根据CAS号获取MSDS

根据CAS号获取MSDS

根据CAS号获取MSDS

ci框架

function productcas(){//$cass = $this->db->where('监管条件','管控：剧毒危险化学品')->get('product_cas')->result_array();//$cas = array_column($cass,'CAS');$cas = [ '','',''];foreach ($cas as $v){$data = ['keyword'=>$v];$res = $this->curl_post('/',$data);$search = '/<a .*?.*?>/';preg_match_all($search,$res,$data);//获取最后一个数$id = end($data[0]);//获取等会后面的值$id = substr($id,strripos($id,"=")+1);//去除多余符号$id = str_replace(">","",$id);$res = $this->curl_post('/?id='.$id,'');if ($res != 'File not found!'){file_put_contents('C:/Users/li/Desktop/msds3/'.$v.'.pdf',$res);}}}

laravel框架