chinesefilter.java

很好的j2ee系统 很好的j2ee系统

package org.perfect.struts.filters;

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;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class ChineseFilter extends HttpServlet implements Filter {
    
      private FilterConfig filterConfig;

      public void init(FilterConfig filterConfig) throws ServletException {
          this.filterConfig = filterConfig;
      }

      public void doFilter(ServletRequest request, ServletResponse response,
              FilterChain filterChain) {
          try {
            
              String encoding=filterConfig.getInitParameter("encoding");//从WEB.xml配置文件中取出参数，这样我们可以通过配置修改编码格式．
              request.setCharacterEncoding(encoding);//设置请求的编码格式
              //System.out.println(encoding);
              filterChain.doFilter(request, response);
          } catch (ServletException sx) {
              filterConfig.getServletContext().log(sx.getMessage());
          } catch (IOException iox) {
              filterConfig.getServletContext().log(iox.getMessage());
          }
      }
    

      public void destroy() {
      }
    
      protected void doGet(HttpServletRequest arg0, HttpServletResponse arg1) throws ServletException, IOException {
          super.doGet(arg0, arg1);
      }
    
      protected void doPost(HttpServletRequest arg0, HttpServletResponse arg1) throws ServletException, IOException {
          super.doPost(arg0, arg1);
      }
}