ztree選父不選子選子不選父

var setting = {
            data: {
                simpleData: {
                    enable: true
                }
            }
            ,check: {
                enable: true
                , chkStyle: 'checkbox'
                //,chkboxType:{ "Y": "", "N": "" }
            }
            ,callback:{
                onCheck:function(e,treeId, treeNode){
                    if(treeId == "treeDemo") {
                        var zTreeObj = $.fn.zTree.getZTreeObj(treeId);
                        optParOrSon(treeId, treeNode,zTreeObj);
                    }
                }
            }
        };

//獲取所有子節點
	    var getChildsByTreeNode = function(treeNode,childsArr){
	    	var childsArr = childsArr || [];
	    	if (treeNode.isParent) {//是父節點則獲取所有子節點
	    		var childs = treeNode.children;
	    		for(var i in childs){
		        	childsArr.push(childs[i]);
		        	getChildsByTreeNode(childs[i],childsArr);
	        	}
	    	}
	    	return childsArr;
	    };
	    
	    //獲取所有父節點
	    var getParsByTreeNode = function(treeNode,parsArr){
	    	var parsArr = parsArr || [];
	    	var parNode = treeNode.getParentNode();
	    	if(parNode){
	    		parsArr.push(parNode);
	    		getParsByTreeNode(parNode,parsArr);
	    	}
	    	return parsArr;
	    }

/**
         * 選父不選子，選子不選父
         * */
        var optParOrSon = function(treeId,treeNode,zTreeObj){
            if(treeNode.checked){
                //取消全部後代節點的選中
                var childNodes = getChildsByTreeNode(treeNode);
                for(var i in childNodes){
                    zTreeObj.checkNode(childNodes[i], false, false);
                }
                //同時全部祖先節點也不能被選中
                if(treeNode.getParentNode()){
                    var parNodes = getParsByTreeNode(treeNode);
                    for(var i in parNodes){
                        zTreeObj.checkNode(parNodes[i], false, false);
                    }
                }
            }
        };

//展開選中節點
var expandCheckedNode = function(){
   //獲取所有選中狀態的節點
   var checkedNodes = zTreeObj.getCheckedNodes(true);
   for(var i in checkedNodes){
       var checkedParAll = getParsAll(checkedNodes[i]);
      for(var j in checkedParAll){
          zTreeObj.expandNode(checkedParAll[j],true,false);
      }
   }
};