📄 select.jsp
字号:
<%@ page contentType="text/html;charset=GB2312"%>
<%@ page import="java.sql.*"%>
<%@ page import="java.lang.Exception.*"%>
<%
//数据库连接
String url="jdbc:odbc:xuesheng";
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newInstance();
Connection con=DriverManager.getConnection(url);
Statement stmt=con.createStatement();
ResultSet result=stmt.executeQuery("select * from xinxi_book");
ResultSetMetaData resultmd=result.getMetaData();
%>
<html>
<head>
<title>查询信息</title>
<style type="text/css">
<!--
body {
background-image: url(684514.jpg);
}
}
-->
</style>
</head>
<center>
<h2>请输入查询的信息<h>
<form method="POST" action="select.jsp">
<p>
<select size="1" name="rowname">
<option>book_name</option>
<option>book_author</option>
</select>
<select type="text" name="compare">
<option>=</option>
</select>
<input type="text" name="condition">
<input type="submit" value="提交">
<font face="方正舒体" size="4"><A href="index2.jsp" >返回上页</font></A>
</form>
</p>
<p>
</p>
<p>
<%
if(request.getParameter("rowname")!=null)
{
String rowname=request.getParameter("rowname");
String compare=request.getParameter("compare");
String condition=request.getParameter("condition");
%>
<table border="1">
<%
int count=resultmd.getColumnCount();
out.print("<td>图书编号</td>");
out.print("<td>图书名称</td>");
out.print("<td>图书作者</td>");
out.print("<td>图书价格</td>");
out.print("<td>图书数量</td>");
condition = new String(condition.getBytes("ISO-8859-1"), "GBK");
String sql="select * from xinxi_book where "+rowname+ compare+"'"+condition+"'";
ResultSet result1=stmt.executeQuery(sql);
//out.println(sql);
out.println("<br>");
while(result1.next())
{
out.println("<tr>");
out.println("<td>"+result1.getString(1)+"</td>");
out.println("<td>"+result1.getString(2)+"</td>");
out.println("<td>"+result1.getString(3)+"</td>");
out.println("<td>"+result1.getString(4)+"</td>");
out.println("<td>"+result1.getString(5)+"</td>");
out.println("</tr>");
}
%>
</table>
</center>
<%
stmt.close();
con.close();
}
%>
</p>
<body>
<center>
<p>
注：
</p>
<p>
<h3>book_name为书名</h>
</p>
<p>
<h3>book_author为作者</h>
</p>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -