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。

摘要

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。

特性

MutableFile.name 只读

The name of the handled file.

MutableFile.type 只读

The MIME type of the handled file.

Events Handler

MutableFile.onabort
abort event is triggered each time the handled file is aborted.
MutableFile.onerror
error event is triggered each time something goes wrong.

方法

MutableFile.open()
返回 LockedFile object to read or write the associated file safely.
MutableFile.getFile()
返回 DOMRequest object. In case of success, the request's result is a File object representing a snapshot of the handled file.

规范

Not part of any specification at present.

另请参阅

元数据

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