WebRequestInterceptor WebRequestInterceptor的应用

@Configurationpublic class WebMvcBoot extends WebMvcConfigurerAdapter {    @Resource    public HandlerInterceptor handlerInterceptor;    @Resource    private MyWebRequestInterceptor myWebRequestInterceptor;    @Override    public void addInterceptors(InterceptorRegistry registry) {        super.addInterceptors(registry);         registry.addInterceptor(handlerInterceptor);        registry.addWebRequestInterceptor(myWebRequestInterceptor);    }}

import org.springframework.stereotype.Component;import org.springframework.ui.ModelMap;import org.springframework.web.context.request.WebRequest;import org.springframework.web.context.request.WebRequestInterceptor;@Componentpublic class MyWebRequestInterceptor implements WebRequestInterceptor {    @Override    public void preHandle(WebRequest request) throws Exception {    }    @Override    public void postHandle(WebRequest request, ModelMap model) throws Exception {    }    @Override    public void afterCompletion(WebRequest request, Exception ex) throws Exception {    }}

package com.gy.config;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Component;import org.springframework.web.servlet.ModelAndView;import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;@Componentpublic class HandlerInterceptor extends HandlerInterceptorAdapter {    @Autowired    private SecurityDeal securityDeal;    @Override    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {        //调用接口前调用        return true;    }    @Override    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {        //报异常时不执行，preHandle返回false不执行，反之执行       // System.out.println("postHandle");    }    @Override    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {     //   System.out.println("afterCompletion");    }    @Override    public void afterConcurrentHandlingStarted(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {       // System.out.println("afterConcurrentHandlingStarted");    }}