【a标签下载的两种方法】1、下载1
2、
下载2download(){
let url = '/files/文件.zip'
let filename = '下载的文件名称'
return fetch(url).then(res => res.blob().then(blob => {
let a = document.createElement('a');
let url = window.URL.createObjectURL(blob);
console.log(url);
a.href = https://www.it610.com/article/url;
a.download = filename;
a.click();
window.URL.revokeObjectURL(url);
}))
}