ArrayBuffer怎样转字符串

import { buffer } from '@kit.ArkTS';
/**
 * ArrayBuffer转字符串
 * @param str
 * @returns
 */
static bufferToStr(src: ArrayBuffer, encoding: buffer.BufferEncoding = 'utf-8'): string {
  let buf = buffer.from(src);
  let result = buf.toString(encoding);
  return result;
}