JavaScript - export HTML table data into Excel

Question

I'm trying to convert HTML tables to Excel, i have tried with a JavaScript function which converts a simple table to Excel, it is working fine. If I have multiple tables how will I be able to add all the table data into the Excel file. here's what I tried. I've created 2 tables and given table index testTable and testTable1.

How will i pass these 2 table ids to the JavaScript function on click of the button? right now on click of the button only the first table is exported to Excel as I'm passing only 'testTable'. how will i be able to export multiple tables eg: testTable, testTable1 into Excel?

Here's the JavaScript:

<script>

var tableToExcel = (function() {
var uri = 'data:application/vnd.ms-excel;base64,'
, template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><!--[if gte mso 9]>    
<xml>
<x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}
</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions>
</x:ExcelWorksheet></x:ExcelWorksheets>
</x:ExcelWorkbook>
</xml>
<![endif]-->
</head>
<body>
<table>{table}</table></body></html>'
, base64 = function(s) { return window.btoa(unescape(encodeURIComponent(s))) }
, format = function(s, c) { return s.replace(/{(\w+)}/g, function(m, p) { return c[p]; }) }
return function(table, name) {
if (!table.nodeType) table = document.getElementById(table)
var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML}
window.location.href = uri + base64(format(template, ctx))
}
})()

</script>

Here's the HTML part,

<table id="testTable">
    <thead>
        <tr>
            <th>Name</th>
            <th>ACP</th>
            <th>OEMCP</th>
            <th>Unix<br>
                NT 3.1</th>
            <th>Unix<br>
                NT 3.51</th>
            <th>Unix<br>
                95</th>
        </tr>
    </thead>
</table>
<table id="testTable1">
    <thead>
        <tr>
            <th>Name</th>
            <th>ACP</th>
            <th>OEMCP</th>
            <th>Windows<br>
                NT 3.1</th>
            <th>Windows<br>
                NT 3.51</th>
            <th>Windows<br>
                95</th>
        </tr>
    </thead>
</table>

Please let me know, how this can be done?
Thanks

Can't you use web service for this problem. It will also work without postback. — osmanraifgunes
– osmanraifgunes, Commented Mar 5, 2013 at 12:50

Scipion · Accepted Answer · 2013-03-05 15:05:13Z

9

I recommend another Format method. the John Resig micro-template is a very good and simple tool for do what you need. (ejohn microtemplating)

(function(){
  var cache = {};

  this.tmpl = function tmpl(str, data){
    // Figure out if we're getting a template, or if we need to
    // load the template - and be sure to cache the result.
    var fn = !/\W/.test(str) ?
      cache[str] = cache[str] ||
        tmpl(document.getElementById(str).innerHTML) :

      // Generate a reusable function that will serve as a template
      // generator (and which will be cached).
      new Function("obj",
        "var p=[],print=function(){p.push.apply(p,arguments);};" +

        // Introduce the data as local variables using with(){}
        "with(obj){p.push('" +

        // Convert the template into pure JavaScript
        str.replace(/[\r\t\n]/g, " ")
              .split("{{").join("\t")
              .replace(/((^|}})[^\t]*)'/g, "$1\r")
              .replace(/\t=(.*?)}}/g, "',$1,'")
              .split("\t").join("');")
              .split("}}").join("p.push('")
              .split("\r").join("\\'")
              + "');}return p.join('');");

    // Provide some basic currying to the user
    return data ? fn( data ) : fn;
  };
})();

It is very simple to use. This allows not only show variables between HTML but also execute JavaScript code

Your template string need some modification to work with this microtemplate.

{{for(var i=0; i<tables.length;i++){ }}
    <table>
        {{=tables[i]}}
    </table>
{{ } }}

finally only need to select all the tables that appear in your example

document.getElementsByTagName("table");

you can see how it works http://jsfiddle.net/Scipion/P8rpn/1/

answered Mar 5, 2013 at 15:05

Scipion

1,3801 gold badge10 silver badges17 bronze badges

Sign up to request clarification or add additional context in comments.

5 Comments

shockwave Over a year ago

Thanks a ton Scipion! I just wanted to know if I can do this functionality on click of a html button...I tried with this <input type="button" onclick="tableToExcel(document.getElementsByTagName("table"),"one")" value="Export to Excel"> but this ain't working....How is it working on jsFiddle? If I implement the same in html I'm not able to get the file on click of the button. Kindly let me know if this is possible.

Scipion Over a year ago

try <button id="btn">Download</button> and to add it the click event. function download(){ tableToExcel(document.getElementsByTagName("table"), "one"); } var btn = document.getElementById("btn"); btn.addEventListener("click",download); jsfiddle.net/Scipion/P8rpn/3

shockwave Over a year ago

hey, the file is getting downloaded as 'download.xls'; how can I change the name of the download file?

Scipion Over a year ago

In chrome is the default name. For use another name you can use a third party solution stackoverflow.com/questions/13912198/…

user3771102 Over a year ago

@Scipion I have tried your code in here and I can successfully export it in the excel file but there are some unnecessary characters shown after the table. See this image

divyabharathi · Accepted Answer · 2013-03-05 13:46:27Z

0

create a function and pass the tableID to it

 function passing_id_to_excel(tableID){ 
  var myTableid =
 document.getElementById(tableID) //remaining code }

answered Mar 5, 2013 at 13:46

divyabharathi

2,24718 silver badges12 bronze badges

1 Comment

shockwave Over a year ago

How will I pass multiple tableIDs?

gongzhitaao · Accepted Answer · 2013-03-07 21:19:15Z

0

Add a checkbox for each table. Use javascript to process those that are checked.
In case if you just want to convert every table, you could use $('table').each(function() { do something }).

edited Mar 7, 2013 at 21:19

answered Mar 7, 2013 at 21:14

gongzhitaao

6,7223 gold badges41 silver badges45 bronze badges

Collectives™ on Stack Overflow

JavaScript - export HTML table data into Excel

3 Answers 3

5 Comments

1 Comment

Comments

Your Answer

Linked

Hot Network Questions

Collectives™ on Stack Overflow

3 Answers 3

5 Comments

1 Comment

Comments

Your Answer

Sign up or log in

Post as a guest

Linked

Related