问从javascript创建的Xlsx文件无法在Windows MS-Office中打开

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function JSONToCSVConvertor(JSONData, ReportTitle, ShowLabel) {
//If JSONData is not an object then JSON.parse will parse the JSON string in an Object
var arrData = typeof JSONData != 'object' ? JSON.parse(JSONData) : JSONData;

var CSV = '';
//Set Report title in first row or line

CSV += ReportTitle + '\r\n\n';

//This condition will generate the Label/Header
if (ShowLabel) {
    var row = "";

    //This loop will extract the label from 1st index of on array
    for (var index in arrData[0]) {

        //Now convert each value to string and comma-seprated
        row += index + ',';
    }

    row = row.slice(0, -1);

    //append Label row with line break
    CSV += row + '\r\n';
}

//1st loop is to extract each row
for (var i = 0; i < arrData.length; i++) {
    var row = "";

    //2nd loop will extract each column and convert it in string comma-seprated
    for (var index in arrData[i]) {
        if (index == 'Date_Time') {
            var dateString = arrData[i][index].substr(6);
            var currentTime = new Date(parseInt(dateString));
            var hours = ('0' + (currentTime.getHours())).slice(-2)
            var min = ('0' + (currentTime.getMinutes())).slice(-2)
            var sec = ('0' + (currentTime.getSeconds())).slice(-2)
            var date = currentTime.toDateString() + " " + hours + ":" + min + ":" + sec;
            row += '"' + date + '",';
        } else {
            row += '"' + arrData[i][index] + '",';
        }
    }

    row.slice(0, row.length - 1);

    //add a line break after each row
    CSV += row + '\r\n';
}

if (CSV == '') {
    alert("Invalid data");
    return;
}

//Generate a file name
var fileName = "MyReport_";
//this will remove the blank-spaces from the title and replace it with an underscore
fileName += ReportTitle.replace(/ /g, "_");

//Initialize file format you want csv or xls
var uri = 'data:text/csv;charset=utf-8,' + escape(CSV);

// Now the little tricky part.
// you can use either>> window.open(uri);
// but this will not work in some browsers
// or you will not get the correct file extension    

//this trick will generate a temp <a /> tag
var link = document.createElement("a");
link.href = uri;

//set the visibility hidden so it will not effect on your web-layout
link.style = "visibility:hidden";
link.download = fileName + ".csv";

//this part will append the anchor tag and remove it after automatic click
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}