使用JavaScript函数将多个HTML表导出到Excel | 使用JavaScript函数将多个HTML表导出到Excel

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问题描述

我正在尝试将几个表从HTML代码导出到excel，我在Stack Overflow上找到了一个函数，它与一个表完美配合，但我正在尝试进行更改以便它可以导出几个表，我一直在尝试没有运气，这是我的代码。

I'm trying to export several tables from HTML code to excel, I found a function here on Stack Overflow, and it works perfectly with one table, but I'm trying to made the change so it can export with several tables, I have been trying with no luck, here is my code.

<script type="text/javascript">
function tableToExcel(name) {
        var tables=[];
        r('div[id^="reportesTablaExcel"]').each(function(){
            tables.push(r(this).attr('id'));
        });
        console.log(tables);
        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]--><meta http-equiv="content-type" content="text/plain; charset=UTF-8"/></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]; }) }
        var i;
        for (i = 0; i < tables.length; ++i) {

            var table = tables[i];

            if (!table.nodeType) table = document.getElementById(table)
            var ctx = {worksheet: name || 'Worksheet', table: eval(tables[+i+]).innerHTML}
            window.location.href = uri + base64(format(template, ctx))

            console.log();

        }

    return window.location.href;
}

<input style="display:none;" type="button" id="exportarExcel" onclick="tableToExcel('W3C Example Table')" value="Export to Excel">

推荐答案

最后我这样做了：

function tableToExcel(name) {
        var tables=[];
        r('div[id^="reportesTablaExcel"]').each(function(){
            tables.push(r(this).attr('id'));
        });

        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]--><meta http-equiv="content-type" content="text/plain; charset=UTF-8"/></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]; }) }
        var i;
        completeTables=[];
        for (i = 0; i < tables.length; ++i) {
            var table = tables[i];
            completeTables.push(r("#reportesTablaExcel"+i).html());
        }
        if (!table.nodeType) table = table
            var ctx = {worksheet: name || 'Worksheet', table: completeTables}
            window.location.href = uri + base64(format(template, ctx))

    return window.location.href;
}

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