server.xml
<Context docBase="2014" path="/2014" reloadable="true" source="org.eclipse.jst.jee.server:2014">
<Resource name="jdbc/pxxy"
auth="Container" type="javax.sql.DataSource"
maxActive="100" maxIdle="6" maxWait="8000"
removeAbandoned="true"
removeAbandonedTimeout="180"
username="root"
password="oywl"
driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/pxxy">
</Resource>
jsp
<%@ page contentType="text/html" pageEncoding="GBK"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql" %>
<html>
<head><title>JSTL中数据库操作标签</title></head>
<body>
<sql:setDataSource dataSource="jdbc/pxxy" var="pxxyds"/>
<sql:query var="result" dataSource="${pxxyds}">
SELECT empno,ename,job,hiredate,sal FROM emp ;
</sql:query>
<h3>一共有${result.rowCount}条记录！</h3>
<table border="1" width="100%">
<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>
<c:forEach items="${result.rows}" var="row">
<tr>
<td>${row.empno}</td>
<td>${row.ename}</td>
<td>${row.job}</td>
<td>${row.sal}</td>
<td>${row.hiredate}</td>
</tr>
</c:forEach>
</body>
</html>
SQL
/*======================= 删除数据库 =======================*/ DROP DATABASE IF EXISTS pxxy ; /*======================= 创建数据库 =======================*/ CREATE DATABASE pxxy ; /*======================= 使用数据库 =======================*/ USE pxxy ; /*======================= 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,'李小军','经理','2001-09-16',12000.30) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7369,'董鸣楠','销售','2003-10-09',6500.90) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (8964,'李祺','分析员','2013-10-01',3000) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7698,'张惠','销售','2009-03-12',2800) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7782,'杨军','分析员','2005-01-12',5500) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7762,'刘明','销售','2008-03-09',4000) ; INSERT INTO emp (empno,ename,job,hiredate,sal) VALUES (7839,'王月','经理','2006-09-01',8500) ;