mysql語句
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中插入數(shù)據(jù)
insert into employee(name,address,sex,age)values('王強(qiáng)','南陽','男','18');
insert into employee(name,address,sex,age)values('張帥','周口','男','20');
insert into employee(name,address,sex,age)values('趙麗','信陽','女','19');
insert into employee(name,address,sex,age)values('李梅','新鄉(xiāng)','女','22');
insert into employee(name,address,sex,age)values('楊廣','鄭州','男','21');
insert into employee(name,address,sex,age)values('柳煙','洛陽','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>選擇查詢條件:</td>
<td><select name="tiaojian" width=80>
<option value="name">姓 名</option>
<option value="sex">性 別</option>
<option value="age">年 齡</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>年齡</td><td>性別</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);換數(shù)據(jù)庫僅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();//要關(guān)數(shù)據(jù)庫,否則會(huì)使數(shù)據(jù)庫崩潰
}catch(Exception e){e.printStackTrace();}
%>
</table>
</center>
</body>
</html>
posted on 2009-04-13 11:52
鵬凌 閱讀(101)
評(píng)論(0) 編輯 收藏