package com.nbkj.webFilter;import org.springframework.stereotype.Component;import javax.servlet.*;
import java.io.IOException;
import java.util.Date;@Component
public class TimerFilter implements Filter {@Overridepublic void init(FilterConfig filterConfig) throws ServletException {System.out.println("Time  filter init");}@Overridepublic void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {System.out.println("Time filter start");long startTime = new Date().getTime();filterChain.doFilter(servletRequest, servletResponse);System.out.println("time filter:"+(new Date().getTime()-startTime));System.out.println("time filter finish");}@Overridepublic void destroy() {System.out.println("Time filter destroy");}
}

package com.nbkj.config;import com.nbkj.webFilter.TimerFilter;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;import java.util.ArrayList;
import java.util.List;/*** Web配置** @author hsj* @Configuration 这个注解声明这个类是配置类* @create 2017-11-11 18:00**/@Configuration
public class WebConfig {@Beanpublic FilterRegistrationBean timeFilter() {FilterRegistrationBean registrationBean = new FilterRegistrationBean();TimerFilter timerFilter = new TimerFilter();registrationBean.setFilter(timerFilter);List<String> urls = new ArrayList<>();urls.add("/*");registrationBean.setUrlPatterns(urls);return registrationBean;}
}

package com.nbkj.interceptor;import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;import javax.persistence.Convert;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Date;/*** this is spring interceptor** @author hsj* @create 2017-11-11 18:16**/@Component
public class TimeInterceptor implements HandlerInterceptor {/*** 控制器方法处理之前** @param httpServletRequest* @param httpServletResponse* @param handler* @return* @throws Exception*/@Overridepublic boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object handler) throws Exception {System.out.println("preHandle");System.out.println(((HandlerMethod) handler).getBean().getClass().getName());System.out.println(((HandlerMethod) handler).getMethod().getName());httpServletRequest.setAttribute("startTime", new Date().getTime());return false;}/*** 控制器方法处理之后* 控制器方法调用不抛异常调用** @param httpServletRequest* @param httpServletResponse* @param o* @param modelAndView* @throws Exception*/@Overridepublic void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object handler, ModelAndView modelAndView) throws Exception {System.out.println("postHandle");Long startTime = (Long) httpServletRequest.getAttribute("startTime");System.out.println("time interceptor 耗时" + (new Date().getTime() - startTime));}/*** 控制器方法抛不抛异常都会被调用** @param httpServletRequest* @param httpServletResponse* @param o* @param e* @throws Exception*/@Overridepublic void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {System.out.println("afterCompletion");Long startTime = (Long) httpServletRequest.getAttribute("startTime");System.out.println("time interceptor 耗时" + (new Date().getTime() - startTime));System.out.println("ex is" + e);}
}

package com.nbkj.config;import com.nbkj.interceptor.TimeInterceptor;
import com.nbkj.webFilter.TimerFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;import java.util.ArrayList;
import java.util.List;/*** Web配置** @author hsj* @Configuration 这个注解声明这个类是配置类* @create 2017-11-11 18:00**/@Configuration
public class WebConfig extends WebMvcConfigurerAdapter {@Autowiredprivate TimeInterceptor timeInterceptor;@Overridepublic void addInterceptors(InterceptorRegistry registry) {registry.addInterceptor(timeInterceptor);}}

package com.nbkj.aspect;import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.stereotype.Component;import java.util.Date;/*** this is a acpect* 切入点* 在那些方法上起作用* 在什么时候起作用** @author hsj* @create 2017-11-11 20:52**/
@Aspect
@Component
public class TimeAspect {@Around("execution(* com.nbkj.controller.UserController.*(..))")public Object handleControllerMethod(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {System.out.println("time aspect start");Object[] args = proceedingJoinPoint.getArgs();for (Object arg : args) {System.out.println(arg.getClass().getName());System.out.println("arg is " + arg);}long startTime = new Date().getTime();Object obj = proceedingJoinPoint.proceed();System.out.println("time aspect 耗时" + (new Date().getTime() - startTime));System.out.println("time aspect end");return obj;}
}