query_permit.jsp

网上考试系统文件版

<%@page import="java.lang.reflect.Array"%>
<%@page import="java.io.*"%>
<%@ page contentType="text/html;charset=GBK" import="java.sql.*" %>
<jsp:useBean id="Operate" scope="page" class="todb.Operate"/>
<%
String studentname=new String(request.getParameter("stuname").getBytes("ISO8859_1"));
String studentnum=new String(request.getParameter("stunum").getBytes("ISO8859_1"));
String studentpermit=new String(request.getParameter("stupermit").getBytes("ISO8859_1"));
		
File file=new File("C:\\Tomcat 5.0\\webapps\\ROOT\\line\\sj");
if(file.isDirectory()){
//文件的建立、检查与删除
File f=new File(file,studentnum+".txt");
File fl=new File(file,studentnum+"l.txt");
		if(fl.exists()&&f.exists())
		{
		session.setAttribute("student",studentname);
        session.setAttribute("studentnum",studentnum);
		response.sendRedirect("query.jsp");
		}
		else
		{
	out.println("<script language=javascript>");
	out.println("window.alert('请确定你已经参加过考试，或者输入错误的学号和准考证号！');");
	out.println("location.href='query_logon.jsp'");
	out.println("</script>");
		}
}
%>