• THML导出Excel


    1.导出

    <script src="scripts/jquery-1.7.2.min.js"></script>
    <script src="scripts/rusty1s_table2excel.js"></script>//网上找

    html

    <body>
        <div>
            <button type="button" id="btnExport">导出Excel</button>
        </div>
        <div id="myDiv">
            <table id="tableExcel" width="70%" border="1" cellspacing="0" cellpadding="0">
                <tr>
                    <td colspan="5" align="center">html 表格导出道Excel</td>
                </tr>
                <tr>
                    <td>列标题1</td>
                    <td>列标题2</td>
                    <td>类标题3</td>
                    <td>列标题4</td>
                    <td>列标题5</td>
                </tr>
            </table>
        </div>
    </body>

    js

    <script language="JavaScript" type="text/javascript">
        
        $("#btnExport").click(function () {
            exportExcel("tableExcel", "aaa");
        });
        function addhtml() {
            var html = "";
            for (var i = 0; i <10; i++) {
                html += "<tr><td>AAAAAAA</td><td>BBBBBBBBBB</td><td>CCCCCCCCCCCCC</td><td>DDDDDDDDDDD</td><td>EEEEEEEEEEE</td></tr>";
            }
            $("#tableExcel").append(html);
        }
        addhtml();
    
        function exportExcel(tableid, filename) {
            var table2excel = new Table2Excel({
                defaultFileName: filename
            });
            table2excel.export(document.getElementById(tableid));
        }
    
    </script>

    2.导入

     <script src="scripts/jquery-1.7.2.min.js"></script>
     <script src="scripts/SheetJS_js-xlsx/xlsx.core.min.js.js"></script>
    //https://github.com/SheetJS/sheetjs/tree/master/dist

    html

    <body>
        <input type="file" id="file" style="display:none;" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet">
        <a href="javascript:selectFile()">加载本地excel文件</a>
        <div id="result" contenteditable=""></div>
    </body>

    js

    <script type="text/javascript">
        function selectFile() {
            document.getElementById('file').click();
        }
        $(function () {
            //改变事件
            document.getElementById('file').addEventListener('change', function (e) {
                var files = e.target.files;
                if (files.length == 0) return;
                var f = files[0];
                if (!/.xlsx$/g.test(f.name)) {
                    alert('仅支持读取xlsx格式!');
                    return;
                }
                readWorkbookFromLocalFile(f, function (workbook) {
                    readWorkbook(workbook);
                });
            });
            loadRemoteFile('./sample/test.xlsx');
        });
    
        function readWorkbook(workbook) {
            var sheetNames = workbook.SheetNames; // 工作表名称集合
            var worksheet = workbook.Sheets[sheetNames[0]]; // 这里我们只读取第一张sheet
            var csv = XLSX.utils.sheet_to_csv(worksheet);
            document.getElementById('result').innerHTML = csv2table(csv);
        }
    
        // 将csv转换成表格
        function csv2table(csv) {
            var html = '<table>';
            var rows = csv.split('
    ');
            rows.pop(); // 最后一行没用的
            //得到数据,这里可以转为json
            //处理数据
            rows.forEach(function (row, idx) {
                var columns = row.split(',');
                columns.unshift(idx + 1); // 添加行索引
                if (idx == 0) { // 添加列索引
                    html += '<tr>';
                    for (var i = 0; i < columns.length; i++) {
                        html += '<th>' + (i == 0 ? '' : String.fromCharCode(65 + i - 1)) + '</th>';
                    }
                    html += '</tr>';
                }
                html += '<tr>';
                columns.forEach(function (column) {
                    html += '<td>' + column + '</td>';
                });
                html += '</tr>';
            });
            html += '</table>';
            return html;
        }
    
        //读取本地excel文件
        function readWorkbookFromLocalFile(file, callback) {
            var reader = new FileReader();
            reader.onload = function (e) {
                var data = e.target.result;
                var workbook = XLSX.read(data, { type: 'binary' });
                if (callback) callback(workbook);
            };
            reader.readAsBinaryString(file);
        }
    
        function loadRemoteFile(url) {
            readWorkbookFromRemoteFile(url, function (workbook) {
                readWorkbook(workbook);
            });
        }
    </script>
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  • 原文地址:https://www.cnblogs.com/Evan-Pei/p/12455822.html
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