下载mysql-connector-java-5.1.26-bin.jar驱动程序。
复制粘贴到目录下。web-inf/lib下
数据库：
--删除数据库 DROP DATABASE IF EXISTS mldn ; --创建数据库 CREATE DATABASE mldn CHARACTER SET UTF8 ; --使用数据库 USE mldn ; --删除数据表 DROP TABLE IF EXISTS emp ; --创建数据表 CREATE TABLE emp( empno INT(4) PRIMARY KEY, ename VARCHAR(10), job VARCHAR(9), hiredate DATE, sal FLOAT(7,2) ) ; --插入测试数据 INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (6060,‘李‘,‘经理‘,‘2001-09-16‘,2000.30) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7369,‘楠‘,‘销售‘,‘2003-10-09‘,1500.90) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (8964,‘祺‘,‘分析员‘,‘2003-10-01‘,3000) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7698,‘惠‘,‘销售‘,‘2005-03-12‘,800) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7782,‘军‘,‘分析员‘,‘2005-01-12‘,2500) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7762,‘明‘,‘销售‘,‘2005-03-09‘,1000) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7839,‘月‘,‘经理‘,‘2006-09-01‘,2500) ;
jsp页面
<%@ page contentType="text/html" pageEncoding="GBK"%>
<%@ page import="java.sql.*"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><title>www.mldnjava.cn，MLDN高端Java培训</title></head>
<body>
<%!
public static final String DBDRIVER = "com.mysql.jdbc.Driver" ;
public static final String DBURL = "jdbc:mysql://localhost:3306/mldn" ;
public static final String DBUSER = "root" ;
public static final String DBPASS = "lcp8090" ;
%>
<%
Connection conn = null ;
PreparedStatement pstmt = null ;
ResultSet rs = null ;
%>
<%
try{
Class.forName(DBDRIVER) ;
conn = DriverManager.getConnection(DBURL,DBUSER,DBPASS) ;
String sql = "SELECT empno,ename,job,sal,hiredate FROM emp" ;
pstmt = conn.prepareStatement(sql) ;
rs = pstmt.executeQuery() ;
%>
<center>
<table border="1" width="80%">
<tr>
<td>雇员编号</td>
<td>雇员姓名</td>
<td>雇员工作</td>
<td>雇员工资</td>
<td>雇佣日期</td>
</tr>
<%
while(rs.next()){
int empno = rs.getInt(1) ;
String ename = rs.getString(2) ;
String job = rs.getString(3) ;
float sal = rs.getFloat(4) ;
java.util.Date date = rs.getDate(5) ;
%>
<tr>
<td><%=empno%></td>
<td><%=ename%></td>
<td><%=job%></td>
<td><%=sal%></td>
<td><%=date%></td>
</tr>
<%
}
%>
</table>
</center>
<%
}catch(Exception e) {
System.out.println(e) ;
}finally{
rs.close() ;
pstmt.close() ;
conn.close() ; // 如果直接关闭连接也可以
}
%>
</body>
</html>
时间： 2024-10-11 21:54:40