Axios 通过a标签下载文件 跨域下载

 <!-- a标签占位 --><a ref="down"  ></a>

 getTest() {this.$axios.request({url: 'https://cnv13.55.la/download?file_key=3695fa9461a0ae59cf3148581e4fe339&handle_type=excel2pdf',method: 'get',responseType: 'blob', // 切记类型 blob}).then(res => {const url = URL.createObjectURL(res.data)this.$refs.down.href = url //转化成本地urlthis.$refs.down.download = '123456.pdf'//下载的文件名字this.$refs.down.click() //点击a标签})