实现
代码如下所示：
<!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>
<input type="button" value="test" onclick="
test()">
<script>
const fileInfo = {
url: 'pdf/5ea56710fb5a2fdad7cabcf3.pdf',
name: 'b.pdf'
}
function
test() {
downloadUrlFile(fileInfo.url)
}
function downloadUrlFile(url) {
const xhr = new XMLHttpRequest()
xhr.open('GET', url, true)
xhr.responseType = 'blob'
xhr.onload = () => {
if (xhr.status === 200) {
saveAs(xhr.response, fileInfo.name)
}
}
xhr.send()
}
function saveAs(data, name) {
var urlObject = window.URL || window.webkitURL || window;
var export_blob = new Blob([data]);
var save_link = document.createElementNS('http://www.w3.org/1999/xhtml', 'a')
save_link.href = urlObject.
createObjectURL(export_blob);
save_link.download = name;
save_link.click();
}
</script>
</body>
</html>
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