287 lines
14 KiB
Dart
287 lines
14 KiB
Dart
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/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:go_router/go_router.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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List<List<dynamic>> _data = [];
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late Excel _excel;
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ScrollController scrollController = ScrollController();
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final TextEditingController _logComController =
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TextEditingController(text: "");
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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("订单列表"),
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actions: [
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ElevatedButton(
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onPressed: () {
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importExcelFile();
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},
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child: const Row(
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children: [Icon(Icons.add_circle), Text("导入")],
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)),
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const SizedBox(
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width: 4,
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),
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ElevatedButton(
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onPressed: () {
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exportExcelFile();
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},
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child: const Row(
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children: [Icon(CupertinoIcons.download_circle), Text("导出")],
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)),
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const SizedBox(
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width: 4,
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),
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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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padding: const EdgeInsets.all(20),
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child: _headers.isNotEmpty
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? 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: /*Scrollbar(
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// controller: scrollController,
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child:*/
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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(),
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rows: _data.asMap().entries.map((row) {
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return DataRow(
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cells: row.value.asMap().entries.map((col) {
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String colTitle = _headers[col.key];
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return DataCell(colTitle == "物流名称"
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? Row(
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children: [
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Text("${col.value}"),
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IconButton(
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// padding: EdgeInsets.all(2),
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iconSize: 12,
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onPressed: () {
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_logComController.text =
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_data[row.key][col.key]
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.toString();
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showDialog(
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context: context,
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builder: (BuildContext
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context) =>
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AlertDialog(
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// icon: const Icon(Icons.edit),
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title: const Text(
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"填写物流公司"),
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content: Column(
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mainAxisSize:
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MainAxisSize.min,
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children: [
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TextField(
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decoration:
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const InputDecoration(
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labelText:
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"物流公司"),
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controller:
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_logComController,
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)
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],
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),
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actions: [
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ElevatedButton(
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onPressed: () {
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context.pop();
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},
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child: const Text(
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"取消")),
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ElevatedButton(
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onPressed: () {
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String
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logisticsCom =
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_logComController
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.text;
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if (logisticsCom
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.isEmpty) {
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ScaffoldMessenger.of(
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context)
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.showSnackBar(const SnackBar(
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content:
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Text("请输入物流公司")));
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return;
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}
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final data =
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_data;
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_data[row.key][
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col.key] =
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logisticsCom;
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setState(() {
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_data = data;
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});
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context.pop();
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},
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child: const Text(
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"确认")),
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],
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));
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},
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icon: const Icon(Icons.edit))
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],
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)
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: colTitle == "物流信息"
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? Row(
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children: [
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_data[row.key][col.key]
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.toString()
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.isNotEmpty
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? SizedBox(
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width: 120,
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child: Text(
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_data[row.key][col.key].toString(),
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overflow:
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TextOverflow.ellipsis,
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),
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)
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: const SizedBox(),
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ElevatedButton(
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onPressed: () {
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String orderNumber =
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_data[row.key][2]
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.toString();
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String orderPayWay =
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_data[row.key][15]
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.toString();
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if (orderPayWay.isEmpty ||
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orderNumber.isEmpty) {
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ScaffoldMessenger.of(context)
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.showSnackBar(
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const SnackBar(
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content: Text(
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"该行数据有误")));
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return;
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}
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context.pushNamed("logistics",
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queryParameters: {
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"orderNumber":
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_data[row.key][2]
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.toString(),
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"orderPayWay":
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_data[row.key][15]
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.toString(),
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}).then((value) {
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if (value != null) {
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var newData = _data;
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newData[row.key][col.key] =
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value;
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setState(() {
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_data = newData;
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});
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}
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});
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},
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child: const Text("填写"),
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)
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],
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)
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: Text("${col.value}"));
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}).toList());
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}).toList(),
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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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: const Center(
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child: Icon(CupertinoIcons.cloud_upload),
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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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_excel = excel;
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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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List<List<dynamic>> data = excel.tables[tableKey]?.rows
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.where((el) => (el.first?.value?.toString() ?? "").isNotEmpty)
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.toList()
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.sublist(1)
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.map((row) {
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return row.map((col) {
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return col?.value ?? "";
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}).toList();
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}).toList() ??
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[];
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setState(() {
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_headers = headers;
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_data = data;
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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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exportExcelFile() async {
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_data.asMap().entries.forEach((row) {
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row.value.asMap().entries.forEach((col) {
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int rowIndex = row.key + 1;
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int colIndex = col.key;
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if (colIndex == 11 || colIndex == 12) {
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_excel.updateCell(
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"订单列表",
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CellIndex.indexByColumnRow(
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columnIndex: colIndex, rowIndex: rowIndex),
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TextCellValue(col.value.toString()));
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}
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});
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});
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var fileBytes = _excel.save();
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String? directory =
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await FilePicker.platform.getDirectoryPath(dialogTitle: "选择保存位置");
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if (directory == null || directory.isEmpty) {
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return;
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}
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File("$directory\\导出订单${DateTime.now().millisecondsSinceEpoch}.xlsx")
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..createSync(recursive: true)
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..writeAsBytesSync(fileBytes!);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
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content: Text("导出文件成功"),
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backgroundColor: Colors.green,
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));
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}
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}
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}
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