arkts api9使用分享应用数据打开底部弹框分享

const filePath = `${context.filesDir + '/'}${saveName}`;// 这个是下载保存在沙盒的路径

let fileFd = fileIO.openSync(filePath, 0o102, 0o666);
let want = {
  // This action is used to implicitly match the application selctor.
  action: wantConstant.Action.ACTION_SELECT,
  // This is the custom parameter in the first layer of want
  // which is intended to add info to application selector.
  parameters: {
    // The MIME type of pdf
    "ability.picker.type": "application/pdf",
    "ability.picker.fileNames": [filePath],
    "ability.picker.fileSizes": [100 * 1024],
    // This a nested want which will be directly send to the user selected application.
    "ability.want.params.INTENT": {
      "action": "ohos.want.action.sendData",
      "type": "application/pdf",
      "parameters": {
        "keyFd": { "type": "FD", "value": fileFd }
      }
    }
  }
}
context.startAbility(want)
  .then(() => {
    console.info('Invoke getCurrentBundleStats succeeded.');
  })
  .catch((err) => {
    console.error(`Invoke startAbility failed, code is ${err.code}, message is ${err.message}`);  // 这里报异常
  });