harmony(鸿蒙)公共基础库子系统JS API变更

2022-10-28
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公共基础库子系统JS API变更

OpenHarmony 3.2 Beta3版本相较于OpenHarmony 3.2 Beta2版本，公共基础库子系统的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.buffer	Blob	text(): Promise<string>;	新增
ohos.buffer	Blob	slice(start?: number, end?: number, type?: string): Blob;	新增
ohos.buffer	Blob	arrayBuffer(): Promise<ArrayBuffer>;	新增
ohos.buffer	Blob	type: string;	新增
ohos.buffer	Blob	size: number;	新增
ohos.buffer	Blob	constructor(sources: string[] \|ArrayBuffer[] \|TypedArray[] \|DataView[] \|Blob[] , options?: Object);	新增
ohos.buffer	Buffer	writeUIntLE(value: number, offset: number, byteLength: number): number;	新增
ohos.buffer	Buffer	writeUIntBE(value: number, offset: number, byteLength: number): number;	新增
ohos.buffer	Buffer	writeUInt32LE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeUInt32BE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeUInt16LE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeUInt16BE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeUInt8(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeIntLE(value : number, offset: number, byteLength: number): number;	新增
ohos.buffer	Buffer	writeIntBE(value: number, offset: number, byteLength: number): number;	新增
ohos.buffer	Buffer	writeInt32LE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeInt32BE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeInt16LE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeInt16BE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeInt8(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeFloatLE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeFloatBE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeDoubleLE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeDoubleBE(value: number, offset?: number): number;	新增
ohos.buffer	Buffer	writeBigUInt64LE(value: bigint, offset?: number): number;	新增
ohos.buffer	Buffer	writeBigUInt64BE(value: bigint, offset?: number): number;	新增
ohos.buffer	Buffer	writeBigInt64LE(value: bigint, offset?: number): number;	新增
ohos.buffer	Buffer	writeBigInt64BE(value: bigint, offset?: number): number;	新增
ohos.buffer	Buffer	write(str: string, offset?: number, length?: number, encoding?: string): number;	新增
ohos.buffer	Buffer	toString(encoding?: string, start?: number, end?: number): string;	新增
ohos.buffer	Buffer	toJSON(): Object;	新增
ohos.buffer	Buffer	swap64(): Buffer;	新增
ohos.buffer	Buffer	swap32(): Buffer;	新增
ohos.buffer	Buffer	swap16(): Buffer;	新增
ohos.buffer	Buffer	subarray(start?: number, end?: number): Buffer;	新增
ohos.buffer	Buffer	readUIntLE(offset: number, byteLength: number): number;	新增
ohos.buffer	Buffer	readUIntBE(offset: number, byteLength: number): number;	新增
ohos.buffer	Buffer	readUInt32LE(offset?: number): number;	新增
ohos.buffer	Buffer	readUInt32BE(offset?: number): number;	新增
ohos.buffer	Buffer	readUInt16LE(offset?: number): number;	新增
ohos.buffer	Buffer	readUInt16BE(offset?: number): number;	新增
ohos.buffer	Buffer	readUInt8(offset?: number): number;	新增
ohos.buffer	Buffer	readIntLE(offset: number, byteLength: number): number;	新增
ohos.buffer	Buffer	readIntBE(offset: number, byteLength: number): number;	新增
ohos.buffer	Buffer	readInt32LE(offset?: number): number;	新增
ohos.buffer	Buffer	readInt32BE(offset?: number): number;	新增
ohos.buffer	Buffer	readInt16LE(offset?: number): number;	新增
ohos.buffer	Buffer	readInt16BE(offset?: number): number;	新增
ohos.buffer	Buffer	readInt8(offset?: number): number;	新增
ohos.buffer	Buffer	readFloatLE(offset?: number): number;	新增
ohos.buffer	Buffer	readFloatBE(offset?: number): number;	新增
ohos.buffer	Buffer	readDoubleLE(offset?: number): number;	新增
ohos.buffer	Buffer	readDoubleBE(offset?: number): number;	新增
ohos.buffer	Buffer	readBigUInt64LE(offset?: number): bigint;	新增
ohos.buffer	Buffer	readBigUInt64BE(offset?: number): bigint;	新增
ohos.buffer	Buffer	readBigInt64LE(offset?: number): bigint;	新增
ohos.buffer	Buffer	readBigInt64BE(offset?: number): bigint;	新增
ohos.buffer	Buffer	lastIndexOf(value: string \|number \|Buffer \|Uint8Array, byteOffset?: number, encoding?: BufferEncoding): number;	新增
ohos.buffer	Buffer	entries(): IterableIterator<[number, number]>;	新增
ohos.buffer	Buffer	values(): IterableIterator<number>;	新增
ohos.buffer	Buffer	keys(): IterableIterator<number>;	新增
ohos.buffer	Buffer	indexOf(value: string \|number \|Buffer \|Uint8Array, byteOffset?: number, encoding?: BufferEncoding): number;	新增
ohos.buffer	Buffer	includes(value: string \|number \|Buffer \|Uint8Array, byteOffset?: number, encoding?: BufferEncoding): boolean;	新增
ohos.buffer	Buffer	equals(otherBuffer: Uint8Array \|Buffer): boolean;	新增
ohos.buffer	Buffer	copy(target: Buffer \|Uint8Array, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;	新增
ohos.buffer	Buffer	compare(target: Buffer \|Uint8Array, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): -1 \|0 \|1;	新增
ohos.buffer	Buffer	fill(value: string \|Buffer \|Uint8Array \|number, offset?: number, end?: number, encoding?: BufferEncoding): Buffer;	新增
ohos.buffer	Buffer	byteOffset: number;	新增
ohos.buffer	Buffer	buffer: ArrayBuffer;	新增
ohos.buffer	Buffer	length: number;	新增
ohos.buffer	buffer	function transcode(source: Buffer \|Uint8Array, fromEnc: string, toEnc: string): Buffer;	新增
ohos.buffer	buffer	function compare(buf1: Buffer \|Uint8Array, buf2: Buffer \|Uint8Array): -1 \|0 \|1;	新增
ohos.buffer	buffer	function isEncoding(encoding: string):boolean;	新增
ohos.buffer	buffer	function isBuffer(obj: Object): boolean;	新增
ohos.buffer	buffer	function from(array: number[]): Buffer; function from(arrayBuffer: ArrayBuffer \|SharedArrayBuffer, byteOffset?: number, length?: number): Buffer; function from(buffer: Buffer \|Uint8Array): Buffer; function from(object: Object, offsetOrEncoding: number \|string, length: number): Buffer; function from(string: String, encoding?: BufferEncoding): Buffer;	新增
ohos.buffer	buffer	function concat(list: Buffer[] \|Uint8Array[], totalLength?: number): Buffer;	新增
ohos.buffer	buffer	function byteLength(string: string \|Buffer \|TypedArray \|DataView \|ArrayBuffer \|SharedArrayBuffer, encoding?: BufferEncoding): number;	新增
ohos.buffer	buffer	function allocUninitialized(size: number): Buffer;	新增
ohos.buffer	buffer	function allocUninitializedFromPool(size: number): Buffer;	新增
ohos.buffer	buffer	function alloc(size: number, fill?: string \|Buffer \|number, encoding?: BufferEncoding): Buffer;	新增
ohos.util	TextDecoder	decodeWithStream(input: Uint8Array, options?: { stream?: boolean }): string;	新增
ohos.util	util	function parseUUID(uuid: string): Uint8Array;	新增
ohos.util	util	function randomBinaryUUID(entropyCache?: boolean): Uint8Array;	新增
ohos.util	util	function randomUUID(entropyCache?: boolean): string;	新增
ohos.worker	DedicatedWorkerGlobalScope	postMessage(messageObject: Object, transfer: Transferable[]): void; postMessage(messageObject: Object, options?: PostMessageOptions): void; postMessage(messageObject: Object, transfer: ArrayBuffer[]): void;	废弃