PC 下载

 let site = ' 路径'
        axios.get(site, {
          responseType: 'blob', // 下载必须写
        }).then(response => {
          const url = window.URL.createObjectURL(new Blob([response.data]));
          const link = document.createElement('a');
          let name = '文件名.jpg';
          link.href = url;
          link.setAttribute('download', name);
          document.body.appendChild(link);
          link.click();
        })