Java去掉 URL 中的 jsessionid

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;
import javax.servlet.http.HttpSession;
import java.io.IOException;
 
 
public class DisableUrlSessionFilter 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() {
     }
}
 

[代码] web.xml

   jsessionid
  
    com.haoxingtong.web.web.filter.DisableUrlSessionFilter
  
   jsessionid
   /*

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