code063.java

package pack01;

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 code063 implements Filter
{
    String encoding = null;

    @Override
    public void destroy()
    {
        this.encoding = null;
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException
    {
        if (encoding != null)
        {
            request.setCharacterEncoding(encoding);
            response.setContentType("text/html; charset=" + encoding);
        }
        chain.doFilter(request, response);
    }

    @Override
    public void init(FilterConfig filterConfig) throws ServletException
    {
        encoding = filterConfig.getInitParameter("encodingx1");
    }

    /*
     * ����tomcat��������web.xml�ļ������ô���
     *<filter>
     *    <filter-name>code063</filter-name>
     *    <filter-class>pack01.code063</filter-class>
     *    <init-param>
     *        <param-name>encodingx1</param-name>
     *        <param-value>UTF-8</param-value>
     *    </init-param>
     *</filter>
     *<filter-mapping>
     *    <filter-name>code063</filter-name>
     *    <url-pattern>/*</url-pattern>
     *</filter-mapping>
     *</web-app>
     * 
     */


}