package common;

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.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

/**

 *    设置字符编码的类，目的是将页面上传过来的数据统一编码为UTF-8,这样做是为了避免当数据插入数据库后会中文乱码问题

*/

public class EncodeFilter implements Filter

{

    public void destroy()

    {

        // TODO Auto-generated method stub

    }

    public void doFilter(ServletRequest arg0, ServletResponse arg1,

            FilterChain chain) throws IOException, ServletException

    {

        HttpServletRequest request = (HttpServletRequest) arg0;

        HttpServletResponse response = (HttpServletResponse) arg1;

        request.setCharacterEncoding("utf-8");

        chain.doFilter(request, response);

    }

    public void init(FilterConfig arg0) throws ServletException

    {

    }

}