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| JSTL SQL更新 |
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<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jstl/core-rt" prefix="c-rt" %>
<%@ taglib uri="http://java.sun.com/jstl/sql" prefix="sql" %>
<sql:setDataSource var="dataSource" driver="org.gjt.mm.mysql.Driver"
url="jdbc:mysql://localhost/forum?user=forumuser"
scope="session" />
<html>
<head>
<title>General Query</title>
</head>
<body>
<c:choose>
<c:when test="${param.cmd!=null}">
<c:set var="str" value="${param.cmd}" />
</c:when>
<c:otherwise>
<c:set var="str"
value="select * from tableName" />
</c:otherwise>
</c:choose>
Please enter a query:
<br />
<form method="post">
<textarea name="cmd" cols="40" rows="5">
<c:out value="${str}" />
</textarea>
<br />
<input type="submit" />
</form>
<c:if test="${pageContext.request.method=='POST'}">
<c:catch var="e">
<sql:query var="users" dataSource="${dataSource}"
sql="${param.cmd}" />
<table border="1">
<c:forEach var="row" items="${users.rows}"
varStatus="status">
<jsp:useBean id="status"
type="javax.servlet.jsp.jstl.core.LoopTagStatus" />
<c-rt:if test="<%=status.getCount()==1%>">
<tr>
<c:forEach var="col" items="${row}">
<th>
<c:out value="${col.key}" />
</th>
</c:forEach>
</tr>
</c-rt:if>
<tr>
<c:forEach var="col" items="${row}">
<td>
<c:out value="${col.value}" />
</td>
</c:forEach>
</tr>
</c:forEach>
</table>
</c:catch>
<c:if test="${e!=null}">
<h3>Error</h3>
<c:out value="${e}" />
</c:if>
</c:if>
</body>
</html>
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 JSTL-SQL-Update.zip( 6,553 k) |
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