package com.opr.controller;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;import com.opr.service.UserService;@Controller
@RequestMapping("user")
public class UserController {@Autowired UserService userService;/**** 首页* @param request* @param response* @return ModelAndView*/@RequestMapping("index")public ModelAndView index(HttpServletRequest request,HttpServletResponse response) {return new ModelAndView("index");}/**** 登录* @param request* @param response* @return ModelAndView*/@RequestMapping("userLogin")public ModelAndView userLogin(HttpServletRequest request,HttpServletResponse response,String userName,String password) {ModelAndView mv = new ModelAndView();try {boolean result = userService.userLogin(userName,password);if(result) {mv.setViewName("success");}else {mv.setViewName("error");}} catch (Exception e) {// TODO: handle exception
            e.printStackTrace();}return mv;}}

package com.opr.service.impl;import org.springframework.stereotype.Service;import com.opr.annotation.OperLog;
import com.opr.service.UserService;@Service("userService")
public class UserServiceImpl implements UserService {//设置默认值，模拟登录private final String userName = "admin";private final String password = "123456";@Override@OperLog(operType="用户登录",userIndex = 0 )//0为下标，代表传入的第一个参数，这里取userName为示例。实际场景可以在session中取操作人！public boolean userLogin(String userName,String password) {boolean flag = false;if(this.userName.equals(userName) && this.password.equals(password)) {flag = true;}return flag;}}

package com.opr.annotation;import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;//这里不明白的童鞋可以抽空看看自定义注解
@Target({ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
public @interface OperLog {//操作类型String operType() default "";//操作人String user() default "";//操作人下标int userIndex() default -1;}

package com.opr.interceptor;import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.stereotype.Component;import com.opr.annotation.OperLog;@Aspect
@Component
public class OperLogInterceptor {//这里写的为环绕触发 ，可自行根据业务场景选择@Before @After//触发条件为：com.opr包下面所有类且注解为OperLog的@Around("within(com.opr..*) && @annotation(operLog)")public Object doAroundMethod(ProceedingJoinPoint pjd,OperLog operLog) throws Throwable {long startTime=System.currentTimeMillis();//开始时间
        Object[] params = pjd.getArgs();//获取请求参数System.out.println("监听到传入参数为:");for(Object param:params) {System.out.println(param);}//###################上面代码为方法执行前#####################Object result  = pjd.proceed();//执行方法，获取返回参数//###################下面代码为方法执行后#####################System.out.println("返回参数为:" + result);String user = operLog.userIndex()==-1?operLog.user():(String)params[operLog.userIndex()];//操作人String operType = operLog.operType();//操作类型System.out.println("操作人: " + user +" 操作类型: " + operType);long endTime=System.currentTimeMillis();//结束时间float excTime=(float)(endTime-startTime)/1000;System.out.println("执行时间:"+excTime+"s");System.out.println("#######################分隔符##########################");return result;} }

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:context="http://www.springframework.org/schema/context"xmlns:aop="http://www.springframework.org/schema/aop"xmlns:mvc="http://www.springframework.org/schema/mvc"xsi:schemaLocation="http://www.springframework.org/schema/beans        http://www.springframework.org/schema/beans/spring-beans-4.3.xsdhttp://www.springframework.org/schema/context                http://www.springframework.org/schema/context/spring-context-4.3.xsdhttp://www.springframework.org/schema/aop                http://www.springframework.org/schema/aop/spring-aop-4.3.xsdhttp://www.springframework.org/schema/mvc                    http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd"><!-- 设置扫描目录 --><context:component-scan base-package="com.opr" /><!-- 设置请求映射器 --><bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/><!-- 设置适配器处理器 --><bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/><!-- 设置视图处理器 --><bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/WEB-INF/jsp/"/><property name="suffix" value=".jsp" /></bean><aop:aspectj-autoproxy proxy-target-class="true" /></beans>