harmony(鸿蒙)文件管理子系统JS API变更

2022-08-09
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文件管理子系统JS API变更

OpenHarmony 3.1 Release版本相较于OpenHarmony 3.0 LTS版本，文件管理子系统的API变更如下:

接口变更

模块名	类名	方法/属性/枚举/常量	变更类型
ohos.statfs	Statfs	getTotalBytes(path: string, callback: AsyncCallback<number>): void; getTotalBytes(path: string): Promise<number>;	新增
ohos.statfs	Statfs	getFreeBytes(path: string, callback: AsyncCallback<number>): void; getFreeBytes(path: string): Promise<number>;	新增
ohos.fileio	Watcher	stop(): Promise<void>; stop(callback: AsyncCallback<void>): void;	新增
ohos.fileio	ReadOut	buffer: ArrayBuffer;	新增
ohos.fileio	ReadOut	offset: number;	新增
ohos.fileio	ReadOut	bytesRead: number;	新增
ohos.fileio	Stream	read(buffer: ArrayBuffer, options?: { position?: number; offset?: number; length?: number; }): Promise<ReadOut>; read(buffer: ArrayBuffer, callback: AsyncCallback<ReadOut>): void; read(buffer: ArrayBuffer, options: { position?: number; offset?: number; length?: number; }, callback: AsyncCallback<ReadOut>): void;	新增
ohos.fileio	Stream	write(buffer: ArrayBuffer \|string, options?: { offset?: number; length?: number; position?: number; encoding?: string; }): Promise<number>; write(buffer: ArrayBuffer \|string, callback: AsyncCallback<number>): void; write(buffer: ArrayBuffer \|string, options: { offset?: number; length?: number; position?: number; encoding?: string; }, callback: AsyncCallback<number>): void;	新增
ohos.fileio	Stream	flush(): Promise<void>; flush(callback: AsyncCallback<void>): void;	新增
ohos.fileio	Stream	close(): Promise<void>; close(callback: AsyncCallback<void>): void;	新增
ohos.fileio	Dir	close(): Promise<void>; close(callback: AsyncCallback<void>): void;	新增
ohos.fileio	Dir	read(): Promise<Dirent>; read(callback: AsyncCallback<Dirent>): void;	新增
ohos.fileio	fileIO	createWatcher(filename: string, events: number, callback: AsyncCallback<number>): Watcher;	新增
ohos.fileio	fileIO	write(fd: number, buffer: ArrayBuffer \|string, options?: { offset?: number; length?: number; position?: number; encoding?: string; }): Promise<number>; write(fd: number, buffer: ArrayBuffer \|string, callback: AsyncCallback<number>): void; write(fd: number, buffer: ArrayBuffer \|string, options: { offset?: number; length?: number; position?: number; encoding?: string; }, callback: AsyncCallback<number>): void;	新增
ohos.fileio	fileIO	unlink(path: string): Promise<void>; unlink(path: string, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	truncate(path: string, len?: number): Promise<void>; truncate(path: string, callback: AsyncCallback<void>): void; truncate(path: string, len: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	symlinkSync(target: string, srcPath: string): void;	新增
ohos.fileio	fileIO	symlink(target: string, srcPath: string): Promise<void>; symlink(target: string, srcPath: string, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	stat(path: string): Promise<Stat>; stat(path: string, callback: AsyncCallback<Stat>): void;	新增
ohos.fileio	fileIO	rmdir(path: string): Promise<void>; rmdir(path: string, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	rename(oldPath: string, newPath: string): Promise<void>; rename(oldPath: string, newPath: string, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	read(fd: number, buffer: ArrayBuffer, options?: { offset?: number; length?: number; position?: number; }): Promise<ReadOut> read(fd: number, buffer: ArrayBuffer, callback: AsyncCallback<ReadOut>): void; read(fd: number, buffer: ArrayBuffer, options: { offset?: number; length?: number; position?: number; }, callback: AsyncCallback<ReadOut>): void;	新增
ohos.fileio	fileIO	readTextSync(filePath: string, options?: { position?: number; length?: number; encoding?: string; }): string;	新增
ohos.fileio	fileIO	readText(filePath: string, options?: { position?: number; length?: number; encoding?: string; }): Promise<string>; readText(filePath: string, options: { position?: number; length?: number; encoding?: string; }, callback: AsyncCallback<string>): void;	新增
ohos.fileio	fileIO	opendir(path: string): Promise<Dir>; opendir(path: string, callback: AsyncCallback<Dir>): void;	新增
ohos.fileio	fileIO	open(path: string, flags?: number, mode?: number): Promise<number>; open(path: string, callback: AsyncCallback<number>): void; open(path: string, flags: number, callback: AsyncCallback<number>): void; open(path: string, flags: number, mode: number, callback: AsyncCallback<number>): void;	新增
ohos.fileio	fileIO	mkdtempSync(prefix: string): string;	新增
ohos.fileio	fileIO	mkdtemp(prefix: string): Promise<string>; mkdtemp(prefix: string, callback: AsyncCallback<string>): void;	新增
ohos.fileio	fileIO	mkdir(path: string, mode?: number): Promise<void>; mkdir(path: string, callback: AsyncCallback<void>): void; mkdir(path: string, mode: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	lstatSync(path: string): Stat;	新增
ohos.fileio	fileIO	lstat(path: string): Promise<Stat>; lstat(path: string, callback: AsyncCallback<Stat>): void;	新增
ohos.fileio	fileIO	lchownSync(path: string, uid: number, gid: number): void;	新增
ohos.fileio	fileIO	lchown(path: string, uid: number, gid: number): Promise<void>; lchown(path: string, uid: number, gid: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	hash(path: string, algorithm: string): Promise<string>; hash(path: string, algorithm: string, callback: AsyncCallback<string>): void;	新增
ohos.fileio	fileIO	fdopenStream(fd: number, mode: string): Promise<Stream>; fdopenStream(fd: number, mode: string, callback: AsyncCallback<Stream>): void;	新增
ohos.fileio	fileIO	fchmod(fd: number, mode: number): Promise<void>; fchmod(fd: number, mode: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	fchown(fd: number, uid: number, gid: number): Promise<void>; fchown(fd: number, uid: number, gid: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	fdatasyncSync(fd: number): void;	新增
ohos.fileio	fileIO	fdatasync(fd: number): Promise<void>; fdatasync(fd: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	fstat(fd: number): Promise<Stat>; fstat(fd: number, callback: AsyncCallback<Stat>): void;	新增
ohos.fileio	fileIO	fsync(fd: number): Promise<void>; fsync(fd: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	ftruncate(fd: number, len?: number): Promise<void>; ftruncate(fd: number, callback: AsyncCallback<void>): void; ftruncate(fd: number, len: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	chmod(path: string, mode: number): Promise<void>; chmod(path: string, mode: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	chown(path: string, uid: number, gid: number): Promise<void>; chown(path: string, uid: number, gid: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	createStream(path: string, mode: string): Promise<Stream>; createStream(path: string, mode: string, callback: AsyncCallback<Stream>): void;	新增
ohos.fileio	fileIO	copyFile(src: string \|number, dest: string \|number, mode?: number): Promise<void>; copyFile(src: string \|number, dest: string \|number, callback: AsyncCallback<void>): void; copyFile(src: string \|number, dest: string \|number, mode: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	close(fd: number): Promise<void>; close(fd: number, callback: AsyncCallback<void>): void;	新增
ohos.fileio	fileIO	access(path: string, mode?: number): Promise<void>; access(path: string, callback: AsyncCallback<void>): void; access(path: string, mode: number, callback: AsyncCallback<void>): void;	新增
ohos.document	document	show(uri: string, type: string): Promise<void>; show(uri: string, type: string, callback: AsyncCallback<void>): void;	新增
ohos.document	document	choose(types?: string[]): Promise<string>; choose(callback: AsyncCallback<string>): void; choose(types: string[], callback: AsyncCallback<string>): void;	新增