2
这是我在不同的文件狂饮HTTP客户端暧昧回应
use Symfony\Component\DomCrawler\Crawler;
$guzzle = new GuzzleHttp\Client(['base_url' => 'http://pricematch.pk/mobile/samsung-galaxy-s6-80514-price-in-Pakistan']);
$response = $guzzle->get();
$crawler = new Crawler((string)$response->getBody());
echo $crawler->filter('.product-shop-wrapper .price')->text()."\r\n";
代码在这一个网址是硬编码,这一次成功的回声过滤文本。当下面代码中的每个循环中的相同url /任何url来自变量时
$guzzle = new GuzzleHttp\Client(['base_url' => 'pricematch.pk/mobile-phone-prices-in-pakistan']);
$response = $guzzle->get();
$crawler = new Crawler((string)$response->getBody());
$crawler->filter('.product-name')->each(function ($node,$counter) {
echo $counter." ".$node->text()."\r\n";
$url=$node->filter('a')->extract(array('href'))[0]."\r\n";
echo $url."\r\n";
$url='http://pricematch.pk'.$url;
echo $url;
$guzzle = new GuzzleHttp\Client(['base_url' => $url]);
$response = $guzzle->get();
$crawler = new Crawler((string)$response->getBody());
爬网程序引发异常,说当前节点列表为空。 href返回一个相关的url,我在上面的代码中追加了根url。我已经打印了很多次。即使URL与代码#1相同,过滤器也会抛出异常。 我在做什么错?
更新2:我刚刚发现,在码2履带数据从
pricematch.pk/mobile-phone-prices-in-pakistan
未来它应该从
$网址
这是怎么布莱恩来吗?