今天就跟大家聊聊有關(guān)flutter中怎么實現(xiàn)多布局列表,可能很多人都不太了解,為了讓大家更加了解,小編給大家總結(jié)了以下內(nèi)容,希望大家根據(jù)這篇文章可以有所收獲。
多布局功能代碼:
@override void initState() { // TODO: implement initState super.initState(); // 獲取網(wǎng)絡(luò)數(shù)據(jù) 一個banner 一個列表 initBannerData(); initHomeList(); } @override Widget build(BuildContext context) { Widget itemColor = Divider( color: Colors.blue, ); Widget nullColor = Divider( color: Colors.white, ); return ListView.separated( itemCount: _homeListBeanEntity.data.datas.length, itemBuilder: (BuildContext context, int index) { // 根據(jù)規(guī)則,抽取banner方法和listitem return _bannerBeanData != null && _bannerBeanData.data.length > 0&&index==0 ? bannerItem(_bannerBeanData) : listItem(_homeListBeanEntity, index); }, separatorBuilder: (BuildContext context, int index) { return index > 0 ? itemColor : nullColor; }, ); }
void initBannerData() async { result = await getNetWorkData("https://www.wanandroid.com/banner/json"); print("list=" + result); if (result.toString().length > 0) { BannerBeanEntity bannerBeanEntity = BannerBeanEntity.fromJson(json.decode(result)); if (bannerBeanEntity != null) { setState(() { _bannerBeanData = bannerBeanEntity; }); } } }getNetWorkData(String url) async { var uri = Uri.parse(url); HttpClient httpClient = new HttpClient(); HttpClientRequest request = await httpClient.getUrl(uri); HttpClientResponse httpClientResponse = await request.close(); var str = await httpClientResponse.transform(utf8.decoder).join(); print(httpClientResponse.toString()); return str; } void initHomeList() async { result =await getNetWorkData("https://www.wanandroid.com/article/list/0/json"); print("list=" + result); if (result.toString().length > 0) { HomeListBeanEntity homeListBeanEntity = HomeListBeanEntity.fromJson(json.decode(result)); if (homeListBeanEntity != null) { setState(() { _homeListBeanEntity = homeListBeanEntity; }); } } }
看完上述內(nèi)容,你們對flutter中怎么實現(xiàn)多布局列表有進一步的了解嗎?如果還想了解更多知識或者相關(guān)內(nèi)容,請關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道,感謝大家的支持。