1

我正在使用 jsTree,我需要将此 HTML 标记树代码<ul> <li>转换为 PHP 数组。jsTree HTML 标签将被传递给 PHP 进行解析并存储在结构化的树 PHP 数组中(请参阅下面的 PHP 数组结构)。

附加问题:我想要的 PHP 数组结构好还是您可以建议一个好的结构?我愿意接受建议。

提前致谢 :)

干杯,马克

jsTree 截图

替代文字

HTML 树字符串

<ul class="ltr">
<li id="phtml_1" class="  open">
    <a style="" class=" " href="#"><ins>&nbsp;</ins>Folder 1</a>
    <ul>
    <li class="leaf" id="phtml_2">
        <a style="" class=" " href="#"><ins>&nbsp;</ins>Child 1.1</a>
    </li>
    <li class="open" id="phtml_3">
        <a style="" class=" " href="#"><ins>&nbsp;</ins>Folder 1.1</a>
        <ul>
        <li class="leaf last" rel="default">
            <a href="" style="" class=" "><ins>&nbsp;</ins>Child 1.1.1</a>
        </li>
        </ul>
    </li>
    <li class="last open" rel="default">
        <a href="" style="" class=" "><ins>&nbsp;</ins>Folder 1.2</a>
        <ul>
        <li class="leaf" rel="default">
            <a href="" style="" class=" "><ins>&nbsp;</ins>Child 1.2.1</a>
        </li>
        <li class="leaf last" rel="default">
            <a href="" style="" class=" "><ins>&nbsp;</ins>Child 1.2.2</a>
        </li>
        </ul>
    </li>
    </ul>
</li>
<li id="phtml_5" class="file open">
    <a style="" class=" " href="#"><ins>&nbsp;</ins>Folder 2</a>
    <ul>
    <li class="leaf" rel="default">
        <a href="" style="" class=" "><ins>&nbsp;</ins>Child 2.1</a>
    </li>
    <li class="leaf last" rel="default">
        <a href="" style="" class="clicked"><ins>&nbsp;</ins>Child 2.2</a>
    </li>
    </ul>
</li>
<li class="leaf last" rel="default">
    <a href="" style="" class=" "><ins>&nbsp;</ins>Outer Child</a>
</li>
</ul>

PHP数组结构

<?php
$tree_array = array(
    'Folder 1' => array(
        'Child 1.1',
        'Folder 1.1' => array(
            'Child 1.1.1'
        ),
        'Folder 1.2' => array(
            'Child 1.2.1',
            'Child 1.2.2'
        ),
    ),
    'Folder 2' => array(
        'Child 2.1',
        'Child 2.2'
    ),
    'Outer Child'
);

echo '<pre>',print_r($tree_array),'</pre>';
?>

PHP print_r 输出

Array
(
    [Folder 1] => Array
        (
            [0] => Child 1.1
            [Folder 1.1] => Array
                (
                    [0] => Child 1.1.1
                )

            [Folder 1.2] => Array
                (
                    [0] => Child 1.2.1
                    [1] => Child 1.2.2
                )

        )

    [Folder 2] => Array
        (
            [0] => Child 2.1
            [1] => Child 2.2
        )

    [0] => Outer Child
)
4

4 回答 4

3

您应该以对程序员更友好的格式提交树数据,而不是弄乱 html。

$('#saveButton').click(function() {
    var treeData = $.tree.reference($('#sortableTree')).get(undefined, 'json');
    var tmp = serializeTree(treeData, 0);
    // now json-encode tmp and submit it
});

function serializeTree(nodes, parent)
{
    var parents = {};
    var childOrder = []
    var childOrders = {};
    for(var i = 0; i < nodes.length; i++)
    {
        var node = nodes[i];
        var id = node.attributes.id.substr(5); // assuming the id looks like 'abcd-ID'
        parents[id] = parent;
        childOrder.push(id);
        if(node.children)
        {
            var tmp = serializeTree(node.children, id);
            for(var id in tmp[0])
                parents[id] = tmp[0][id];
            for(var id in tmp[1])
                childOrders[id] = tmp[1][id]
        }
    }

    childOrders[parent] = childOrder;

    return [parents, childOrders];
}
于 2010-05-12T09:10:01.073 回答
3

关于:

我的问题我很难解析字符串 HTML 标记并将其保存在 PHP 数组中。

我建议您使用 HTML 解析器,例如simplehtmldom。这将允许您以您想要的方式遍历 HTML DOM。

这是一个快速而肮脏的 UL 步行脚本:

<?php
    require_once( "simplehtmldom/simple_html_dom.php" );
    $DOM = file_get_html( "test.htm" );
    $ARR = array( );
    function WalkUL( $ul, &$ar )
    {
        foreach( $ul->children as $li )
        {
            if ( $li->tag != "li" )
            {
                continue;
            }
            $arar = array( );
            foreach( $li->children as $ulul )
            {
                if ( $ulul->tag != "ul" )
                {
                    continue;
                }
                WalkUL( $ulul, $arar );
            }
            $ar[ $li->find( "a", 0 )->plaintext ] = $arar;
        }
    }
    WalkUL( $DOM->find( "ul", 0 ), $ARR );
    print_r( $ARR );
?>

它的输出,不完全符合您的要求,但很接近:

Array
(
    [Folder 1] => Array
        (
            [Child 1.1] => Array
                (
                )
            [Folder 1.1] => Array
                (
                    [Child 1.1.1] => Array
                        (
                        )
                )
            [Folder 1.2] => Array
                (
                    [Child 1.2.1] => Array
                        (
                        )
                    [Child 1.2.2] => Array
                        (
                        )
                )
        )
    [Folder 2] => Array
        (
            [Child 2.1] => Array
                (
                )
            [Child 2.2] => Array
                (
                )
        )
    [Outer Child] => Array
        (
        )
)
于 2010-05-13T06:46:12.377 回答
0

仅供参考:还有一个用于序列化 <ol> 和 <ul> 列表的 HTML DOM 树的 jQuery 插件: http ://www.drakedata.com/serializetree/sampleTree.html - 它转换了 <ol> 的嵌套结构和 <ul> 列出一个可以用作关联 php 数组的字符串。

于 2011-01-20T09:49:50.763 回答
0

如果您的 UL 不包含任何 href 元素(例如,只是纯文本 nexted ul).. 我已经调整了 Salman 的 simplehtmldom 代码以使用它:

$DOM = str_get_html( $catshtml );
$ARR = array( );
function WalkUL( $ul, &$ar )
{
    foreach( $ul->children as $li )
    {
        if ( $li->tag != "li" )
        {
            continue;
        }
        $arar = array( );
        foreach( $li->children as $ulul )
        {
            if ( $ulul->tag != "ul" )
            {
                continue;
            }
            WalkUL( $ulul, $arar );
        }
        $ar[ trim(preg_replace("#</?[a-z]+[^>]*>(.+</[a-z]+[^>]*>|)#is","",$li->innertext)) ] = $arar;
    }
}
WalkUL( $DOM->find( "ul", 0 ), $ARR );
echo "<pre>"; print_r( $ARR );
于 2014-08-25T05:20:09.117 回答