SpringMVC 利用spring AOP实现每个请求的日志输出

引入aspectj包。

  
        org.aspectj  
        aspectjweaver  
        1.7.2  
      

在springmvc-servlet.xml中实现对AOP的支持

  
  
             
      
      
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注解的方法实现Aspect

import java.text.SimpleDateFormat;  
import java.util.HashMap;  
import java.util.Map;  
  
import javax.servlet.http.HttpServletRequest;  
  
import org.aspectj.lang.JoinPoint;  
import org.aspectj.lang.ProceedingJoinPoint;  
import org.aspectj.lang.annotation.After;  
import org.aspectj.lang.annotation.Around;  
import org.aspectj.lang.annotation.Aspect;  
import org.aspectj.lang.annotation.Before;  
import org.slf4j.Logger;  
import org.slf4j.LoggerFactory;  
import org.springframework.web.context.request.RequestAttributes;  
import org.springframework.web.context.request.RequestContextHolder;  
import org.springframework.web.context.request.ServletRequestAttributes;  
  
import com.google.gson.Gson;  
  
/** 
* 
 */  
@Aspect  
public class LogAspect {  
    private final Logger logger = LoggerFactory.getLogger(this.getClass());  
  
    private String requestPath = null ; // 请求地址  
    private String userName = null ; // 用户名  
    private Map inputParamMap = null ; // 传入参数  
    private Map outputParamMap = null; // 存放输出结果  
    private long startTimeMillis = 0; // 开始时间  
    private long endTimeMillis = 0; // 结束时间  
  
    /** 
     */  
    @Before("execution(* com.yusj.controller..*.*(..))")  
    public void doBeforeInServiceLayer(JoinPoint joinPoint) {  
        startTimeMillis = System.currentTimeMillis(); // 记录方法开始执行的时间  
    }  
  
    /** 
     */  
    @After("execution(* com.yusj.controller..*.*(..))")  
    public void doAfterInServiceLayer(JoinPoint joinPoint) {  
        endTimeMillis = System.currentTimeMillis(); // 记录方法执行完成的时间  
        this.printOptLog();  
    }  
  
    /** 
     */  
    @Around("execution(* com.yusj.controller..*.*(..))")  
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {  
        /** 
         * 1.获取request信息 
         * 2.根据request获取session 
         * 3.从session中取出登录用户信息 
         */  
        RequestAttributes ra = RequestContextHolder.getRequestAttributes();  
        ServletRequestAttributes sra = (ServletRequestAttributes)ra;  
        HttpServletRequest request = sra.getRequest();  
        // 从session中获取用户信息  
        String loginInfo = (String) session.getAttribute("username");  
        if(loginInfo != null && !"".equals(loginInfo)){  
            userName = operLoginModel.getLogin_Name();  
        }else{  
            userName = "用户未登录" ;  
        }  
        // 获取输入参数  
        inputParamMap = request.getParameterMap();  
        // 获取请求地址  
        requestPath = request.getRequestURI();  
          
        // 执行完方法的返回值：调用proceed()方法，就会触发切入点方法执行  
        outputParamMap = new HashMap();  
        Object result = pjp.proceed();// result的值就是被拦截方法的返回值  
        outputParamMap.put("result", result);  
          
        return result;  
    }  
  
    /** 
     */  
    private void printOptLog() {  
        Gson gson = new Gson(); // 需要用到google的gson解析包  
        String optTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(startTimeMillis);  
        logger.info("\n user："+userName  
                +"  url："+requestPath+"; op_time：" + optTime + " pro_time：" + (endTimeMillis - startTimeMillis) + "ms ;"  
                +" param："+gson.toJson(inputParamMap)+";"+"\n result："+gson.toJson(outputParamMap));  
    }  
}  

 

转载于:https://my.oschina.net/alters/blog/844822