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);
        }
    }
};