我正在使用ngCordova Capture记录音频并通过REST发送Base64代码。虽然我能够使“Capture Audio”正常工作,但是一旦它返回音频URI,我就无法从文件系统中获取Base64数据。以下是我的代码:
$cordovaCapture.captureAudio(options).then(function(audioURI) {
$scope.post.tracId = $scope.tracId;
$scope.post.type = 'audio';
console.log('audioURI:');
console.log(audioURI);
var path = audioURI[0].localURL;
console.log('path:');
console.log(path);
window.resolveLocalFileSystemURL(path, function(fileObj) {
var reader = new FileReader();
console.log('fileObj:');
console.log(fileObj);
reader.onloadend = function (event) {
console.log('reader.result:');
console.log(reader.result);
console.log('event.result:');
console.log(event.result);
}
reader.onload = function(event2) {
console.log('event2.result:');
console.log(event2.target.result);
};
reader.readAsDataURL(fileObj);
console.log(fileObj.filesystem.root.nativeURL + ' ' + fileObj.name);
$cordovaFile.readAsDataURL(fileObj.filesystem.root.nativeURL, fileObj.name)
.then(function (success) {
console.log('success:');
console.log(success);
}, function (error) {
// error
});
});
以下是控制台日志输出:
那么我该如何从.wav文件中获取base64数据呢?
我一直在阅读这些链接:
PhoneGap FileReader/readAsDataURL未触发回调
https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsDataURL
http://jsfiddle.net/eliseosoto/JHQnk/
http://community.phonegap.com/nitobi/topics/filereader_onload_not_working_with_phonegap_build_2_5_0