harmony(鸿蒙)DataUriUtils
DataUriUtils
The DataUriUtils module provides APIs to handle utility classes for objects using the DataAbilityHelper schema. You can use the APIs to attach an ID to the end of a given URI and obtain, delete, or update the ID attached to the end of a given URI.
NOTE
The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
Modules to Import
import dataUriUtils from '@ohos.ability.dataUriUtils';
dataUriUtils.getId
getId(uri: string): number
Obtains the ID attached to the end of a given URI.
System capability: SystemCapability.Ability.AbilityRuntime.Core
Parameters
| Name | Type | Mandatory | Description |
|---|---|---|---|
| uri | string | Yes | URI object from which the ID is to be obtained. |
Return value
| Type | Description |
|---|---|
| number | ID obtained from the URI object. |
Example
dataUriUtils.getId("com.example.dataUriUtils/1221")
dataUriUtils.attachId
attachId(uri: string, id: number): string
Attaches an ID to the end of a given URI.
System capability: SystemCapability.Ability.AbilityRuntime.Core
Parameters
| Name | Type | Mandatory | Description |
|---|---|---|---|
| uri | string | Yes | URI object to which an ID is to be attached. |
| id | number | Yes | ID to be attached. |
Return value
| Type | Description |
|---|---|
| string | URI object with the ID attached. |
Example
var idint = 1122;
dataUriUtils.attachId(
"com.example.dataUriUtils",
idint,
)
dataUriUtils.deleteId
deleteId(uri: string): string
Deletes the ID from the end of a given URI.
System capability: SystemCapability.Ability.AbilityRuntime.Core
Parameters
| Name | Type | Mandatory | Description |
|---|---|---|---|
| uri | string | Yes | URI object from which the ID is to be deleted. |
Return value
| Type | Description |
|---|---|
| string | URI object with the ID deleted. |
Example
dataUriUtils.deleteId("com.example.dataUriUtils/1221")
dataUriUtils.updateId
updateId(uri: string, id: number): string
Updates the ID in a given URI.
System capability: SystemCapability.Ability.AbilityRuntime.Core
Parameters
| Name | Type | Mandatory | Description |
|---|---|---|---|
| uri | string | Yes | URI object to be updated. |
| id | number | Yes | New ID. |
Return value
| Type | Description |
|---|---|
| string | URI object with the new ID. |
Example
var idint = 1122;
dataUriUtils.updateId(
"com.example.dataUriUtils",
idint
)
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