507 lines
14 KiB
Dart
507 lines
14 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:gl_dao/main_color.dart';
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import 'package:flutter_swiper_null_safety/flutter_swiper_null_safety.dart';
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import '../buy/buy.dart';
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class StoreDetailsPages extends StatefulWidget {
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const StoreDetailsPages({Key? key}) : super(key: key);
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@override
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State<StoreDetailsPages> createState() => _StoreDetailsPagesState();
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}
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class _StoreDetailsPagesState extends State<StoreDetailsPages>
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with TickerProviderStateMixin {
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// 声明滚动事件
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final ScrollController scrollController = ScrollController();
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// 顶部自定义导航透明度
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double topBarOpacity = 0.0;
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List<Map> imgList = [
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{
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"title": '1名创优品',
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"url":
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"https://pics4.baidu.com/feed/a686c9177f3e6709d8176cf9c0a30a3af8dc5508.jpeg?token=b8f66e0570589dabfd098cd47d88927b",
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},
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{
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"title": '1耐克',
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"url":
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"https://pics4.baidu.com/feed/a686c9177f3e6709d8176cf9c0a30a3af8dc5508.jpeg?token=b8f66e0570589dabfd098cd47d88927b",
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},
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{
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"title": '1百草味',
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"url":
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"https://pics4.baidu.com/feed/a686c9177f3e6709d8176cf9c0a30a3af8dc5508.jpeg?token=b8f66e0570589dabfd098cd47d88927b",
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},
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{
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"title": '1MLB',
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"url":
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"https://pics4.baidu.com/feed/a686c9177f3e6709d8176cf9c0a30a3af8dc5508.jpeg?token=b8f66e0570589dabfd098cd47d88927b",
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},
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];
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@override
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void initState() {
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super.initState();
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// 页面滚动触发改变顶部自定义导航样式透明度
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scrollController.addListener(() {
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if (scrollController.offset >= 128) {
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if (topBarOpacity != 1.0) {
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setState(() {
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topBarOpacity = 1.0;
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});
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}
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} else if (scrollController.offset <= 128 &&
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scrollController.offset >= 0) {
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if (topBarOpacity != scrollController.offset / 128) {
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setState(() {
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topBarOpacity = scrollController.offset / 128;
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});
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}
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} else if (scrollController.offset <= 0) {
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if (topBarOpacity != 0.0) {
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setState(() {
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topBarOpacity = 0.0;
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});
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}
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}
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});
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}
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@override
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void dispose() {
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: tMainBg,
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body: Stack(
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children: [
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ListView(
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controller: scrollController,
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padding: const EdgeInsets.all(0),
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children: [
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// 轮播图
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mySwiperWidget(),
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// 标题,价格，月销量
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titleWidget(),
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// 规格 服务 作者
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sizeWidget(),
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// 商品详情
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detailWidget(),
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],
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),
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// 顶部导航
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navWidget(),
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// 底部按钮
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bottomWidget(),
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// demo(0.9),
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],
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),
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);
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}
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// 自定义商品详情
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Widget detailWidget() {
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.fromLTRB(0, 16, 0, 0),
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child: Column(
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children: imgList.map((item) {
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return Image.network(
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item['url'],
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fit: BoxFit.cover,
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);
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}).toList(),
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),
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);
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}
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// 自定义规格、服务、作者
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Widget sizeWidget() {
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return Container(
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margin: const EdgeInsets.fromLTRB(16, 10, 16, 0),
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padding: const EdgeInsets.fromLTRB(16, 16, 16, 6),
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width: MediaQuery.of(context).size.width,
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decoration: const BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.all(
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Radius.circular(10),
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),
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boxShadow: [
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BoxShadow(
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color: Colors.black12,
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offset: Offset(0.0, 15.0), //阴影xy轴偏移量
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blurRadius: 15.0, //阴影模糊程度
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spreadRadius: 1.0, //阴影扩散程度
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),
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],
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),
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child: Column(
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children: [
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Container(
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width: double.infinity,
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padding: const EdgeInsets.fromLTRB(0, 6, 0, 6),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Row(
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children: const [
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Text(
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'规格',
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style: TextStyle(
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color: Colors.grey,
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),
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),
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],
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),
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Container(
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width: 250,
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alignment: Alignment.centerRight,
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child: const Text(
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'1m * 1m',
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style: TextStyle(
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color: tTextColor333,
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),
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),
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)
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],
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),
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),
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Container(
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width: double.infinity,
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padding: const EdgeInsets.fromLTRB(0, 6, 0, 6),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Row(
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children: const [
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Text(
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'服务',
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style: TextStyle(
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color: Colors.grey,
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),
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),
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],
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),
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Container(
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width: 250,
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alignment: Alignment.centerRight,
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child: const Text(
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'书画藏品',
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style: TextStyle(
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color: tTextColor333,
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),
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),
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)
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],
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),
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),
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Container(
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width: double.infinity,
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padding: const EdgeInsets.fromLTRB(0, 6, 0, 6),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Row(
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children: const [
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Text(
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'作者',
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style: TextStyle(
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color: Colors.grey,
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),
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),
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],
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),
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Container(
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width: 250,
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alignment: Alignment.centerRight,
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child: const Text(
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' - ',
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style: TextStyle(
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color: tTextColor333,
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),
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),
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)
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],
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),
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),
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],
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),
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);
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}
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// 自定义标题和销量价格
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Widget titleWidget() {
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return Container(
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padding: const EdgeInsets.only(
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top: 24,
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left: 15,
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right: 16,
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bottom: 6,
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),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const SizedBox(
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width: double.infinity,
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child: Text(
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'书画虎年大吉（1米*1米）',
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style: TextStyle(
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fontSize: 18,
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color: tTextColor333,
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fontWeight: FontWeight.w600,
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),
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strutStyle: StrutStyle(
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forceStrutHeight: true,
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height: 1,
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leading: 0.3, //行距（0.5即行高的一半）
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),
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maxLines: 2,
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),
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),
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const SizedBox(height: 10),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: const [
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Text(
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'1999',
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style: TextStyle(
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fontSize: 20,
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color: tMainRedColor,
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fontWeight: FontWeight.w600,
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),
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),
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SizedBox(width: 2),
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Padding(
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padding: EdgeInsets.only(bottom: 2),
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child: Text(
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'DT积分',
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style: TextStyle(
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fontSize: 12,
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color: tMainRedColor,
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),
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),
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),
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],
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),
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const Text(
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'月销量10',
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style: TextStyle(
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fontSize: 13,
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color: tTextColor999,
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),
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)
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],
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),
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],
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),
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);
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}
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// 顶部轮播图
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Widget mySwiperWidget() {
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return Container(
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width: MediaQuery.of(context).size.width,
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height: 390,
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decoration: const BoxDecoration(
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borderRadius: BorderRadius.all(
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Radius.circular(10.0),
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),
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color: Colors.white,
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),
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child: Swiper(
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itemBuilder: (BuildContext context, int index) {
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//每次循环遍历时，将i赋值给index imgList[index]['title'],
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return SizedBox(
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width: MediaQuery.of(context).size.width,
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height: 390,
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child: ClipRRect(
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child: Image.network(
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imgList[index]['url'],
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fit: BoxFit.cover,
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),
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),
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);
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},
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itemCount: imgList.length,
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autoplay: false,
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pagination: SwiperPagination(
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builder: DotSwiperPaginationBuilder(
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size: 6,
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color: tTextColor999.withOpacity(.4),
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activeSize: 6,
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activeColor: tMainRedColor,
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),
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),
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),
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);
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}
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// 自定义顶部导航
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Widget navWidget() {
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return Positioned(
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top: 0,
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left: 0,
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child: Container(
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width: MediaQuery.of(context).size.width,
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height: 90,
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color: tMainRedColor.withOpacity(topBarOpacity),
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padding: const EdgeInsets.only(
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top: 40,
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left: 15,
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right: 15,
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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GestureDetector(
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onTap: back,
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child: Icon(
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Icons.arrow_back_ios,
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size: 22,
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color: topBarOpacity > 0 ? Colors.white : Colors.white,
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),
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),
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Expanded(
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flex: 1,
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child: GestureDetector(
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child: Container(
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padding: const EdgeInsets.only(left: 10),
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alignment: Alignment.center,
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child: Text(
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'商品详情',
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overflow: TextOverflow.ellipsis,
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maxLines: 1,
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style: TextStyle(
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color: topBarOpacity > 0 ? Colors.white : Colors.white,
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fontSize: 18,
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fontWeight: FontWeight.w500,
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),
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),
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),
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),
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),
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GestureDetector(
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onTap: share,
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child: Icon(
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Icons.share,
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size: 22,
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color: topBarOpacity > 0 ? Colors.white : Colors.white,
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),
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),
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],
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),
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),
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);
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}
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// 自定义底部按钮
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Widget bottomWidget() {
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return Positioned(
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bottom: 0,
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child: SafeArea(
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child: Container(
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margin: const EdgeInsets.only(
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left: 16,
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right: 16,
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),
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width: MediaQuery.of(context).size.width - 32,
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height: 50,
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child: Row(
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children: [
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Container(
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width: (MediaQuery.of(context).size.width - 32) / 2,
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alignment: Alignment.center,
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child: const Text(
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'加入购物车',
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style: TextStyle(
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fontSize: 17,
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color: tTextColor666,
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fontWeight: FontWeight.w500,
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),
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),
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decoration: const BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.only(
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bottomLeft: Radius.circular(8),
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topLeft: Radius.circular(8),
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),
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),
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),
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GestureDetector(
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onTap: () {
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Get.to(const BuyPages());
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},
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child: Container(
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width: (MediaQuery.of(context).size.width - 32) / 2,
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alignment: Alignment.center,
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child: const Text(
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'立即购买',
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style: TextStyle(
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fontSize: 17,
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color: Colors.white,
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fontWeight: FontWeight.w500,
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),
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),
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decoration: const BoxDecoration(
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// color: tMainRedColor,
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gradient: LinearGradient(
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colors: [tMainRedColor, tMainRedColor],
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),
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borderRadius: BorderRadius.only(
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bottomRight: Radius.circular(8),
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topRight: Radius.circular(8),
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),
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),
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),
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),
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],
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),
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),
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),
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);
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}
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// 返回按钮
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back() {
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Get.back();
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}
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// 分享
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share() {
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// ignore: avoid_print
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print('分享');
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}
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Widget demo(double opci) {
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return ListView(
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children: [
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SizedBox(
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width: 750,
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child: Opacity(
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opacity: opci,
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child: Image.asset(
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'assets/images/detail.png',
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width: 750,
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fit: BoxFit.cover,
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alignment: Alignment.bottomCenter,
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),
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),
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)
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],
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);
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}
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}
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