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<%@ page language="java" contentType="text/html; charset=GBK" %>
<%!
 String   getCh(String   s)   {  
   try   {  
              String   temp_s   =   s;  
              byte[]   sbyte   =   temp_s.getBytes("ISO8859_1");  
              String   temp   =   new   String(sbyte);  
              return   temp;  
          }  
          catch   (Exception   e)   {}  
          return   "null";  
      }  
%>
<%
 String s = request.getParameter("msg");
 out.print(getCh(request.getParameter("aa")));
 
%>


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jsp request session
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