encodingfilter.java

一个专门用来快速开发网站的框架

package com.ksgl.body.member;

import javax.servlet.Filter;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.FilterChain;
import java.io.IOException;
import javax.servlet.http.HttpServlet;
import java.io.PrintWriter;

/**
 * <p>Title: literature item </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author hj
 * @version 1.0
 */
public class EncodingFilter extends HttpServlet implements Filter
{


  private FilterConfig config = null;
  private String targetEncoding = "gb2312";

  public void init(FilterConfig filterConfig) throws ServletException {
    this.config = filterConfig;
    this.targetEncoding = config.getInitParameter("encoding");
  }

  public void doFilter(ServletRequest servletRequest,
                       ServletResponse servletResponse, FilterChain filterChain) throws
      IOException, ServletException  {
    ServletRequest request = (ServletRequest) servletRequest;
    ServletResponse respose= (ServletResponse) servletResponse;
    try {
      request.setCharacterEncoding(targetEncoding);
      filterChain.doFilter(request, respose);

    }
    catch (Exception ex) {
      ex.printStackTrace();
    }

  }
}