📄 yanzheng5.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ page import="DataBase.DBConn"%>
<%@ page import="java.sql.ResultSet"%>
<html>
<head>
<title>在线考试</title>
</head>
<body>
<%
request.setCharacterEncoding("GBK");
response.setCharacterEncoding("GBK");
String T;
int j=1;
String T1=request.getParameter("T1");
String cate1=request.getParameter("cate1");
DBConn db=new DBConn();
String sql="select * from type3 where tgan='"+T1+"'";
String sql2="insert into type3(tgan,dan) values ('"+T1+"','"+cate1+"')";
ResultSet rs=db.Query(sql);
%>
<% if(rs.next()){%>
<script language=javascript>
alert("已有此试题，请重新录入！");
history.back();
</script>
<%}else{
db.Update(sql2);
%>
<script language=javascript>
alert("试题录入成功！");
window.navigate("type_3_add.jsp");
</script>
<%}%>
</body>
</html>
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