Posted in Javascript onJanuary 11, 2011
tree.js
/******************************** 树形组织框架列表 v1.0 2011年1月6日 作者:flycrosscloud ********************************/ //初始化框架 var allImages = { HasNodeClose: "<img src='image/ftv2pnode.gif'/>", //包含子节点,闭合状态(不是最后一个) HasNodeOpen: "<img src='image/ftv2mnode.gif'/>", //包含子节点,打开状态(不是最后一个) LastHasNodeClose: "<img src='image/ftv2plastnode.gif'/>", //包含子节点,闭合状态(最后一个) LastHasNodeOpen: "<img src='image/ftv2mlastnode.gif'/>", //包含子节点,打开状态(最后一个) CommonNode: "<img src='image/ftv2node.gif'/>", //不包含子节点,普通节点(不是最后一个) LastCommonNode: "<img src='image/ftv2lastnode.gif'/>", //不包含子节点,普通节点(最后一个) NodeLine: "<img src='image/ftv2vertline.gif'/>", //节点间连线 NodeClose: "<img src='image/department.gif'/>", //节点关闭状态 NodeOpen: "<img src='image/departmentopen.gif'/>", //节点打开状态 NodeBlank: "<img src='image/ftv2vertlineblank.gif'/>"//空白连线 }; $(function () { $.post("http://localhost/system/asmx/wsTree.asmx/HelloWorld", function (data) { InitTree(data); }); }); function InitTree(org_data) { var org = eval("(" + org_data + ")"); drawtree(org, 1, "", "#nodeTree"); $("#nodeTree img").bind("click", function (event) { $(this).parent().find("ul").toggle(); }); } function drawtree(org, s, pPreLine, ulname) { var orgLength = org.length; var PreLine; var count = s; for (var i = 0; i < orgLength; i++) { var NodeImg = allImages.NodeClose; //项目前图标 var PreNodeLine; //项目图标前连线 //确定项目前图标 if (org[i].ChildUnits != null)//如果包含子节点 { NodeImg = allImages.NodeOpen; } //确定图形前连线 if ((org[i].ChildUnits != null) && (i == orgLength - 1)) { //包含子节点并且是本层最后一个节点 PreNodeLine = allImages.LastHasNodeOpen; } if ((org[i].ChildUnits == null) && (i == orgLength - 1)) { //不包含子节点并且是本层最后一个节点 PreNodeLine = allImages.LastCommonNode; } if ((org[i].ChildUnits != null) && (i != orgLength - 1)) { //包含子节点并且不是本层最后一个节点 PreNodeLine = allImages.HasNodeOpen; } if ((org[i].ChildUnits == null) && (i != orgLength - 1)) { //不包含子节点并且不是本层最后一个节点 PreNodeLine = allImages.CommonNode; } if (i == orgLength - 1) { PreLine = pPreLine + allImages.NodeBlank; } else { PreLine = pPreLine + allImages.NodeLine; } var temp = $("<li>" + pPreLine + PreNodeLine + NodeImg + "<a href='#'>" + org[i].unit_name + "</a></li>"); $(ulname).append(temp); if (org[i].ChildUnits != null) { temp.append("<ul></ul>"); var content = temp.find("ul"); drawtree(org[i].ChildUnits, count + 1, PreLine,content ); } } }
tree.css
li { vertical-align: middle; font-size: 16px; display: block;line-height: 22px;list-style-type: none;height: 22px;padding: 0px; margin:0px; } ul a { height:22px; line-height:22px; color:#123231; text-decoration:none; } ul { list-style-type:none; padding:0px; margin:0px; } img { vertical-align:middle; cursor:pointer; } * { padding:0px; margin:0px; }
test.htm
<html> <head> <link href="tree.css" rel="stylesheet" type="text/css" /> <script src="../js/jquery-1.4.4.min.js" type="text/javascript"></script> <script src="tree.js" type="text/javascript"></script> </head> <body> <ul id="nodeTree"> </ul> </body> </html>
测试数据格式(json)
[{"unit_id":1,"unit_name":"一级","father_unit_id":0,"ChildUnits":[{"unit_id":2,"unit_name":"二级","father_unit_id":1,"ChildUnits":[{"unit_id":3,"unit_name":"三级1","father_unit_id":2,"ChildUnits":[{"unit_id":6,"unit_name":"四级1","father_unit_id":3,"ChildUnits":null},{"unit_id":7,"unit_name":"四级2","father_unit_id":3,"ChildUnits":null}]},{"unit_id":4,"unit_name":"三级2","father_unit_id":2,"ChildUnits":[{"unit_id":8,"unit_name":"四级3","father_unit_id":4,"ChildUnits":null},{"unit_id":9,"unit_name":"四级4","father_unit_id":4,"ChildUnits":null}]},{"unit_id":5,"unit_name":"三级3","father_unit_id":2,"ChildUnits":[{"unit_id":10,"unit_name":"四级5","father_unit_id":5,"ChildUnits":null},{"unit_id":11,"unit_name":"四级6","father_unit_id":5,"ChildUnits":null}]}]},{"unit_id":12,"unit_name":"二级2","father_unit_id":1,"ChildUnits":null}]}]
本人水平有限,这么个东东想了好几天才弄出来个半成品,还有一些问题没有解决,先放上来存着备忘,也望高手指点一二。
思路:
使用嵌套<ul>标签实现,每一级用一个<ul>,有下级节点的用<li>嵌套<ul>,递归实现。刚开始全部都用<li>做成了,可发现要实现隐显实在是太麻烦。
问题:
1、在IE下显示连线有断续,CSS不熟,没搞定,我自己感觉还凑合,就懒得再搞了,呵呵。
2、隐显时前置图片要变换,还没实现,不过我感觉问题不大。
后台代码就不放了,需要的请留言,其实也很简单,就是节点的递归排序麻烦点。
显示效果:
JS无限树状列表实现代码
声明:登载此文出于传递更多信息之目的,并不意味着赞同其观点或证实其描述。
Reply on: @reply_date@
@reply_contents@