JSON to CSV/Excel Convert

Convert JSON data with the help of JAVASCRIPT to generate CSV/Excel file

by Liu David

HTML

<div class='mydiv'>    
    <textarea id="txt" class='txtarea'>[{"Vehicle":"宝马","Date":"30, Jul 2013 09:24 AM","Location":"Hauz Khas, Enclave, New Delhi, Delhi, India","Speed":42},{"Vehicle":"Honda CBR","Date":"30, Jul 2013 12:00 AM","Location":"Military Road,  West Bengal 734013,  India","Speed":0},{"Vehicle":"Supra","Date":"30, Jul 2013 07:53 AM","Location":"Sec-45, St. Angel's School, Gurgaon, Haryana, India","Speed":58},{"Vehicle":"Land Cruiser","Date":"30, Jul 2013 09:35 AM","Location":"DLF Phase I, Marble Market, Gurgaon, Haryana, India","Speed":83},{"Vehicle":"Suzuki Swift","Date":"30, Jul 2013 12:02 AM","Location":"Behind Central Bank RO, Ram Krishna Rd by-lane, Siliguri, West Bengal, India","Speed":0},{"Vehicle":"Honda Civic","Date":"30, Jul 2013 12:00 AM","Location":"Behind Central Bank RO, Ram Krishna Rd by-lane, Siliguri, West Bengal, India","Speed":0},{"Vehicle":"Honda Accord","Date":"30, Jul 2013 11:05 AM","Location":"DLF Phase IV, Super Mart 1, Gurgaon, Haryana, India","Speed":71}]</textarea>
    <button class='gen_btn'>Generate File</button>
</div>

CSS

.txtarea{
    max-width:100%;
    min-height:200px;    
    display:block;
    width:100%;
}

.mydiv{
    padding:10px;
}

.gen_btn{
    padding:5px;
    background-color:#743ED9;
    color:white;
    font-family:arial;
    font-size:13px;
    border:2px solid black;
}

.gen_btn:hover{
    background-color:#9a64ff;
}

JavaScript

$(document).ready(function(){
    $('button').click(function(){
        var data = $('#txt').val();
        if(data == '')
            return;
        
        JSONToCSVConvertor(data, "Vehicle Report", true);
    });
});

function JSONToCSVConvertor(JSONData, ReportTitle, ShowLabel) {
            //If JSONData is not an object then JSON.parse will parse the JSON string in an Object
            var arrData = typeof JSONData != 'object' ? JSON.parse(JSONData) : JSONData;

            var CSV = '';
            //Set Report title in first row or line

            CSV += ReportTitle + '\r\n\n';

            //This condition will generate the Label/Header
            if (ShowLabel) {
                var row = "";

                //This loop will extract the label from 1st index of on array
                for (var index in arrData[0]) {

                    //Now convert each value to string and comma-seprated
                    row += index + ',';
                }

                row = row.slice(0, -1);

                //append Label row with line break
                CSV += row + '\r\n';
            }

            //1st loop is to extract each row
            for (var i = 0; i < arrData.length; i++) {
                var row = "";

                //2nd loop will extract each column and convert it in string comma-seprated
                for (var index in arrData[i]) {
                    row += '"' + arrData[i][index] + '",';
                }

                row.slice(0, row.length - 1);

                //add a line break after each row
                CSV += row + '\r\n';
            }

            if (CSV == '') {
                alert("Invalid data");
                return;
            }

            //Generate a file name
            var fileName = "";
            //this will remove the blank-spaces from the title and replace it with an underscore
            fileName += ReportTitle.replace(/ /g, "_");

            //Initialize file format you want...