*Content-type不进行编码
blob下载
this.$axios.get(url, { responseType: 'blob' })
.then(({ data }) => {
// 为了简单起见这里blob的mime类型 固定写死了
let type = data.type //'此处比较重要'
let blob = new Blob([data], { type: type })
let link = document.createElement('a');
link.href = window.URL.createObjectURL(blob);
link.download = fileName || url.split('/').pop();
link.click();
}).catch(error => {
alert(error)
})
