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utils的写法,就是用a标签下载
//文件下载
downFile(url, name) {
let x = new XMLHttpRequest();
x.open("GET", url, true);
x.responseType = 'blob';
x.onload = function (e) {
console.log('9999', x)
let url = window.URL.createObjectURL(x.response)
let a = document.createElement('a');
a.href = url
a.download = name;
a.click()
}
x.send();
},
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