<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<button onclick="exportCSVFile('文件内容AAA','文件名')">点击下载文件</button>
</body>
<script>
function exportCSVFile(items, fileTitle) {//items：为文件的内容，fileTitle：为文件的名字
var exportedFilenmae = fileTitle + '.log' || 'export.log';//文件后缀名
var blob = new Blob([items]);
if (navigator.msSaveBlob) { // IE 10+
navigator.msSaveBlob(blob, exportedFilenmae);
} else {
var link = document.createElement("a");
if (link.download !== undefined) { // feature detection
// Browsers that support HTML5 download attribute
var url = URL.createObjectURL(blob);
link.setAttribute("href", url);
link.setAttribute("download", exportedFilenmae);
link.style.visibility = 'hidden';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
};
};
};
</script>
</html>
