init
This commit is contained in:
quantulr
127
lib/main.dart
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127
lib/main.dart
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import 'package:flutter/material.dart';
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import 'package:logistics_tools/order_list.dart';
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void main() {
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runApp(const MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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// This widget is the root of your application.
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Flutter Demo',
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debugShowCheckedModeBanner: false,
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theme: ThemeData(
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// This is the theme of your application.
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//
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// TRY THIS: Try running your application with "flutter run". You'll see
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// the application has a purple toolbar. Then, without quitting the app,
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// try changing the seedColor in the colorScheme below to Colors.green
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// and then invoke "hot reload" (save your changes or press the "hot
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// reload" button in a Flutter-supported IDE, or press "r" if you used
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// the command line to start the app).
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//
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// Notice that the counter didn't reset back to zero; the application
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// state is not lost during the reload. To reset the state, use hot
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// restart instead.
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//
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// This works for code too, not just values: Most code changes can be
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// tested with just a hot reload.
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.blueAccent),
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useMaterial3: true,
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),
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home: const OrderList(),
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);
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}
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}
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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// This widget is the home page of your application. It is stateful, meaning
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// that it has a State object (defined below) that contains fields that affect
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// how it looks.
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// This class is the configuration for the state. It holds the values (in this
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// case the title) provided by the parent (in this case the App widget) and
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// used by the build method of the State. Fields in a Widget subclass are
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// always marked "final".
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final String title;
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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int _counter = 0;
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void _incrementCounter() {
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setState(() {
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// This call to setState tells the Flutter framework that something has
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// changed in this State, which causes it to rerun the build method below
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// so that the display can reflect the updated values. If we changed
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// _counter without calling setState(), then the build method would not be
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// called again, and so nothing would appear to happen.
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_counter++;
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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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// This method is rerun every time setState is called, for instance as done
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// by the _incrementCounter method above.
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//
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// The Flutter framework has been optimized to make rerunning build methods
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// fast, so that you can just rebuild anything that needs updating rather
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// than having to individually change instances of widgets.
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return Scaffold(
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appBar: AppBar(
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// TRY THIS: Try changing the color here to a specific color (to
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// Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
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// change color while the other colors stay the same.
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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// Here we take the value from the MyHomePage object that was created by
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// the App.build method, and use it to set our appbar title.
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title: Text(widget.title),
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),
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body: Center(
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// Center is a layout widget. It takes a single child and positions it
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// in the middle of the parent.
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child: Column(
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// Column is also a layout widget. It takes a list of children and
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// arranges them vertically. By default, it sizes itself to fit its
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// children horizontally, and tries to be as tall as its parent.
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//
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// Column has various properties to control how it sizes itself and
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// how it positions its children. Here we use mainAxisAlignment to
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// center the children vertically; the main axis here is the vertical
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// axis because Columns are vertical (the cross axis would be
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// horizontal).
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//
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// TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
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// action in the IDE, or press "p" in the console), to see the
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// wireframe for each widget.
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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const Text(
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'You have pushed the button this many times:',
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),
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Text(
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'$_counter',
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style: Theme.of(context).textTheme.headlineMedium,
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),
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],
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),
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),
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floatingActionButton: FloatingActionButton(
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onPressed: _incrementCounter,
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tooltip: 'Increment',
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child: const Icon(Icons.add),
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), // This trailing comma makes auto-formatting nicer for build methods.
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);
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}
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}
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123
lib/order_list.dart
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123
lib/order_list.dart
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@ -0,0 +1,123 @@
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import 'dart:ffi';
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import 'dart:io';
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import 'package:excel/excel.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/material.dart';
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class OrderList extends StatefulWidget {
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const OrderList({super.key});
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@override
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State<OrderList> createState() => _OrderListState();
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}
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class _OrderListState extends State<OrderList> {
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final List lst = [];
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List<String> headers = [];
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ScrollController scrollController = ScrollController();
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Colors.white,
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title: const Text("test"),
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actions: [
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IconButton(
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onPressed: () {
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importExcelFile();
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},
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icon: const Icon(Icons.add_circle)),
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IconButton(onPressed: () {}, icon: const Icon(Icons.output))
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],
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),
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body: Container(
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width: double.infinity,
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// color: Colors.white,
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padding: const EdgeInsets.all(20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Card(
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color: Colors.white,
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margin: EdgeInsets.zero,
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child: headers.isNotEmpty
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? Scrollbar(
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controller: scrollController,
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child: SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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padding: const EdgeInsets.all(12.0),
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child: DataTable(
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columns: headers.map((el) {
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return DataColumn(label: Text(el));
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}).toList() /*const [
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DataColumn(
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label: Text(
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"下单时间",
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)),
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DataColumn(
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label: Text(
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"物流公司",
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)),
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DataColumn(
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label: Text(
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"付款方式",
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)),
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DataColumn(
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label: Text(
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"金额",
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)),
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DataColumn(
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label: Text(
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"物流包裹",
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)),
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DataColumn(
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label: Text(
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"操作",
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textAlign: TextAlign.center,
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)),
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]*/
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,
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rows: [], /* rows: [
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DataRow(cells: [
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const DataCell(Text("2024-01-12")),
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const DataCell(Text("圆通速递")),
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const DataCell(Text("套餐券")),
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const DataCell(Text("12")),
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DataCell(ElevatedButton(
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onPressed: () {}, child: const Text("编辑包裹"))),
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DataCell(ElevatedButton(
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onPressed: () {}, child: const Text("编辑"))),
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]),
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]*/
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),
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))
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: Text("empty"),
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)
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],
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),
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));
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}
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Future<String> importExcelFile() async {
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FilePickerResult? result = await FilePicker.platform
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.pickFiles(type: FileType.custom, allowedExtensions: ["xlsx", "xls"]);
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if (result != null) {
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File file = File(result.files.single.path!);
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var bytes = file.readAsBytesSync();
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Excel excel = Excel.decodeBytes(bytes);
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String tableKey = excel.tables.keys.first;
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List<String> _headers = excel.tables[tableKey]?.rows.first.map((el) {
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return el?.value.toString() ?? "";
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}).toList() ??
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[];
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setState(() {
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headers = _headers;
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});
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} else {
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// 取消选择
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}
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return "";
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}
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}
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