HarmonyOS 新增申请权限编译失败

filepicker中持久化权限仅在2in1设备上生效;

当前所有picker的save接口都是用户可感知的。如果希望简化操作可以使用DOWNLOAD模式保存文件

参考链接：

https://developer.huawei.com/consumer/cn/doc/harmonyos-guides-V5/save-user-file-V5#download模式保存文件

参考demo：

import picker from '@ohos.file.picker';
import fs from '@ohos.file.fs';
import { BusinessError } from '@ohos.base';
import common from '@ohos.app.ability.common';

@Entry
@Component
struct Page {
  testDownLoad(){
    let uri: string = '';
    // 请确保 getContext(this) 返回结果为 UIAbilityContext
    let context = getContext(this) as common.Context;
    const documentViewPicker = new picker.DocumentViewPicker(context);
    const documentSaveOptions = new picker.DocumentSaveOptions();
    documentSaveOptions.pickerMode = picker.DocumentPickerMode.DOWNLOAD;
    documentViewPicker.save(documentSaveOptions ).then((documentSaveResult: Array<string>) => {
      uri = documentSaveResult[0];
      console.info('documentViewPicker.save succeed and uri is:' + uri);
    }).catch((err: BusinessError) => {
      console.error(Invoke documentViewPicker.save failed, code is ${err.code}, message is ${err.message});
    })
  }
  build() {
    Column() {
      Text('测试下载').onClick(()=>{
        this.testDownLoad()
      })
    }
  }
}
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