deleteFile method
删除文件
Implementation
Future<Object> deleteFile(String path) async {
var documentsDir = await getApplicationDocumentsDirectory();
var documentsPath = documentsDir.path;
var directory = Directory('$documentsPath/$path');
if (directory.existsSync()) {
var fileList = directory.list();
await for (FileSystemEntity fileSystemEntity in fileList) {
await fileSystemEntity.delete();
}
return fileList;
}
return [];
}