team2_fs/assets/Scripts/UI/Each/EachWindow.ts

import { _decorator, Component, Prefab, instantiate, UITransform } from 'cc';
import { IFDataSource, InfiniteList } from '../../core/InfiniteList/InfiniteList';
import { Http } from '../../core/net/Http';
import { g } from '../../Data/g';
import { platform } from '../../Data/platform';
import { EachWindowItem } from './EachWindowItem';
const { ccclass, property } = _decorator;

@ccclass('EachWindow')
export class EachWindow extends Component implements IFDataSource {
    @property({ type: Http, tooltip: "Http组件" }) http: Http;
    @property({ type: InfiniteList, tooltip: "列表组件" }) list: InfiniteList;
    @property({ type: Prefab, tooltip: "列表cell预制体" }) cell: Prefab;

    private prefabHeight: number;
    async start() {
        let prefab = instantiate(this.cell);
        this.prefabHeight = prefab.getComponent(UITransform).height;
        prefab.destroy();
        this.list.Init(this);
    }
    update() {
        if (g.downLoadData.needCheck) {
            g.downLoadData.needCheck = false;
            this.list.Reload();
        }
    }
    //#region  IFDataSource
    public GetCellData(dataIndex: number): any {
        return g.downLoadData.recommendData[dataIndex];
    }
    public GetCellNumber(): number {
        return g.downLoadData.recommendData.length;
    }
    public GetCellSize(index: number): number {
        return this.prefabHeight ? this.prefabHeight : 100;
    }
    public GetCellView(index: number): EachWindowItem {
        let node = instantiate(this.cell);
        return node.getComponent(EachWindowItem);
    }
    public GetCellIdentifer(index: number): string {
        return "taskWindowItem";
    }
    //#endregion
}