如何使用？为表中的td每个提取内部值？我有一个这样的表：trDOM
<table>
<tbody>
<tr class="rowData">
<td class="cellData">
<a href="#"><span> DATA 1 </span></a>
</td>
<td class="cellData">
<div class="div1"><div class="div2"> DATA 1 a </div></div>
</td>
<td class="cellData">
<div class="div1"><div class="div2"> DATA 1 b </div></div>
</td>
<td class="cellData">
<div class="div1"><div class="div2"> DATA 1 c </div></div>
</td>
</tr>
<tr class="rowData">
<td class="cellData">
<a href="#"><span> DATA 2 </span></a>
</td>
<td class="cellData">
<div class="div1"><div class="div2"> DATA 2 a </div></div>
</td>
<td class="cellData">
<div class="div1"><div class="div2"> DATA 2 b </div></div>
</td>
<td class="cellData">
<div class="div1"><div class="div2"> DATA 2 c </div></div>
</td>
</tr>
<tr class="rowData">
<td class="cellData">
<a href="#"><span> DATA 3 </span></a>
</td>
<td class="cellData">
<div class="div1"><div class="div2"> DATA 3 a </div></div>
</td>
<td class="cellData">
<div class="div1"><div class="div2"> DATA 3 b </div></div>
</td>
<td class="cellData">
<div class="div1"><div class="div2"> DATA 3 c </div></div>
</td>
</tr>
</tbody>
<table>
我会得到的是：每行
<label> DATA n </label>
<input value="DATA n a">
<input value="DATA n b">
<input value="DATA n c">
我被这段代码所困扰：
$html = file_get_contents($link);
$html2 = (preg_replace('/\s+/', ' ', $html));
$doc = new DOMDocument();
$doc->loadHTML($html2);
$xpath = new DOMXPath($doc);
$tables = $doc->getElementsByTagName('table');
foreach($xpath->query('.//tbody/tr[@class="rowData"]') as $node){
}
foreach($xpath->query('.//tbody/tr/td/div/div[@class="div2"]') as $node){
}
foreach($xpath->query('.//tbody/tr/td/a/span') as $node){
echo $node->nodeValue;
}
有人能帮我吗？
我猜代码是不言自明的。XPath使用了3次：查找所有表行，获取标签和获取所有输入值。
foreach($xpath->query('.//tbody/tr[@class="rowData"]') as $row) {
echo '<label>'.$xpath->query('td[1]/a/span', $row)->item(0)->textContent."</label>\n";
foreach($xpath->query('td[position() > 1]/div/div', $row) as $col) {
echo '<input value="'.trim($col->textContent).'" />'."\n";
}
}
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