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分享写了一个html树形结构但是怎么才可以让他打开html页面的时候显示的是只有两个节点
代码贴出来了
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquery实现多级树形分类可折叠菜单特效代码</title>
<!--图标样式-->
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css" />
<!--主要样式-->
<link rel="stylesheet" type="text/css" href="css/style.css" />
</head>
<body>
<div class="tree well">
<ul>
<li>
<span><i class="icon-folder-open"></i> Parent</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-minus-sign"></i> Child</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-leaf"></i> Grand Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
<li>
<span><i class="icon-minus-sign"></i> Child</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-leaf"></i> Grand Child</span> <a href="">Goes somewhere</a>
</li>
<li>
<span><i class="icon-minus-sign"></i> Grand Child</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-minus-sign"></i> Great Grand Child</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-leaf"></i> Great great Grand Child</span> <a href="">Goes somewhere</a>
</li>
<li>
<span><i class="icon-leaf"></i> Great great Grand Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
<li>
<span><i class="icon-leaf"></i> Great Grand Child</span> <a href="">Goes somewhere</a>
</li>
<li>
<span><i class="icon-leaf"></i> Great Grand Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
<li>
<span><i class="icon-leaf"></i> Grand Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<span><i class="icon-folder-open"></i> Parent2</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-leaf"></i> Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
</ul>
</div>
<div class="tree">
<ul>
<li>
<span><i class="icon-calendar"></i> 2013, Week 2</span>
<ul>
<li>
<span class="badge badge-success"><i class="icon-minus-sign"></i> Monday, January 7: 8.00 hours</span>
<ul>
<li>
<a href=""><span><i class="icon-time"></i> 8.00</span> – Changed CSS to accomodate...</a>
</li>
</ul>
</li>
<li>
<span class="badge badge-success"><i class="icon-minus-sign"></i> Tuesday, January 8: 8.00 hours</span>
<ul>
<li>
<span><i class="icon-time"></i> 6.00</span> – <a href="">Altered code...</a>
</li>
<li>
<span><i class="icon-time"></i> 2.00</span> – <a href="">Simplified our approach to...</a>
</li>
</ul>
</li>
<li>
<span class="badge badge-warning"><i class="icon-minus-sign"></i> Wednesday, January 9: 6.00 hours</span>
<ul>
<li>
<a href=""><span><i class="icon-time"></i> 3.00</span> – Fixed bug caused by...</a>
</li>
<li>
<a href=""><span><i class="icon-time"></i> 3.00</span> – Comitting latest code to Git...</a>
</li>
</ul>
</li>
<li>
<span class="badge badge-important"><i class="icon-minus-sign"></i> Wednesday, January 9: 4.00 hours</span>
<ul>
<li>
<a href=""><span><i class="icon-time"></i> 2.00</span> – Create component that...</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<span><i class="icon-calendar"></i> 2013, Week 3</span>
<ul>
<li>
<span class="badge badge-success"><i class="icon-minus-sign"></i> Monday, January 14: 8.00 hours</span>
<ul>
<li>
<span><i class="icon-time"></i> 7.75</span> – <a href="">Writing documentation...</a>
</li>
<li>
我向往出来就是一个树根 树枝什么的都不打开
<span><i class="icon-time"></i> 0.25</span> – <a href="">Reverting code back to...</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</body>
</html>
打开是这样的
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquery实现多级树形分类可折叠菜单特效代码</title>
<!--图标样式-->
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css" />
<!--主要样式-->
<link rel="stylesheet" type="text/css" href="css/style.css" />
</head>
<body>
<div class="tree well">
<ul>
<li>
<span><i class="icon-folder-open"></i> Parent</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-minus-sign"></i> Child</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-leaf"></i> Grand Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
<li>
<span><i class="icon-minus-sign"></i> Child</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-leaf"></i> Grand Child</span> <a href="">Goes somewhere</a>
</li>
<li>
<span><i class="icon-minus-sign"></i> Grand Child</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-minus-sign"></i> Great Grand Child</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-leaf"></i> Great great Grand Child</span> <a href="">Goes somewhere</a>
</li>
<li>
<span><i class="icon-leaf"></i> Great great Grand Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
<li>
<span><i class="icon-leaf"></i> Great Grand Child</span> <a href="">Goes somewhere</a>
</li>
<li>
<span><i class="icon-leaf"></i> Great Grand Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
<li>
<span><i class="icon-leaf"></i> Grand Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<span><i class="icon-folder-open"></i> Parent2</span> <a href="">Goes somewhere</a>
<ul>
<li>
<span><i class="icon-leaf"></i> Child</span> <a href="">Goes somewhere</a>
</li>
</ul>
</li>
</ul>
</div>
<div class="tree">
<ul>
<li>
<span><i class="icon-calendar"></i> 2013, Week 2</span>
<ul>
<li>
<span class="badge badge-success"><i class="icon-minus-sign"></i> Monday, January 7: 8.00 hours</span>
<ul>
<li>
<a href=""><span><i class="icon-time"></i> 8.00</span> – Changed CSS to accomodate...</a>
</li>
</ul>
</li>
<li>
<span class="badge badge-success"><i class="icon-minus-sign"></i> Tuesday, January 8: 8.00 hours</span>
<ul>
<li>
<span><i class="icon-time"></i> 6.00</span> – <a href="">Altered code...</a>
</li>
<li>
<span><i class="icon-time"></i> 2.00</span> – <a href="">Simplified our approach to...</a>
</li>
</ul>
</li>
<li>
<span class="badge badge-warning"><i class="icon-minus-sign"></i> Wednesday, January 9: 6.00 hours</span>
<ul>
<li>
<a href=""><span><i class="icon-time"></i> 3.00</span> – Fixed bug caused by...</a>
</li>
<li>
<a href=""><span><i class="icon-time"></i> 3.00</span> – Comitting latest code to Git...</a>
</li>
</ul>
</li>
<li>
<span class="badge badge-important"><i class="icon-minus-sign"></i> Wednesday, January 9: 4.00 hours</span>
<ul>
<li>
<a href=""><span><i class="icon-time"></i> 2.00</span> – Create component that...</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<span><i class="icon-calendar"></i> 2013, Week 3</span>
<ul>
<li>
<span class="badge badge-success"><i class="icon-minus-sign"></i> Monday, January 14: 8.00 hours</span>
<ul>
<li>
<span><i class="icon-time"></i> 7.75</span> – <a href="">Writing documentation...</a>
</li>
<li>
我向往出来就是一个树根 树枝什么的都不打开
<span><i class="icon-time"></i> 0.25</span> – <a href="">Reverting code back to...</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</body>
</html>
打开是这样的
...全文
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zhangyikai321 2015-12-01
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<script type="text/javascript">
$(function(){
$('.tree li:has(ul)').addClass('parent_li').find(' > span').attr('title', 'Collapse this branch');
$(this).parent('li.parent_li').find(' > ul > li').hide('fast');
$('.tree li.parent_li > span').on('click', function (e) {
var children = $(this).parent('li.parent_li').find(' > ul > li');
if (children.is(":visible")) {
children.hide('fast');
$(this).attr('title', 'Expand this branch').find(' > i').addClass('icon-plus-sign').removeClass('icon-minus-sign');
} else {
children.show('fast');
$(this).attr('title', 'Collapse this branch').find(' > i').addClass('icon-minus-sign').removeClass('icon-plus-sign');
}
e.stopPropagation();
});
});
代码就是在这里但是我试了一下 还是不可以 啊
guoquanhua007 2015-11-30
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代码太长，不看啦。提供一个思路给你。
可以利用div嵌套默认不展示的数据display:none。
