对于添加了springMVC拦截器后无法访问静态文件的情况,有三种解决办法,可参考:http://www.cnblogs.com/banning/p/6195072.html
我项目中用的第一种方案,且静态文件全在/WEB-INF/public/,故配置如下:
springmvc-config.xml配置如下:
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd"> <!-- 开启springmvc注解 --> <mvc:annotation-driven /> <!-- 自动扫描包 --> <context:component-scan base-package="com.chensan"/> <!-- springmvc不过滤的目录和文件 --> <mvc:resources mapping="/public/**" location="/WEB-INF/public/" /> <!-- 配置视图解析器:如何把Handler方法返回值解析为实际的物理视图 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> <!-- 拦截器 --> <mvc:interceptors> <!-- 多个拦截器,顺序执行 --> <mvc:interceptor> <mvc:mapping path="/**"/> <!-- 需排除拦截的地址 --> <mvc:exclude-mapping path="/public/**"/> <bean class="com.chensan.interceptor.LoginInterceptor"></bean> </mvc:interceptor> </mvc:interceptors> </beans>
session拦截器
package com.chensan.interceptor; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.springframework.web.servlet.HandlerInterceptor; import org.springframework.web.servlet.ModelAndView; /** * 登录认证的拦截器 */ public class LoginInterceptor implements HandlerInterceptor{ /** * Handler执行之前调用这个方法 */ public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { //获取请求的URL String url = request.getRequestURI(); System.out.println("访问路径:"+ url); //URL:login.jsp是公开的;这个demo是除了login.jsp是可以公开访问的,其它的URL都进行拦截控制 if(url.indexOf("/signIn")>=0){ return true; } System.out.println("拦截路径:"+ url); //获取Session HttpSession session = request.getSession(); String username = (String)session.getAttribute("loginname"); if(username != null){ return true; } //不符合条件的,跳转到登录界面 request.getRequestDispatcher("/WEB-INF/jsp/login.jsp").forward(request, response); return false; } /** * Handler执行之后,ModelAndView返回之前调用这个方法 */ public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception { } /** * Handler执行完成之后调用这个方法 */ public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception exc) throws Exception { } }