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+# DeviceSettingsManager
+
+> 说明：本模块首批接口从API version 9 开始支持。后续版本的新增接口，采用上角标单独标记接口的起始版本。
+
+这个类提供管理Settings的API，仅企业设备管理员应用才能调用。
+
+**系统能力：** SystemCapability.Customization.EnterpriseDeviceManager
+
+**示例：**
+
+```js
+let deviceSettingsManager : enterpriseDeviceManager.DeviceSettingsManager
+```
+
+## DeviceSettingsManager.setDateTime
+
+setDateTime(admin: Want, time: number, callback: AsyncCallback<void>): void;
+
+设置系统时间，使用callback形式返回结果。
+
+**需要权限：**
+
+ohos.permission.EDM_MANAGE_DATETIME
+
+**系统能力：** SystemCapability.Customization.EnterpriseDeviceManager
+
+**参数：**
+
+| 参数名   | 类型                                  | 必填   | 说明      |
+| ----- | ----------------------------------- | ---- | ------- |
+| admin | [Want](js-apis-application-Want.md) | 是    | 设备管理员应用 |
+| time  | number | 是 | 时间戳(ms) |
+| callback | AsyncCallback<void> | 是 | callback形式返回结果 |
+
+**示例：**
+
+```js
+let wantTemp = {
+    bundleName: "bundleName",
+    abilityName: "abilityName",
+};
+enterpriseDeviceManager.getDeviceSettingsManager().then((mgr) => {
+    mgr.setDateTime(wantTemp, 1526003846000, (error, value) => { 
+        if (error != null) {
+            console.log(error);
+        } else {
+            console.log(value);
+        }
+    });
+}).catch((error) => {
+    console.log(error);
+})
+```
+
+## eDeviceSettingsManager.setDateTime
+
+setDateTime(admin: Want, time: number): Promise<void>;
+
+设置系统时间，使用Promise形式返回。
+
+**需要权限：**
+
+ohos.permission.EDM_MANAGE_DATETIME
+
+**系统能力：** SystemCapability.Customization.EnterpriseDeviceManager
+
+**参数：**
+
+| 参数名   | 类型                                  | 必填   | 说明      |
+| ----- | ----------------------------------- | ---- | ------- |
+| admin | [Want](js-apis-application-Want.md) | 是    | 设备管理员应用 |
+| time  | number | 是 | 时间戳(ms) |
+
+**返回值：**
+
+| 类型   | 说明                                  |
+| ----- | ----------------------------------- |
+| Promise<void> | 返回Promise对象 |
+
+
+**示例：**
+
+```js
+let wantTemp = {
+    bundleName: "bundleName",
+    abilityName: "abilityName",
+};
+enterpriseDeviceManager.getDeviceSettingsManager().then((mgr) => {
+    mgr.setDateTime(wantTemp, 1526003846000).then((value) => {
+        console.log(value);
+    }).catch((error) => {
+        console.log(error);
+    })
+}).catch((error) => {
+    console.log(error);
+})
+```