原文：
https://www.cnblogs.com/xiyangbaixue/p/4210278.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
<div align="center">
<h3><u>Enter JSON data</u></h3>
<div class=\'mydiv\'>
<textarea id="txt" class=\'txtarea\' rows="15" cols="100">[{"Vehicle":"BMW","Date":"30 Jul 2013 09:24 AM","Location":"Hauz Khas","Speed":42},{"Vehicle":"Honda CBR","Date":"30 Jul 2013 12:00 AM","Location":"Military Road","Speed":0},{"Vehicle":"Supra","Date":"30 Jul 2013 07:53 AM","Location":"Sec-45","Speed":58},{"Vehicle":"Land Cruiser","Date":"30 Jul 2013 09:35 AM","Location":"DLF Phase I","Speed":83}]</textarea>
</div>
<br />
<button class="download">Download CSV</button>
</div>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script type="text/javascript">
// 原文：https://www.cnblogs.com/xiyangbaixue/p/4210278.html
$(function () {
var d = [
{ "Vehicle": "BMW", "Date": "30 Jul 2013 09:24 AM", "Location": "Hauz Khas", "Speed": 42 },
{ "Vehicle": "Honda CBR", "Date": "30 Jul 2013 12:00 AM", "Location": "Military Road", "Speed": 0 },
{ "Vehicle": "Supra", "Date": "30 Jul 2013 07:53 AM", "Location": "Sec-45", "Speed": 58 },
{ "Vehicle": "Land Cruiser", "Date": "30 Jul 2013 09:35 AM", "Location": "DLF Phase I", "Speed": 83 }
];
d = [{ "platformOrderSn": "12044000000", "orderCreateTime": "2020-09-25 13:22:29", "title": "测试0", "memberUsername": "用户0", "orderStatus": 0, "payAmount": "348.00" }, { "platformOrderSn": "12044000001", "orderCreateTime": "2020-09-25 13:22:29", "title": "测试1", "memberUsername": "用户1", "orderStatus": 0, "payAmount": "348.00" }, { "platformOrderSn": "12044000002", "orderCreateTime": "2020-09-25 13:22:29", "title": "测试2", "memberUsername": "用户2", "orderStatus": 0, "payAmount": "348.00" }, { "platformOrderSn": "12044000003", "orderCreateTime": "2020-09-25 13:22:29", "title": "测试3", "memberUsername": "用户3", "orderStatus": 0, "payAmount": "348.00" }, { "platformOrderSn": "12044000004", "orderCreateTime": "2020-09-25 13:22:29", "title": "测试4", "memberUsername": "用户4", "orderStatus": 0, "payAmount": "348.00" }];
var msieversion = function () {
var ua = window.navigator.userAgent;
var msie = ua.indexOf("MSIE ");
if (msie > 0 || !!navigator.userAgent.match(/Trident.*rv\\:11\\./)) // If Internet Explorer, return version number
{
return true;
} else { // If another browser,
return false;
}
return false;
};
var JSONToCSVConvertor = function (JSONData, ShowLabel) {
var arrData = typeof JSONData !== \'object\' ? JSON.parse(JSONData) : JSONData;
var CSV = \'\';
if (ShowLabel) {
var row = "";
for (var index in arrData[0]) {
row += index + \',\';
}
row = row.slice(0, -1);
CSV += row + \'\\r\\n\';
}
for (var i = 0; i < arrData.length; i++) {
var row = "";
for (var index in arrData[i]) {
var arrValue = arrData[i][index] == null ? "" : \'="\' + arrData[i][index] + \'"\';
row += arrValue + \',\';
}
row.slice(0, row.length - 1);
CSV += row + \'\\r\\n\';
}
if (CSV == \'\') {
growl.error("Invalid data");
return;
}
var fileName = "Result";
if (msieversion()) {
var IEwindow = window.open();
IEwindow.document.write(\'sep=,\\r\\n\' + CSV);
IEwindow.document.close();
IEwindow.document.execCommand(\'SaveAs\', true, fileName + ".csv");
IEwindow.close();
} else {
//var uri = \'data:application/csv;charset=utf-8,\' + escape(CSV);
var uri = \'data:application/csv;charset=utf-8,\' + CSV;
var link = document.createElement("a");
link.href = uri;
link.style = "visibility:hidden";
link.download = fileName + ".csv";
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
};
JSONToCSVConvertor(d, true);
});
</script>
</body>
</html>