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Export HTML table to Excel
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| /** | |
| * Taken from a few web snippets | |
| */ | |
| function tableToExcel(table, name = '', filename = "export.xls") { | |
| const 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]; }) } | |
| if (!table.nodeType) | |
| table = document.getElementById(table); | |
| const ctx = { | |
| worksheet: name || 'Worksheet', | |
| table: table.innerHTML.replace(/<br\s*\/?>/ig, "\n"), | |
| }; | |
| const xls64 = uri + base64(format(template, ctx)); | |
| const a = document.createElement("a"); | |
| a.href = xls64; | |
| a.download = filename; | |
| document.body.appendChild(a); | |
| a.click(); | |
| setTimeout(() => { | |
| document.body.removeChild(a); | |
| }, 0); | |
| }; |
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