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+import 'dart:async';
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+import 'dart:convert';
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+import 'dart:io';
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+
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+import 'package:bbyyy/beans/alipay_result_bean_entity.dart';
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+import 'package:bbyyy/beans/pay_by_alipay_bean_entity.dart';
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+import 'package:bbyyy/beans/smart_order_bean_entity.dart';
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+import 'package:bbyyy/https/MyDio.dart';
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+import 'package:bbyyy/https/my_request.dart';
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+import 'package:bbyyy/my_tools/const.dart';
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+import 'package:bbyyy/my_tools/dims.dart';
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+import 'package:bbyyy/my_tools/easy_loading/easy_loading.dart';
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+import 'package:bbyyy/my_tools/event_bus.dart';
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+import 'package:bbyyy/my_tools/my_colors.dart';
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+import 'package:bbyyy/my_tools/my_cookie.dart';
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+import 'package:bbyyy/my_tools/my_tools.dart';
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+import 'package:bbyyy/my_tools/my_views.dart';
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+import 'package:bbyyy/pay/pay_tools.dart';
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+import 'package:flutter/material.dart';
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+import 'package:flutter_svg/flutter_svg.dart';
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+import 'package:tobias/tobias.dart';
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+
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+class AlipayPage extends StatefulWidget {
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+ int orderUID;
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+
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+ AlipayPage(this.orderUID);
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+
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+ @override
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+ _AlipayPageState createState() => _AlipayPageState();
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+}
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+
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+class _AlipayPageState extends State<AlipayPage> with WidgetsBindingObserver {
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+ var titles = ['正在支付', '支付成功', '支付失败'];
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+ var icons = ['images/svg/等待.svg', 'images/svg/成功.svg', 'images/svg/失败.svg'];
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+ var content = ['正在支付，请稍后…', '支付成功，即将自动跳转…', '支付失败'];
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+ int status = 0;
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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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+ WidgetsBinding.instance.addObserver(this);
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+ Future.delayed(Duration(seconds: 1), () {
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+ pay();
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+ });
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+ }
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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: Colors.white,
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+ body: Column(
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+ children: [
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+ MyViews().myAppBar(titles[status], context, []),
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+ Expanded(
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+ child: Center(
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+ child: Column(
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+ children: [
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+ Container(
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+ height: 10,
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+ color: MyColors.cF7F7F7,
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+ ),
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+ Expanded(
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+ child: Column(
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+ children: [
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+ SvgPicture.asset(
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+ icons[status],
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+ height: 94,
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+ width: 94,
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+ ),
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+ Container(
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+ margin: EdgeInsets.only(top: 30),
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+ child: Text(
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+ content[status],
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+ style: TextStyle(
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+ color: MyColors.c666666, fontSize: 15),
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+ ),
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+ ),
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+ ],
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+ mainAxisAlignment: MainAxisAlignment.center,
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+ ),
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+ ),
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+ Expanded(child: Container()),
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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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+ pay() {
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+ payOrder(payWayAliPay, widget.orderUID, (re, hE) {
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+ if (!hE) {
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+ PayByAlipayBeanEntity entity =
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+ PayByAlipayBeanEntity().fromJson(json.decode(re.data.toString()));
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+ EventBus().on('alipayPaymentCallback', (arg) {
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+ EventBus().off('alipayPaymentCallback');
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+ EasyLoading.dismiss();
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+ showToast('支付成功');
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+ EventBus().emit('reNoPayOrder');
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+ // Navigator.pop(context);
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+ });
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+ print(entity.data);
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+ EasyLoading.instance
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+ ..contentPadding = EdgeInsets.symmetric(horizontal: 20, vertical: 12)
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+ ..alignment = Alignment.center
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+ ..loadingStyle = EasyLoadingStyle.light
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+ ..contentMargin = EdgeInsets.all(20);
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+ EasyLoading.show();
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+ aliPay(entity.data).then((value) {
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+ print(json.encode(value));
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+ AlipayResultBeanEntity e = AlipayResultBeanEntity()
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+ .fromJson(json.decode(json.encode(value)));
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+ try {
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+ int r = int.parse(e.resultStatus);
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+ if (r == 9000) {
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+ showToast('支付成功');
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+ // Navigator.pop(context);
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+ setState(() {
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+ status = 1;
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+ });
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+ } else {
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+ showToast(aliPayResultStatus(r));
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+ revokePayOrder(widget.orderUID);
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+ setState(() {
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+ status = 2;
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+ });
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+ }
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+ } catch (e) {
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+ EasyLoading.dismiss();
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+ }
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+ });
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+ }
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+ }, (e) {}, context);
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+ }
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+
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+ @override
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+ void didChangeAppLifecycleState(AppLifecycleState state) {
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+ super.didChangeAppLifecycleState(state);
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+ if (state == AppLifecycleState.paused) {
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+ print('AlipayPage went to Background');
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+ count = 0;
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+ status = 0;
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+ setState(() {});
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+ }
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+ if (state == AppLifecycleState.resumed) {
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+ print('AlipayPage came back to Foreground');
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+ if(Platform.isIOS){
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+ count = 10;
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+ checkIfTheOrderIsPaid();
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+ }
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+ }
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+ }
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+
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+ int count = 0;
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+
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+ void checkIfTheOrderIsPaid() {
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+ MyDio().query({
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+ "key": "order",
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+ "filters": {
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+ "conditions": ["uid == ${widget.orderUID}"]
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+ },
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+ "dims": orderDims,
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+ "paging": [1, 1]
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+ }, (response, hasError) {
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+ if (!hasError) {
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+ SmartOrderBeanEntity entity = SmartOrderBeanEntity()
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+ .fromJson(json.decode(response.data.toString()));
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+ if (entity.data.data[0].state == orderStatePaid) {
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+ status = 1;
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+ setState(() {});
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+ // Timer(Duration(seconds: 1), () {
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+ // Navigator.pop(context, '支付成功');
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+ // });
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+ } else {
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+ if (count != 0) {
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+ Timer(Duration(seconds: 1), () {
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+ count--;
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+ checkIfTheOrderIsPaid();
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+ });
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+ } else {
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+ count = 10;
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+ status = 2;
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+ setState(() {});
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+ }
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+ }
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+ }
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+ }, (error) {});
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+ }
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+}
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huxiaoqiang
