zhiying_base_widget/lib/pages/test_page/test_page.dart

import 'package:flutter/material.dart';
import 'package:zhiying_base_widget/widgets/home/home_goods/home_goods_item_single.dart';
import 'package:zhiying_base_widget/widgets/home/home_goods/models/home_goods_model.dart';
import 'package:zhiying_base_widget/widgets/home/home_goods/models/home_goods_style_model.dart';
import 'package:zhiying_comm/util/net_util.dart';

class TestPage extends StatefulWidget {
  @override
  _TestPageState createState() => _TestPageState();
}

class _TestPageState extends State<TestPage> {
  List<HomeGoodsModel> _goods;
  HomeGoodsStyleModel _styleModel;

  @override
  void initState() {
    NetUtil.request('/api/v1/rec/featured?page=3', method: NetMethod.GET,
        onSuccess: (data) {
      List goods = data['good'];
      _styleModel = HomeGoodsStyleModel(
        listColumn: '1',
        // recommendList,
        providerNameColor: '#ffffff',
        providerNameBackgroundColor: '#ff4242',
        shopNameColor: '#ffffff',
        shopIcon: '',
        couponFontColor: '#ffffff',
        couponBgColor: '#ff4242',
        commissionFontColor: '#ffffff',
        commissionBgColor: '#ff4242',
        marketPriceColor: '#ffffff',
        currentPriceColor: '#ff4242',
      );
      _goods = goods.map((e) {
        return HomeGoodsModel.fromJson(Map<String, dynamic>.from(e));
      }).toList();
      setState(() {});
    });
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: Text('测试'),
        ),
        body: CustomScrollView(
          slivers: <Widget>[
            SliverFixedExtentList(
              itemExtent: 200.0,
              delegate: new SliverChildBuilderDelegate(
                (BuildContext context, int index) {
                  //创建列表项
                  return HomeGoodsItemSingle(
                      _goods[index % _goods.length], _styleModel);
                },
                childCount: (_goods?.length ?? 0) * 2000, //50个列表项
              ),
            ),
            // SliverToBoxAdapter(
            //   child: ListView.builder(
            //       shrinkWrap: true,
            //       physics: NeverScrollableScrollPhysics(),
            //       itemCount: (_goods?.length ?? 0) * 20,
            //       itemBuilder: (context, index) {
            //         return HomeGoodsItemSingle(
            //             _goods[index % _goods.length], _styleModel);
            //       }),
            // )
          ],
        ));
  }
}