encoldingfilter.java

宠物医院

package filt;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class EncoldingFilter
    extends HttpServlet implements Filter {
  private FilterConfig filterConfig;
  //Handle the passed-in FilterConfig
  public void init(FilterConfig filterConfig) throws ServletException {
    this.filterConfig = filterConfig;
  }

  //Process the request/response pair
  public void doFilter(ServletRequest request, ServletResponse response,
                       FilterChain filterChain) {
    try {
      HttpServletRequest hreq=(HttpServletRequest)request;
      HttpServletResponse hres=(HttpServletResponse)response;
      hres.setCharacterEncoding("GBK");
      hreq.setCharacterEncoding("GBK");
      filterChain.doFilter(request, response);
    }
    catch (ServletException sx) {
      filterConfig.getServletContext().log(sx.getMessage());
    }
    catch (IOException iox) {
      filterConfig.getServletContext().log(iox.getMessage());
    }
  }

  //Clean up resources
  public void destroy() {
  }
}