coupon_history_page.dart
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import 'package:flutter/material.dart';
import 'package:flutter_easyrefresh/easy_refresh.dart';
import 'package:one_key/constant/state.dart';
import 'package:one_key/pages/coupon/coupon_item.dart';
import 'package:one_key/provider/coupon_provider.dart';
import 'package:one_key/provider/user_model.dart';
import 'package:one_key/res/colors.dart';
import 'package:one_key/widgets/page_exception.dart';
import 'package:one_key/widgets/system_app_bar.dart';
import 'package:one_key/widgets/v_empty_view.dart';
import 'package:provider/provider.dart';
/**
* 历史券
*/
class CouponHistoryPage extends StatefulWidget {
CouponHistoryPage({Key key}) : super(key: key);
@override
_CouponHistoryPageState createState() => _CouponHistoryPageState();
}
class _CouponHistoryPageState extends State<CouponHistoryPage> {
EasyRefreshController _controller = EasyRefreshController();
CouponProvider couponProvider;
///获取优惠券历史列表数据
_couponNetworkData({bool isShowLoading = true}) async {
Map<String, String> params = {
"uid": Provider.of<UserModel>(context, listen: false).user.openid,
'is_time': '1'
};
await couponProvider.getCustomerHistoryActivity(context, params,
isShowLoading: isShowLoading);
}
@override
void initState() {
// TODO: implement initState
super.initState();
WidgetsBinding.instance.addPostFrameCallback((_) {
_couponNetworkData();
});
}
@override
Widget build(BuildContext context) {
couponProvider = Provider.of<CouponProvider>(context, listen: true);
return Scaffold(
backgroundColor: MyColours.color_fefefe,
appBar: SystemAppBar(
' 历史券',
onTap: () {
Navigator.of(context).pop();
},
),
body: Consumer<CouponProvider>(
builder: (context, model, _) {
if (model.pageStateHistory != PageState.Success) {
return ExceptionPage(
pageState: model.pageStateHistory,
callback: () {
// offset = 0;
// getMessage(showLoading: true);
},
emptyMsg: "暂时没有列表信息哦",
emptyImg: "empty_search",
showMsg: "加载中，请稍后...",
);
} else {
return EasyRefresh.custom(
controller: _controller,
slivers: [
SliverList(
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
return VEmptyView(40);
}, childCount: 1),
),
SliverList(
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
return CouponItem(
from: 'history',
couponSonModel: couponProvider.couponListHistory[index],
onPressed: () {
// couponProvider.couponListHistory[index] =
// !couponProvider.couponListHistory[index];
// couponProvider.notifyListeners();
},
);
}, childCount: couponProvider.couponListHistory.length),
)
],
// onRefresh: () async {
// // offset = 0;
// // getMessage(showLoading: false);
// },
// onLoad: () async {
// // offset++;
// // getMessage(showLoading: false);
// },
);
}
},
));
}
}