php檔案下載

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<?php        /*    *下載報告    */    public function down_report(){        /*        $result = array("error"=>1,"content"=>‘‘);        if(!session(‘user_id‘)) {            $result[‘error‘] = -1;            $result[‘content‘] = "請先登入";            $result[‘url‘] = "/mobile/user/login";            $this->showMsg($result);        }        $url = yf_empty($_POST[‘url‘], ‘‘, true);        if(!$url) {            $result[‘content‘] = "非法參數";            $this->showMsg($result);        }        */　　　　/*                if(1==1){            $result[‘error‘] = 1;            $result[‘content‘] = $url;            $this->showMsg($result);        }　　　　*/                        /* 下載開始 */        $url = yf_empty($_GET[‘url‘], ‘‘, true);        if(!$url){            echo "檔案參數錯誤";            exit;        }        $filename = basename($url);    //檔案名稱        $filepath = $_SERVER[‘DOCUMENT_ROOT‘].$url;    //檔案絕對路徑               if(!file_exists($filepath)){           $result[‘error‘] = 1;           $result[‘content‘] = "檔案不存在";        }               $fp = fopen($filepath,"r+");        //開啟檔案流        $filesize = filesize($filepath);               //$filearr = explode(".",$filename);        //$prefix = $filearr[0];    //檔案首碼        //$suxfix = $filearr[1];    //檔案尾碼        header("Content-Type:application/octet-stream");        header("Accept-Ranges:bytes");        header("Accept-Length:".$filesize);        header("Content-Disposition:attachment;filename=".$filename);        header("Pragma:no-cache");    //不緩衝        header("Expires:0");        $buffer=1024;        $filecount=0;               //向瀏覽器返回資料        while(!feof($fp) && $filecount<$filesize){           $filecon = fread($fp,$buffer);           $filecount += $buffer;           echo $filecon;        }        fclose($fp);    }    ?>

 

php檔案下載