function upload(blob) {
var xhr=new XMLHttpRequest();
xhr.onload=function(e) {
if(this.readyState === 4) {
console.log("Server returned: ",e.target.responseText);
}
};
var fd=new FormData();
fd.append("that_random_filename.wav",blob);
xhr.open("POST","<url>",true);
xhr.send(fd);
}
<?PHP
// get the temporary name that PHP gave to the uploaded file
$tmp_filename=$_FILES["that_random_filename.wav"]["tmp_name"];
// rename the temporary file (because PHP deletes the file as soon as it's done with it)
rename($tmp_filename,"/tmp/uploaded_audio.wav");
?>
之后，您可以播放文件/tmp/uploaded_audio.wav。
但要记住！/tmp/uploaded_audio.wav是由用户创建的www- data，（默认情况下为PHP）用户不可读。要自动添加适当的权限，请添加以下行
chmod("/tmp/uploaded_audio.wav",0755);
希望这可以帮助。
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