deletebook.jsp

JavaWeb标签应用开发（随书光盘）为方便读者阅读本书和调试程序

<%@ page contentType="text/html;charset=GB2312" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql" %>
<%@ page isELIgnored="false"%>
<c:if test="${empty param.book_id}">
	<c:redirect url="modibook.jsp"/>
</c:if>
<!------设置数据源------>
<sql:setDataSource dataSource="jdbc/sqlserver" var="sqlDS"/>
<!-------构造作更新操作的SQL语句-------->
<c:set var="deleteSQL" value="delete from book 
	where book_id=${param.book_id}"/>
<!------作数据库操作------>
<sql:update sql="${deleteSQL}" dataSource="${sqlDS}"/>
<c:redirect url="modibook.jsp"/>