view.dart
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import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:wow_english/common/extension/string_extension.dart';
import 'package:wow_english/models/product_entity.dart';
import '../../common/core/assets_const.dart';
import '../../common/widgets/we_app_bar.dart';
import '../../utils/image_util.dart';
import 'bloc.dart';
import 'event.dart';
import 'state.dart';
Widget buildRadioOption({
required int value,
required ImageProvider icon,
required String text,
required bool isSelected,
required ValueChanged onSelect,
}) {
return
GestureDetector(
onTap: () {
onSelect(value);
},
child: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Image(image: icon, width: 25.0.w, height: 25.0.h, fit: BoxFit.contain),
const SizedBox(width: 10.0),
Expanded(
child: Text(
text,
style: TextStyle(color: const Color(0xFF333333), fontSize: 12.5.sp),
),
),
Image(
image: isSelected
? AssetImage('checked'.assetPng)
: AssetImage('unchecked'.assetPng),
width: 22.0.w,
height: 22.0.h,
),
],
),
);
}
class ShoppingPage extends StatelessWidget {
const ShoppingPage({super.key, this.productEntity});
final ProductEntity? productEntity;
@override
Widget build(BuildContext context) {
return BlocProvider(
create: (BuildContext context) =>
ShoppingBloc(productEntity)..add(InitEvent()),
child: _ShoppingView(),
);
}
}
class _ShoppingView extends StatelessWidget {
@override
Widget build(BuildContext context) {
final bloc = BlocProvider.of<ShoppingBloc>(context);
return BlocListener<ShoppingBloc, ShoppingState>(
listener: (context, state) {
if (state is PaySuccessState) {
Navigator.pop(context);
}
},
child: Scaffold(
appBar: WEAppBar(
//标题传进来的
titleText: bloc.productData?.name ?? '',
),
body: Container(
margin: const EdgeInsets.only(left: 80.0, top: 28.0, right: 56.0),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
CachedNetworkImage(
imageUrl: bloc.productData?.detailPicUrl ?? '',
imageBuilder: (context, imageProvider) => Container(
decoration: BoxDecoration(
image: DecorationImage(
image: imageProvider,
fit: BoxFit.cover,
),
borderRadius: BorderRadius.circular(5.0),
),
),
placeholder: (context, url) =>
const CircularProgressIndicator(),
// errorWidget: (context, url, error) => const Icon(Icons.error),
height: 210.0.h,
width: 210.0.w,
),
const SizedBox(width: 35.5),
Expanded(child: _paymentWidget())
],
),
),
),
);
}
}
Widget _paymentWidget() => BlocBuilder<ShoppingBloc, ShoppingState>(
builder: (context, state) {
final bloc = BlocProvider.of<ShoppingBloc>(context);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
RichText(
text: TextSpan(
children: [
TextSpan(
text: '套餐价格：',
style:
TextStyle(color: const Color(0xFF333333), fontSize: 16.5.sp)
),
TextSpan(
text: '￥${bloc.productData?.price ?? ''}',
style:
TextStyle(color: const Color(0xFFE5262A), fontSize: 16.5.sp)
),
]
),
),
const SizedBox(height: 14.5),
Text(
'套餐名称：${bloc.productData?.name}',
style:
TextStyle(color: const Color(0xFF333333), fontSize: 16.sp),
maxLines: 2,
),
const SizedBox(height: 14.5),
Container(
padding: EdgeInsets.symmetric(horizontal: 8.w, vertical: 10.h),
decoration: BoxDecoration(
image: DecorationImage(
image: ImageUtil.getImageProviderOnDefault(
AssetsConst.bgUserInformationText),
fit: BoxFit.fill)),
child: const Text('支付方式选择',
style: TextStyle(
color: Color(0xFF333333),
fontSize: 12.5,
fontFamily: 'PingFangSC-Regular')),
),
const SizedBox(height: 18.0),
buildRadioOption(
value: PaymentChannel.wechatPay.payChannelType,
icon: AssetImage('weixin'.assetPng),
text: PaymentChannel.wechatPay.payChannelName,
isSelected: bloc.curPaymentChannel.payChannelType == PaymentChannel.wechatPay.payChannelType,
onSelect: (newValue) {
bloc.add(ChangePaymentChannelEvent(PaymentChannel.wechatPay));
},
),
const SizedBox(height: 15.0),
buildRadioOption(
value: PaymentChannel.aliPay.payChannelType,
icon: AssetImage('zhifubao'.assetPng),
text: PaymentChannel.aliPay.payChannelName,
isSelected: bloc.curPaymentChannel.payChannelType == PaymentChannel.aliPay.payChannelType,
onSelect: (newValue) {
bloc.add(ChangePaymentChannelEvent(PaymentChannel.aliPay));
},
),
const SizedBox(height: 20.0),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
RichText(
text: TextSpan(
children: [
const TextSpan(
text: '需支付：',
style:
TextStyle(color: Color(0xFF333333), fontSize: 12.5, fontFamily: 'PingFangSC-Regular')
),
TextSpan(
text: '￥${bloc.productData?.price ?? ''}',
style:
TextStyle(color: const Color(0xFFE7383B), fontSize: 41.sp, fontFamily: 'PingFangSC-Regular')
),
]
),
),
// 确认支付按钮
GestureDetector(
onTap: () {
bloc.add(DoPayEvent(bloc.productData, bloc.curPaymentChannel));
},
child: Image(
width: 105.w,
height: 45.h,
image: AssetImage('btn_pay'.assetPng),
),
)
],
),
],
);
},
);