feature:add sync api

Signed-off-by: wangtong <wangtong94@huawei.com>

api/@ohos.systemDateTime.d.ts

@@ -84,6 +84,16 @@ declare namespace systemDateTime {
    */
   function getCurrentTime(isNano?: boolean): Promise<number>;
 
+  /**
+   * Obtains the number of timestamp that have elapsed since the Unix epoch.
+   *
+   * @param { boolean } [ isNanoseconds ] - True if the result is in nanoseconds, otherwise in milliseconds
+   * @returns { number } The timestamp returned of getTime.
+   * @syscap SystemCapability.MiscServices.Time
+   * @since 10
+   */
+  function getTime(isNanoseconds?: boolean): number;
+
   /**
    * Obtains the number of milliseconds elapsed since the system was booted, not including deep sleep time.
    *
@@ -148,6 +158,42 @@ declare namespace systemDateTime {
    */
   function getRealTime(isNano?: boolean): Promise<number>;
 
+  /**
+   * Indicates time type.
+   *
+   * @enum { number } TimeType
+   * @syscap SystemCapability.MiscServices.Time
+   * @since 10
+   */
+  enum TimeType {
+    /**
+     * Indicates the time elapsed since the system was booted, including deep sleep time.
+     *
+     * @syscap SystemCapability.MiscServices.Time
+     * @since 10
+     */
+    STARTUP,
+
+    /**
+     * Indicates the time elapsed since the system was booted, not including deep sleep time.
+     *
+     * @syscap SystemCapability.MiscServices.Time
+     * @since 10
+     */
+    ACTIVE
+  }
+
+  /**
+   * Obtains the number of milliseconds since the system has been running.
+   *
+   * @param { TimeType } timeType - indicates the type of get uptime.
+   * @param { boolean } [ isNanoseconds ] - True if the result is in nanoseconds, otherwise in milliseconds
+   * @returns { number } The timestamp returned of getUpTime.
+   * @syscap SystemCapability.MiscServices.Time
+   * @since 10
+   */
+  function getUptime(timeType: TimeType, isNanoseconds?: boolean): number;
+
   /**
    * Sets the system time.
    *
@@ -160,6 +206,8 @@ declare namespace systemDateTime {
    * @syscap SystemCapability.MiscServices.Time
    * @systemapi Hide this for inner system use
    * @since 9
+   * @deprecated since 10
+   * @useinstead systemDateTime.setTime
    */
   function setDate(date: Date, callback: AsyncCallback<void>): void;
 
@@ -175,6 +223,8 @@ declare namespace systemDateTime {
    * @syscap SystemCapability.MiscServices.Time
    * @systemapi Hide this for inner system use
    * @since 9
+   * @deprecated since 10
+   * @useinstead systemDateTime.setTime
    */
   function setDate(date: Date): Promise<void>;
 
@@ -185,6 +235,8 @@ declare namespace systemDateTime {
    * @throws { BusinessError } 401 - Invalid parameters
    * @syscap SystemCapability.MiscServices.Time
    * @since 9
+   * @deprecated since 10
+   * @useinstead new Date()
    */
   function getDate(callback: AsyncCallback<Date>): void;
 
@@ -195,6 +247,8 @@ declare namespace systemDateTime {
    * @throws { BusinessError } 401 - Invalid parameters
    * @syscap SystemCapability.MiscServices.Time
    * @since 9
+   * @deprecated since 10
+   * @useinstead new Date()
    */
   function getDate(): Promise<Date>;
 
@@ -247,6 +301,15 @@ declare namespace systemDateTime {
    * @since 9
    */
   function getTimezone(): Promise<string>;
+
+  /**
+   * Obtains the system time zone.
+   *
+   * @returns { string } The timezone returned of getTimezoneSync.
+   * @syscap SystemCapability.MiscServices.Time
+   * @since 10
+   */
+  function getTimezoneSync(): string;
 }
 
 export default systemDateTime;