jquery如何获取树勾选的所有子节点

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趣事情
2016-01-06 · 知道合伙人互联网行家

趣事情
知道合伙人互联网行家

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta name="generator" content="HTML Tidy, see www.w3.org">
<meta http-equiv="Content-Type" content= "text/html; charset=UTF-8">
<title>jQuery EasyUI</title>
<link rel="stylesheet" type="text/css" href= "../themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href= "../themes/icon.css">
<script type="text/javascript" src="../jquery-1.4.4.min.js">
</script>
<script type="text/javascript" src="../jquery.easyui.min.js">
</script>
<script type="text/javascript">
$(function(){
$('#tt2').tree({
checkbox: true,
url: 'tree_data.json',
onClick: function(node){
$(this).tree('toggle', node.target);
//alert('you dbclick '+node.text);
},
onContextMenu: function(e, node){
e.preventDefault();
$('#tt2').tree('select', node.target);
$('#mm').menu('show', {
left: e.pageX,
top: e.pageY
});
}
});
});
function reload(){
var node = $('#tt2').tree('getSelected');
if (node) {
$('#tt2').tree('reload', node.target);
}
else {
$('#tt2').tree('reload');
}
}

function getChildren(){
var node = $('#tt2').tree('getSelected');
if (node) {
var children = $('#tt2').tree('getChildren', node.target);
}
else {
var children = $('#tt2').tree('getChildren');
}
var s = '';
for (var i = 0; i < children.length; i++) {
s += children[i].text + ',';
}
alert(s);
}

function getChecked(){
var nodes = $('#tt2').tree('getChecked');
var s = '';
for (var i = 0; i < nodes.length; i++) {
if (s != '')
s += ',';
s += nodes[i].text;
}
alert(s);
}

function getSelected(){
var node = $('#tt2').tree('getSelected');
alert(node.text);
}

function collapse(){
var node = $('#tt2').tree('getSelected');
$('#tt2').tree('collapse', node.target);
}

function expand(){
var node = $('#tt2').tree('getSelected');
$('#tt2').tree('expand', node.target);
}

function collapseAll(){
var node = $('#tt2').tree('getSelected');
if (node) {
$('#tt2').tree('collapseAll', node.target);
}
else {
$('#tt2').tree('collapseAll');
}
}

function expandAll(){
var node = $('#tt2').tree('getSelected');
if (node) {
$('#tt2').tree('expandAll', node.target);
}
else {
$('#tt2').tree('expandAll');
}
}

function append(){
var node = $('#tt2').tree('getSelected');
$('#tt2').tree('append', {
parent: (node ? node.target : null),
data: [{
text: 'new1',
checked: true
}, {
text: 'new2',
state: 'closed',
children: [{
text: 'subnew1'
}, {
text: 'subnew2'
}]
}]
});
}

function remove(){
var node = $('#tt2').tree('getSelected');
$('#tt2').tree('remove', node.target);
}

function update(){
var node = $('#tt2').tree('getSelected');
if (node) {
node.text = '<span style="font-weight:bold">new text<\/span>';
node.iconCls = 'icon-save';
$('#tt2').tree('update', node);
}
}

function isLeaf(){
var node = $('#tt2').tree('getSelected');
var b = $('#tt2').tree('isLeaf', node.target);
alert(b)
}

function GetNode(type){
var node = $('#tt2').tree('getChecked');
var chilenodes = '';
var parantsnodes = '';
var prevNode = '';
for (var i = 0; i < node.length; i++) {

if ($('#tt2').tree('isLeaf', node[i].target)) {
chilenodes += node[i].text + ',';

var pnode = $('#tt2').tree('getParent', node[i].target);
if (prevNode != pnode.text) {
parantsnodes += pnode.text + ',';
prevNode = pnode.text;
}
}
}
chilenodes = chilenodes.substring(0, chilenodes.length - 1);
parantsnodes = parantsnodes.substring(0, parantsnodes.length - 1);

if (type == 'child') {
return chilenodes;
}
else {
return parantsnodes
};
};
function getNodes(){
alert(GetNode('fnode') + "," + GetNode('child'));
}

function doNode(){
var c="";
var p="";
$(".tree-checkbox1").parent().children('.tree-title').each(function(){
c+=$(this).parent().attr('node-id')+",";
});
$(".tree-checkbox2").parent().children('.tree-title').each(function(){
p+=$(this).parent().attr('node-id')+",";
});
var str=(c+p);
str=str.substring(0,str.length-1);
alert(str);
}

</script>
</head>
<body>
<h1>Tree</h1>
<p>
Create from HTML markup
</p>
<ul id="tt1" class="easyui-tree" animate="true" dnd="true">
<li>
<span>Folder</span>
<ul>
<li state="closed">
<span>Sub Folder 1</span>
<ul>
<li>
<span><a href="#">File
11</a></span>
</li>
<li>
<span>File 12</span>
</li>
<li>
<span>File 13</span>
</li>
</ul>
</li>
<li>
<span>File 2</span>
</li>
<li>
<span>File 3</span>
</li>
<li>
File 4
</li>
<li>
File 5
</li>
</ul>
</li>
<li>
<span>File21</span>
</li>
</ul>
<hr>
<p>
Create from JSON data
</p>
<div style="margin:10px;">
<a href="#" onclick="reload()">reload</a>
<a href="#" onclick="getChildren()">getChildren</a>
<a href="#" onclick="getChecked()">getChecked</a>
<a href="#" onclick="getSelected()">getSelected</a>
<a href="#" onclick="collapse()">collapse</a>
<a href="#" onclick="expand()">expand</a>
<a href="#" onclick="collapseAll()">collapseAll</a>
<a href="#" onclick="expandAll()">expandAll</a>
<a href="#" onclick="append()">append</a>
<a href="#" onclick="remove()">remove</a>
<a href="#" onclick="update()">update</a>
<a href="#" onclick="isLeaf()">isLeaf</a>
<a href="#" onclick="getNodes()">getNodes</a>
<a href="#" onclick="doNode()">获取所有checkbox选中节点id</a>
</div>
<ul id="tt2">
</ul>
<div id="mm" class="easyui-menu" style="width:120px;">
<div onclick="append()" iconcls="icon-add">
Append
</div>
<div onclick="remove()" iconcls="icon-remove">
Remove
</div>
<div onclick="expand()">
Expand
</div>
<div onclick="collapse()">
Collapse
</div>
</div>
</body>
</html>

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静康声学2v
2016-01-06 · 超过16用户采纳过TA的回答

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你的树是怎么样的啊

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