内容过滤
QueryList自带内容过滤功能:
详情:Query()
主方法
<?php
require 'QueryList/vendor/autoload.php';
use QL\QueryList;
$html =<<<STR
<div id="demo">
xxx
<span class="tt">yyy</span>
<span>zzz</span>
<p>nnn</p>
</div>
STR;
//只想获取内容:xxx
$data = QueryList::Query($html,array(
'txt' => array('#demo','text','-span -p')
))->data;
print_r($data);
/**
结果:
Array
(
[0] => Array
(
[txt] => xxx
)
)
**/
//去掉p标签,但保留p标签的内容
$data = QueryList::Query($html,array(
'txt' => array('#demo','html','p')
))->data;
print_r($data);
/**
结果:
Array
(
[0] => Array
(
[txt] => xxx
<span class="tt">yyy</span>
<span>zzz</span>
nnn
)
)
**/
//获取纯文本,但保留p标签
$data = QueryList::Query($html,array(
'txt' => array('#demo','text','p')
))->data;
print_r($data);
/**
结果:
Array
(
[0] => Array
(
[txt] => xxx
yyy
zzz
<p>nnn</p>
)
)
*/
//去掉class名为tt的元素和p标签,但保留p标签的内容
$data = QueryList::Query($html,array(
'txt' => array('#demo','html','-.tt p')
))->data;
print_r($data);
/**
结果:
Array
(
[0] => Array
(
[txt] => xxx
<span>zzz</span>
nnn
)
)
*/