HarmonyOS如何获取手机本地图片

getContext().resourceManager.getRawFileContent('1.png', (_err, value) => { 
  let myBuffer: ArrayBufferLike = value.buffer 
  let filePath = getContext().filesDir + "1.png"; 
  console.log("testTag-filePath:" + filePath); 
  let file = fs.openSync(filePath, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE); 
  let writeLen = fs.writeSync(file.fd, myBuffer); 
  console.info("testTag-write data to file succeed and size is:" + writeLen); 
  fs.closeSync(file); 
})