非标
此特征是非标准的,且不在标准轨道中。不要在面向 Web 的生产站点中使用它:它不适用于每个用户。实现之间可能存在大的不兼容性,且行为将来可能改变。
IDBMutableFile
interface provides access in read or write mode to a file, dealing with all the necessary locks.
注意
: This interface used to be called
FileHandle
, but it was changed to this (
bug 1006485
)。
As
IDBMutableFile
objects are bound to a fake file system built on top of IndexedDB, such an object is created using the
IDBDatabase.createMutableFile
方法。
MutableFile.name
只读
The name of the handled file.
MutableFile.type
只读
The MIME type of the handled file.
MutableFile.onabort
abort
event is triggered each time the handled file is aborted.
MutableFile.onerror
error
event is triggered each time something goes wrong.
MutableFile.open()
LockedFile
object to read or write the associated file safely.
MutableFile.getFile()
DOMRequest
object. In case of success, the request's result is a
File
object representing a snapshot of the handled file.
Not part of any specification at present.
IDBMutableFile
FileError
FileException
FileHandle
FileRequest
FileSystem
FileSystemDirectoryEntry
FileSystemDirectoryEntrySync
FileSystemDirectoryReader
FileSystemDirectoryReaderSync
FileSystemEntry
FileSystemEntrySync
FileSystemFileEntry
FileSystemFileEntrySync
FileSystemFlags
FileSystemSync
HTMLInputElement
LocalFileSystem
LocalFileSystemSync
LockedFile
元数据
Window.requestFileSystem()
Window.resolveLocalFileSystemURL()