SpringMVC 利用spring AOP實現每個請求的日誌輸出 原

引入aspectj包。

<dependency>  
      <groupId>org.aspectj</groupId>  
      <artifactId>aspectjweaver</artifactId>  
      <version>1.7.2</version>  
</dependency>  

在springmvc-servlet.xml中實現對AOP的支持

<?xml version="1.0" encoding="UTF-8"?>  
<beans xmlns="http://www.springframework.org/schema/beans"   
    xmlns:aop="http://www.springframework.org/schema/aop"   
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"  
    xmlns:context="http://www.springframework.org/schema/context"  
    xmlns:mvc="http://www.springframework.org/schema/mvc"  
    xsi:schemaLocation="     
           http://www.springframework.org/schema/beans     
           http://www.springframework.org/schema/beans/spring-beans-4.0.xsd     
           http://www.springframework.org/schema/context     
           http://www.springframework.org/schema/context/spring-context-4.0.xsd    
           http://www.springframework.org/schema/mvc     
           http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd  
           http://www.springframework.org/schema/aop   
           http://www.springframework.org/schema/aop/spring-aop-4.0.xsd">  
             
    <aop:aspectj-autoproxy proxy-target-class="true"/>  
    <bean class="com.yusj.interceptor.LogAspect" />  
</beans>  

註解的方法實現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 ; // 請求地址  
    private String userName = null ; // 用戶名  
    private Map<?,?> inputParamMap = null ; // 傳入參數  
    private Map<String, Object> outputParamMap = null; // 存放輸出結果  
    private long startTimeMillis = 0; // 開始時間  
    private long endTimeMillis = 0; // 結束時間  
  
    /** 
     */  
    @Before("execution(* com.yusj.controller..*.*(..))")  
    public void doBeforeInServiceLayer(JoinPoint joinPoint) {  
        startTimeMillis = System.currentTimeMillis(); // 記錄方法開始執行的時間  
    }  
  
    /** 
     */  
    @After("execution(* com.yusj.controller..*.*(..))")  
    public void doAfterInServiceLayer(JoinPoint joinPoint) {  
        endTimeMillis = System.currentTimeMillis(); // 記錄方法執行完成的時間  
        this.printOptLog();  
    }  
  
    /** 
     */  
    @Around("execution(* com.yusj.controller..*.*(..))")  
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {  
        /** 
         * 1.獲取request信息 
         * 2.根據request獲取session 
         * 3.從session中取出登錄用戶信息 
         */  
        RequestAttributes ra = RequestContextHolder.getRequestAttributes();  
        ServletRequestAttributes sra = (ServletRequestAttributes)ra;  
        HttpServletRequest request = sra.getRequest();  
        // 從session中獲取用戶信息  
        String loginInfo = (String) session.getAttribute("username");  
        if(loginInfo != null && !"".equals(loginInfo)){  
            userName = operLoginModel.getLogin_Name();  
        }else{  
            userName = "用戶未登錄" ;  
        }  
        // 獲取輸入參數  
        inputParamMap = request.getParameterMap();  
        // 獲取請求地址  
        requestPath = request.getRequestURI();  
          
        // 執行完方法的返回值：調用proceed()方法，就會觸發切入點方法執行  
        outputParamMap = new HashMap<String, Object>();  
        Object result = pjp.proceed();// result的值就是被攔截方法的返回值  
        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));  
    }  
}