1# 文件管理子系统JS API变更 2 3OpenHarmony 3.2 Beta1版本相较于OpenHarmony 3.1 Release版本，文件管理子系统的API变更如下: 4 5## 接口变更 6 7| 模块名 | 类名 | 方法/属性/枚举/常量 | 变更类型 | 8|---|---|---|---| 9| ohos.securityLabel | securityLabel | getSecurityLabelSync(path:string): string; | 新增 | 10| ohos.securityLabel | securityLabel | getSecurityLabel(path:string, callback: AsyncCallback\<string>): void;<br>getSecurityLabel(path:string): Promise\<string>; | 新增 | 11| ohos.securityLabel | securityLabel | setSecurityLabelSync(path:string, type:dataLevel): void; | 新增 | 12| ohos.securityLabel | securityLabel | setSecurityLabel(path:string, type:dataLevel, callback: AsyncCallback\<void>): void;<br>setSecurityLabel(path:string, type:dataLevel): Promise\<void>; | 新增 | 13| ohos.storageStatistics | storageStatistics | getFreeSize(callback: AsyncCallback\<number>): void;<br>getFreeSize(): Promise\<number>; | 新增 | 14| ohos.storageStatistics | storageStatistics | getTotalSize(callback: AsyncCallback\<number>): void;<br>getTotalSize(): Promise\<number>; | 新增 | 15| ohos.storageStatistics | storageStatistics | getUserStorageStats(userId?: number): Promise\<StorageStats>;<br>getUserStorageStats(callback: AsyncCallback\<StorageStats>): void;<br>getUserStorageStats(userId: number, callback: AsyncCallback\<StorageStats>): void; | 新增 | 16| ohos.storageStatistics | StorageStats | app: number; | 新增 | 17| ohos.storageStatistics | StorageStats | file: number; | 新增 | 18| ohos.storageStatistics | StorageStats | image: number; | 新增 | 19| ohos.storageStatistics | StorageStats | video: number; | 新增 | 20| ohos.storageStatistics | StorageStats | audio: number; | 新增 | 21| ohos.storageStatistics | StorageStats | total: number; | 新增 | 22| ohos.storageStatistics | storageStatistics | getSystemSize(callback: AsyncCallback\<number>): void;<br>getSystemSize(): Promise\<number>; | 新增 | 23| ohos.storageStatistics | storageStatistics | getCurrentBundleStats(callback: AsyncCallback\<BundleStats>): void;<br>getCurrentBundleStats(): Promise\<BundleStats>; | 新增 | 24| ohos.storageStatistics | storageStatistics | getBundleStats(packageName: string, callback: AsyncCallback\<BundleStats>): void;<br>getBundleStats(packageName: string): Promise\<BundleStats>; | 新增 | 25| ohos.storageStatistics | BundleStats | dataSize: number; | 新增 | 26| ohos.storageStatistics | BundleStats | cacheSize: number; | 新增 | 27| ohos.storageStatistics | BundleStats | appSize: number; | 新增 | 28| ohos.volumeManager | volumeManager | partition(volId: string, fstype: string, callback: AsyncCallback\<void>): void;<br>partition(volId: string, fstype: string): Promise\<void>; | 新增 | 29| ohos.volumeManager | volumeManager | format(volId: string, callback: AsyncCallback\<void>): void;<br>format(volId: string): Promise\<void>; | 新增 | 30| ohos.volumeManager | volumeManager | setVolumeDescription(uuid: string, description: string, callback: AsyncCallback\<void>): void;<br>setVolumeDescription(uuid: string, description: string): Promise\<void>; | 新增 | 31| ohos.volumeManager | volumeManager | getVolumeById(id: string, callback: AsyncCallback\<Volume>): void;<br>getVolumeById(id: string): Promise\<Volume>; | 新增 | 32| ohos.volumeManager | volumeManager | getVolumeByUuid(uuid: string, callback: AsyncCallback\<Volume>): void;<br>getVolumeByUuid(uuid: string): Promise\<Volume>; | 新增 | 33| ohos.volumeManager | volumeManager | unmount(volumeId: string, callback: AsyncCallback\<boolean>): void;<br>unmount(volumeId: string): Promise\<boolean>; | 新增 | 34| ohos.volumeManager | volumeManager | mount(volumeId: string, callback: AsyncCallback\<boolean>): void;<br>mount(volumeId: string): Promise\<boolean>; | 新增 | 35| ohos.volumeManager | volumeManager | getAllVolumes(callback: AsyncCallback\<Array\<Volume>>): void;<br>getAllVolumes(): Promise\<Array\<Volume>>; | 新增 | 36| ohos.volumeManager | Volume | path: string; | 新增 | 37| ohos.volumeManager | Volume | state: number; | 新增 | 38| ohos.volumeManager | Volume | removable: boolean; | 新增 | 39| ohos.volumeManager | Volume | description: string; | 新增 | 40| ohos.volumeManager | Volume | uuid: string; | 新增 | 41| ohos.volumeManager | Volume | id: string; | 新增 | 42 43