标签tree使用
<head>
?? <s:head theme="ajax"/>
</head>
<body>
?? <s:tree label="计算机图书" theme="ajax" id="book" showGrid="true"
??? showRootGrid="true" treeSelectedTopic="tree selected">
??? <s:treenode theme="ajax" label="李刚" id="ligang">
???? <s:treenode theme="ajax" label="Jsp study" id="jsp"></s:treenode>
???? <s:treenode theme="ajax" label="java study" id="java"></s:treenode>
???? <s:treenode theme="ajax" label="php study" id="php"></s:treenode>
??? </s:treenode>
??? <s:treenode theme="ajax" label="张三" id="zhangsan">
???? <s:treenode theme="ajax" label="test study" id="test1"></s:treenode>
???? <s:treenode theme="ajax" label="test study" id="test2"></s:treenode>
???? <s:treenode theme="ajax" label="test study" id="test3"></s:treenode>
??? </s:treenode>
??? <s:treenode theme="ajax" label="李四" id="lisi">
???? <s:treenode theme="ajax" label="Jsp study" id="test4"></s:treenode>
???? <s:treenode theme="ajax" label="java study" id="test5"></s:treenode>
???? <s:treenode theme="ajax" label="php study" id="test6"></s:treenode>
??? </s:treenode>
?? </s:tree>
