ztree 树

页面代码：

js代码：

$(function(){
var t = new Date().getTime();
$.getJSON("${ctx}/goods/cat/ajaxAllGoodsCatList.html",{t:t},function(data){
$.fn.zTree.init($("#treeDemo"), setting, data);
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
var nodes = zTree.getSelectedNodes();
if (nodes.length>0) {
zTree.expandNode(nodes[0], true, false, true);
}
var nodes = zTree.transformToArray(zTree.getNodes());
for(var i =0;i<nodes.length;i++){
if(nodes[i].pubFlag == 0){
nodes[i].icon = "${ctx}/css/zTreeStyle/img/icongreen.png";
zTree.updateNode(nodes[i]);
}
}
});
});

function beforeDrag(treeId, treeNodes) {
           for ( var i = 0, l = treeNodes.length; i < l; i++) {
               dragId = treeNodes[i].pid;
               if (treeNodes[i].drag === false) {
                   return false;
               }
           }
           return true;

}

                   $("#deptSubBtn").removeAttr("disabled");
$("#deptEditDiv").css({visibility:"visible"});
$("#deptRollBackBtn").hide();
if(!isShow){
$("#deptEditDiv .member_mainnav").css("position","relative").css("left","100px").css("opacity",0);
$("#deptEditDiv .member_mainnav").animate({left:'0',opacity:1},"fast");
isShow = true;
}
               }
           }
   );
       return false;
   });
};

// 鼠标移出树节点事件。
function removeHoverDom(treeId, treeNode) {
$("#addBtn_"+treeNode.id).unbind().remove();
};

// 点击删除图标时的事件处理。
function beforeRemove(treeId, treeNode){
   if(treeNode.id == "-1"){
       alert("不能删除顶级菜单");
       return false;
   }
   var zTree = $.fn.zTree.getZTreeObj("treeDemo");
zTree.selectNode(treeNode);
if(confirm("确定要删除类目\"" + treeNode.name + "\"吗？如果该类目下有商品，该类目下的所有商品将会下架。")){
   $.ajax({
       type: "post",
       url: "${ctx}/goods/cat/removeGoodsCatById.html",
       data: {id:treeNode.id},
       dataType: "text",
       success: function(data){
           if(data == "idnull"){
               alert("类目ID不能为空！");
               return false;
           }else if(data == "goodsnull"){
               alert("要删除的类目不存在！");
               return false;
           }else if(data == "subgoods"){
               alert("该类目下有子类目,请先删除子类目！");
               return false;
           }else if(data == "success"){
               alert("类目删除成功");
               zTree.removeNode(treeNode);
$("#deptEditDiv").css({visibility:"hidden"});
           }
       }
   });
}
return false;
}

function beforeEditName(treeId, treeNode){
   if(treeNode.id == "-1"){
       alert("不能修改顶级菜单");
       return false;
   }
loadEditCatForm(treeNode);
   return false;
}

</script >

后台代码：

public String ajaxAllGoodsCatList(){
// 要返回的结果。
List<Map<String, Object>> resList = new ArrayList<Map<String, Object>>();

Map<String, Object> root = null;
root = new HashMap<String, Object>();
root.put("id", "-1");
root.put("name", "商品类目根目录");
root.put("open", true);
root.put("isParent", true);
root.put("nocheck", true);
resList.add(root);

GoodsCatQuery goodsCatQuery = new GoodsCatQuery();
goodsCatQuery.setDelFlag(0);
//goodsCatQuery.setParentId("-1");
goodsCatQuery.setSortColumns(" CAT_ORDER ASC");
List<GoodsCat> goodsCatList = baseService.find(SERVICE, goodsCatQuery);
if(goodsCatList != null && goodsCatList.size() != 0){
Map<String, Object> temp = null;
for(GoodsCat goodsCat : goodsCatList){
temp = new HashMap<String, Object>();
temp.put("id", goodsCat.getId());
temp.put("name", goodsCat.getName());
temp.put("catCode", goodsCat.getCatCode());
temp.put("catLevel", goodsCat.getCatLevel());
temp.put("catOrder", goodsCat.getCatOrder());
temp.put("catShow", goodsCat.getCatShow());
temp.put("pubFlag", goodsCat.getPubFlag());
temp.put("pId", goodsCat.getParentId());
//temp.put("isParent", true);
resList.add(temp);
}
}
//root.put("children", resList);
return writeAjaxResponse(JSONObject.toJSONString(resList));
}

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