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package org.fielter.test;
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;
/**
* ¹ýÂËÐγɻ·Â·µÄfielter <p>
*
* @author yuezhen
*/
public class CircleFilter implements Filter {
public void init(FilterConfig filterConfig) throws ServletException {
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain filterChain) {
try{
HttpServletRequest req = (HttpServletRequest) request;
String original="";
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