Js实现list导出为excel表格

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <button onclick="exportEx()">导出excel表格</button>
</body>
<script>
    var tableData = [{
        date: '2016-05-02',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1518 弄'
    }, {
        date: '2016-05-04',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1517 弄'
    }, {
        date: '2016-05-01',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1519 弄'
    }, {
        date: '2016-05-03',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1516 弄'
    }]

    function exportEx() {
        let str = `时间,姓名,地址n`;
        var jsonData = tableData
        //增加t为了不让表格显示科学计数法或者其他格式
        for (let i in jsonData) {
            for (let j in jsonData[i]) {
                str += `${jsonData[i][j] + 't'},`;
            }
            str += 'n';
        }
        //encodeURIComponent解决中文乱码
        let uri = 'data:text/csv;charset=utf-8,ufeff' + encodeURIComponent(str);
        //通过创建a标签
        let link = document.createElement("a");
        link.href = uri;
        link.download = "文件.xls";
        document.body.appendChild(link);
        link.click();
        document.body.removeChild(link);
    }
</script>

</html>