desc:埋点[搜索页 - 页面浏览]

+import { DateTimeUtils } from 'wdKit/Index';
+import { TrackingPageBrowse, TrackConstants } from 'wdTracking/Index';
 import { SearchComponent } from '../components/search/SearchComponent'
 import { SearchComponent } from '../components/search/SearchComponent'
 
 
 @Entry
 @Entry
 @Component
 @Component
 struct SearchPage {
 struct SearchPage {
+  pageShowTime:number = 0;
+  pageHideTime:number = 0;
+
+  onPageShow() {
+    this.pageShowTime = DateTimeUtils.getTimeStamp()
+  }
+
+  onPageHide(): void {
+    this.pageHideTime = DateTimeUtils.getTimeStamp()
+    let duration = 0
+    duration = Math.floor((this.pageHideTime - this.pageShowTime)/1000)
+    TrackingPageBrowse.trackCommonPageExposureEnd(TrackConstants.PageName.Search,TrackConstants.PageName.Search,duration)
+  }
+
   build() {
   build() {
     Column(){
     Column(){
       SearchComponent()
       SearchComponent()