const picker = new photoAccessHelper.PhotoViewPicker();
const result = await picker.select({ 
  MIMEType: photoAccessHelper.PhotoViewMIMETypes.IMAGE_TYPE,
  maxSelectNumber: 1 
});

"reqPermissions": [
  {
    "name": "ohos.permission.READ_MEDIA_IMAGES",
    "reason": "用于讀取系統(tǒng)相冊(cè)圖片"
  }
]

const hasPermission = await bundleManager.hasPermission(
  'ohos.permission.READ_MEDIA_IMAGES'
);
if (!hasPermission) {
  const grantResult = await bundleManager.requestPermissionsFromUser(
    ['ohos.permission.READ_MEDIA_IMAGES']
  );
}

const tempPath = result.photoUris[0];
const destPath = `${fileio.getAppFilesDir()}/image_${Date.now()}.jpg`;
await fileio.copy(tempPath, destPath);

const buffer = await fileio.readFileSync(destPath);
const imageSource = image.createImageSource(buffer);
const packer = image.createImagePacker();
const compressedBuffer = await packer.packing(imageSource, {
  format: 'jpeg',
  quality: 50
});

const formData = new http.MultiFormData();
formData.append('file', compressedBuffer, {
  filename: 'upload.jpg',
  contentType: 'image/jpeg'
});

const options = {
  method: http.RequestMethod.POST,
  url: 'https://api.example.com/upload',
  multiFormDataList: [formData]
};

const response = await http.createHttp().request(options);
if (response.statusCode === 200) {
  console.log('上傳成功');
}

try {
  // 發(fā)送請(qǐng)求
} catch (error) {
  console.error('上傳失敗:', error.message);
}

// 選擇圖片
async selectImage() {
  const picker = new photoAccessHelper.PhotoViewPicker();
  const result = await picker.select({ maxSelectNumber: 1 });
  this.handleUpload(result.photoUris[0]);
}
// 處理上傳
async handleUpload(uri) {
  // 權(quán)限檢查
  if (!await this.checkPermission()) return;
  // 壓縮圖片
  const compressedBuffer = await this.compressImage(uri);
  // 構(gòu)建請(qǐng)求
  const formData = new http.MultiFormData();
  formData.append('file', compressedBuffer, {
    filename: 'upload.jpg',
    contentType: 'image/jpeg'
  });
  // 發(fā)送請(qǐng)求
  const response = await http.createHttp().request({
    method: http.RequestMethod.POST,
    url: 'https://api.example.com/upload',
    multiFormDataList: [formData]
  });
  // 處理響應(yīng)
  if (response.statusCode === 200) {
    message.showToast('上傳成功');
  }
}
// 權(quán)限檢查
async checkPermission() {
  const hasPerm = await bundleManager.hasPermission(
    'ohos.permission.READ_MEDIA_IMAGES'
  );
  if (!hasPerm) {
    const grantResult = await bundleManager.requestPermissionsFromUser([
      'ohos.permission.READ_MEDIA_IMAGES'
    ]);
    return grantResult[0] === bundleManager.PermissionState.GRANTED;
  }
  return true;
}