Javascript 在angularjs中上传文件时,有没有办法获得音频持续时间

Javascript 在angularjs中上传文件时,有没有办法获得音频持续时间,javascript,html,angularjs,ng-file-upload,Javascript,Html,Angularjs,Ng File Upload,Html文件:用于选择mp3文件的代码 $scope.files = []; $scope.audioFileURL = []; $scope.audioFile = $scope.files.concat(document.getElementById('musicFile').files[0]); 音频 Angularjs代码 $scope.files = []; $scope.audioFileURL = []; $scope.audioFile = $scope.files.con

Html文件:用于选择mp3文件的代码

$scope.files = [];
$scope.audioFileURL = [];
$scope.audioFile = $scope.files.concat(document.getElementById('musicFile').files[0]);

音频
Angularjs代码

$scope.files = [];
$scope.audioFileURL = [];
$scope.audioFile = $scope.files.concat(document.getElementById('musicFile').files[0]);

您是否尝试过
document.getElementById(“musicFile”).files[0]。持续时间