var zTree = $.fn.zTree.init($("#treeDemo"), setting, zNodes);var setting = { check: { enable: true, chkStyle: "checkbox", chkboxType: { "Y": "ps", "N": "s" } }, data: { simpleData: { enable: true } }, view: { showIcon: false }, callback: { onClick: function zTreeOnClick(event, treeId, treeNode) { var checkedFlag = treeNode.checked; if (checkedFlag) { // 如果已经选中,则取消选中状态 setChildrenCheckedState(treeNode, false); } else { // 如果没有选中,则设置为选中状态 setChildrenCheckedState(treeNode, true); } } }};//设置选中的节点treeNode下所有的子节点的选中状态function setChildrenCheckedState(treeNode, flag) { // 设置被点击的节点选中状态 treeNode.checked = flag; // 需要更新才能正确显示更新后的状态 zTree.updateNode(treeNode); if (treeNode.isParent) { for (var obj in treeNode.children) { treeNode.children[obj].checked = flag; zTree.updateNode(treeNode.children[obj]); } }}