//简略内容: 1. $data1 = $ql->find('.two img')->map(function($item){return $item->alt; }); // 等价下面这句话 $data2 = $ql->find('.two img')->attrs('alt');2. $texts = $ql->find('.two>a')->texts(); $htmls = $ql->find('#one span')->htmls();3. $ql = QueryList::get('https://www.ithome.com/html/discovery/358585.htm'); $rt = []; // 采集文章标题 $rt['title'] = $ql->find('h1')->text();4.采集列表所有 用all $rt = QueryList::get($url)->rules($rules)->query()->getData(); print_r($rt->all()); //QueryList V4.0.4版本新增了一个queryData()语法糖来简化这种操作: $rt = QueryList::get($url)->rules($rules)->queryData(); queryData()方法等同于query()->getData()->all()
$ql = QueryList::html($html); // 获取div元素对象 $div = $ql->find('div:eq(0)'); // 向div元素中追加一个img元素 queryList给抓取的内容增加html追加元素html
//(在元素操作页面文档 不是结果处理 http://www.querylist.cc/docs/guide/v4/modify-dom) $div->append('<img src="1.jpg" />');//获取HTTP响应头等信息 use GuzzleHttp\Client;$client = new Client(); $response = $client->get('http://httpbin.org/get'); // 获取响应头部信息 $headers = $response->getHeaders();//内容过滤 // 采集正文内容 $eles = QueryList::html($html)->find('#content'); // 选择正文内容中要移除的元素,并移除 $eles->find('.tt,span:last,p:last')->remove(); //获取纯净的正文内容 $content = $eles->html();$rt = QueryList::rules($rules)->html($html)->query()->getData();$rt = QueryList::rules($rules)->html($html)->query()->getData(function($item){$ql = QueryList::html($item['content']);$ql->find('.tt,span:last,p:last')->remove();$item['content'] = $ql->find('')->html();return $item;});//QueryList内置的HTTP客户端 //更多高级参数 //还可以携带更多高级参数,如:设置超时时间、设置代理等。 $ql = QueryList::get('http://httpbin.org/get',['param1' => 'testvalue','params2' => 'somevalue' ],[// 设置代理'proxy' => 'http://222.141.11.17:8118',//设置超时时间,单位:秒'timeout' => 30,'headers' => ['Referer' => 'https://querylist.cc/','User-Agent' => 'testing/1.0','Accept' => 'application/json','X-Foo' => ['Bar', 'Baz'],'Cookie' => 'abc=111;xxx=222']]);//使用文件缓存驱动 //// 缓存文件夹路径 //$cache_path = __DIR__.'/temp/'; $ql = QueryList::get($url,null,['cache' => $cache_path,'cache_ttl' => 600 // 缓存有效时间,单位:秒,可以不设置缓存有效时间 ]);//使用 HTTP Cache //use GuzzleHttp\Psr7\Response; //use QL\QueryList; // //$urls = [ // 'https://github.com/trending/go?since=daily', // 'https://github.com/trending/html?since=daily', // 'https://github.com/trending/java?since=daily' //]; QueryList::multiGet($urls)->success(function(QueryList $ql,Response $response, $index) use($urls){echo 'Current url: '.$urls[$index]."\r\n";$data = $ql->find('h3>a')->texts();print_r($data->all());})->send();//更高级的用法//use GuzzleHttp\Psr7\Response; //use QL\QueryList; // //$urls = [ // 'https://github.com/trending/go?since=daily', // 'https://github.com/trending/html?since=daily', // 'https://github.com/trending/java?since=daily' //]; // //$rules = [ // 'name' => ['h3>a','text'], // 'desc' => ['.py-1','text'] //]; //$range = '.repo-list>li'; QueryList::rules($rules)->range($range)->multiGet($urls)// 设置并发数为2->concurrency(2)// 设置GuzzleHttp的一些其他选项->withOptions(['timeout' => 60])// 设置HTTP Header->withHeaders(['User-Agent' => 'QueryList'])// HTTP success回调函数->success(function (QueryList $ql, Response $response, $index){$data = $ql->queryData();print_r($data);})// HTTP error回调函数->error(function (QueryList $ql, $reason, $index){// ... })->send();//详细版 1. $data1 = $ql->find('.two img')->map(function($item){return $item->alt; }); // 等价下面这句话 $data2 = $ql->find('.two img')->attrs('alt');print_r($data1->all());2. $texts = $ql->find('.two>a')->texts(); $htmls = $ql->find('#one span')->htmls();print_r($texts->all());3. use QL\QueryList;$ql = QueryList::get('https://www.ithome.com/html/discovery/358585.htm');$rt = []; // 采集文章标题 $rt['title'] = $ql->find('h1')->text();4.采集列表所有 用all //use QL\QueryList;//$url = 'https://www.ithome.com/html/discovery/358585.htm'; //// 定义采集规则 //$rules = [ // // 采集文章标题 // 'title' => ['h1','text'], // // 采集文章作者 // 'author' => ['#author_baidu>strong','text'], // // 采集文章内容 // 'content' => ['.post_content','html'] //]; $rt = QueryList::get($url)->rules($rules)->query()->getData(); print_r($rt->all());$rt = QueryList::get($url)->rules($rules)->query()->getData(); print_r($rt->all()); //QueryList V4.0.4版本新增了一个queryData()语法糖来简化这种操作: $rt = QueryList::get($url)->rules($rules)->queryData(); queryData()方法等同于query()->getData()->all()//QueryList内置的HTTP客户端 //更多高级参数 //还可以携带更多高级参数,如:设置超时时间、设置代理等。 $ql = QueryList::get('http://httpbin.org/get',['param1' => 'testvalue','params2' => 'somevalue' ],[// 设置代理'proxy' => 'http://222.141.11.17:8118',//设置超时时间,单位:秒'timeout' => 30,'headers' => ['Referer' => 'https://querylist.cc/','User-Agent' => 'testing/1.0','Accept' => 'application/json','X-Foo' => ['Bar', 'Baz'],'Cookie' => 'abc=111;xxx=222']]);//使用文件缓存驱动 //// 缓存文件夹路径 //$cache_path = __DIR__.'/temp/'; $ql = = QueryList::get($url,null,['cache' => $cache_path,'cache_ttl' => 600 // 缓存有效时间,单位:秒,可以不设置缓存有效时间 ]);//使用 HTTP Cache //use GuzzleHttp\Psr7\Response; //use QL\QueryList; // //$urls = [ // 'https://github.com/trending/go?since=daily', // 'https://github.com/trending/html?since=daily', // 'https://github.com/trending/java?since=daily' //]; QueryList::multiGet($urls)->success(function(QueryList $ql,Response $response, $index) use($urls){echo 'Current url: '.$urls[$index]."\r\n";$data = $ql->find('h3>a')->texts();print_r($data->all());})->send();//更高级的用法//use GuzzleHttp\Psr7\Response; //use QL\QueryList; // //$urls = [ // 'https://github.com/trending/go?since=daily', // 'https://github.com/trending/html?since=daily', // 'https://github.com/trending/java?since=daily' //]; // //$rules = [ // 'name' => ['h3>a','text'], // 'desc' => ['.py-1','text'] //]; //$range = '.repo-list>li'; QueryList::rules($rules)->range($range)->multiGet($urls)// 设置并发数为2->concurrency(2)// 设置GuzzleHttp的一些其他选项->withOptions(['timeout' => 60])// 设置HTTP Header->withHeaders(['User-Agent' => 'QueryList'])// HTTP success回调函数->success(function (QueryList $ql, Response $response, $index){$data = $ql->queryData();print_r($data);})// HTTP error回调函数->error(function (QueryList $ql, $reason, $index){// ... })->send();//获取HTTP响应头等信息 use GuzzleHttp\Client;$client = new Client(); $response = $client->get('http://httpbin.org/get'); // 获取响应头部信息 $headers = $response->getHeaders();//内容过滤 // 采集正文内容 $eles = QueryList::html($html)->find('#content'); // 选择正文内容中要移除的元素,并移除 $eles->find('.tt,span:last,p:last')->remove(); //获取纯净的正文内容 $content = $eles->html();//$rules = [ // // 移除内容中所有的超链接,但保留超链接的内容,并移除内容中所有p标签,但保留p标签的内容 // 'content_html' => ['#content','html','a p'], // // 保留内容中的超链接,以及保留p标签及内容 // 'content_text' => ['#content','text','a p'], //]; $rt = QueryList::rules($rules)->html($html)->query()->getData();// //$rules = [ // 'content' => ['#content','html'] //]; $rt = QueryList::rules($rules)->html($html)->query()->getData(function($item){$ql = QueryList::html($item['content']);$ql->find('.tt,span:last,p:last')->remove();$item['content'] = $ql->find('')->html();return $item;});
$data1 = $ql->find('.two img')->map(function($item){ return $item->alt;});$data1 = $ql->find('.two img')->map(function($item){ return $item->alt;});// 等价下面这句话$data2 = $ql->find('.two img')->attrs('alt');
print_r($data1->all());$texts = $ql->find('.two>a')->texts();$htmls = $ql->find('#one span')->htmls();
print_r($texts->all());