springboot整合springmvc拦截器
package com.itheima.config; import com.itheima.interceptor.MyInterceptor; 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.WebMvcConfigurer; @Configuration public class MvcConfig implements WebMvcConfigurer { //注册拦截器 @Bean public MyInterceptor myInterceptor(){ return new MyInterceptor(); } //添加拦截器到springmvc 拦截器链 @Override public void addInterceptors(InterceptorRegistry registry) { registry.addInterceptor(myInterceptor()).addPathPatterns("/*"); } }
package com.itheima.interceptor; import lombok.extern.slf4j.Slf4j; import org.springframework.web.servlet.HandlerInterceptor; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @Slf4j public class MyInterceptor implements HandlerInterceptor { @Override public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { log.debug("这是MyInterceptor的preHandle"); return true; } @Override public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception { log.debug("这是MyInterceptor的postHandle"); HandlerInterceptor.super.postHandle(request, response, handler, modelAndView); } @Override public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception { log.debug("这是MyInterceptor的afterCompletion"); HandlerInterceptor.super.afterCompletion(request, response, handler, ex); } }
作者:银龙
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