``` function get_files($url){ $curl = curl_init($url); //初始化 curl_setopt($curl, CURLOPT_HEADER, FALSE); curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE); //将结果输出到一个字符串中，而不是直接输出到浏览器 curl_setopt($curl, CURLOPT_REFERER, 'http://www.baidu.com/'); //最重要的一步，手动指定Referer $re = curl_exec($curl); //执行 if (curl_errno($curl)){ curl_close($curl); return NULL; } curl_close($curl); return $re; } $url = 'http://images.csdn.net/20160701/b1.jpg'; $c = get_files($url); $fileName = time() . '.jpg'; if(file_put_contents($fileName,$c)){ echo "<a href='$fileName' target='_blank'>show</a>"; }else{ echo 'fail'; } ```