a 标签download属性被限制修改
<a href="javascript:;" downloadFile(url, fileName)>下载</a>
a 标签download属性被限制修改
<script type="text/javascript">
function downloadFile(url, fileName) {
var x = new XMLHttpRequest();
x.open("GET", url, true);
x.responseType = 'blob';
x.onload=function(e) {
var url = window.URL.createObjectURL(x.response)
var a = document.createElement('a');
a.href = url
a.download = fileName;
a.click()
}
x.send();
}
</script>