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用js实现导出功能将html中的table导出为excel

程序员文章站 2022-09-26 14:30:23
/** * 描述:导出表格对应的excel文件 * 时间:2018-03-29 * 作者:任恩远 * 调用示例: * onclick = "tableToExcel(tableId,fileName)" */var tableToExcel = (function() { var uri = 'da ......
/**
* 描述:导出表格对应的excel文件
* 时间:2018-03-29
* 作者:任恩远
* 调用示例:
* onclick = "tableToExcel(tableId,fileName)"
*/
var tableToExcel = (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><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></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]; }) }
return function(table, name) {
if (!table.nodeType) table = document.getElementById(table)
var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML};
var downloadLink = document.createElement("a");
downloadLink.href = uri + base64(format(template, ctx));
downloadLink.download = name+".xls";
document.body.appendChild(downloadLink);
downloadLink.click();
document.body.removeChild(downloadLink);
}
})()