php远程下载网络图片

版权声明：本文为Areom原创文章，未经博主允许不得转载。 https://blog.csdn.net/zhanjianjiu/article/details/79778343

class Spider {
    public function downloadImage($url, $path='imagesjpg/')
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 120);
        $file = curl_exec($ch);
        curl_close($ch);

        $this->saveAsImage($url, $file, $path);
    }

    private function saveAsImage($url, $file, $path)
    {
        $filename = pathinfo($url, PATHINFO_BASENAME);
        $resource = fopen($path . $filename, 'a');
        fwrite($resource, $file);
        fclose($resource);
    }
}
 
$spider = new Spider();
for ($i=1;$i<300;$i++) {//直接循环生成路径然后下载到本地同目录下（./imagesjpg/）中
    $url="http://***/".$i.".jpg";//图片路径
    $spider->downloadImage($url);
}