Spring Boot日志处理

2.4 日志处理

2.4.1 记录日志内容

• 请求url
• 访问者ip
• 调用方法classMethod
• 参数args
• 返回内容

2.4.2 新建包aspect，新建日志切面处理类

package com.fei.aspect;

import java.util.Arrays;

import javax.servlet.http.HttpServletRequest;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
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;

/**
 * Created by zxf on 2019年9月28日
 */
@Aspect // 进行切面操作
@Component // 组件扫描
public class LogAspect {

    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    // 切面
    @Pointcut("execution(* com.fei.controller.*.*(..))")
    public void log() {
    }

    // 切面前操作
    @Before("log()") // 传递切面方法
    public void doBefore(JoinPoint joinPoint) {
        logger.info("---------doBefore------");

        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();

        String url = request.getRequestURL().toString();
        String ip = request.getRemoteAddr();

        Signature signature = joinPoint.getSignature();
        String classMethod = signature.getDeclaringTypeName() + "." + signature.getName();
        Object[] args = joinPoint.getArgs();

        RequestLog requestLog = new RequestLog(url, ip, classMethod, args);

        logger.info("Reqeust : {}", requestLog);
    }

    // 切面后操作
    @After("log()") // 传递切面方法
    public void doAfter() {
        logger.info("---------doAfter------");
    }

    // 切面返回后操作
    @AfterReturning(returning = "result", pointcut = "log()") // 传递切面方法
    public void doAfterReturn(Object result) {
        logger.info("Result : {}", result);
    }

    /**
     * 封装日志记录需要的内容
     *
     * @author fei
     *
     */
    private class RequestLog {
        private String url;// 请求url
        private String ip;// 访问者ip

        private String classMethod;// 调用方法
        private Object[] args;// 参数

        public RequestLog(String url, String ip, String classMethod, Object[] args) {
            super();
            this.url = url;
            this.ip = ip;
            this.classMethod = classMethod;
            this.args = args;
        }

        @Override
        public String toString() {
            return "[url=" + url + ", ip=" + ip + ", classMethod=" + classMethod + ", args=" + Arrays.toString(args)
                    + "]";
        }

    }// RequestLog
}// LogAspect

测试日志切面处理Controller

@Controller
public class IndexController {

    @GetMapping("/{id}/{name}")
    public String toIndex(@PathVariable("id") Integer id, @PathVariable("name") String name) {
        System.out.println("====index()方法执行====");

        return "index";
    }
}