📄 queryparam.jsp
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<%@ taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>JSTL: SQL action examples</title>
</head>
<body bgcolor="#FFFFFF">
<% request.setAttribute("newName", new String("Paul van Dyk")); %>
<h1>SQL Query Execution using parameters</h1>
<p>Using parameter marker's to insert values in the SQL statements</p>
<!-- NOTE: the sql:setDataSource tag is for prototyping and simple applications. You should really use a DataSource object instead --!>
<sql:setDataSource
var="example"
driver="${sessionScope.myDbDriver}"
url="${sessionScope.myDbUrl}"
user="${sessionScope.myDbUserName}"
password="${sessionScope.myDbPassword}"
/>
<sql:transaction dataSource="${example}">
<sql:update var="newTable">
create table mytable (
nameid int primary key,
name varchar(80)
)
</sql:update>
<sql:update var="updateCount">
INSERT INTO mytable VALUES (1,'Paul Oakenfold')
</sql:update>
<sql:update var="updateCount">
INSERT INTO mytable VALUES (?,'Timo Maas')
<sql:param value="2"/>
</sql:update>
<sql:update var="updateCount">
INSERT INTO mytable VALUES (?,?)
<sql:param value="3"/>
<sql:param value="${newName}"/>
</sql:update>
<sql:query var="deejay">
SELECT * FROM mytable
</sql:query>
</sql:transaction>
<table border="1">
<c:forEach var="row" items="${deejay.rows}">
<tr>
<td><c:out value="${row.NAMEID}"/></td>
<td><c:out value="${row.NAME}"/></td>
</tr>
</c:forEach>
</table>
<sql:update var="newTable" dataSource="${example}">
drop table mytable
</sql:update>
</body>
</html>
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