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   <%@ page contentType="text/html; charset=UTF-8"%>
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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   public class SetCharacterEncodingFilter implements Filter{
 /*¹ýÂËÆ÷,½â¾öÖÐÎÄÂÒÂëÎÊÌâ*/
  protected String encoding = "UTF-8";
  protected FilterConfig filterConfig = null;
  protected boolean ignore = true;
 public void destroy() {
  // TODO Auto-generated method stub
     this.encoding = null;
           this.filterConfig = null;
  
 }
 public void doFilter(ServletRequest request, ServletResponse response,
   FilterChain chain) throws IOException, ServletException {
  // TODO Auto-generated method stub
   try {
             // Conditionally select and set the character encoding to be used
             if (ignore || (request.getCharacterEncoding() == null)) {
                 String encoding = selectEncoding(request);
                 if (encoding != null)
                     request.setCh