Front End Axios Download Excel

Requirement: Download Excel file via backend interface, no file address on back end, return binary stream file
Implementation: Axios (Ajax-like)
Main code:

axios：设置返回数据格式为blob或者arraybuffer如：    var instance = axios.creat({         ... //一些配置        responseType: ‘blob‘, //返回数据的格式，可选值为arraybuffer,blob,document,json,text,stream，默认值为json    })请求时的处理：　　getExcel().then(res => {    　　//这里res.data是返回的blob对象         　　var blob = new Blob([res.data], {type: ‘application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8‘}); //application/vnd.openxmlformats-officedocument.spreadsheetml.sheet这里表示xlsx类型    　　var downloadElement = document.createElement(‘a‘);    　　var href = window.URL.createObjectURL(blob); //创建下载的链接    　　downloadElement.href = href;    　　downloadElement.download = ‘xxx.xlsx‘; //下载后文件名    　　document.body.appendChild(downloadElement);    　　downloadElement.click(); //点击下载    　　document.body.removeChild(downloadElement); //下载完成移除元素    　　window.URL.revokeObjectURL(href); //释放掉blob对象 　})

Front End Axios Download Excel