js-xlsx | 易学教程

SheetJS: Do Not Include Headers In json_to_sheet

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问题 The SheetJS documentation shows a way to take a JSON Object and convert it to an Excel sheet. From their example: var ws = XLSX.utils.json_to_sheet([ {S:1,h:2,e:3,e_1:4,t:5,J:6,S_1:7}, {S:2,h:3,e:4,e_1:5,t:6,J:7,S_1:8} ], {header:["S","h","e","e_1","t","J","S_1"]}); By default, the header information is Object.keys. The output looks like this in excel: My question: how do I leave out the header when converting from Json_to_sheet? I do not want the header in my output, only the numbers in the

Javascript Read Excel file on server with SheetJS

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问题 I am using a library called SheetJS and I want to read an excel sheet that resides on the server without using nodejs, only pure javascript. Is this possible? There is a message in the documentation that says "readFile is only available in server environments. Browsers have no API for reading arbitrary files given a path, so another strategy must be used" With the above message, I assume the author is referring to a situation where the file is residing on the client side. This is what I have

How to write into a particular cell using xlsx npm package

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问题 I have to write a value to a particular cell (say the D4 cell) in my xlsm file. I can see the option of XLSX.writeFile(workbook, 'out.xlsx'); in https://www.npmjs.com/package/xlsx#writing-functions to write , but I am not seeing anything to write a value to a particular cell(where should the values which needs to be written passed ?). Or, it is not as clear as the example provided to read a particular cell value. Would be glad if someone could provide me a simple example of snippet. This is

Reading local Excel file with js-xlsx using Angular 9?

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问题 I have my Angular-CLI frontend development server running locally on localhost:4200 For specific reasons I need to get a local Excel file stored on my PC, read its content and make some calls to an API. And it must be from the client side . I'm trying to use js-xlsx, got it installed with npm install xlsx but I can't find how to get the file and read its content. How can I import a local excel file with js-xlsx in Angular 9? Note: If it is possible/easier using pure JavaScript it is also

jQuery--Excel插件js-xlsx

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参考博客：http://www.jianshu.com/p/74d405940305 github地址： SheetJS / js-xlsx js引入 <script type="text/javascript" src="~/Content/js-xlsx/xlsx.full.min.js"></script> 读取方法 /* FileReader共有4种读取方法： 1.readAsArrayBuffer(file)：将文件读取为ArrayBuffer。 2.readAsBinaryString(file)：将文件读取为二进制字符串 3.readAsDataURL(file)：将文件读取为Data URL 4.readAsText(file, [encoding])：将文件读取为文本，encoding缺省值为'UTF-8' */ var wb;//读取完成的数据 var rABS; //是否将文件读取为二进制字符串 function fixdata(data) { //文件流转BinaryString var o = "", l = 0, w = 10240; for (; l < data.byteLength / w; ++l) o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w, l *

Angular 7 only visible rows of paginated data table of angular material 6 are exported instead of the whole array using xlsx library

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问题 I need to export an angular material data table into excel file, using xlsx library. The issue is that, if I am using pagination within the data table, and on export, only the visible rows are exported: exportTable() { //let data = Object.values(this.dataSource); const ws: xlsx.WorkSheet=xlsx.utils.table_to_sheet(this.table.nativeElement); const wb: xlsx.WorkBook = xlsx.utils.book_new(); xlsx.utils.book_append_sheet(wb, ws, 'All Data Export'); /* save to file */ xlsx.writeFile(wb,

Read and write a xlsm file using exceljs package npm

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问题 I have a xlsm file with few data already in it and need to write some data and create a new xlsm file during automation. With below code the file gets created , but it becomes corrupt and unable to open. File size reduces, for ex from 8kb to 7kb. Not sure what is getting missed while writing the file. var Excel = require('exceljs'); var workbook = new Excel.Workbook(); workbook.xlsx.readFile('Book.xlsm') .then(function () { var worksheet = workbook.getWorksheet(1); var row = worksheet.getRow

Convert HTML table to Excel file in pure JavaScript using sheets.js plugin [duplicate]

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问题 This question already has an answer here : Uncaught TypeError: method is not a function (1 answer) Closed last year . I couldn't find an existing question/answers on Stack Overflow for my particular issue so I'm posting this. I have an application written in HTML and jQuery/JavaScript. I need to export an HTML table into an Excel sheet using the jsxlsx (sheetsjs) plugin. I tried replicating their example to convert HTML table to Excel but the program errors out. Here's what I currently have:

alasql requires xlsx which is already included

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问题 I am trying to export data to an excel sheet using alasql and xlsx . I have followed all the guidelines here: https://github.com/agershun/alasql/wiki/Xlsx This is my function: exportToExcel(data: any) { console.log(XLSX.version); alasql .promise('SELECT * INTO XLSX("test.csv",{headers:true}) FROM ?', [data]) .then(function (data) { console.log(data); }) .catch(function (err) { console.log('Error:', err); });; } which gives me this error in my console together with the XLSX version: VM9931

Angular xlsx - multiple json to sheet

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问题 I have an export to excel using js-xlsx and the function utils.json_to_sheet. Problem is I have another json object that I want to export to the same sheet, right below the previous one. XLSX.utils.json_to_sheet(outputData); Tried to find anything about it in docs and so, but seems like no one had that issue. A similar question was asked a while ago with no answer unfortunately - How to add multiple table with different data-set to the same sheet in exceljs . Any ideas? 回答1: I ended up