Php XPath表刮取 交易代码： RCL 新闻标题: DSENEWS：授权代表的撤回 新闻: 授权代表的撤回：皇家资本有限公司，DSE TREC第21号，已撤回其授权代表之一Zikrul Haque先生，立即生效。 交易代码： 岛 新闻标题: DSENEWS：授权代表的撤回 新闻: 授权代表的撤回：IDLC证券有限公司，DSE TREC第58号，已撤回其授权代表之一Mohammad Ziaur Rahman先生，立即生效。

这是我的表，我想从中获取每个表的交易代码和标题，并将其存储到我的数据库中，请帮助取消此数据。

$html=”
<table border='0' cellspacing='3' width='100%'>
   <tr>
      <td width='15%'><font color='#3366FF'><b>Trading Code:</b></font></td>
      <td width='85%'>RCL</td>
   </tr>
   <tr>
      <td><font color='#3366FF'><b>News Title:</b></font></td>
      <td>DSENEWS: Withdrawal of Authorized Representative</td>
   </tr>
   <tr>
      <td><font color='#3366FF'><b>News:</b></font></td>
      <td align='justify'>Withdrawal of Authorized Representative: Royal Capital Ltd., DSE TREC No. 21, has withdrawn one of its Authorized Representatives, Mr. Md. Zikrul Haque, with immediate effect.</td>
   </tr>
</table>
<br>
<table border='0' cellspacing='3' width='100%'>
   <tr>
      <td width='15%'><font color='#3366FF'><b>Trading Code:</b></font></td>
      <td width='85%'>ISL</td>
   </tr>
   <tr>
      <td><font color='#3366FF'><b>News Title:</b></font></td>
      <td>DSENEWS: Withdrawal of Authorized Representative</td>
   </tr>
   <tr>
      <td><font color='#3366FF'><b>News:</b></font></td>
      <td align='justify'>Withdrawal of Authorized Representative: IDLC Securities Ltd., DSE TREC No. 58, has withdrawn one of its Authorized Representatives, Mr. Mohammad Ziaur Rahman, with immediate effect.</td>
   </tr>
</table>

交易代码：
RCL
新闻标题:
DSENEWS：授权代表的撤回
新闻:
授权代表的撤回：皇家资本有限公司，DSE TREC第21号，已撤回其授权代表之一Zikrul Haque先生，立即生效。


交易代码：
岛
新闻标题:
DSENEWS：授权代表的撤回
新闻:
授权代表的撤回：IDLC证券有限公司，DSE TREC第58号，已撤回其授权代表之一Mohammad Ziaur Rahman先生，立即生效。
";
/*构造XPath表达式以查找所需数据*/
$query='//td[包含（，“交易代码”）]/跟随兄弟姐妹：：td |//td[包含（，“新闻标题”）]/跟随兄弟姐妹：：td'；
/*创建DOMDocument和DOMXPath对象*/
$dom=新的DOMDocument；
$dom->loadHTML（$html）；
$xp=新的DOMXPath（$dom）；
/*运行查询以查找节点*/
$col=$xp->query（$query）；
/*处理节点*/
如果（！空（$col））{
foreach（$col作为$td）{
/*对发现的数据进行处理*/
echo$td->nodeValue；
}
}

可以找到构造XPath表达式（&CSS选择器）时的有用参考

$html="<table border='0' cellspacing='3' width='100%'>
   <tr>
      <td width='15%'>Trading Code:</td>
      <td width='85%'>RCL</td>
   </tr>
   <tr>
      <td><font color='#3366FF'><b>News Title:</b></font></td>
      <td>DSENEWS: Withdrawal of Authorized Representative</td>
   </tr>
   <tr>
      <td><font color='#3366FF'><b>News:</b></font></td>
      <td align='justify'>Withdrawal of Authorized Representative: Royal Capital Ltd., DSE TREC No. 21, has withdrawn one of its Authorized Representatives, Mr. Md. Zikrul Haque, with immediate effect.</td>
   </tr>
</table>
<br>
<table border='0' cellspacing='3' width='100%'>
   <tr>
      <td width='15%'><font color='#3366FF'><b>Trading Code:</b></font></td>
      <td width='85%'>ISL</td>
   </tr>
   <tr>
      <td><font color='#3366FF'><b>News Title:</b></font></td>
      <td>DSENEWS: Withdrawal of Authorized Representative</td>
   </tr>
   <tr>
      <td><font color='#3366FF'><b>News:</b></font></td>
      <td align='justify'>Withdrawal of Authorized Representative: IDLC Securities Ltd., DSE TREC No. 58, has withdrawn one of its Authorized Representatives, Mr. Mohammad Ziaur Rahman, with immediate effect.</td>
   </tr>
</table>";




/* Construct XPath expression to find required data*/
$query='//td[contains( . , "Trading Code" )]/following-sibling::td|//td[contains( . , "News Title" )]/following-sibling::td';

/* create the DOMDocument & DOMXPath objects */
$dom=new DOMDocument;
$dom->loadHTML( $html );
$xp=new DOMXPath( $dom );

/* Run the query to find nodes */
$col=$xp->query( $query );

/* Process the nodes */
if( !empty( $col ) ){
    foreach( $col as $td ){
        /* do something with data found */
        echo $td->nodeValue;
    }
}