package music;
  import java.io.*;
  import javax.servlet.*;
  public class SetCharacterEncodingFilter implements Filter {     public void destroy()     {     }
      public void doFilter(ServletRequest request, ServletResponse response,                          FilterChain chain) throws IOException,             ServletException     {         request.setCharacterEncoding("GB2312");         chain.doFilter(request, response);     }
      public void init(FilterConfig filterConfig) throws ServletException     {} } 
 
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