📄 conn1.jsp
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<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*,java.util.*"%>
<%@ include file="connDB.jsp"%>
<html>
<body>
<%
Random r=new Random();
int ran=r.nextInt(5);
%>
<%
Class.forName("org.gjt.mm.mysql.Driver").newInstance();
int randomNumber2=ran+5;
conn= DriverManager.getConnection(url);
stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
sql="select * from problems where no='"+randomNumber2+"'";
rs=stmt.executeQuery(sql);
%>
<table width="226">
<%while(rs.next()) {%>
<tr>
<td colspan="2"><%=rs.getString(2)%></td>
<td colspan="2"><%=rs.getString(3)%></td>
</tr>
<%}%>
<tr>
<td width="74" height="69"><div align="right">
<input type="submit" name="submit" value="提交">
</div></td>
<td width="16"> </td>
<td width="15"> </td>
<td width="101"><div align="left">
<input type="reset" name="reset" value="取消">
</div>
</td>
</table>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>
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