27.Spring-Boot中拦截器中静态资源的处理（踩过坑）以及Spring mvc configuring拓展介绍

package com.niugang.filter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
public class LogInterceptor implements HandlerInterceptor {
private static Logger logger = LoggerFactory.getLogger(LogInterceptor.class);
    /**
     * 执行拦截器之前
     */
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws Exception {
logger.info("interceptor....在执行前...url:{}", request.getRequestURL());
return true; //返回false将不会执行了
}

      /**
* 调用完处理器，渲染视图之前
*/
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
ModelAndView modelAndView) throws Exception {
logger.info("interceptor.......url:{}", request.getRequestURL());
}


@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
throws Exception {
}
}

package com.niugang.config;
import java.util.concurrent.TimeUnit;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.CacheControl;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import com.niugang.filter.LogInterceptor;
@Configuration
@EnableWebMvc
public class MvcConfig extends WebMvcConfigurerAdapter {
/**
* 授权拦截的路径 addPathPatterns：拦截的路径 excludePathPatterns：不拦截的路径
*/
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(new LogInterceptor()).addPathPatterns("/**").excludePathPatterns("/login/**",
"/static/*");
super.addInterceptors(registry);
}

     /**
* 修改springboot中默认的静态文件路径
*/
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
//addResourceHandler请求路径
//addResourceLocations 在项目中的资源路径
//setCacheControl 设置静态资源缓存时间
registry.addResourceHandler("/static/**").addResourceLocations("classpath:/static/")
.setCacheControl(CacheControl.maxAge(1, TimeUnit.HOURS).cachePublic());
super.addResourceHandlers(registry);
}
}

<link href="static/themes/bootstrap.min.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="static/script/jquery.min.js" ></script>
<!--layer弹出框-->
<link rel="stylesheet" href="static/script/layer/mobile/need/layer.css" type="text/css">
<script type="text/javascript" src="static/script/layer/layer.js" ></script>

@Configuration
@EnableWebMvc
public class WebConfig {


}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<mvc:annotation-driven/>
</beans>

@Configuration
@EnableWebMvc
public class WebConfig extends WebMvcConfigurerAdapter {
// Override configuration methods...
}

@Configuration
@EnableWebMvc
public class WebConfig extends WebMvcConfigurerAdapter {
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**")
.addResourceLocations("/public-resources/")
.setCacheControl(CacheControl.maxAge(1, TimeUnit.HOURS).cachePublic());
}
}