PHP图片下载脚本-CSDN博客

本文链接：https://blog.csdn.net/phpBin/article/details/86604563

<?php
   $images = [
       'https://img-bss.csdn.net/201803221104361038.jpg',
       'https://img-bss.csdn.net/201803160733066661.jpg',
       'https://img-bss.csdn.net/201803021048506879.jpg',
   ];

   function download($url, $path = 'images/')
   {
       $ch = curl_init();
       curl_setopt($ch, CURLOPT_URL, $url);
       curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
       curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
       $file = curl_exec($ch);
       curl_close($ch);
       $filename = pathinfo($url, PATHINFO_BASENAME);
       $resource = fopen($path . $filename, 'a');
       fwrite($resource, $file);
       fclose($resource);
   }

   foreach ( $images as $url ) {
       download($url);
   }

class Spider {

       // public function downloadImage($url, $path = 'images/')
       // {
       //    $ch = curl_init();
       //    curl_setopt($ch, CURLOPT_URL, $url);
       //    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
       //    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
       //    $file = curl_exec($ch);
       //    curl_close($ch);
       //    $filename = pathinfo($url, PATHINFO_BASENAME);
       //    $resource = fopen($path . $filename, 'a');
       //    fwrite($resource, $file);
       //    fclose($resource);
       // }

       public function downloadImage($url, $path='images/')
       {
           $ch = curl_init();
           curl_setopt($ch, CURLOPT_URL, $url);
           curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
           curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
           $file = curl_exec($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();
   foreach ( $images as $url ) {
       $spider->downloadImage($url);
   }