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抓取頁面
地址:http://www.meipai.com/medias/hot
public function getContentByFilegetcontents($url) { $content = file_get_contents($url); return $content; }
然后我們會(huì)獲取到整個(gè)頁面的代碼,接下來就是從代碼中提取出視頻的地址 標(biāo)題 圖片等關(guān)鍵信息
2.提取
我們發(fā)現(xiàn)視頻的主要代碼集中在以下代碼中
<li class="pr no-select loading J_media_list_item" itemscope itemtype="http://schema.org/VideoObject"> <img src="https://cache.yisu.com/upload/information/20200310/52/108717.jpg!thumb320" width="300" height="300" class="db pa pai" alt="手撕包菜。包菜撕片裝洗凈備用。熱鍋入油五花肉下鍋煸炒出油,多余的油盛出。放醬油肉上色,盛出。之前的油倒鍋內(nèi),放蒜辣椒炒香,下包菜繼續(xù)翻炒,倒適量醬油老抽五香粉。再下之前炒好的五花肉翻炒,放適量鹽,出鍋前放雞精淋入適量香醋即可非常香啊,超級(jí)下飯。喜歡的點(diǎn)贊奧#美食##家常菜#" itemprop="thumbnail"> <div id="w517161790" class="content-l-video content-l-media-wrap pr cp" data-id="517161790" data-video="http://mvvideo1.meitudata.com/5734040ae2dec950.mp4"> <div class="layer-black pa"></div> <a hidefocus href="/media/517161790" target="_blank" class="content-l-p pa" title="手撕包菜。包菜撕片裝洗凈備用。熱鍋入油五花肉下鍋煸炒出油,多余的油盛出。放醬油肉上色,盛出。之前的油倒鍋內(nèi),放蒜辣椒炒香,下包菜繼續(xù)翻炒,倒適量醬油老抽五香粉。再下之前炒好的五花肉翻炒,放適量鹽,出鍋前放雞精淋入適量香醋即可非常香啊,超級(jí)下飯。喜歡的點(diǎn)贊奧#美食##家常菜#"> <meta itemprop="url" content="/media/517161790"> <i class="icon icon-item-play"></i> <strong class="js-convert-emoji" itemprop="description">哈喇嘎子流成河</strong> </a> </div> <div class="pr" itemscope itemtype="http://schema.org/AggregateRating"> <a hidefocus href="/user/62299474" class="dbl h58"> <img src="https://cache.yisu.com/upload/information/20200310/52/108718.jpg!thumb60" width="28" height="28" class="avatar m10" title="小優(yōu)Lucky" alt="小優(yōu)Lucky"> </a> <p class="content-name pa"> <a hidefocus href="/user/62299474" class="content-name-a js-convert-emoji" title="小優(yōu)Lucky" itemprop="author">小優(yōu)Lucky</a> </p> <div class="content-like pa" data-id="517161790"> <i class="icon icon-like"></i> <span itemprop="ratingCount">3060</span> </div> <a hidefocus href="/media/517161790" data-sc="1" target="_blank" class="conten-command pa" data-id="517161790"> <i class="icon icon-command"></i> <span itemprop="reviewCount">100</span> </a> </div> </li>
通過正則匹配
public function extracturl($page) { $matches = array(); $voide=array(); $mainurl=""; $list=array(); $j=0; $pat = "/<li class=\"pr no-select loading J_media_list_item\".*?>.*?<\/li>/ism"; preg_match_all($pat, $page, $matches, PREG_PATTERN_ORDER); for ($i=0; $i <count($matches[0]) ; $i++) { $pat1 ="/data-video=\"(.*?)\"/ism"; preg_match_all($pat1, $matches[0][$i], $voide, PREG_PATTERN_ORDER); $myvoide=$voide[1][0]; $pat2 ="/src=\"(.*?)\"/ism"; preg_match_all($pat2, $matches[0][$i], $img, PREG_PATTERN_ORDER); $myimg=$img[1][0]; $pat3 ="/<strong class=\"js-convert-emoji\".*?>(.*?)<\/strong>/ism"; preg_match_all($pat3, $matches[0][$i], $title, PREG_PATTERN_ORDER); $mytitle= $title[1][0]; $list[$j++]=array( 'voide'=>$myvoide, 'title'=>$mytitle, 'img'=>$myimg); } return $list; } }
全部代碼
<?php class Cutecrawler { public function getContentByFilegetcontents($url) { $content = file_get_contents($url); return $content; } public function extracturl($page) { $matches = array(); $voide=array(); $mainurl=""; $list=array(); $j=0; $pat = "/<li class=\"pr no-select loading J_media_list_item\".*?>.*?<\/li>/ism"; preg_match_all($pat, $page, $matches, PREG_PATTERN_ORDER); for ($i=0; $i <count($matches[0]) ; $i++) { $pat1 ="/data-video=\"(.*?)\"/ism"; preg_match_all($pat1, $matches[0][$i], $voide, PREG_PATTERN_ORDER); $myvoide=$voide[1][0]; $pat2 ="/src=\"(.*?)\"/ism"; preg_match_all($pat2, $matches[0][$i], $img, PREG_PATTERN_ORDER); $myimg=$img[1][0]; $pat3 ="/<strong class=\"js-convert-emoji\".*?>(.*?)<\/strong>/ism"; preg_match_all($pat3, $matches[0][$i], $title, PREG_PATTERN_ORDER); $mytitle= $title[1][0]; $list[$j++]=array( 'voide'=>$myvoide, 'title'=>$mytitle, 'img'=>$myimg); } return $list; } } $url = "http://www.meipai.com/medias/hot"; $crawler = new Cutecrawler(); $content = $crawler->getContentByFilegetcontents($url); $c=$crawler->extracturl($content); var_dump($c); ?>
最后結(jié)果:
array(24) { [0]=> array(3) { ["voide"]=> string(51) "http://mvvideo2.meitudata.com/5737fd5caeb838981.mp4" ["title"]=> string(27) "老師那些年常說的話" ["img"]=> string(58) "https://cache.yisu.com/upload/information/20200310/52/108720.jpg!thumb320" } [1]=> array(3) { ["voide"]=> string(50) "http://mvvideo2.meitudata.com/5737fceabf873602.mp4" ["title"]=> string(21) "女友突然冷落你" ["img"]=> string(58) "http://mvimg2.meitudata.com/5736d25d0aa5d8991.jpg!thumb320" } [2]=> array(3) { ["voide"]=> string(51) "http://mvvideo2.meitudata.com/5737f300131e18596.mp4" ["title"]=> string(27) "女明星之間的內(nèi)心戲" ["img"]=> string(58) "https://cache.yisu.com/upload/information/20200310/52/108722.jpg!thumb320" } [3]=> array(3) { ["voide"]=> string(51) "http://mvvideo2.meitudata.com/5737eb9d0bfc92046.mp4" ["title"]=> string(24) "真替老師感到悲劇" ["img"]=> string(57) "https://cache.yisu.com/upload/information/20200310/52/108723.jpg!thumb320" }
接下來。。。你可以存入數(shù)據(jù)庫
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