使用简单HTML Dom从HTML页面抓取数据

Question

我是网页抓取新手。我有一个HTML页面，我正在寻找刮数据。我已经管理获得数据，如标题等使用下面的代码

$name= $html->find('h1[class=page-title]', 0)->plaintext;

但是现在我在

下面有一个div

<div class="company--performance-data">
<div class="field field--name-field-stock-price-prev-close field--type-decimal field--label-above field__items">
<div class="field__label">Previous trading day’s Close</div>
<div content="61.58000" class="field__item">
$61.58
</div>
</div>
<div class="field field--name-field-stock-price-current-high field--type-decimal field--label-above field__items">
<div class="field__label">Current high for the day</div>
<div content="64.40000" class="field__item">
$64.40
</div>
</div>
<div class="field field--name-field-stock-price-current-low field--type-decimal field--label-above field__items">
<div class="field__label">Current low for the day</div>
<div content="62.78000" class="field__item">
$62.78
</div>
</div>
<div class="field field--name-field-days-volume field--type-decimal field--label-above field__items">
<div class="field__label">Day's Volume</div>
<div class="field__item">
406
</div>
</div>

<div class="field field--name-field-30-days-average-volume field--type-decimal field--label-above field__items">
<div class="field__label">30 days average volume</div>
<div content="0.553734" class="field__item">
1
</div>
</div>
<div class="field field--name-field-market-cap field--type-string field--label-above field__items">
<div class="field__label">Market Cap</div>
<div class="field__item">
$0.00
</div>
</div>
<div class="field field--name-field-stock-52-week-high field--type-decimal field--label-above field__items">
<div class="field__label">52-week high</div>
<div content="72.60" class="field__item">
$72.60
</div>
</div>
<div class="field field--name-field-stock-52-week-low field--type-decimal field--label-above field__items">
<div class="field__label">52-week low</div>
<div content="42.64" class="field__item">
$42.64
</div>
</div>
<div class="field field--name-field-stock-last-paid-div-value field--type-decimal field--label-above field__items">
<div class="field__label">Last paid dividend value</div>
<div content="0.47" class="field__item">
$0.47
</div>
</div>
<div class="field field--name-field-stock-dividend-yield field--type-decimal field--label-above field__items">
<div class="field__label">Dividend Yield</div>
<div content="3.03814" class="field__item">
3.04%
</div>
</div>
<div class="field field--name-field-stock-funds-from-operation field--type-decimal field--label-above field__items">
<div class="field__label">Previous quarter FFO</div>
<div content="217.76" class="field__item">
$217.76mil
</div>
</div>

</div>

我想得到每个字段值像$0.47从它。但是因为它有类名字段，我不知道如何从它获得价值。有谁能帮帮我吗?

非常感谢!

Answer 1

请试试:

foreach($html1->find("div.field__item") as $m)
{
$txt = trim($m->plaintext);
$attribute_array = $m->attr;
if(isset($attribute_array['content']))
{
var_dump($attribute_array['content']);
}
var_dump($txt);
}