package javafile;
import java.io.UnsupportedEncodingException;
//�ַ�ת������
public class codeChange {
	public String codeExchange(String s)
	{
		if(s==null)
		{
			s="";
		}
		else
		{
			try{
				byte[] b=s.getBytes("ISO-8859-1"); 
				s=new String(b,"UTF-8");
			}
			catch(UnsupportedEncodingException e)
			{
				e.getStackTrace();
			}
		}
		return s;
	}

}