jquery-tableexport/dist/tableExport.js

This is a simple jQuery plug-in that allows exporting html tables to: CSV, XLS, TXT, SQL.

(function ($) {

    $.fn.tableExport = function (options) {

        var defaults = $.extend({
            filename: 'table',
            format: 'csv',
            cols: '',
            head_delimiter: ';',
            column_delimiter: ';',
            onbefore: function(t){},
            onafter: function(t){}
        }, options);

        var options = $.extend(defaults, options);
        var $this = $(this);
        var cols = options.cols ? options.cols.split(',') : [];
        var result = '';
        var data_type = { 'csv' : 'text/csv', 'txt' : 'text/plain', 'xls' : 'application/vnd.ms-excel', 'json' : 'application/json', };

        if ( typeof options.onbefore != "function" || typeof options.onafter != "function" || !options.format || !options.head_delimiter || !options.column_delimiter || !options.filename )
        { console.error( 'One of the parameters is incorrect.' ); return false; }

        function getHeaders(){
            var th = $this.find('thead th');
            var arr = [];

            th.each(function(i,e){

                if (cols.length)
                    cols.forEach(function(c){
                        if (c==i+1)
                            arr.push(e.innerText);
                    });
                else
                    arr.push(e.innerText);

            });

            return arr;
        }

        function getItems(){
            var tr = $this.find('tbody tr');
            var arr = [];

            tr.each(function(i,e){
                var s = [];

                if (cols.length){
                    cols.forEach(function(c){
                        s.push($(e).find('td:nth-child('+c+')').text());
                    });
                    arr.push(s);
                }
                else
                {
                    var td = $(e).find('td');
                    td.each(function(i,t){
                        s.push(t.innerText);
                    });
                    arr.push(s);
                }

            });

            return arr;
        }

        function download(data,filename,format){
            var a = document.createElement("a");
            var blob = new Blob([data], {type: data_type[format]});
            a.href = URL.createObjectURL(blob);

            var now = new Date();
            var time_arr = [
                'DD:'+now.getDate(),
                'MM:'+ (now.getMonth() + 1),
                'YY:'+now.getFullYear(),
                'hh:'+now.getHours(),
                'mm:'+now.getMinutes(),
                'ss:'+now.getSeconds()
            ];

            time_arr.forEach(function(item){
                var key = item.split(':')[0];
                var val = item.split(':')[1];
                var regexp = new RegExp('%'+key+'%','g');
                filename = filename.replace( regexp, val);
            });

            a.download = filename + '.' + format;
            document.body.appendChild(a);
            a.click();
            if (!navigator.userAgent.toLowerCase().match(/firefox/)) a.remove();
        }

        options.onafter($this);
        switch (options.format) {

            case "csv":
                var headers = getHeaders();
                var items  = getItems();

                result += headers.join( options.head_delimiter ) + "\n";

                items.forEach(function(item,i){
                    result += item.join( options.column_delimiter ) + "\n";
                });

                break;

            case "txt":
                var headers = getHeaders();
                var items  = getItems();

                result += headers.join( options.head_delimiter ) + "\n";

                items.forEach(function(item,i){
                    result += item.join( options.column_delimiter ) + "\n";
                });

                break;

            case "xls":
                var headers = getHeaders();
                var items  = getItems();
                template = '<table><thead>%thead%</thead><tbody>%tbody%</tbody></table>';

                var res = '';
                headers.forEach(function(item,i){
                    res += '<th>'+item+'</th>' ;
                });template = template.replace('%thead%',res);

                res = '';
                items.forEach(function(item,i){
                    res += '<tr>';
                    item.forEach(function(td,i){
                        res += '<td>'+td+'</td>' ;
                    });
                    res += '</tr>';
                });
                template = template.replace('%tbody%',res);

                result = template;
                break;

            case "sql":
                var headers = getHeaders();
                var items  = getItems();

                items.forEach(function(item,i){
                    result += "INSERT INTO table ("+ headers.join(",") +") VALUES ('"+ item.join("','") +"');";
                });

                break;

        }

        download(result,options.filename,options.format);

        options.onbefore($this);


    }

}(jQuery));