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;

 public   class  CharsetFilter  implements  Filter{

	   public   void  init(FilterConfig config)  throws  ServletException{}

	   public   void  doFilter(ServletRequest request, ServletResponse response, FilterChain next) throws  IOException, ServletException{
	    request.setCharacterEncoding("utf-8");

	    next.doFilter(request, response); 
	  }
  
   public   void  destroy(){}
}