Export html table data to excel

The reason the solution you found on the internet is no working is because of the line that starts var colCount. The variable mytable only has two elements being <thead> and <tbody>. The var colCount line is looking for all the elements within mytable that are <tr>. The best thing you can do is give an id to your <thead> and <tbody> and then grab all the values based on that. Say you had <thead id='headers'> :

function write_headers_to_excel() 
{
  str="";

  var myTableHead = document.getElementById('headers');
  var rowCount = myTableHead.rows.length;
  var colCount = myTableHead.getElementsByTagName("tr")[0].getElementsByTagName("th").length; 

var ExcelApp = new ActiveXObject("Excel.Application");
var ExcelSheet = new ActiveXObject("Excel.Sheet");
ExcelSheet.Application.Visible = true;

for(var i=0; i<rowCount; i++) 
{   
    for(var j=0; j<colCount; j++) 
    {           
        str= myTableHead.getElementsByTagName("tr")[i].getElementsByTagName("th")[j].innerHTML;
        ExcelSheet.ActiveSheet.Cells(i+1,j+1).Value = str;
    }
}

}

and then do the same thing for the <tbody> tag.

EDIT: I would also highly recommend using jQuery. It would shorten this up to:

function write_to_excel() 
{
 var ExcelApp = new ActiveXObject("Excel.Application");
 var ExcelSheet = new ActiveXObject("Excel.Sheet");
 ExcelSheet.Application.Visible = true; 

  $('th, td').each(function(i){
    ExcelSheet.ActiveSheet.Cells(i+1,i+1).Value = this.innerHTML;
  });
}

Now, of course, this is going to give you some formatting issues but you can work out how you want it formatted in Excel.

EDIT: To answer your question about how to do this for n number of tables, the jQuery will do this already. To do it in raw Javascript, grab all the tables and then alter the function to be able to pass in the table as a parameter. For instance:

var tables = document.getElementsByTagName('table');
for(var i = 0; i < tables.length; i++)
{
  write_headers_to_excel(tables[i]);
  write_bodies_to_excel(tables[i]);
}

Then change the function write_headers_to_excel() to function write_headers_to_excel(table). Then change var myTableHead = document.getElementById('headers'); to var myTableHead = table.getElementsByTagName('thead')[0];. Same with your write_bodies_to_excel() or however you want to set that up.

In this tutorial you can find the solution of How to Export or Download the HTML Table Data in Excel Sheet by using JavaScript. Exporting Data to Excel is required feature in our web application. Because by export data functionality will helps to download data from web application to different file format for offline use of data and for this excel format is an ideal for exporting data in file for offline use. There many tutorial we have published for export data to excel at server side scripting using PHP. But if we can perform at client-side for export data into Excel sheet, so it will reduce load on server. So for this for export data to excel , here we will use JavaScript for perform client-side export data to excel sheet.

The client-side export feature will makes our web application more user-friendly. So with the help of JavaScript, we can export HTML table data to Excel format without refresh of web page. Under this tutorial, you can learn How to export HTML table data to excel using JavaScript. In this tutorial, we will use SheetJS JavaScript Library for export HTML table data to Excel.

1. HTML Table Data:
2. JavaScript Code:

1. HTML Table Data

For Export HTML data to Excel, here first we have to load some data in HTML table. So here we have make fetch employee table data and load in HTML table with table column like name, address, gender, designation and age. Here we have create HTML table with id employee_data. So this id we will use for fetch this HTML table data in JavaScript code. Under this HTML code we have make one button tag with id export_button, so when use has click on this button, then HTML table data will be download in Excel file format without refresh of web page using JavaScript.

<?php

$connect = new PDO("mysql:host=localhost;dbname=testing", "root", "");

$query = "SELECT * FROM tbl_employee ORDER BY name ASC";

$result = $connect->query($query);

?>

<!DOCTYPE HTML>
<html>
<head>
	<meta charset="utf-8" />
	<title>Export HTML table data to excel using JavaScript</title>
	<meta name="viewport" content="width=device-width, initial-scale=1" />
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

    <script type="text/javascript" src="https://unpkg.com/xlsx@0.15.1/dist/xlsx.full.min.js"></script>
</head>
<body>
    <div class="container">
    	<h2 class="text-center mt-4 mb-4">Export HTML table data to excel using JavaScript</h2>
    	<div class="card">
    		<div class="card-header">
    			<div class="row">
    				<div class="col col-md-6">Sample Data</div>
    				<div class="col col-md-6 text-right">
    					<button type="button" id="export_button" class="btn btn-success btn-sm">Export</button>
    				</div>
    			</div>
    		</div>
    		<div class="card-body">
    			<table id="employee_data" class="table table-striped table-bordered">
                    <tr>
                        <th>Name</th>
                        <th>Address</th>
                        <th>Gender</th>
                        <th>Designation</th>
                        <th>Age</th>
                    </tr>
                    <?php
                    foreach($result as $row)
                    {
                        echo '
                        <tr>
                            <td>'.$row["name"].'</td>
                            <td>'.$row["address"].'</td>
                            <td>'.$row["gender"].'</td>
                            <td>'.$row["designation"].'</td>
                            <td>'.$row["age"].'</td>
                        </tr>
                        ';
                    }
                    ?>
                </table>
    		</div>
    	</div>
    </div>
</body>
</html>

2. JavaScript Code

In this tutorial, we have use SheetJS JavaScript Library for export HTML table data to Excel using JavaScript. So first we have to include following SheetJS library link at header of this HTML web page.

<script type="text/javascript" src="https://unpkg.com/xlsx@0.15.1/dist/xlsx.full.min.js"></script>

In JavaScript code part, first we have make html_table_to_excel(type) function. This function has use SheetJS Library function and convert or Write HTML table data to Excel format and download in browser without refresh of web page.

Once function is ready then we have to called html_table_to_excel(type) function on button click event, so for trigger button click event, we have use addEventListener method. So when user has click on button then html_table_to_excel(type) function has been called with xlsx file type. So it will download HTML table data in .xlsx format Excel file in browser without refresh of web page at client-side.

function html_table_to_excel(type)
    {
        var data = document.getElementById('employee_data');

        var file = XLSX.utils.table_to_book(data, {sheet: "sheet1"});

        XLSX.write(file, { bookType: type, bookSST: true, type: 'base64' });

        XLSX.writeFile(file, 'file.' + type);
    }

    const export_button = document.getElementById('export_button');

    export_button.addEventListener('click', () =>  {
        html_table_to_excel('xlsx');
    });

Conclusion

This tutorial will helps you to add export feature of download HTML table data in Excel sheet without using third-party jQuery plugin or any server-side script. By follow this tutorial you can easily export HTML table data to Excel using minimal JavaScript code.

If you want to get complete source with .sql file, so please write your email address in comment box. We will send you complete source code file at your define email address.

My readers continuously asked me to work on how to export html table data to excel, CSV, PNG, PDF, TXT, Doc, JSON & XML instead of copying the records manually. So I thought to share this wonderful jquery plugin I have come across via google to my readers.

This plugin is very easy to implement it in your projects who wants to export the html table data instantly.

Beauty of this Export HTML table to Excel jQuery plugin is which allows you to download any html table data into all downloadable formats like Excel, CSV, PDF, DOC and many more. This is the must required plugin for any reporting / statistics kind of projects.

Now a days Exporting Table Data into Specific Format is a very common feature in every web application.

Please check my popular post on Top 20 code snippets in jQuery

Export HTML Table Data to Excel Plugin Features

We can easily export any html tables to the following formats. Not only table to excel instead you can export html table data to CSV, Excel, PNG, JSON, PDF, JSON, SQL & XML etc

1. JSON
2. XML
3. PNG
4. CSV
5. TXT
6. SQL
7. MS-Word
8. Ms-Excel
9. Ms-Powerpoint
10. PDF

Installation

You need an jquery plugin to support this feature

<script type="text/javascript" src="https://code.jquery.com/jquery-3.2.1.min.js"></script>

In order to save the exported files into your machine, please include the below js in your html code

<script type="text/javascript" src="libs/FileSaver/FileSaver.min.js"></script>

Export html table data to Excel (XLSX) format

To export the table data in excel 2007 format, please include the below js in your html code

<script type="text/javascript" src="libs/js-xlsx/xlsx.core.min.js"></script>

You need an below script to export html table data to PNG format. html2canvas.js.

I have added IE support also to export HTML table to PNG.

<!-- For IE support include es6-promise before html2canvas -->
<script type="text/javascript" src="libs/es6-promise/es6-promise.auto.min.js"></script>
<script type="text/javascript" src="libs/html2canvas/html2canvas.min.js"></script>

Export html table data to PDF format

<script type="text/javascript" src="libs/jsPDF/jspdf.min.js"></script>
<script type="text/javascript" src="libs/jsPDF-AutoTable/jspdf.plugin.autotable.js"></script>

Finally you have to include this table export plugin to work successfully in the html table

<script type="text/javascript" src="tableExport.min.js"></script>

Usage

<a href="#" onClick ="$('#tableID').tableExport({type:'json',escape:'false'});">JSON</a>

<a href="#" onClick ="$('#tableID').tableExport({type:'excel',escape:'false'});">XLS</a>

<a href="#" onClick ="$('#tableID').tableExport({type:'csv',escape:'false'});">CSV</a>

<a href="#" onClick ="$('#tableID').tableExport({type:'pdf',escape:'false'});">PDF</a>

PDF export using jsPDF

please use the below configuration to use jsPDF

$('#tableID').tableExport({

type:'pdf',

jspdf: {

orientation: 'p',

margins: {

left:20, top:10

},

autotable: false

}

});

Other Types

{type:'json',escape:'false'}

{type:'json',escape:'false',ignoreColumn:'[2,3]'}

{type:'json',escape:'true'}

{type:'xml',escape:'false'}

{type:'sql'}

{type:'csv',escape:'false'}

{type:'txt',escape:'false'}

{type:'excel',escape:'false'}

{type:'doc',escape:'false'}

{type:'powerpoint',escape:'false'}

{type:'png',escape:'false'}

{type:'pdf',pdfFontSize:'7',escape:'false'}

View Live Demo

Download HTML Table Data to Excel, CSV, XML, PDF Plugin

Please download this HTML table to EXCEL, CSV Format plugin by sharing this in your social media and support my work

Credit – https://github.com/kayalshri/tableExport.jquery.plugin