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javascript - 使用 Javascript 将多个 HTML 表格导出到单个 Excel 文件 (xls)

转载 作者:行者123 更新时间:2023-11-30 11:53:48 29 4
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我正在尝试将多个 html 表格导出到单个文件 excel (xls)应该是这样
Thanks Credit : How do I export multiple html tables to excel?

HTML代码

<html>
<head>
<title>JS to Excel</title>

</head>
<body>
<table id="1">
<tr><td>Hi</td></tr>
<tr><td>Hey</td></tr>
<tr><td>Hello</td></tr>
</table>
<table id="2">
<tr><td>Night</td></tr>
<tr><td>Evening</td></tr>
<tr><td>Nite</td></tr>
</table>

<a id="dlink" style="display:none;"></a>
<input type="button" onclick="tablesToExcel(['1', '2'], ['first', 'second'], 'myfile.xls')" value="Export to Excel">
<script src="~/Views/JS/JSExcel.js" type="text/javascript"></script>
</body>

像这样的 Javascript

    var tablesToExcel = (function () {
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>'
, templateend = '</x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head>'
, body = '<body>'
, tablevar = '<table>{table'
, tablevarend = '}</table>'
, bodyend = '</body></html>'
, worksheet = '<x:ExcelWorksheet><x:Name>'
, worksheetend = '</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet>'
, worksheetvar = '{worksheet'
, worksheetvarend = '}'
, base64 = function (s) { return window.btoa(unescape(encodeURIComponent(s))) }
, format = function (s, c) { return s.replace(/{(\w+)}/g, function (m, p) { return c[p]; }) }
, wstemplate = ''
, tabletemplate = '';

return function (table, name, filename) {
var tables = table;

for (var i = 0; i < tables.length; ++i) {
wstemplate += worksheet + worksheetvar + i + worksheetvarend + worksheetend;
tabletemplate += tablevar + i + tablevarend;
}

var allTemplate = template + wstemplate + templateend;
var allWorksheet = body + tabletemplate + bodyend;
var allOfIt = allTemplate + allWorksheet;

var ctx = {};
for (var j = 0; j < tables.length; ++j) {
ctx['worksheet' + j] = name[j];
}

for (var k = 0; k < tables.length; ++k) {
var exceltable;
if (!tables[k].nodeType) exceltable = document.getElementById(tables[k]);
ctx['table' + k] = exceltable.innerHTML;
}

//document.getElementById("dlink").href = uri + base64(format(template, ctx));
//document.getElementById("dlink").download = filename;
//document.getElementById("dlink").click();

window.location.href = uri + base64(format(allOfIt, ctx));

}
})();

它在一个 excel 文件 (xls) 中处理 2 个表
我的问题是,如果我有 1000 个表怎么办?我如何使用 DO 或 for 循环来解决我的问题?
我是一名学生,是编程新手,谢谢

最佳答案

终于在 friend 的帮助下完成了:)
HTML

<html>
<head>
<title>JS to Excel</title>

</head>
<body>
<table id="1">
<tr><td>Hi</td></tr>
<tr><td>Hey</td></tr>
<tr><td>Hello</td></tr>
</table>
<table id="2">
<tr><td>Night</td></tr>
<tr><td>Evening</td></tr>
<tr><td>Nite</td></tr>
</table>

<a id="dlink" style="display:none;"></a>
<input type="button" onclick="tablesToExcel(array1, array2, 'myfile.xls')" value="Export to Excel">
<script src="~/Views/JS/JSExcel.js" type="text/javascript"></script>
</body>

Javascript

var array1 = new Array();
var array2 = new Array();
var n = 2; //Total table
for ( var x=1; x<=n; x++ ) {
array1[x-1] = x;
array2[x-1] = x + 'th';
}

var tablesToExcel = (function () {
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>'
, templateend = '</x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head>'
, body = '<body>'
, tablevar = '<table>{table'
, tablevarend = '}</table>'
, bodyend = '</body></html>'
, worksheet = '<x:ExcelWorksheet><x:Name>'
, worksheetend = '</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet>'
, worksheetvar = '{worksheet'
, worksheetvarend = '}'
, base64 = function (s) { return window.btoa(unescape(encodeURIComponent(s))) }
, format = function (s, c) { return s.replace(/{(\w+)}/g, function (m, p) { return c[p]; }) }
, wstemplate = ''
, tabletemplate = '';

return function (table, name, filename) {
var tables = table;

for (var i = 0; i < tables.length; ++i) {
wstemplate += worksheet + worksheetvar + i + worksheetvarend + worksheetend;
tabletemplate += tablevar + i + tablevarend;
}

var allTemplate = template + wstemplate + templateend;
var allWorksheet = body + tabletemplate + bodyend;
var allOfIt = allTemplate + allWorksheet;

var ctx = {};
for (var j = 0; j < tables.length; ++j) {
ctx['worksheet' + j] = name[j];
}

for (var k = 0; k < tables.length; ++k) {
var exceltable;
if (!tables[k].nodeType) exceltable = document.getElementById(tables[k]);
ctx['table' + k] = exceltable.innerHTML;
}

//document.getElementById("dlink").href = uri + base64(format(template, ctx));
//document.getElementById("dlink").download = filename;
//document.getElementById("dlink").click();

window.location.href = uri + base64(format(allOfIt, ctx));

}
})();

关于javascript - 使用 Javascript 将多个 HTML 表格导出到单个 Excel 文件 (xls),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38690070/

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