日志处理
1.请求URL
2.访问者ip
3.返回内容
4.参数args
5.调用方法classMethod
主要目的,记录访问者ip,URL,及其日志信息
1.@Pointcut(“execution()”)中匹配规则问题 springboot 项目
@Pointcut("execution(* com.xyj.blog.web.*.*(..))")
2.LogAspect类(主要作用记录访问者ip,url)
package com.xyj.blog.aspect;
import org.aspectj.lang.JoinPoint;
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;
/**
* @author xyj
* @date 2020/4/4 -18:25
*/
@Aspect
@Component//开启主键扫描,为了可以扫描到这个类
public class LogAspect {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
//定义一个切面
@Pointcut("execution(* com.xyj.blog.web.*.*(..))")
public void log() {
}
@Before("log()")//通过joinpoint获取
public void doBefore(JoinPoint joinPoint) {
ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
HttpServletRequest request = attributes.getRequest();
String url = request.getRequestURL().toString();
String ip = request.getRemoteAddr();
String classMethod = joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName();
Object[] args = joinPoint.getArgs();
RequestLog requestLog = new RequestLog(url, ip, classMethod, args);
logger.info("Request : {}", requestLog);
}
@After("log()")
public void doAfter() {
}
@AfterReturning(returning = "result", pointcut = "log()")
public void doAfterRuturn(Object result) {
logger.info("Result : {}", result);
}
private class RequestLog {
private String url;
private String ip;
private String classMethod;
private Object[] args;
public RequestLog(String url, String ip, String classMethod, Object[] args) {
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) +
'}';
}
}
}
3.启动后可以在日志中记录