desc:埋点[关注列表(我的)-页面浏览（浏览时长传空值）]

 import { Params } from 'wdBean';
 import { FollowFirstTabsComponent } from '../mine/follow/FollowFirstTabsComponent'
 import router from '@ohos.router';
+import { DateTimeUtils } from 'wdKit/Index';
+import { TrackingPageBrowse, TrackConstants } from 'wdTracking/Index';
 
 @Entry
 @Component
 struct FollowListPage {
   @State params:Record<string, string> =  router.getParams() as Record<string, string>;
   @State curIndex: string = '0';
+  pageShowTime:number = 0;
+  pageHideTime:number = 0;
 
   onPageShow() {
     this.curIndex = this.params?.['index'];
+    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.My_Follow,TrackConstants.PageName.My_Follow,duration)
   }
 
   build() {

@@ -76,7 +76,7 @@ export struct MinePageComponent {
       }else{
         duration = (this.pageHideTime - this.pageFirstCreateTime)/1000
       }
-      TrackingPageBrowse.trackCommonPageExposureEnd(TrackConstants.PageName.My,TrackConstants.PageName.My,duration)
+      TrackingPageBrowse.trackCommonPageExposureEnd(TrackConstants.PageName.My,TrackConstants.PageName.My,Math.floor(duration))
     }
   }