Js树型控件Dtree使用

浏览数：40 / 时间：2015年06月09日

dtree地址：http://destroydrop.com/javascripts/tree/

Key features

Unlimited number of levels 无限级
Can be used with or without frames
Remembers the state of the tree between pages
Possible to have as many trees as you like on a page
All major browsers suported
- Internet Explorer 5+
- Netscape 6+
- Opera 7+
- Mozilla
Generates XHTML 1.0 strict validated output
Alternative images for each node

Dtree的源码非常短，可以分析下。

http://destroydrop.com/javascripts/tree/api/

add()

Adds a node to the tree.
Can only be called before the tree is drawn.

id, pid and name are required.

Parameters

Name	Type	Description
id	Number	Unique identity number.
pid	Number	Number refering to the parent node. The value for the root node has to be -1.
name	String	Text label for the node.
url	String	Url for the node.
title	String	Title for the node.
target	String	Target for the node.
icon	String	Image file to use as the icon. Uses default if not specified.
iconOpen	String	Image file to use as the open icon. Uses default if not specified.
open	Boolean	Is the node open.

Example

mytree.add(1, 0, ‘My node‘, ‘node.html‘, ‘node title‘, ‘mainframe‘, ‘img/musicfolder.gif‘);

<head>
    <title>Destroydrop &raquo; Javascripts &raquo; Tree</title>

    <link rel="StyleSheet" href="dtree.css" type="text/css" />
    <script type="text/javascript" src="dtree.js"></script>

</head>

<body>

<h1><a href="/">Destroydrop</a> &raquo; <a href="/javascripts/">Javascripts</a> &raquo; <a href="/javascripts/tree/">Tree</a></h1>

<h2>Example</h2>

<div class="dtree">

    <p><a href="javascript: d.openAll();">open all</a> | <a href="javascript: d.closeAll();">close all</a></p>

    <script type="text/javascript">
        <!--

        d = new dTree(‘d‘);

        d.add(0,-1,‘My example tree‘);
        d.add(1,0,‘Node 1‘,‘example01.html‘);
        d.add(2,0,‘Node 2‘,‘example01.html‘);
        d.add(3,1,‘Node 1.1‘,‘example01.html‘);
        d.add(4,0,‘Node 3‘,‘example01.html‘);
        d.add(5,3,‘Node 1.1.1‘,‘example01.html‘);
        d.add(6,5,‘Node 1.1.1.1‘,‘example01.html‘);
        d.add(7,0,‘Node 4‘,‘example01.html‘);
        d.add(8,1,‘Node 1.2‘,‘example01.html‘);
        d.add(9,0,‘My Pictures‘,‘example01.html‘,‘Pictures I\‘ve taken over the years‘,‘‘,‘‘,‘img/imgfolder.gif‘);
        d.add(10,9,‘The trip to Iceland‘,‘example01.html‘,‘Pictures of Gullfoss and Geysir‘);
        d.add(11,9,‘Mom\‘s birthday‘,‘example01.html‘);
        d.add(12,0,‘Recycle Bin‘,‘example01.html‘,‘‘,‘‘,‘img/trash.gif‘);

        document.write(d);

        //-->
    </script>

</div>