js2-----ztree
$(document).ready(function(){$.fn.zTree.init($("#treeDemo"), setting, zNodes);//获取含有.tab的所有table对象var tt = $(".tab");tt.each(function(i,n){ var aId = $("#"+n.id).parent().attr("id"); var liId = aId.split("_span")[0]; //table的高度，用于计算该table紧跟的下个节点的位置。var tabHeight = $("#"+liId).find("table").height();/**var offset = tabHeight - 18 + 6;此偏移量为table的下个节点的位置相对于table的偏移像素*/var offset = tabHeight - 12 ;var nextNodeId = $("#"+liId).next().attr("id");//存在同级的节点情况if(nextNodeId){$("#" + nextNodeId).attr("style","padding-top: " + offset + "px");return;}else{var treeObj = $.fn.zTree.getZTreeObj("treeDemo");var node = treeObj.getNodeByTId("treeDemo_8");var fatherNode = treeObj.getNodeByTId(node.getParentNode().tId);var nextFatherNodeId = fatherNode.getNextNode().tId;$("#" + nextFatherNodeId).attr("style","padding-top: " + offset + "px");}});});?