spring boot 2.0 (4): 차단기 (비 로그 인 차단, 정적 자원 제거)

컨트롤 러: WebConfig
주: 많은 학생 들 이 정적 자원 이 차단 되 었 다 고 말 합 니 다. 처리 방법: addResource Handlers 에 정적 자원 맵 을 추가 합 니 다. 본 고 는 / static / * * 로 매 핑 한 다음 에 차단기 에 excludePathPatterns 에 / static / * 를 추가 하면 정적 자원 을 놓 을 수 있 습 니 다.

package com.nyfz.util.interceptor;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.ResourceUtils;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.JstlView;

@Configuration
public class WebConfig implements WebMvcConfigurer  {
	 
		@Autowired
		LoginInterceptor loginInterceptor;
	 
		/**
		 *         url
		 */
		final String[] notLoginInterceptPaths = {"/static/**","/admin/login","/error/**","/login"};
	 
		@Override
		public void addInterceptors(InterceptorRegistry registry) {
			//          
			//      
			registry.addInterceptor(loginInterceptor).addPathPatterns("/**")
			          .excludePathPatterns(notLoginInterceptPaths);
		}
	 
		@Override
		public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
			configurer.enable();
		}
	 
/*		@Bean
		public InternalResourceViewResolver viewResolver() {
			InternalResourceViewResolver resolver = new InternalResourceViewResolver();
			resolver.setPrefix("/templates/");
			resolver.setSuffix(".html");
			resolver.setViewClass(JstlView.class);
			return resolver;
		}*/
	 
		/**
		 *        controller        
		 */
		@Override
		public void addViewControllers(ViewControllerRegistry registry) {
			registry.addViewController("/login").setViewName("login");
	 
		}

		/***
		 * addResourceLocations          ，addResoureHandler            
		 */
		@Override
		public void addResourceHandlers(ResourceHandlerRegistry registry) {
			// TODO Auto-generated method stub
			//        
			registry.addResourceHandler("/static/**").addResourceLocations(ResourceUtils.CLASSPATH_URL_PREFIX+"/static/");
			WebMvcConfigurer.super.addResourceHandlers(registry);
		}
		
}

 
로그 인 차단기: LoginInterceptor

package com.nyfz.util.interceptor;


import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

@Configuration
public class LoginInterceptor extends HandlerInterceptorAdapter{
	Logger logger = LoggerFactory.getLogger(getClass());
 
	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
		logger.info("  LoginInterceptor   ==============");
		String basePath = request.getContextPath();
		String path = request.getRequestURI();
		logger.info("basePath:" + basePath);
		logger.info("path:" + path);
		logger.info("userkey:"+request.getSession().getAttribute("userkey"));
		if(request.getSession().getAttribute("userkey") == null){
			
			logger.info("    ，       ");
			response.setHeader("Content-Type", "text/html;charset=UTF-8");
			response.sendRedirect(request.getContextPath() + "/login");
			return false;
		}
		logger.info("   ，  ！");
		return true;
	}
}