js 导出数据为txt文件

function exportTxtFile(data = "", filename = "文件名") {
    if (!filename.endsWith(".txt")) {
        filename = filename + ".txt";
    }
    var urlObject = window.URL || window.webkitURL || window;
    var blob = new Blob([data]);
    var link = document.createElement("a");
    link.href = urlObject.createObjectURL(blob);
    link.download = filename;
    link.click();
}