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@@ -8,21 +8,27 @@ import 'package:dio/dio.dart'; |
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import 'package:flutter/material.dart';
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import 'package:flutter_picker/Picker.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'package:one_key/provider/user_model.dart';
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import 'package:one_key/res/colors.dart';
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import 'package:one_key/widgets/round_button.dart';
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import 'package:one_key/widgets/system_app_bar.dart';
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import 'package:one_key/widgets/v_empty_view.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:provider/provider.dart';
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import '../../../../app.dart';
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import '../../../../net/dio_util.dart';
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import '../../../../utils/dialog_util.dart';
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import '../../../../utils/screen_util.dart';
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import '../../../../utils/utils.dart';
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import '../../../../widgets/h_empty_view.dart';
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import 'package:flutter_downloader/flutter_downloader.dart';
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import 'package:android_path_provider/android_path_provider.dart';
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// import 'package:flutter_downloader/flutter_downloader.dart';
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// import 'package:android_path_provider/android_path_provider.dart';
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import 'package:open_file/open_file.dart';
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import 'package:excel/excel.dart' as excelUtil;
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import '../../../../widgets/loading.dart';
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/**
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* 导出预订数据
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@@ -43,11 +49,11 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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List<String> data = ['到店时间', '下单时间'];
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int timeIndex;
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ReceivePort _port = ReceivePort();
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// ReceivePort _port = ReceivePort();
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String _localPath;
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String taskId;
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DownloadTaskStatus status;
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// DownloadTaskStatus status;
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int progress;
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@override
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@@ -181,21 +187,21 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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super.dispose();
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}
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@pragma('vm:entry-point')
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static void downloadCallback(
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String id,
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int status,
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int progress,
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) {
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final SendPort send =
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IsolateNameServer.lookupPortByName('downloader_send_port');
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send.send([id, status, progress]);
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}
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// @pragma('vm:entry-point')
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// static void downloadCallback(
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// String id,
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// int status,
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// int progress,
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// ) {
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// final SendPort send =
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// IsolateNameServer.lookupPortByName('downloader_send_port');
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// send.send([id, status, progress]);
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// }
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// 根据taskId打开下载文件
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Future<bool> _openDownloadedFile(taskId) {
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return FlutterDownloader.open(taskId: taskId);
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}
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// // 根据taskId打开下载文件
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// Future<bool> _openDownloadedFile(taskId) {
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// return FlutterDownloader.open(taskId: taskId);
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// }
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// void _bindBackgroundIsolate() {
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// final isSuccess = IsolateNameServer.registerPortWithName(
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@@ -270,17 +276,17 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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// }
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// });
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// }
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Future<void> _delete() async {
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final task = await FlutterDownloader.loadTasks();
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if (task != null) {
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task.forEach((element) {
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FlutterDownloader.remove(
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taskId: element.taskId,
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shouldDeleteContent: true,
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);
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});
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}
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}
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// Future<void> _delete() async {
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// final task = await FlutterDownloader.loadTasks();
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// if (task != null) {
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// task.forEach((element) {
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// FlutterDownloader.remove(
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// taskId: element.taskId,
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// shouldDeleteContent: true,
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// );
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// });
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// }
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// }
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Future<void> _prepareSaveDir() async {
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_localPath = (await _getSavedDir());
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...
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@@ -299,9 +305,10 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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// } catch (err, st) {
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// print('failed to get downloads path: $err, $st');
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// if()/
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final directory = await getExternalStorageDirectory();
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externalStorageDirPath = directory?.path;
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// }
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} else if (Platform.isIOS) {
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externalStorageDirPath =
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(await getApplicationDocumentsDirectory()).absolute.path;
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@@ -325,6 +332,23 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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return true;
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}
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if (Platform.isAndroid) {
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// try {
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// externalStorageDirPath = await AndroidPathProvider.downloadsPath;
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// } catch (err, st) {
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// print('failed to get downloads path: $err, $st');
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// if()/
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PermissionStatus permissionStatus = await Permission.storage.status;
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if (permissionStatus != PermissionStatus.permanentlyDenied) {
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//全局提示权限使用目的
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BuildContext context = App.navigatorKey.currentState.overlay.context;
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DialogUtil.showAuthorityDestination(
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context, 'h_storage', '存储权限使用说明', '用于存储下载的预订表。');
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}
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}
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final result = await Permission.storage.request();
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return result == PermissionStatus.granted;
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}
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...
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@@ -332,9 +356,9 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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throw StateError('unknown platform');
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}
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void _unbindBackgroundIsolate() {
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IsolateNameServer.removePortNameMapping('downloader_send_port');
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}
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// void _unbindBackgroundIsolate() {
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// IsolateNameServer.removePortNameMapping('downloader_send_port');
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// }
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///时间选择
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Widget _select(String title, String hintText, GestureTapCallback onTap) {
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@@ -418,6 +442,86 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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return data;
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}
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void _download() async {
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Loading.showLoading(
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context,
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);
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Stopwatch stopwatch = new Stopwatch()..start();
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excelUtil.Excel excel = excelUtil.Excel.createExcel();
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excelUtil.Sheet sh = excel['Sheet1'];
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//表头
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for (int i = 0; i < 8; i++) {
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sh
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.cell(
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excelUtil.CellIndex.indexByColumnRow(rowIndex: 0, columnIndex: i))
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.value = 'Column $i';
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//sh.cell(CellIndex.indexByColumnRow(rowIndex: 0, columnIndex: i)).cellStyle =CellStyle(bold: true);
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}
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for (int row = 1; row < 9; row++) {
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for (int column = 0; column < 8; column++) {
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sh
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.cell(excelUtil.CellIndex.indexByColumnRow(
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rowIndex: row, columnIndex: column))
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.value = '$row$column value';
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}
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}
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print('Generating executed in ${stopwatch.elapsed}');
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stopwatch.reset();
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var fileBytes = excel.encode();
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print('Encoding executed in ${stopwatch.elapsed}');
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stopwatch.reset();
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String sellername =
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Provider.of<UserModel>(context, listen: false).user.sellername;
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String starttime = fromDate.replaceAll('-', '');
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String endtime = endDate.replaceAll('-', '');
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if (fileBytes != null) {
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File file =
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File(_localPath + "/${sellername}${starttime}至${endtime}预订.xlsx")
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..createSync(recursive: true)
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..writeAsBytesSync(fileBytes);
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file.copy('/storage/emulated/0/Download/dongle.xlsx');
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Loading.hideLoading(context);
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DialogUtil.cupertinoAlertDialog(context,
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title: '提示',
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content: '文件下载完成，是否打开？',
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lTitle: '取消',
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rTitle: '打开', lCallback: () {
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progress = null;
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setState(() {});
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}, rCallback: () async {
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// Navigator.pop(context);
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// print(_localPath);
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// final tasks = await FlutterDownloader.loadTasks();
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// String str = '';
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// tasks.forEach((element) {
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// str = element.savedDir + '/' + element.filename;
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// });
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// print(str);
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// if (str != '') {
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// print(savePath);
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// progress = null;
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// setState(() {});
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OpenFile.open(
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_localPath + "/${sellername}${starttime}至${endtime}预订.xlsx");
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// _delete();
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// }
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});
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} else {
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Loading.hideLoading(context);
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}
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print('Downloaded executed in ${stopwatch.elapsed}');
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}
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Future<bool> openSetting() {
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return openAppSettings();
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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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...
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@@ -554,87 +658,98 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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fontSize: 32,
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isBold: true,
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onPressed: () async {
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if (progress != null) {
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// if (progress != null) {
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// return;
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// }
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if (timeType == '点击选择') {
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Utils.showToast('请选择时间类型');
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return;
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}
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if (fromDate == '点击选择') {
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Utils.showToast('请选择开始日期');
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return;
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}
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if (endDate == '点击选择') {
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Utils.showToast('请选择结束日期');
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return;
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}
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bool _permissionReady = await _checkPermission();
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if (_permissionReady) {
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await _prepareSaveDir();
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}
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// _delete();
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String savePath = _localPath + "/fff.pdf";
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Directory directory = new Directory(savePath);
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if (directory.existsSync()) {
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//删除历史
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final List<FileSystemEntity> files = directory.listSync();
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for (FileSystemEntity file in files) {
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file.deleteSync();
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}
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}
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try {
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Response response = await DioUtil().download(
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'http://englishonlineclub.com/pdf/iOS%20Programming%20-%20The%20Big%20Nerd%20Ranch%20Guide%20(6th%20Edition)%20[EnglishOnlineClub.com].pdf',
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savePath, onProgress: (received, total) {
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if (progress != 100) {
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progress = ((received / total) * 100).round();
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setState(() {});
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}
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if (received == total) {
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//下载完成
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print('xaizaiwancheng');
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DialogUtil.cupertinoAlertDialog(context,
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title: '提示',
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content: '文件下载完成，是否打开？',
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lTitle: '取消',
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rTitle: '打开', lCallback: () {
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progress = null;
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setState(() {});
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}, rCallback: () async {
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// Navigator.pop(context);
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// print(_localPath);
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// final tasks = await FlutterDownloader.loadTasks();
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// String str = '';
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// tasks.forEach((element) {
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// str = element.savedDir + '/' + element.filename;
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// });
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// print(str);
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// if (str != '') {
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print(savePath);
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progress = null;
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setState(() {});
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OpenFile.open(savePath);
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// _delete();
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// }
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});
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}
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_download();
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} else {
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String title = Platform.isAndroid ? '存储' : '相册';
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//用户选择不在弹出权限提示框
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print('never');
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// Navigator.pop(context);
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DialogUtil.openAlertDialog(context, '未获得${title}权限',
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"请在手机的权限管理里，将${title}权限开启", '去设置', 340.0, onTap: () {
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openSetting();
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Navigator.pop(context, '');
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});
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print(response);
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} catch (e) {
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print(e);
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Utils.showToast('下载异常，请稍后重试');
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}
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// taskId = await FlutterDownloader.enqueue(
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// url:
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// _delete();
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// String savePath = _localPath + "/fff.pdf";
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// Directory directory = new Directory(savePath);
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// if (directory.existsSync()) {
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// //删除历史
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// final List<FileSystemEntity> files = directory.listSync();
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// for (FileSystemEntity file in files) {
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// file.deleteSync();
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// }
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// }
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// try {
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// Response response = await DioUtil().download(
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// 'http://englishonlineclub.com/pdf/iOS%20Programming%20-%20The%20Big%20Nerd%20Ranch%20Guide%20(6th%20Edition)%20[EnglishOnlineClub.com].pdf',
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// headers: {
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// // 'auth': 'test_for_sql_encoding'
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// }, // optional: header send with url (auth token etc)
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// savedDir: _localPath,
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// saveInPublicStorage: true,
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// // fileName:
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// // // showNotification:
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// // // true, // show download progress in status bar (for Android)
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// // openFileFromNotification:
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// // true, // click on notification to open downloaded file (for Android)
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// );
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// savePath, onProgress: (received, total) {
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|
|
// if (progress != 100) {
|
|
|
|
// progress = ((received / total) * 100).round();
|
|
|
|
|
|
|
|
// setState(() {});
|
|
|
|
// }
|
|
|
|
// if (received == total) {
|
|
|
|
// //下载完成
|
|
|
|
// print('xaizaiwancheng');
|
|
|
|
|
|
|
|
// DialogUtil.cupertinoAlertDialog(context,
|
|
|
|
// title: '提示',
|
|
|
|
// content: '文件下载完成，是否打开？',
|
|
|
|
// lTitle: '取消',
|
|
|
|
// rTitle: '打开', lCallback: () {
|
|
|
|
// progress = null;
|
|
|
|
// setState(() {});
|
|
|
|
// }, rCallback: () async {
|
|
|
|
// // Navigator.pop(context);
|
|
|
|
|
|
|
|
// // print(_localPath);
|
|
|
|
|
|
|
|
// // final tasks = await FlutterDownloader.loadTasks();
|
|
|
|
// // String str = '';
|
|
|
|
// // tasks.forEach((element) {
|
|
|
|
// // str = element.savedDir + '/' + element.filename;
|
|
|
|
// // });
|
|
|
|
// // print(str);
|
|
|
|
|
|
|
|
// // if (str != '') {
|
|
|
|
// print(savePath);
|
|
|
|
// progress = null;
|
|
|
|
// setState(() {});
|
|
|
|
// OpenFile.open(savePath);
|
|
|
|
// // _delete();
|
|
|
|
// // }
|
|
|
|
// });
|
|
|
|
// }
|
|
|
|
// });
|
|
|
|
// print(response);
|
|
|
|
// } catch (e) {
|
|
|
|
// print(e);
|
|
|
|
// Utils.showToast('下载异常，请稍后重试');
|
|
|
|
// }
|
|
|
|
},
|
|
|
|
)
|
|
|
|
],
|
...
|
...
|
|
