Home >Backend Development >PHP Tutorial >PHP抓取并保存网页所有图片

PHP抓取并保存网页所有图片

WBOY
WBOYOriginal
2016-06-20 12:59:421003browse

废话不说,直接上代码

<?phpinclude_once('simple_html_dom.php');$url = $argv[1];echo "start fetching images from $url".PHP_EOL.PHP_EOL;$data = loadData($url);$html = str_get_html($data);$images = $html->find('img');$srcs = array();foreach ($images as $image) {    $src = $image->attr['src'];    saveImg($src);    $srcs[] = $src;}echo PHP_EOL.'finish';function loadData($url) {    //useragent是为了防止淘宝等公司对脚本访问的限制    $ch = curl_init();    curl_setopt($ch, CURLOPT_URL, $url);    curl_setopt($ch, CURLOPT_USERAGENT, 'MMozilla/5.0 (Windows NT 6.1; rv:36.0) Gecko/20100101 Firefox/36.0');    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);    curl_setopt($ch, CURLOPT_TIMEOUT, 5);    return curl_exec($ch);}function saveImg($src) {    $path = dirname(__FILE__).'/images/'.date('YmdHis').rand(100, 999);    $suffix = getSuffix($src);    $fileName = $path.'.'.$suffix;    if (file_put_contents($fileName, file_get_contents($src))) {        echo "save $src success".PHP_EOL;    }}function getSuffix($src) {    $pattern = '/.+\.(.+)/';    preg_match($pattern, $src, $matches);    $suffix = $matches[1];    if (!in_array(strtolower($suffix), array('jpg','jpeg','png','bmp','gif'))) {        $suffix = 'png';    }    return $suffix;}?>

simple_html_dom下载地址

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn