hanson/crawler
0.2.51
2016-06-05 08:19 UTC
Requires
- fabpot/goutte: ^3.1
- monolog/monolog: ^1.19
README
一个简单的包,用于爬取网站列表和详细信息
安装
composer require hanccc/crawler
用法
此包需要 Goutte,您可以通过 $this->crawler();
在列表和详细信息中获取DOM。
示例
//or $listCrawler = new ExampleListCrawler(storage_path('logs'));
$listCrawler = new ExampleListCrawler('http://example.com', storage_path('logs'));
$listCrawler->setDetailCrawler(new ExampleDetailCrawler());
$listCrawler->start();
列表爬取器
class ExampleListCrawler extends ListCrawler{
public $url = 'http://example.com';
//return links per page
public function getEachPageUrl($page)
{
return 'http://example.com/list&page=' . $page;
}
// get the maximum number of pages
public function setMaxPage()
{
$this->maxPage = $num;
}
}
详情爬取器
class ExampleDetailCrawler extends DetailCrawler{
//Returns boolean
public function isDetailUrl($url)
{
if(preg_match('/example.com\/id(\d+)/, $url))
return true;
}
// what you want to do about the detail page
public function handle()
{
echo $this->crawler->filter('title')->text();
}
}
许可协议
Crawler 是开源软件,遵循 MIT 许可协议。