已废弃
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
概述
这个 FileRequest 接口继承自 DOMRequest 接口，用来提供一些 LockedFile 对象需要的额外的必要的属性。
属性
FileRequest.lockedFile只读- 请求产生的
LockedFile对象。 FileRequest.onprogressFileRequest在处理操作过程中不断调用的一个回调函数的引用。
FileRequest 接口也继承了 DOMRequest 接口。
DOMRequest.onsuccess- A callback handler called when the operation represented by the
DOMRequestis completed. DOMRequest.onerror- A callback handler that gets called when an error occurs while processing the operation.
DOMRequest.readyState- A
stringindicating whether or not the operation is finished running. Its value is either "done" or "pending". DOMRequest.result- The operation's result.
DOMRequest.error- Error information, if any.
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方法
无。
Specifications
| Specification | Status | Comment |
|---|---|---|
| FileSystem API | Editor's Draft | Draft proposal. |