import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.smartcardio.Card;
import java.io.IOException;
import java.io.PrintWriter;
在配置好tomcat后,会自动导入它下面的两个包(jsp-api.jar和servlet.jar),然后在导入javax下的smartcario包后显示如下错误: