web.xml配置
<filter>
<filter-name>loginInterceptor</filter-name>
<filter-class>com.cbt.Interceptor.LoginInterceptor</filter-class>
<init-param>
<param-name>loginPage</param-name>
<param-value>main_login</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>loginInterceptor</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>loginInterceptor</filter-name>
<url-pattern>*.jsp</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>loginInterceptor</filter-name>
<url-pattern>*.html</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>cbtconsole</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>cbtconsole</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
springmvc配置
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
<!-- 资源映射:因为servlet-mapping会拦截所有请求.需要过滤掉静态资源请求 -->
<mvc:resources location="/WEB-INF/css/" mapping="/css/**" />
<mvc:resources location="/WEB-INF/js/" mapping="/js/**" />
过滤器代码
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest httpServletRequest = (HttpServletRequest) request;
HttpServletResponse httpServletResponse = (HttpServletResponse) response;
String urlPath = httpServletRequest.getRequestURL().toString();
String value = jedisClient.get("key1");
System.out.println(urlPath+"---"+value);
if (value !=null) {
chain.doFilter(request, response);
}else{
httpServletResponse.sendRedirect(urlPath + loginPage);
}
}
@Override
public void init(FilterConfig config) throws ServletException {
//context-param –> listener –> filter –> servlet
loginPage = config.getInitParameter("loginPage");
ServletContext context = config.getServletContext();
ApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(context);
jedisClient = (JedisClient) ctx.getBean("jedisClient");
}
输入localhost:8080进入过滤器后直接死循环了.
求大神指点