web.xml中配置Filter:
<filter> <filter-name>jsessionid</filter-name> <filter-class> cn.iautos.mall.filter.RemoveUrlSessionFilter </filter-class> </filter> <filter-mapping> <filter-name>jsessionid</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
java代码如下:
package cn.iautos.mall.filter; import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpServletResponseWrapper; import javax.servlet.http.HttpSession; /** * 去除url中的jsessionid * @author xuzhenmin * @version 2014-5-30 下午2:33:34 */ public class RemoveUrlSessionFilter implements Filter { public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { // skip non-http requests if (!(request instanceof HttpServletRequest)) { chain.doFilter(request, response); return; } HttpServletRequest httpRequest = (HttpServletRequest) request; HttpServletResponse httpResponse = (HttpServletResponse) response; // clear session if session id in URL if (httpRequest.isRequestedSessionIdFromURL()) { HttpSession session = httpRequest.getSession(); if (session != null) session.invalidate(); } // wrap response to remove URL encoding HttpServletResponseWrapper wrappedResponse = new HttpServletResponseWrapper(httpResponse) { @Override public String encodeRedirectUrl(String url) { return url; } public String encodeRedirectURL(String url) { return url; } public String encodeUrl(String url) { return url; } public String encodeURL(String url) { return url; } }; // process next request in chain chain.doFilter(request, wrappedResponse); } /** * Unused. */ public void init(FilterConfig config) throws ServletException { } /** * Unused. */ public void destroy() { } }