解决tableexport导出到excel中有关中文乱码的问题

ableexport中将table中的内容导出到excel,但如果table包含中文的话,导出的就是乱码,需要修改tableexport.js,修改后的tableexport.js如下,使用时,只需引用tableexport.js即可,

页面上加上:

<button class="btn btn-success" onClick ="$('#yourTableId').tableExport({ type: 'excel', escape: 'false' })">导出</button>  

tableexport.js修改后的源代码如下:

/*The MIT License (MIT)


 Original work Copyright (c) 2014 https://github.com/kayalshri/
 Modified work Copyright (c) 2015 https://github.com/hhurz/


 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:


 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.


 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.*/


(function ($) {
    $.fn.extend({
        tableExport: function (options) {
            var defaults = {
                consoleLog: false,
                csvEnclosure: '"',
                csvSeparator: ',',
                csvUseBOM: true,
                displayTableName: false,
                escape: false,
                excelstyles: ['border-bottom', 'border-top', 'border-left', 'border-right'],
                fileName: '阿东',
                htmlContent: false,
                ignoreColumn: [],
                ignoreRow: [],
                jspdf: {
                    orientation: 'p',
                    unit: 'pt',
                    format: 'a4',
                    margins: { left: 20, right: 10, top: 10, bottom: 10 },
                    autotable: {
                        padding: 2,
                        lineHeight: 12,
                        fontSize: 8,
                        tableExport: {
                            onAfterAutotable: null,
                            onBeforeAutotable: null,
                            onTable: null
                        }
                    }
                },
                numbers: {
                    html: {
                        decimalMark: '.',
                        thousandsSeparator: ','
                    },
                    output: {
                        decimalMark: '.',
                        thousandsSeparator: ','
                    }
                },
                onCellData: null,
                outputMode: 'file', // file|string|base64
                tbodySelector: 'tr',
                theadSelector: 'tr',
                tableName: 'myTableName',
                type: 'csv',
                worksheetName: 'xlsWorksheetName'
            };


            var el = this;
            var DownloadEvt = null;
            var rowIndex = 0;
            var rowspans = [];
            var trData = '';


            $.extend(true, defaults, options);


            if (defaults.type == 'csv' || defaults.type == 'txt') {


                // Header
                var csvData = "";
                rowIndex = 0;
                $(el).find('thead').first().find(defaults.theadSelector).each(function () {
                    trData = "";
                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                trData += csvString(cell, row, col) + defaults.csvSeparator;
                            });
                    trData = $.trim(trData).substring(0, trData.length - 1);
                    if (trData.length > 0) {


                        if (csvData.length > 0)
                            csvData += "
";


                        csvData += trData;
                    }
                    rowIndex++;
                });


                // Row vs Column
                $(el).find('tbody').first().find(defaults.tbodySelector).each(function () {
                    trData = "";
                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                trData += csvString(cell, row, col) + defaults.csvSeparator;
                            });
                    trData = $.trim(trData).substring(0, trData.length - 1);
                    if (trData.length > 0) {


                        if (csvData.length > 0)
                            csvData += "
";


                        csvData += trData;
                    }
                    rowIndex++;
                });


                csvData += "
";


                //output
                if (defaults.consoleLog === true)
                    console.log(csvData);


                if (defaults.outputMode === 'string')
                    return csvData;


                if (defaults.outputMode === 'base64')
                    return base64encode(csvData);


                try {
                    var blob = new Blob([((defaults.type == 'csv' && defaults.csvUseBOM) ? 'ufeff' : '') + csvData], { type: "text/" + (defaults.type == 'csv' ? 'csv' : 'plain') + ";charset=utf-8" });
                    saveAs(blob, defaults.fileName + '.' + defaults.type);
                }
                catch (e) {
                    downloadFile(defaults.fileName + '.' + defaults.type,
                            'data:text/' + (defaults.type == 'csv' ? 'csv' : 'plain') + ';charset=utf-8,' + ((defaults.type == 'csv' && defaults.csvUseBOM) ? 'ufeff' : '') +
                            encodeURIComponent(csvData));
                }


            } else if (defaults.type == 'sql') {


                // Header
                rowIndex = 0;
                var tdData = "INSERT INTO `" + defaults.tableName + "` (";
                $(el).find('thead').first().find(defaults.theadSelector).each(function () {


                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                tdData += "'" + parseString(cell, row, col) + "',";
                            });
                    rowIndex++;
                    tdData = $.trim(tdData);
                    tdData = $.trim(tdData).substring(0, tdData.length - 1);
                });
                tdData += ") VALUES ";
                // Row vs Column
                $(el).find('tbody').first().find(defaults.tbodySelector).each(function () {
                    trData = "";
                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                trData += "'" + parseString(cell, row, col) + "',";
                            });
                    if (trData.length > 3) {
                        tdData += "(" + trData;
                        tdData = $.trim(tdData).substring(0, tdData.length - 1);
                        tdData += "),";
                    }
                    rowIndex++;
                });


                tdData = $.trim(tdData).substring(0, tdData.length - 1);
                tdData += ";";


                //output
                if (defaults.consoleLog === true)
                    console.log(tdData);


                if (defaults.outputMode == 'string')
                    return tdData;


                if (defaults.outputMode == 'base64')
                    return base64encode(tdData);


                try {
                    var blob = new Blob([tdData], { type: "text/plain;charset=utf-8" });
                    saveAs(blob, defaults.fileName + '.sql');
                }
                catch (e) {
                    downloadFile(defaults.fileName + '.sql', 'data:application/sql;charset=utf-8,' + encodeURIComponent(tdData));
                }


            } else if (defaults.type == 'json') {


                var jsonHeaderArray = [];
                $(el).find('thead').first().find(defaults.theadSelector).each(function () {
                    var jsonArrayTd = [];


                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                jsonArrayTd.push(parseString(cell, row, col));
                            });
                    jsonHeaderArray.push(jsonArrayTd);
                });


                var jsonArray = [];
                $(el).find('tbody').first().find(defaults.tbodySelector).each(function () {
                    var jsonArrayTd = [];


                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                jsonArrayTd.push(parseString(cell, row, col));
                            });


                    if (jsonArrayTd.length > 0 && (jsonArrayTd.length != 1 || jsonArrayTd[0] != ""))
                        jsonArray.push(jsonArrayTd);


                    rowIndex++;
                });


                var jsonExportArray = [];
                jsonExportArray.push({ header: jsonHeaderArray, data: jsonArray });


                var sdata = JSON.stringify(jsonExportArray);


                if (defaults.consoleLog === true)
                    console.log(sdata);


                if (defaults.outputMode == 'string')
                    return sdata;


                var base64data = base64encode(sdata);


                if (defaults.outputMode == 'base64')
                    return base64data;


                try {
                    var blob = new Blob([sdata], { type: "application/json;charset=utf-8" });
                    saveAs(blob, defaults.fileName + '.json');
                }
                catch (e) {
                    downloadFile(defaults.fileName + '.json', 'data:application/json;charset=utf-8;base64,' + base64data);
                }


            } else if (defaults.type === 'xml') {


                rowIndex = 0;
                var xml = '<?xml version="1.0" encoding="utf-8"?>';
                xml += '<tabledata><fields>';


                // Header
                $(el).find('thead').first().find(defaults.theadSelector).each(function () {


                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                xml += "<field>" + parseString(cell, row, col) + "</field>";
                            });
                    rowIndex++;
                });
                xml += '</fields><data>';


                // Row Vs Column
                var rowCount = 1;
                $(el).find('tbody').first().find(defaults.tbodySelector).each(function () {
                    var colCount = 1;
                    trData = "";
                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                trData += "<column-" + colCount + ">" + parseString(cell, row, col) + "</column-" + colCount + ">";
                                colCount++;
                            });
                    if (trData.length > 0 && trData != "<column-1></column-1>") {
                        xml += '<row id="' + rowCount + '">' + trData + '</row>';
                        rowCount++;
                    }


                    rowIndex++;
                });
                xml += '</data></tabledata>';


                //output
                if (defaults.consoleLog === true)
                    console.log(xml);


                if (defaults.outputMode == 'string')
                    return xml;


                var base64data = base64encode(xml);


                if (defaults.outputMode == 'base64')
                    return base64data;


                try {
                    var blob = new Blob([xml], { type: "application/xml;charset=utf-8" });
                    saveAs(blob, defaults.fileName + '.xml');
                }
                catch (e) {
                    downloadFile(defaults.fileName + '.xml', 'data:application/xml;charset=utf-8;base64,' + base64data);
                }


            } else if (defaults.type == 'excel' || defaults.type == 'doc') {
                //console.log($(this).html());


                rowIndex = 0;
                var excelData = "<table>";
                // Header
                $(el).find('thead').first().find(defaults.theadSelector).each(function () {
                    trData = "";
                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                if (cell != null) {
                                    trData += "<td style='";
                                    for (var styles in defaults.excelstyles) {
                                        if (defaults.excelstyles.hasOwnProperty(styles)) {
                                            trData += defaults.excelstyles[styles] + ": " + $(cell).css(defaults.excelstyles[styles]) + ";";
                                        }
                                    }
                                    trData += "'>" + parseString(cell, row, col) + "</td>";
                                }
                            });
                    if (trData.length > 0)
                        excelData += "<tr>" + trData + '</tr>';
                    rowIndex++;
                });


                // Row Vs Column
                $(el).find('tbody').first().find(defaults.tbodySelector).each(function () {
                    trData = "";
                    ForEachVisibleCell(this, 'th,td', rowIndex,
                            function (cell, row, col) {
                                if (cell != null) {
                                    trData += "<td style='";
                                    for (var styles in defaults.excelstyles) {
                                        if (defaults.excelstyles.hasOwnProperty(styles)) {
                                            trData += defaults.excelstyles[styles] + ": " + $(cell).css(defaults.excelstyles[styles]) + ";";
                                        }
                                    }
                                    if ($(cell).is("[colspan]"))
                                        trData += "' colspan='" + $(cell).attr('colspan');
                                    if ($(cell).is("[rowspan]"))
                                        trData += "' rowspan='" + $(cell).attr('rowspan');
                                    trData += "'>" + parseString(cell, row, col) + "</td>";
                                }
                            });
                    if (trData.length > 0)
                        excelData += "<tr>" + trData + '</tr>';
                    rowIndex++;
                });


                if (defaults.displayTableName)
                    excelData += "<tr><td></td></tr><tr><td></td></tr><tr><td>" + parseString($('<p>' + defaults.tableName + '</p>')) + "</td></tr>";


                excelData += '</table>';


                if (defaults.consoleLog === true)
                    console.log(excelData);


                var excelFile = "<html xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:x='urn:schemas-microsoft-com:office:" + defaults.type + "' xmlns='http://www.w3.org/TR/REC-html40'>";
                excelFile += '<meta http-equiv="content-type" content="application/vnd.ms-' + defaults.type + '; charset=UTF-8">';
                excelFile += '<meta http-equiv="content-type" content="application/';
                excelFile += (defaults.type === 'excel') ? 'vnd.ms-excel' : 'msword';
                excelFile += '; charset=UTF-8">';
                excelFile += "<head>";
                if (defaults.type === 'excel') {
                    excelFile += "<!--[if gte mso 9]>";
                    excelFile += "<xml>";
                    excelFile += "<x:ExcelWorkbook>";
                    excelFile += "<x:ExcelWorksheets>";
                    excelFile += "<x:ExcelWorksheet>";
                    excelFile += "<x:Name>";
                    excelFile += defaults.worksheetName;
                    excelFile += "</x:Name>";
                    excelFile += "<x:WorksheetOptions>";
                    excelFile += "<x:DisplayGridlines/>";
                    excelFile += "</x:WorksheetOptions>";
                    excelFile += "</x:ExcelWorksheet>";
                    excelFile += "</x:ExcelWorksheets>";
                    excelFile += "</x:ExcelWorkbook>";
                    excelFile += "</xml>";
                    excelFile += "<![endif]-->";
                }
                excelFile += "</head>";
                excelFile += "<body>";
                excelFile += excelData;
                excelFile += "</body>";
                excelFile += "</html>";


                if (defaults.outputMode == 'string')
                    return excelFile;


                var base64data = base64encode(excelFile);


                if (defaults.outputMode === 'base64')
                    return base64data;


                var extension = (defaults.type === 'excel') ? 'xls' : 'doc';
                try {
                    var blob = new Blob([excelFile], { type: 'application/vnd.ms-' + defaults.type });
                    saveAs(blob, defaults.fileName + '.' + extension);
                }
                catch (e) {
                    downloadFile(defaults.fileName + '.' + extension, 'data:application/vnd.ms-' + defaults.type + ';base64,' + base64data);
                }


            } else if (defaults.type == 'png') {
                html2canvas($(el), {
                    onrendered: function (canvas) {


                        var image = canvas.toDataURL();
                        image = image.substring(22); // remove data stuff


                        var byteString = atob(image);
                        var buffer = new ArrayBuffer(byteString.length);
                        var intArray = new Uint8Array(buffer);


                        for (var i = 0; i < byteString.length; i++)
                            intArray[i] = byteString.charCodeAt(i);


                        try {
                            var blob = new Blob([buffer], { type: "image/png" });
                            saveAs(blob, defaults.fileName + '.png');
                        }
                        catch (e) {
                            downloadFile(defaults.fileName + '.png', 'data:image/png;base64,' + image);
                        }
                    }
                });


            } else if (defaults.type == 'pdf') {
                if (defaults.jspdf.autotable === false) {
                    var addHtmlOptions = {
                        dim: {
                            w: getPropertyUnitValue($(el).first().get(0), 'width', 'mm'),
                            h: getPropertyUnitValue($(el).first().get(0), 'height', 'mm')
                        },
                        pagesplit: false
                    };


                    var doc = new jsPDF(defaults.jspdf.orientation, defaults.jspdf.unit, defaults.jspdf.format);
                    doc.addHTML($(el).first(),
                            defaults.jspdf.margins.left,
                            defaults.jspdf.margins.top,
                            addHtmlOptions,
                            function () {
                                jsPdfOutput(doc);
                            });
                    //delete doc;
                }
                else {
                    // pdf output using jsPDF AutoTable plugin
                    // https://github.com/someatoms/jsPDF-AutoTable


                    var teOptions = defaults.jspdf.autotable.tableExport;


                    // When setting jspdf.format to 'bestfit' tableExport tries to choose
                    // the minimum required paper format and orientation in which the table
                    // (or tables in multitable mode) completely fit without column adjustment
                    if (typeof defaults.jspdf.format === 'string' && defaults.jspdf.format.toLowerCase() === 'bestfit') {
                        var pageFormats = {
                            'a0': [2383.94, 3370.39], 'a1': [1683.78, 2383.94],
                            'a2': [1190.55, 1683.78], 'a3': [841.89, 1190.55],
                            'a4': [595.28, 841.89]
                        };
                        var rk = '', ro = '';
                        var mw = 0;


                        $(el).filter(':visible').each(function () {
                            if ($(this).css('display') != 'none') {
                                var w = getPropertyUnitValue($(this).get(0), 'width', 'pt');


                                if (w > mw) {
                                    if (w > pageFormats['a0'][0]) {
                                        rk = 'a0';
                                        ro = 'l';
                                    }
                                    for (var key in pageFormats) {
                                        if (pageFormats.hasOwnProperty(key)) {
                                            if (pageFormats[key][1] > w) {
                                                rk = key;
                                                ro = 'l';
                                                if (pageFormats[key][0] > w)
                                                    ro = 'p';
                                            }
                                        }
                                    }
                                    mw = w;
                                }
                            }
                        });
                        defaults.jspdf.format = (rk == '' ? 'a4' : rk);
                        defaults.jspdf.orientation = (ro == '' ? 'w' : ro);
                    }


                    // The jsPDF doc object is stored in defaults.jspdf.autotable.tableExport,
                    // thus it can be accessed from any callback function from below
                    teOptions.doc = new jsPDF(defaults.jspdf.orientation,
                            defaults.jspdf.unit,
                            defaults.jspdf.format);


                    $(el).filter(':visible').each(function () {
                        if ($(this).css('display') != 'none') {
                            var colKey;
                            var rowIndex = 0;
                            var atOptions = {};


                            teOptions.columns = [];
                            teOptions.rows = [];
                            teOptions.rowoptions = {};


                            // onTable: optional callback function for every matching table that can be used
                            // to modify the tableExport options or to skip the output of a particular table
                            // when the  table selector targets multiple tables
                            if (typeof teOptions.onTable === 'function')
                                if (teOptions.onTable($(this), defaults) === false)
                                    return true; // continue to next iteration step (table)


                            // each table works with an own copy of AutoTable options
                            Object.keys(defaults.jspdf.autotable).forEach(function (key) {
                                atOptions[key] = defaults.jspdf.autotable[key];
                            });
                            atOptions.margins = {};
                            $.extend(true, atOptions.margins, defaults.jspdf.margins);


                            if (typeof atOptions.renderCell !== 'function') {


                                // draw cell text with original <td> alignment
                                atOptions.renderCell = function (x, y, width, height, key, value, row, settings) {
                                    var doc = settings.tableExport.doc;
                                    var xoffset = 0;


                                    doc.setFillColor(row % 2 === 0 ? 245 : 255);
                                    doc.setTextColor(50);
                                    doc.rect(x, y, width, height, 'F');
                                    y += settings.lineHeight / 2 + doc.autoTableTextHeight() / 2 - 2.5;


                                    if (typeof settings.tableExport.columns[key] != 'undefined') {
                                        var col = settings.tableExport.columns[key];
                                        if (typeof col.style != 'undefined') {
                                            var alignment = col.style.align;
                                            var rowopt = settings.tableExport.rowoptions[(row + 1) + ":" + key];


                                            if (typeof rowopt != 'undefined')
                                                alignment = rowopt.style.align;


                                            if (alignment == 'right')
                                                xoffset = width - doc.getStringUnitWidth(('' + value)) * doc.internal.getFontSize() - settings.padding;
                                            else if (alignment == 'center')
                                                xoffset = (width - doc.getStringUnitWidth(('' + value)) * doc.internal.getFontSize()) / 2;
                                        }
                                    }


                                    if (xoffset < settings.padding)
                                        xoffset = settings.padding;


                                    doc.text(value, x + xoffset, y);
                                }
                            }


                            // collect header and data rows
                            $(this).find('thead').find(defaults.theadSelector).each(function () {
                                colKey = 0;


                                ForEachVisibleCell(this, 'th,td', rowIndex,
                                        function (cell, row, col) {
                                            var obj = {
                                                title: parseString(cell, row, col),
                                                key: colKey++,
                                                style: {
                                                    align: getStyle(cell, 'text-align'),
                                                    bcolor: getStyle(cell, 'background-color')
                                                }
                                            };
                                            teOptions.columns.push(obj);
                                        });
                                rowIndex++;
                            });


                            $(this).find('tbody').find(defaults.tbodySelector).each(function () {
                                var rowData = [];
                                var rowCount = 0;
                                colKey = 0;


                                ForEachVisibleCell(this, 'th,td', rowIndex,
                                        function (cell, row, col) {
                                            var obj = {
                                                style: {
                                                    align: getStyle(cell, 'text-align'),
                                                    bcolor: getStyle(cell, 'background-color')
                                                }
                                            };
                                            teOptions.rowoptions[rowCount + ":" + colKey++] = obj;


                                            rowData.push(parseString(cell, row, col));
                                        });
                                if (rowData.length) {
                                    teOptions.rows.push(rowData);
                                    rowCount++
                                }
                                rowIndex++;
                            });


                            // onBeforeAutotable: optional callback function before calling
                            // jsPDF AutoTable that can be used to modify the AutoTable options
                            if (typeof teOptions.onBeforeAutotable === 'function')
                                teOptions.onBeforeAutotable($(this), teOptions.columns, teOptions.rows, atOptions);


                            teOptions.doc.autoTable(teOptions.columns, teOptions.rows, atOptions);


                            // onAfterAutotable: optional callback function after returning
                            // from jsPDF AutoTable that can be used to modify the AutoTable options
                            if (typeof teOptions.onAfterAutotable === 'function')
                                teOptions.onAfterAutotable($(this), atOptions);


                            // set the start position for the next table (in case there is one)
                            defaults.jspdf.autotable.startY = teOptions.doc.autoTableEndPosY() + atOptions.margins.top;
                        }
                    });


                    jsPdfOutput(teOptions.doc);


                    teOptions.columns.length = 0;
                    teOptions.rows.length = 0;
                    delete teOptions.doc;
                    teOptions.doc = null;
                }
            }


            function ForEachVisibleCell(tableRow, selector, rowIndex, cellcallback) {
                if (defaults.ignoreRow.indexOf(rowIndex) == -1) {
                    $(tableRow).filter(':visible').find(selector).each(function (colIndex) {
                        if ($(this).data("tableexport-display") == 'always' ||
                            ($(this).css('display') != 'none' &&
                             $(this).css('visibility') != 'hidden' &&
                             $(this).data("tableexport-display") != 'none')) {
                            if (defaults.ignoreColumn.indexOf(colIndex) == -1) {
                                if (typeof (cellcallback) === "function") {
                                    var cs = 0; // colspan value


                                    // handle previously detected rowspans
                                    if (typeof rowspans[rowIndex] != 'undefined' && rowspans[rowIndex].length > 0) {
                                        for (c = 0; c <= colIndex; c++) {
                                            if (typeof rowspans[rowIndex][c] != 'undefined') {
                                                cellcallback(null, rowIndex, c);
                                                delete rowspans[rowIndex][c];
                                                colIndex++;
                                            }
                                        }
                                    }


                                    // output content of current cell
                                    cellcallback(this, rowIndex, colIndex);


                                    // handle colspan of current cell
                                    if ($(this).is("[colspan]")) {
                                        cs = $(this).attr('colspan');
                                        for (c = 0; c < cs - 1; c++)
                                            cellcallback(null, rowIndex, colIndex + c);
                                    }


                                    // store rowspan for following rows
                                    if ($(this).is("[rowspan]")) {
                                        var rs = parseInt($(this).attr('rowspan'));


                                        for (r = 1; r < rs; r++) {
                                            if (typeof rowspans[rowIndex + r] == 'undefined')
                                                rowspans[rowIndex + r] = [];
                                            rowspans[rowIndex + r][colIndex] = "";


                                            for (c = 1; c < cs; c++)
                                                rowspans[rowIndex + r][colIndex + c] = "";
                                        }
                                    }
                                }
                            }
                        }
                    });
                }
            }


            function jsPdfOutput(doc) {
                if (defaults.consoleLog === true)
                    console.log(doc.output());


                if (defaults.outputMode == 'string')
                    return doc.output();


                if (defaults.outputMode == 'base64')
                    return base64encode(doc.output());


                try {
                    var blob = doc.output('blob');
                    saveAs(blob, defaults.fileName + '.pdf');
                }
                catch (e) {
                    downloadFile(defaults.fileName + '.pdf', 'data:application/pdf;base64,' + base64encode(doc.output()));
                }
            }


            function escapeRegExp(string) {
                return string.replace(/([.*+?^=!:${}()|[Math Processing Error]/\])/g, "\$1");
            }


            function replaceAll(string, find, replace) {
                return string.replace(new RegExp(escapeRegExp(find), 'g'), replace);
            }


            function csvString(cell, rowIndex, colIndex) {
                var result = '';


                if (cell != null) {
                    var dataString = parseString(cell, rowIndex, colIndex);


                    var csvValue = (dataString === null || dataString == '') ? '' : dataString.toString();


                    if (dataString instanceof Date)
                        result = defaults.csvEnclosure + dataString.toLocaleString() + defaults.csvEnclosure;
                    else {
                        result = replaceAll(csvValue, defaults.csvEnclosure, defaults.csvEnclosure + defaults.csvEnclosure);


                        if (result.indexOf(defaults.csvSeparator) >= 0 || /[
 ]/g.test(result))
                            result = defaults.csvEnclosure + result + defaults.csvEnclosure;
                    }
                }


                return result;
            }


            function parseNumber(value) {
                value = value || "0";
                value = replaceAll(value, defaults.numbers.html.decimalMark, '.');
                value = replaceAll(value, defaults.numbers.html.thousandsSeparator, '');


                return typeof value === "number" || jQuery.isNumeric(value) !== false ? value : false;
            }




            function parseString(cell, rowIndex, colIndex) {
                var result = '';


                if (cell != null) {
                    var $cell = $(cell);


                    if (defaults.htmlContent === true) {
                        result = $cell.html().trim();
                    }
                    else {
                        result = $cell.text().trim().replace(/u00AD/g, ""); // remove soft hyphens


                        if (defaults.numbers.html.decimalMark != defaults.numbers.output.decimalMark ||
                            defaults.numbers.html.thousandsSeparator != defaults.numbers.output.thousandsSeparator) {
                            var number = parseNumber(result);


                            if (number !== false) {
                                var frac = ("" + number).split('.');
                                if (frac.length == 1)
                                    frac[1] = "";
                                var mod = frac[0].length > 3 ? frac[0].length % 3 : 0;


                                result = (number < 0 ? "-" : "") +
                                         (defaults.numbers.output.thousandsSeparator ? ((mod ? frac[0].substr(0, mod) + defaults.numbers.output.thousandsSeparator : "") + frac[0].substr(mod).replace(/(d{3})(?=d)/g, "$1" + defaults.numbers.output.thousandsSeparator)) : frac[0]) +
                                         (frac[1].length ? defaults.numbers.output.decimalMark + frac[1] : "");
                            }
                        }
                    }


                    if (defaults.escape === true) {
                        result = escape(result);
                    }


                    if (typeof defaults.onCellData === 'function') {
                        result = defaults.onCellData($cell, rowIndex, colIndex, result);
                    }
                }


                return result;
            }


            function hyphenate(a, b, c) {
                return b + "-" + c.toLowerCase();
            }


            // get computed style property
            function getStyle(target, prop) {
                try {
                    if (window.getComputedStyle) { // gecko and webkit
                        prop = prop.replace(/([a-z])([A-Z])/, hyphenate);  // requires hyphenated, not camel
                        return window.getComputedStyle(target, null).getPropertyValue(prop);
                    }
                    if (target.currentStyle) { // ie
                        return target.currentStyle[prop];
                    }
                    return target.style[prop];
                }
                catch (e) {
                }
                return "";
            }


            function getPropertyUnitValue(target, prop, unit) {
                var baseline = 100;  // any number serves


                var value = getStyle(target, prop);  // get the computed style value


                var numeric = value.match(/d+/);  // get the numeric component
                if (numeric !== null) {
                    numeric = numeric[0];  // get the string


                    var temp = document.createElement("div");  // create temporary element
                    temp.style.overflow = "hidden";  // in case baseline is set too low
                    temp.style.visibility = "hidden";  // no need to show it


                    target.parentElement.appendChild(temp); // insert it into the parent for em, ex and %


                    temp.style.width = baseline + unit;
                    var factor = baseline / temp.offsetWidth;


                    target.parentElement.removeChild(temp);  // clean up


                    return (numeric * factor);
                }
                return 0;
            }


            function downloadFile(filename, data) {
                var DownloadLink = document.createElement('a');


                if (DownloadLink) {
                    document.body.appendChild(DownloadLink);
                    DownloadLink.style = 'display: none';
                    DownloadLink.download = filename;
                    DownloadLink.href = data;


                    if (document.createEvent) {
                        if (DownloadEvt == null)
                            DownloadEvt = document.createEvent('MouseEvents');


                        DownloadEvt.initEvent('click', true, false);
                        DownloadLink.dispatchEvent(DownloadEvt);
                    }
                    else if (document.createEventObject)
                        DownloadLink.fireEvent('onclick');
                    else if (typeof DownloadLink.onclick == 'function')
                        DownloadLink.onclick();


                    document.body.removeChild(DownloadLink);
                }
            }


            function utf8Encode(string) {
                string = string.replace(/x0dx0a/g, "x0a");
                var utftext = "";
                for (var n = 0; n < string.length; n++) {
                    var c = string.charCodeAt(n);
                    if (c < 128) {
                        utftext += String.fromCharCode(c);
                    }
                    else if ((c > 127) && (c < 2048)) {
                        utftext += String.fromCharCode((c >> 6) | 192);
                        utftext += String.fromCharCode((c & 63) | 128);
                    }
                    else {
                        utftext += String.fromCharCode((c >> 12) | 224);
                        utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                        utftext += String.fromCharCode((c & 63) | 128);
                    }
                }
                return utftext;
            }


            function base64encode(input) {
                var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
                var output = "";
                var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
                var i = 0;
                input = utf8Encode(input);
                while (i < input.length) {
                    chr1 = input.charCodeAt(i++);
                    chr2 = input.charCodeAt(i++);
                    chr3 = input.charCodeAt(i++);
                    enc1 = chr1 >> 2;
                    enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
                    enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
                    enc4 = chr3 & 63;
                    if (isNaN(chr2)) {
                        enc3 = enc4 = 64;
                    } else if (isNaN(chr3)) {
                        enc4 = 64;
                    }
                    output = output +
                            keyStr.charAt(enc1) + keyStr.charAt(enc2) +
                            keyStr.charAt(enc3) + keyStr.charAt(enc4);
                }
                return output;
            }


            return this;
        }
    });
})(jQuery);