private function CreateDomDocument()
{
$dom = new Domdocument();
@$dom->loadHTML($this->htmlStack);
$xpath = new DomXpath($dom);
// Find all the product blocks that contain beer attribute that we want to search for such as rating, title, price, etc.
$elements = $xpath->query('//article[contains(@class, "' . $this->class . '")]');
foreach ($elements as $element) {
// get the node value from the .title class (the title of the product)
$title = $xpath->query('descendant::div[@class="title"]', $element);
$title = $title->item(0)->nodeValue;
// get the attribute value from the .link-overlay class (the actual link to the product)
$link = $xpath->query('descendant::a[@class="link-overlay"]', $element);
$link = $link->item(0)->getAttribute('href');
$link = 'https://www.gall.nl' . $link;
// get the image src value to rip the image from the site
$image = $xpath->query('descendant::div[@class="image"]/node()/node()', $element);
$image = $image->item(1)->getAttribute('src');
// Dive in the link that a single product has
$results = $this->curlGetDeep($link);
// if a regex option has been supplied run it on the results
if ($this->regex) {
$title = preg_replace($this->regex, '', $title);
}
// remove the unwanted 6X 35x6(bulk beers) results with this regex
if (!preg_match('/\\dX(\\d+)?/', $title)) {
$this->elementsArray[] = ['title' => $title, 'link' => $link, 'image' => $image, 'description' => $results['description'], 'abv' => $results['abv']];
}
}
$this->json = json_encode(['beers' => $this->elementsArray]);
}
public function CreateDomDocument()
{
$dom = new Domdocument();
@$dom->loadHTML($this->htmlStack);
$xpath = new DomXpath($dom);
$elements = $xpath->query('//a[@class="' . $this->class . '"]');
foreach ($elements as $element) {
$element = $element->getAttribute('href');
// if a regex option has been supplied run it on the results
if ($this->regex) {
$element = preg_replace($this->regex, '', $element);
}
// remove the 6X 35x6(bulk beers) results with this regex
if (!preg_match('/\\dX(\\d+)?/', $element)) {
$this->elementsArray[] = ['title' => $element];
}
}
echo json_encode(['beers' => $this->elementsArray]);
}
7.创建goods节点
8.把name，intro放入goods节点
9.创建属性节点goods_id
10.把属性节点放入goods节点
11.创建appstore节点
12.把goods放入appstore节点
13.把appstore放入文档中
在上面的步骤中，体现出：
创建普通节点
创建CDATA节点
创建属性节点
增加子节点
*/
//创建DOM文档对象
$dom = new Domdocument('1.0', 'utf-8');
//创建文本节点
$tl = $dom->createTextNode('天龙八部');
//创建普通节点
$name = $dom->createElement('name');
//在把天龙文本节点加入到name节点中
$name->appendChild($tl);
//创建cdata节点
$cdata = $dom->createCDATASection('天龙八部~~~~');
//再创建intro节点
$intro = $dom->createElement('intro');
//再把cdata节点放入intro中
$intro->appendChild($cdata);
//创建goods节点
$goods = $dom->createElement('goods');
//把name，intro放入goods节点
/**
* Api function for crawl bank daily data.
*
* @return Response
*/
public function getBankDaily()
{
$apies = json_decode(EXR_BANKS);
// Crawl bank api url.
foreach ($apies as $type => $url) {
switch ($type) {
case 'VCB':
$content = file_get_contents($url);
if (!$content) {
return false;
}
$doc = new \Domdocument();
@$doc->loadxml($content);
$xpath = new \Domxpath($doc);
$items = $xpath->query('//Exrate');
$codes = array();
foreach ($items as $item) {
$codes[] = $item->getattribute('CurrencyCode');
}
// get currency by ids
$currencies = Currency::getCurrenciesByCodes($codes, $type);
// get exchange rates over bank api.
if (count($currencies)) {
foreach ($currencies as $currency) {
$item = $xpath->query('//Exrate[@CurrencyCode="' . $currency->code . '"]')->item(0);
$currencyid = $currency->id;
$buy = $item->getattribute('Buy');
$transfer = $item->getattribute('Transfer');
$sell = $item->getattribute('Sell');
if ($buy && $transfer && $sell) {
CurrencyDaily::updateExratesDaily($currencyid, $buy, $transfer, $sell, 'bank');
}
}
}
break;
}
}
return Response::json(array('status' => 'Success', 'data' => $apies), 200);
}
<?php
/*
* $key = abe95e495c0820cc;
* echo $api，得到的是一个XML文档，内容是视频的标题，时长，封面等等信息。接下来，我们要做的是用PHP把
* XML的各节点信息解析出来。
*
* 知识：DOMDocument类来解析
*
* 当前，我们暂时不用XML解析，而是直接用字符串操作来得到地址
*/
error_reporting(E_ALL & ~E_NOTICE);
$key = 'abe95e495c0820cc';
if ($tudou = $_POST['tudou']) {
$api = 'http://api.tudou.com/v3/gw?method=item.info.get&appKey=' . $key . '&format=xml&itemCodes=' . $itemCode;
$dom = new Domdocument('1.0', 'utf-8');
$dom->load($api);
$noad = $dom->getElementsByTagName('html5Url')->item(0)->nodeValue;
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>xml历史及特点</title>
</head>
<body>
<pre>
第28集：http://www.tudou.com/albumplay/bHQgbXXsD-w/vSiti0Uvtgc.html
</pre>
<?php
/*
DOM操作XML的节点读取，节点创建与删除
节点能不能修改与删除
*/
//创建DOM对象
$dom = new Domdocument('1.0', 'utf-8');
//载入xml
$dom->load('./035.xml');
//把天龙八部的商品删除
//查找goods节点，得到列表，从列表中选取天龙八部节点
$tl = $dom->getElementsByTagName('goods')->item(0);
$tl->parentNode->removeChild($tl);
//删除节点以及搞定
/* header('content-type:text/xml;charset=utf-8');
echo $dom->savexml(); */
//修改节点，节点不能修改，只能替换
$name = $dom->getElementsByTagName('name')->item(0);
$text = $dom->createTextNode('电视剧');
$name->replaceChild($text, $name->firstChild);
header('content-type:text/xml;charset=utf-8');
echo $dom->savexml();
