📄 conn.jsp
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<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<SCRIPT language=javascript src="js.js" type=text/javascript></SCRIPT>
<jsp:useBean id="db" class="jdbc.queryjdbc" scope="session"/>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<style type="text/css">
<!--
body {
background-color: #CCCCCC;
}
-->
</style>
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'conn.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<%
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String url = "jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ="+"C:\\Documents and Settings\\Administrator\\My Documents\\"+"menu.mdb";
Connection conn = DriverManager.getConnection(url);
String sql="select p_name from a1";
ResultSet r1=db.queryData(conn,sql);
if(r1!=null) {if(r1.next())
{out.print("<UL> <li id='foldheader' >"+r1.getString(1)+"</li> ");
}
}
String sql1="select c_name,c_id from b,a1 where b.p_id=a1.p_id";
ResultSet r2=db.queryData(conn,sql1);
r2.last();
int length=r2.getRow();
r2.first();
out.print(" <ul id='foldinglist' style='display:none'> ");
int i;
for(i=1;i<=length;i++){
out.print(" <li id='foldheader'>"+r2.getString(1)+"</li> ");
String sql_i="select distinct c1_name from b,c where c.c_id="+r2.getString(2);
//ResultSet r_i=db.queryData(conn,sql_i);
Statement st=conn.createStatement();
ResultSet r_i=st.executeQuery(sql_i);
if(r_i!=null){
out.print(" <ul id='foldinglist' style='display:none'> ");
int j=1;
while(r_i.next()){
out.print("<li>"+r_i.getString(1)+"</li> ");
//j++;j++;
}
out.print("</ul>");
}
r2.next();
}
out.print("</ul>");
out.print("</ul>");
conn.close();
}catch(Exception e){
out.print(e.getMessage());}
%>
</body>
</html>
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