<c:if test="${list.size()!=0}">
<c:forEach var="a" items="${list}">
<tr>
<td style="width:20px">${a.url}</td>
<td style="width:30px">
<input type="text" name="giftMessage" id="${a}.giftMessage" class="input-medium" value="${a.giftMessage}" />
</td>
<td style="width:20px">
<a href="##.do?giftMessage=${a.giftMessage}"></a>
</td>
</tr>
</c:forEach>
</c:if>
怎么样获取每行giftMessage的值,每次href时获取到的giftMessage都为空