team2_jj/assets/scripts/godTower/FriendList.ts

import { _decorator, Component, Node, Prefab, Sprite, SpriteFrame } from 'cc';
import { DataSystem } from '../core/data/DataSystem';
import { Http } from '../core/net/Http';
import { ResourceLoader } from '../core/resourceManager/ResourceLoader';
import List from '../core/ui/virtualList/List';
import { FriendItem } from './FriendItem';
import { GodTowerData } from './GodTowerData';
const { ccclass, property, requireComponent } = _decorator;

/**查看好友 */
@ccclass('FriendList')
@requireComponent(Http)
@requireComponent(ResourceLoader)
export class FriendList extends Component {
    @property({ type: Sprite, tooltip: "标题" })
    titleSprite: Sprite;
    @property({ type: List, tooltip: "好友列表" })
    list: List;
    @property({ type: Prefab, tooltip: "Item预制体" })
    item: Prefab;
    private data = [];
    private infoData: GodTowerData;
    start() {
        this.infoData = DataSystem.getData(GodTowerData);
    }
    public async onOpenHandler(friendlv: number = 0) {
        let img = await this.getComponent(ResourceLoader).load<SpriteFrame>(`image/friendTitle/friendLvTitle_${friendlv + 1}/spriteFrame`, SpriteFrame);
        this.titleSprite.spriteFrame = img;
        friendlv = friendlv > 4 ? 0 : friendlv;
        this.data = this.infoData[`g${friendlv + 1}Members`];
        for (let i = 0; i < this.data.length; i++) {
            this.data[i].friendLv = friendlv;
        }
        this.list.numItems = this.data.length;
    }
    /**
     * 当列表项渲染
     */
    public onListRender(item: Node, index: number) {
        item.getComponent(FriendItem).onDataChange(this.data[index]);
    }
}