<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title></title>
</head>
<body>
</body>
<script>
function download(url){
const xhr = new XMLHttpRequest();
xhr.open('GET', url);
xhr.responseType = "blob";
xhr.send();
xhr.onload = function(){
const fileBolb = xhr.response;
console.log(fileBolb);
// 将blob转成url地址
const fileUrl = URL.createObjectURL(fileBolb);
console.log(fileUrl);
// document.querySelector('img').setAttribute('src', fileUrl);
const elementA = document.createElement('a');
elementA.setAttribute('href', fileUrl);
elementA.setAttribute('download', '');
elementA.click()
}
}
let imgUrl = 'https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg3.yimasm.com%2Fpic%2F2021%2F02%2F26%2F3990bc7af116e15967ac2ee1a315ee43.jpg&refer=http%3A%2F%2Fimg3.yimasm.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1643118831&t=938a79aea1136e4fca446f7701d6a12a';
download(imgUrl);
</script>
</html>
