示例:
後臺代碼:
1.Controller
@RequestMapping("/tree")
public ModelAndView tree(){
ModelAndView view = new ModelAndView("expert/lib");
String treeData = expertLibSrv.getExpertLibTree(0);
view.addObject("treeData",treeData);
return view;
}
2.Service
public String getExpertLibTree(Integer rootId){
JSONArray treeData = new JSONArray();
ExpertLib lib = expertLibDao.getById(rootId);
if(lib != null){
List<ExpertLib> list = getAllChildren(lib);
if(list.size() > 0){
for(ExpertLib node : list){
String str = "{id:" + node.getId() + ",pId:"
+ node.getParent().getId() + ",name:'" + node.getName()
+ "',open:false";
str += "}";
treeData.add(str);
}
}
}
return treeData.toString();
}
3.Jsp頁面
<div class="easyui-panel" title="專家庫" >
<div id="lib-tree" class="ztree" ></div>
</div>
<script type="text/javascript">
<!--
var treeData;
if('${treeData}'.length > 0){
treeData = ${treeData};
}
else{
treeData = [];
}
var treeSetting = {
data: {
simpleData: {
enable: true
}
},
callback: {
onClick: onNodeClick
}
};
var libTree = $.fn.zTree.init($("#lib-tree"), treeSetting, treeData);
function onNodeClick(){
$('.hide-btn').show();
}
</script>