ztree选父不选子选子不选父

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);

                    }

                }

            }

        };

//获取所有子节点

	    var getChildsByTreeNode = function(treeNode,childsArr){

	    	var childsArr = childsArr || [];

	    	if (treeNode.isParent) {//是父节点则获取所有子节点

	    		var childs = treeNode.children;

	    		for(var i in childs){

		        	childsArr.push(childs[i]);

		        	getChildsByTreeNode(childs[i],childsArr);

	        	}

	    	}

	    	return childsArr;

	    };

	    //获取所有父节点

	    var getParsByTreeNode = function(treeNode,parsArr){

	    	var parsArr = parsArr || [];

	    	var parNode = treeNode.getParentNode();

	    	if(parNode){

	    		parsArr.push(parNode);

	    		getParsByTreeNode(parNode,parsArr);

	    	}

	    	return parsArr;

	    }

/**

         * 选父不选子，选子不选父

         * */

        var optParOrSon = function(treeId,treeNode,zTreeObj){

            if(treeNode.checked){

                //取消全部后代节点的选中

                var childNodes = getChildsByTreeNode(treeNode);

                for(var i in childNodes){

                    zTreeObj.checkNode(childNodes[i], false, false);

                }

                //同时全部祖先节点也不能被选中

                if(treeNode.getParentNode()){

                    var parNodes = getParsByTreeNode(treeNode);

                    for(var i in parNodes){

                        zTreeObj.checkNode(parNodes[i], false, false);

                    }

                }

            }

        };

//展开选中节点
var expandCheckedNode = function(){
//获取所有选中状态的节点
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);
}
}
};