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;

/**
 *    設定字元編碼的類，目的是將頁面上傳過來的資料統一編碼為UTF-8,這樣做是為了避免當資料插入資料庫後會中文亂碼問題 
*/
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
    {
        
    }

}