mysql语句
create database oa;
use oa;
create table employee(
id int primary key auto_increment,
name varchar(60),
address varchar(60),
sex varchar(2),
age int
);
往mysql中插入数据
insert into employee(name,address,sex,age)values('王强','南阳','男','18');
insert into employee(name,address,sex,age)values('张帅','周口','男','20');
insert into employee(name,address,sex,age)values('赵丽','信阳','女','19');
insert into employee(name,address,sex,age)values('李梅','新乡','女','22');
insert into employee(name,address,sex,age)values('杨广','郑州','男','21');
insert into employee(name,address,sex,age)values('柳烟','洛阳','女','20');
find.jsp
<%@ page contentType="text/html;charset=gbk" import="java.sql.*"%>
<html>
<body>
<center>
<Br>
<form action="" method="post" name="form1">
<table width="500">
<tr>
<td>选择查询条件:</td>
<td><select name="tiaojian" width=80>
<option value="name">姓 名</option>
<option value="sex">性 别</option>
<option value="age">年 龄</option>
<option value="address">地址</option>
</selct></td>
<td><input type="text" name="result"></td>
<td> <input type="submit" value=" 提 交 "></td>
</tr>
</table>
</form>
<table border=1 width="800">
<tr>
<td>姓名</td><td>年龄</td><td>性别</td><td>地址</td>
</tr>
<%
Connection con = null;
Statement stmt= null;
ResultSet rs = null;
String sql ="";
sql="select * from employee";
String tiaojian = request.getParameter("tiaojian");
String result = request.getParameter("result");
if(tiaojian!=null&&result!=null){
result = new String(result.getBytes("iso-8859-1"),"gbk");
sql ="select * from employee where "+tiaojian+"='"+
result+"'";
}
//out.print(sql);换数据库仅class--rs不同
try{
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/oa","root","yu");
stmt = con.createStatement();
rs = stmt.executeQuery(sql);
while(rs.next()){
%>
<tr>
<td><%=rs.getString("name")%></td>
<td><%=rs.getString("age")%></td>
<td><%=rs.getString("sex")%></td>
<td><%=rs.getString("address")%></td>
</tr>
<%
}
con.close();//要关数据库,否则会使数据库崩溃
}catch(Exception e){e.printStackTrace();}
%>
</table>
</center>
</body>
</html>
posted on 2009-04-13 11:52
鹏凌 阅读(75)
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