//c:forEach 遍歷兩列
<c:forEach items="${bookList}" varStatus="status" step="2">
<tr><td>${bookList[status.index].id}</td>
<td>${bookList[status.index+1].id}</td>
</tr>
< /c:forEach>
http://blog.csdn.net/shaoduo/article/details/72208841
//c:forEach 遍歷兩列
<c:forEach items="${bookList}" varStatus="status" step="2">
<tr>< /c:forEach>
http://blog.csdn.net/shaoduo/article/details/72208841
## spring security https://github.com/jitwxs/blog-sample/tree/master
https://blog.csdn.net/zhuizhufanxin123/article/details/103982940