js如何实现文件流下载csv文件

javascript如何实现文件流下载csv文件，下面web建站小编给大家简单介绍一下具体实现代码！

具体实现代码如下：

var str = "<div>Hello World</div>";
var blob = new Blob([str], {
    type: '.csv, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel'
});
console.log(blob);

const url3 = window.URL.createObjectURL(blob);
console.log(url3);
var filename = '文件流下载' + '.csv';
const link = document.createElement('a');
link.style.display = 'none';
link.href = url3;
link.setAttribute('download', filename);
document.body.appendChild(link);
link.click();