通过切面HttpAspect对项目日志打印管理

 功能是对访问controller的用户进行打印输出其信息及操作

          记录请求的url、请求了哪个接口controller、请求的地址ip等

          以及记录请求的参数等信息

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.Enumeration;



@Aspect
@Component
public class HttpAspect
{
    private final static Logger logger = LoggerFactory.getLogger(HttpAspect.class);

    ThreadLocal<Long> startTime = new ThreadLocal<Long>();

    /*
     * 定义一个切入点
     */
    @Pointcut("execution(public * com.dcsoft.controller.*.*(..))")
    public void log()
    {

    }

    /*
     * 通过连接点切入
     */
    @Before("log()")
    public void doBefore(JoinPoint joinPoint)
    {
        // 接收到请求，记录请求内容

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


        // 记录下请求内容

        logger.info("url={}", request.getRequestURL());

        logger.info("method={}", request.getMethod());

        logger.info("ip={}", request.getRemoteAddr());

        logger.info("class_method={}", joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName());

        logger.info("args={}", joinPoint.getArgs());


        //获取所有参数方法
        Enumeration<String> enu = request.getParameterNames();
        while (enu.hasMoreElements()) {

            String paraName = enu.nextElement();

            System.out.println(paraName + ": " + request.getParameter(paraName));

        }
    }

    @After("log()")
    public void doAfter()
    {
        logger.info("结束");
    }

    @AfterReturning(returning = "object", pointcut = "log()")
    public void doAfterReturning(Object object)
    {
        if (null == object) {
            logger.info("response={}", "空");
        } else {
            logger.info("response={}", object.toString());
        }

        logger.info("WebLogAspect.doAfterReturning()");

        //logger.info("请求耗时（毫秒） : " + (System.currentTimeMillis() - startTime.get()));

    }
}