filter1.java

功能描述 1） 后台：管理员负责对整个论坛进行管理

package com.db;

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

public class Filter1
    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 {
      request.setCharacterEncoding("GB2312");
      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() {
  }
}