Demo"); }); //根据树ID设置选中节点 function selectNodeByTid(tId){ var currentNode = zTree.getNodeByTId(tId); if(currentNode){ if (currentNode.isParent) { zTree.expandNode(currentNode); } zTree.selectNode(currentNode); } $('.ztree').scrollLeft(0); } Page.onLoad(function(){ var tId = ""; if(tId){ selectNodeByTid(tId); } });