?? sql_update.jsp
字號:
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql" %>
<%@ page contentType="text/html;charset=gb2312" %>
<sql:setDataSource dataSource="jdbc/testSQL" var="myDataSource" />
<sql:update dataSource="${myDataSource}" var="myCreate">
if object_id('student') is not null
drop table student
create table student(
id int identity primary key,
name varchar(10) not null,
address varchar(80)
)
</sql:update>
創建student表成功!<br />
<sql:update dataSource="${myDataSource}" var="myUpdate1">
insert into student values('wangwu','Beijing')
insert into student values('nation','Shanghai')
</sql:update>
向student表中添加記錄數:${myUpdate1}<br />
<sql:update dataSource="${myDataSource}" var="myUpdate2">
update student set address=? where name='wangwu'
<sql:param value="${param.addr}" />
</sql:update>
更新記錄的行數為:${myUpdate2}<br />
顯示student表中的內容:
<sql:query var="student" dataSource="${myDataSource}" >
select * from student
</sql:query>
<div style="text-align:center"><table border="1">
<tr><td>name</td><td>address</td></tr>
<c:forEach var="row" items="${student.rows}">
<tr><td>${row.name}</td><td>${row.address}</td></tr>
</c:forEach>
</table></div>
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