我有使用 Recorder.js 的簡(jiǎn)單 Record Wave 腳本現(xiàn)在問(wèn)題是記錄沒(méi)問(wèn)題減少到我的記錄還可以從blob下載記錄文件沒(méi)問(wèn)題上傳記錄文件（這里是問(wèn)題）操作系統(tǒng) ( windows 10 & appserv )我的上傳.php  <?php    print $_FILES["audio_data"]["tmp_name"]; //this will print out the received name, temp name, type, size, etc.    //check if upload folder exist or not    if(!is_dir("uploads")){        $res = mkdir("uploads",0777);     }    $size = $_FILES['audio_data']['size']; //the size in bytes    $input = $_FILES['audio_data']['tmp_name']; //temporary name that PHP gave to the uploaded file    $output = $_FILES['audio_data']['name'].".wav"; //letting the client control the filename is a rather bad idea    //move the file from temp name to local folder using $output name    move_uploaded_file($input, $output)    ?>我的 js 文件的一部分function createDownloadLink(blob) {    var url = URL.createObjectURL(blob);    var au = document.createElement('audio');    var li = document.createElement('li');    var link = document.createElement('a');    //name of .wav file to use during upload and download (without extendion)    var filename = new Date().toISOString();    //add controls to the <audio> element    au.controls = true;    au.src = url;    //save to disk link    link.href = url;    link.download = filename+".wav"; //download forces the browser to donwload the file using the  filename    link.innerHTML = "Save to disk";    //add the new audio element to li    li.appendChild(au);    //add the filename to the li    li.appendChild(document.createTextNode(filename+".wav "))    //add the save to disk link to li    li.appendChild(link);