原因:数据生成时是GBK编码,nodejs原生读取文件不支持GBK 解决:使用iconv-lite库 示例: const fs = require('fs'); // filePath为文件路径 const filePath = 'D:/demo.csv'; const stream = fs.createReadStream(filePath, { encoding: 'binary' }); let data = ''; stream.on('error', err => {...
可以使用各种命令和工具来处理和转换文本文件。当需要将以逗号分隔的CSV文件转换为以制表符分隔的TSV文件...
使用fast-csv进行同步读取文件并返回数组的示例代码如下: 代码语言:txt 复制 const fs = require('fs'); const csv = require('fast-csv'); function readCSVFile(filePath) { const dataArray = []; const stream = fs.createReadStream(filePath) .pipe(csv.parse({ headers: true })) .on('data'...
下面显示的格式是这个文本文件的格式,如果可能的话,应该删去逗号后面的空格,而不是整个字符串。 因此,当这个程序运行时,它将把内容推送到一个数组中,这个数组可以在以后的程序中用作array.map()。 Sample Text File //file.txt (Note: The main file will always be in this exact format) John Doe, 01/30...
console.log(csv[0]['姓名']);//document.getElementById('result').innerHTML = csv2table(csv);}functionloadRemoteFile(url) { readWorkbookFromRemoteFile(url,function(workbook) {//console.log(workbook);readWorkbook(workbook); }); } $(function() {//loadRemoteFile('sample/test.xlsx');//var...
<input type="file" multiple="multiple" name="file" />3、常用 MIME 类型 *.3gpp audio/3gpp, video/3gpp*.ac3 audio/ac3*.asf allpication/vnd.ms-asf*.au audio/basic*.css text/css*.csv text/csv*.doc application/msword *.dot application/msword *.dtd applic...
xhr.onload=function(e) {if(xhr.status==200) {vardata =newUint8Array(xhr.response)varworkbook =XLSX.read(data, {type:'array'});if(callback)callback(workbook); } }; xhr.send(); } 2.4导出Excel 2.4.1手写导出 导出excel文件,主要是如何生成一个sheet,我们这里写一个最简单的csv转excel示例:...
File I/O XLSX Reading XLSX Writing XLSX CSV Reading CSV Writing CSV Streaming I/O Streaming XLSX Browser Value Types Null Value Merge Cell Number Value String Value Date Value Hyperlink Value Formula Value Shared Formula Formula Type Array Formula Rich Text Value Boolean Value Error ...
T,TFile>;onError?:(error:Error)=>void;onFileLoaded:(data:Array<any>,fileInfo:IFileInfo,originalFile?:File,text?:string)=>void;}declareconstCSVReader:import("react").ForwardRefExoticComponent<CSVReaderProps<unknown,LocalFile>&import("react").RefAttributes<HTMLInputElement>>;exportdefaultCSV...
This fixes read csv file issue #991. Many thanks to Nathaniel J. Liberty for this contribution. Merged Large excels - optimize performance of writing file by excelJS + optimize generated file (MS excel opens it much faster) #1018. Many thanks to Piotr for this contribution. 3.5.0 ...