利用PHP的curl批量导出文件

<?phpheader("Content-Type:text/html;charset=‘utf-8‘");include ‘csv.php‘ ;$fileData = array( ???‘csv/310-new.csv‘ => 310, ???‘csv/308-new.csv‘ => 308, ???‘csv/297-new.csv‘ => 297, ????‘csv/296-new.csv‘ => 296, ????‘csv/295-new.csv‘ => 295, ????‘csv/293-new.csv‘ => 293,);foreach ($fileData as $skey => $svalue) { ???echo "export {$skey}\n"; ???if(!file_exists("data/".$svalue)){ ???????mkdir("data/".$svalue); ???} ???if(!file_exists($skey)){ ???????echo " file $skey is not exists \n"; ???????continue; ???} ???$csvreader = new CsvReader( $skey ); ???$data = $csvreader->get_data(); ???foreach ($data as $key => $value) { ???????$url = (trim($value[0])); ???????$name = trim($value[1]); ???????if( empty($url) or empty($name) ){ ???????????echo "url is empty \n"; ???????????continue; ???????} ???????$name = str_replace("/" , "-" ,$name );//字符串替换，文件名中不能有特殊字符 ???????$ext = ?substr($url, strrpos($url, ‘.‘)+1);//获取原始文件名的尾缀 ???????downImage($url ,$svalue, $name . ?"." . ?$ext ?); ???????echo "export $url \n"; ???}} function downImage($url , $sfolder , $filename ){ ???//$filename = iconv("utf-8","GBK//IGNORE", $filename); ???$folder = __DIR__ . "/data/" ; ???$filename = $folder . "{$sfolder}/" . $filename ?; ???$ret = ?https_request($url); ???saveFile($filename,$ret); //下载后好的文件名} function saveFile($filename, $filecontent){ ???$local_file = fopen($filename, ‘w‘); ???if (false !== $local_file){ ???????if (false !== fwrite($local_file, $filecontent)) { ???????????fclose($local_file); ???????} ???}}function https_request($url){ ???$curl = curl_init(); ???curl_setopt($curl, CURLOPT_URL, $url); ???curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); ???curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); ???curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); ???$output = curl_exec($curl); ???curl_close($curl); ???return $output;}

<?phpclass CsvReader { ???private $csv_file; ???private $spl_object = null; ???private $error; ???????public function __construct($csv_file = ‘‘) { ???????if($csv_file && file_exists($csv_file)) { ???????????$this->csv_file = $csv_file; ???????} ???} ???????public function set_csv_file($csv_file) { ???????if(!$csv_file || !file_exists($csv_file)) { ???????????$this->error = ‘File invalid‘; ???????????return false; ???????} ???????$this->csv_file = $csv_file; ???????$this->spl_object = null; ???} ???????public function get_csv_file() { ???????return $this->csv_file; ???} ???????private function _file_valid($file = ‘‘) { ???????$file = $file ? $file : $this->csv_file; ???????if(!$file || !file_exists($file)) { ???????????return false; ???????} ???????if(!is_readable($file)) { ???????????return false; ???????} ???????return true; ???} ???????private function _open_file() { ???????if(!$this->_file_valid()) { ???????????$this->error = ‘File invalid‘; ???????????return false; ???????} ???????if($this->spl_object == null) { ???????????$this->spl_object = new SplFileObject($this->csv_file, ‘rb‘); ???????} ???????return true; ???} ???public function get_data($length = 0, $start = 0) { ???????if(!$this->_open_file()) { ???????????return false; ???????} ???????$length = $length ? $length : $this->get_lines(); ???????$start = $start - 1; ???????$start = ($start < 0) ? 0 : $start; ???????$data = array(); ???????$this->spl_object->seek($start); ???????while ($length-- && !$this->spl_object->eof()) { ???????????$data[] = $this->spl_object->fgetcsv(); ???????????$this->spl_object->next(); ???????} ???????return $data; ???} ???????public function get_lines() { ???????if(!$this->_open_file()) { ???????????return false; ???????} ???????$this->spl_object->seek(filesize($this->csv_file)); ???????return $this->spl_object->key(); ???} ???????public function get_error() { ???????return $this->error; ???}}