比较恶心的360老年版浏览器 文件导出下载

function export_txt($data)

{   



            Header("Content-type: application/octet-stream"); 

            Header("Accept-Ranges: bytes"); 

            $destination_folder='./Public/file/';       

            //txt文件  

            $file_name=iconv('utf-8', 'gbk', '账号卡信息').date('Y-m-d H-i-s',time()).'.txt';       

            $destination = $destination_folder.$file_name; //新excel路径

            $fp_write = fopen($destination,"w");

            chmod($destination,0777);

            

            $row = "序号\t卡号\t卡密码\t生成日期\t有效期(天)\t充值期限\t金额\r\n";

            fwrite($fp_write,$row);

            $i=1;

            foreach ($data as $key => $value) { 

                  $row = "$i\t{$value['cardnum']}\t{$value['cardpwd']}\t{$value['createtime']}\t{$value['validityday']}\t".date('Y-m-d',$value['expirydate'])."\t{$value['money']}\r\n"; 

                  fwrite($fp_write,$row);

                  //echo $row;

                  $i++;

            }  

                   

            fclose($fp_write);        

            $file_sub_path="./Public/file/";

            $file_path=$file_sub_path.$file_name; 

            $fp=fopen($file_path,"r"); 

            $file_size=filesize($file_path);

            //下载文件需要用到的头        

            $useragent = $_SERVER['HTTP_USER_AGENT'];

            // echo $useragent;
            // 输出 Content-Disposition时候比较恶心的 还要区分大小写


             if(strstr($useragent,"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)")){



                  $dis="Content-Disposition:attachment;filename='".$file_name."'";



               }else

               {

                  $dis='Content-Disposition:attachment;filename="'.$file_name.'"';

               }



            Header($dis);  

            Header("Accept-Length:".$file_size); 

            $buffer=1024; 

            $file_count=0; 

            while(!feof($fp) && $file_count<$file_size){ 

                $file_con=fread($fp,$buffer); 

                $file_count+=$buffer; 

                echo $file_con; 

            } 

            fclose($fp);   

            exit();

}