设置视频缓存https://docs.openharmony.cn/pages/v5.0/zh-cn/application-dev/performance/p…

…erformance-quick-switch-short-video.md

+import { AuthorListDTO, FullColumnImgUrlDTO, ReLInfoDTO, RmhInfoDTO, ShareInfoDTO,
+  UserInfoDTO,
+  VideoInfoDTO } from 'wdBean';
+
+@Observed
+export class ContentDetailModel{
+  newsId: number = 0;
+  newsTitle: string = "";
+  newsShortTitle: string= "";
+  newsDownTitle: string= "";
+  newsBodyTitle: string= "";
+  publishTime: string= "";
+  appstyle: number= 0;
+  newsType: number= 0;
+  newsSummary: string= "";
+  newsSource: string= "";
+  newsSourceName: string= "";
+  newsContent: string= "";
+  newsContentBak: string= "";
+  newsLinkUrl: string="";
+  bestNoticer: number= 0;
+  // newLinkObject?: any = null;
+  newIntroduction: string= "";
+  authorList: AuthorListDTO[]=[];
+  editorName: string="";
+  openAudio: number= 0;
+  // audioList: any[];
+  // hasPopUp?: any;
+  // popUps?: any[];
+  firstFrameImageUri: string= "";
+  reLInfo?: ReLInfoDTO | null = null;
+  fullColumnImgUrls: FullColumnImgUrlDTO[]=[];
+  shareInfo?: ShareInfoDTO | null = null;
+  // photoList: any[];
+  videoInfo: VideoInfoDTO[]=[];
+  // liveInfo?: any ;
+  // voteInfo?: any;
+  rmhInfo?: RmhInfoDTO | null = null;
+  userInfo?: UserInfoDTO | null = null;
+  openLikes: number= 0;
+  openComment: number= 0;
+  likesStyle: number= 0;
+  preCommentFlag: number= 0;
+  commentDisplay: number= 0;
+  keyArticle: number= 0;
+  rmhPlatform: number= 0;
+  readFlag?: number= 0;
+  // topicInfo?: any;
+  traceId: string= "";
+  itemId: string= "";
+  sceneId: string= "";
+  subSceneId: string= "";
+  // activityInfos: any[]=[];
+  recommendShow: number= 0;
+  visitorComment: number= 0;
+  itemTypeCode: string= "";
+  menuShow: number= 0;
+  newsTags: string= "";
+  // specialColumnId?: any;
+  specialColumnName: string= "";
+  // timeline?: any;
+
+  constructor(newsId: number, newsTitle: string, newsShortTitle: string, newsDownTitle: string, newsBodyTitle: string,
+    publishTime: string, appstyle: number, newsType: number, newsSummary: string, newsSource: string,
+    newsSourceName: string, newsContent: string, newsContentBak: string, newsLinkUrl: string, bestNoticer: number,
+    newIntroduction: string, authorList: AuthorListDTO[], editorName: string, openAudio: number,
+    firstFrameImageUri: string,fullColumnImgUrls: FullColumnImgUrlDTO[], videoInfo: VideoInfoDTO[],
+    openLikes: number, openComment: number, likesStyle: number, preCommentFlag: number,
+    commentDisplay: number, keyArticle: number, rmhPlatform: number, readFlag: number, traceId: string,
+    itemId: string, sceneId: string, subSceneId: string, recommendShow: number,
+    visitorComment: number, itemTypeCode: string, menuShow: number, newsTags: string,
+    specialColumnName: string, traceInfo: string, viewCount: number, isNewspaper: boolean, oldNewsId: string,
+    showTime: boolean, isLogin: string) {
+    this.newsId = newsId;
+    this.newsTitle = newsTitle;
+    this.newsShortTitle = newsShortTitle;
+    this.newsDownTitle = newsDownTitle;
+    this.newsBodyTitle = newsBodyTitle;
+    this.publishTime = publishTime;
+    this.appstyle = appstyle;
+    this.newsType = newsType;
+    this.newsSummary = newsSummary;
+    this.newsSource = newsSource;
+    this.newsSourceName = newsSourceName;
+    this.newsContent = newsContent;
+    this.newsContentBak = newsContentBak;
+    this.newsLinkUrl = newsLinkUrl;
+    this.bestNoticer = bestNoticer;
+    this.newIntroduction = newIntroduction;
+    this.authorList = authorList;
+    this.editorName = editorName;
+    this.openAudio = openAudio;
+    this.firstFrameImageUri = firstFrameImageUri;
+    this.fullColumnImgUrls = fullColumnImgUrls;
+    this.videoInfo = videoInfo;
+    this.openLikes = openLikes;
+    this.openComment = openComment;
+    this.likesStyle = likesStyle;
+    this.preCommentFlag = preCommentFlag;
+    this.commentDisplay = commentDisplay;
+    this.keyArticle = keyArticle;
+    this.rmhPlatform = rmhPlatform;
+    this.readFlag = readFlag;
+    this.traceId = traceId;
+    this.itemId = itemId;
+    this.sceneId = sceneId;
+    this.subSceneId = subSceneId;
+    this.recommendShow = recommendShow;
+    this.visitorComment = visitorComment;
+    this.itemTypeCode = itemTypeCode;
+    this.menuShow = menuShow;
+    this.newsTags = newsTags;
+    this.specialColumnName = specialColumnName;
+    this.traceInfo = traceInfo;
+    this.viewCount = viewCount;
+    this.isNewspaper = isNewspaper;
+    this.oldNewsId = oldNewsId;
+    this.showTime = showTime;
+    this.isLogin = isLogin;
+  }
+  traceInfo: string= "";
+  viewCount: number= 0;
+  isNewspaper: boolean = false;
+  oldNewsId: string= "";
+
+
+  // 本地字段
+  showTime:boolean = false;
+  isLogin?:string = ""
+}
\ No newline at end of file

@@ -9,7 +9,7 @@ import {
   contentListParams,
   getRecCompInfoParams
 } from 'wdDetailPlayApi/src/main/ets/request/ContentDetailRequest';
-import { NetworkUtil, Logger, WindowModel, DateTimeUtils } from 'wdKit/Index';
+import { NetworkUtil, Logger, WindowModel, DateTimeUtils, LazyDataSource } from 'wdKit/Index';
 import { PictureLoading } from './PictureLoading';
 import { DisplayDirection } from 'wdConstant/Index';
 import { window } from '@kit.ArkUI';
@@ -57,6 +57,7 @@ export struct VideoChannelDetail {
   @Consume displayDirection: DisplayDirection
   @Provide showCommentList: boolean = false
   @State data: ContentDetailDTO[] = []
+  @State dataContentDetail: LazyDataSource<ContentDetailDTO> = new LazyDataSource();
   @State currentIndex: number = 0
   @State interactDataList: InteractDataDTO[] = []
   @State totalCount: number = 0
@@ -256,6 +257,7 @@ export struct VideoChannelDetail {
         if (res.data) {
           await this.getContentInteract(list2)
           this.data = this.data.concat(res.data)
+          this.dataContentDetail.addItems(res.data)
         }
         console.log('根据视频楼层信息批量查询视频列表', JSON.stringify(res.data))
       }).finally(() => {
@@ -304,7 +306,8 @@ export struct VideoChannelDetail {
           .visibility(this.isMouted ? Visibility.None : Visibility.Visible)
 
         Swiper(this.swiperController) {
-          ForEach(this.data, (item: ContentDetailDTO, index: number) => {
+          // LazyForEach(this.data, (item: ContentDetailDTO, index: number) => {
+          LazyForEach(this.dataContentDetail, (item: ContentDetailDTO, index: number) => {
             DetailPlayShortVideoPage({
               contentDetailData: item,
               currentIndex: this.currentIndex,
@@ -314,6 +317,7 @@ export struct VideoChannelDetail {
           }, (item: ContentDetailDTO) => item.newsId + '')
         }
         .displayCount(1, true)
+        .cachedCount(3)
         .disableSwipe(this.displayDirection === DisplayDirection.VERTICAL || this.showCommentList ? false : true)
         .visibility(this.isMouted ? Visibility.Visible : Visibility.Hidden)
         .indicator(false)