后台返回文件的二进制内容,前端转化下载
// 二进制流解析下载 const fileName = this.getHeadersFName(res. headers['content-disposition'].split(';')); const blob = new Blob([res.data]); const a = document .createElement('a') ; const bUrl = window.URL.createObject URL(blob); a.download = fileName; a.href = bUrl; document.body.appendChild(a); a.click() document .body.removechild(a); // 获取文件名 getHeadersFName(conDspAttrs) { let fileName = ''; conDspAttrs.forEach((item,index ) => { let temp = item.split('='); if(temp.length > 1 && temp[0] === 'filename') { fileName = temp } }); return fileName }