Flutter Excel Library is a feature-rich, high-performance file-format library that lets you add robust Excel functionalities to Flutter applications. It allows you to create Excel documents programmatically with text, numbers, date-time values, styles, number formats, formulas, images, charts, hyperl...
首先,新建一个页面,中间放置一个 ElevatedButton,用于读取本地 excel 文件。 然后,给按钮增加点击事件处理方法: ElevatedButton( onPressed: () { // _pickExcelFile(); _pickExcelFile(); }, child: const Text('Import'), ), 1. 2. 3. 4. 5. 6. 7. 其中_pickExcelFile方法的实现如下: _pickExce...
import 'package:excel/excel.dart'; void renameExcelSheet(String filePath, String sheetName, String newSheetName) { var excel = Excel.createExcel(); excel.open(filePath); var sheet = excel[sheetName]; sheet.name = newSheetName; excel.rename(sheetName, newSheetName); excel.save(filePath)...
import'dart:io';import'package:open_file/open_file.dart';import'package:path_provider/path_provider.dart'; Include the following code snippet to create an Excel document in mobile. Future<void>_createExcel()async{// Create a new Excel Document.finalWorkbookworkbook=Workbook();// Accessing works...
要将Excel文件保存到设备,可以按照以下步骤进行操作: 导入所需的库和依赖项: 代码语言:txt 复制 import 'package:excel/excel.dart'; import 'package:universal_html/html.dart' as html; 创建一个Excel对象并添加数据: 代码语言:txt 复制 var excel = Excel.createExcel(); var sheet = excel['Sheet1']...
Create New XLSX File // automatically creates 1 empty sheet: Sheet1varexcel=Excel.createExcel(); Update Cell values /** sheetObject.updateCell(cell, value, { CellStyle (Optional)});* sheetObject created by calling - // Sheet sheetObject = excel['SheetName'];* cell can be identified with...
import 'package:flutter/material.dart'; import 'package:flutter_filereader/flutter_filereader.dart'; class FileReaderPage extends StatefulWidget { final String filePath; FileReaderPage({Key: Key, this.filePath}); @override _FileReaderPageState createState() => _FileReaderPageState(); } class _FileR...
importpandasaspdimportjson# JSON data to be converted to Excel#data = {# "reply_expand_comments": "展開{value}條評論",# "profile_post_create": "發佈一則動態,讓大家看到你"#}withopen('app_zh_Hant.arb','r')asfile:# 读取并解析JSON数据data=json.load(file)# Creating a DataFrame from th...
saveSync(); workbook.dispose(); File('MergeUnMerge.xlsx').writeAsBytes(bytes);Apply Built-in StyleThe following code snippet explains how to add builtInStyle for a worksheet range.// Create a new Excel document. final Workbook workbook = Workbook(); // Accessing worksheet via index. final...
上一篇博文介绍了Flutter 如何读取 excel 文件,这一篇我们来介绍如何操作数据库。 Flutter 提供了三种数据持久化方式: 将KV 值存储到硬盘:shared_preferences 读取和写入文件:Read and write files 数据库:sqflite。 这篇要介绍的就是操作数据库的组件sqflite。