📄 welcome.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ page import="DataBase.DBConn"%>
<%@ page import="java.sql.ResultSet"%>
<html>
<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网上考试系统</title>
<link rel="stylesheet" type="text/css" href="css.css">
</head>
<%int id=0,i=0,j=0,k=0,m=0,n=0,p1=0,p2=0,p3=0;
%>
<body topmargin="0" leftmargin="0">
<%DBConn db=new DBConn();
String sql="select * from test order by id desc ";
ResultSet rs=db.Query(sql);
if(rs.next()){
id=rs.getInt("id");
String sql2="select * from chengji where id1='"+id+"'";
ResultSet rs1=db.Query(sql2);
while(rs1.next()){
i++;
}
String sql3="select * from student ";
ResultSet rs2=db.Query(sql3);
while(rs2.next()){
j++;
if(rs2.getString("sex").equals("男")){
k++;
}
m=j-k;
}
}
String sql4="select * from pdt";
ResultSet rs3=db.Query(sql4);
while(rs3.next()){
p1++;
}
String sql5="select * from xzt";
ResultSet rs4=db.Query(sql5);
while(rs4.next()){
p2++;
}
String sql6="select * from type3";
ResultSet rs5=db.Query(sql6);
while(rs5.next()){
p3++;
}
n=p1+p2+p3;
%>
<div align="center">
<center>
<table border="0" cellpadding="10" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="500" height="100">
<tr>
<td align="center">欢迎进入在线考试后台管理系统!!!</td>
</tr>
<tr>
<td>以下是在线考试综合数据统计:</td>
</tr>
<tr>
<td>1、现在进行的是第 <font color=red><%=id %></font> 期考试,已经参加考试的有 <font color=red><%=i %></font> 人;====><a href=report.jsp>详细考试成绩表</a></td>
</tr>
<tr>
<td>2、现在注册的学生有 <font color=red><%= j%></font> 人,其中男生 <font color=red><%=k %></font> 人,女生 <font color=red><%=m %></font> 人;=====><a href=student_admin.jsp>详细学生情况</a></td>
</tr>
<tr>
<td>3、现在题库中共有 <font color=red><%=n %></font> 道题,其中判断题 <font color=red><%=p1 %></font> 道,选择题 <font color=red><%= p2%></font> 道,填空题 <font color=red><%= p3%></font> 道。</td>
</tr>
</table>
</center>
</div>
</body>
</html>
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