "webLog()")
    public void doAfterReturning(Object ret) throws Throwable {

        // 处理完请求，返回内容
        if (ret instanceof Result) {

            Result res = (Result) ret;
            logger.info("Result : (code =" + res.getCode() + ", msg =" + res.getMessage() + ")");
        }
    }
}