php MP3文件下载功能的实现

服务器端：
functiondownload(){ 
$full_path = 'pro/mp3/demo.mp3';

 $file_size = filesize($full_path);

 header("Content-type:audio/mpeg");
 header("Accept-Ranges:bytes");
 header("Accept-Length:$file_size");
 header("Content-Disposition:attachment;filename=demo.mp3");
 readfile($full_path);
exit();
}

客户端：
function down_mp3($url, $data){
       //curl下载文件
        $ch =curl_init();
       
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);       
        curl_setopt($ch, CURLOPT_HEADER, FALSE);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        $mp3 = curl_exec($ch);
        if (curl_errno($ch)) {
            echo 'Errno'.curl_error($ch);
        }
        
        curl_close($ch);
        //保存文件到指定路径
        file_put_contents("f:/voice/test.mp3" , $mp3);

        unset($mp3);
}