[英]How do I export multiple html tables to excel?
我有一个包含 3 个表格的网页,我想将所有 3 个表格导出到同一个 excel 文件。 我希望每张桌子都放在自己的工作表中,但将它们全部放在同一张工作表上也可以。 经过一番谷歌搜索后,我所看到的只是将一张表格导出到一张 Excel 表格。
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));
}
})();
和 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(['1', '2'], ['first', 'second'], 'myfile.xls')" value="Export to Excel">
<script src="~/Views/JS/JSExcel.js" type="text/javascript"></script>
</body>
</html>
注意:这在 IE 上不起作用(“数据太小”错误),在 Firefox 上这两个表都放在同一张纸上。
也归功于此线程 - HTML Table to Excel Javascript
//功能1
$scope.exportXlsSheets = function (datasets) {
var xlsString = '<?xml version="1.0"?>\
<ss:Workbook xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet">';
for(var key in dict){
var arr_of_entities= dict[key].arr;
xlsString += $scope.getSheet(arr_of_entities);
}
xlsString += '</ss:Workbook>';
var a = document.createElement('a');
a.href = 'data:application/vnd.ms-excel;base64,' + $scope.base64(xlsString);
a.target = '_blank';
a.download = 'test1.xls';
document.body.appendChild(a);
a.click();
}
$scope.base64 = function (s) {
return window.btoa(unescape(encodeURIComponent(s)))
}
//功能2
$scope.getSheet = function (sheetName, entities) {
var res = '<ss:Worksheet ss:Name="'+sheetName+"></ss:Worksheet>\
<ss:Table>';
var row = '<ss:Row>';
for ( i = 0; i < entities.length; i++) {
var entity = entities[i];
row += '<ss:Cell>\
<ss:Data ss:Type="String">'+entity.value +'</ss:Data>\
</ss:Cell>';
}
row += '</ss:Row>';
res += row;
return res;
}
这是一个更好的解决方案,它支持以最新的 Excel 格式(即 xlsx )导出表格。 如果 Chrome 上导出的总行数超过 3407,则接受的解决方案将失败。
上面链接中的一个例子: http : //jsfiddle.net/6ckj281f/
html
<button onclick="saveFile()">Save XLSX file</button>
javascript
window.saveFile = function saveFile () {
var data1 = [{a:1,b:10},{a:2,b:20}];
var data2 = [{a:100,b:10},{a:200,b:20}];
var opts = [{sheetid:'One',header:true},{sheetid:'Two',header:false}];
var res = alasql('SELECT INTO XLSX("restest344b.xlsx",?) FROM ?',
[opts,[data1,data2]]);
}
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