前端post方式提供list参数下载文件

<script src="https://cdn.bootcss.com/axios/0.19.0/axios.min.js"></script>

axios({
    method: 'post',
    url: '/signUp/exportSignClasss',
    data: {
        "lsit": this.list,
    },
    responseType: 'blob'
}).then(rsp => {

 var blob = new Blob([rsp.data])

    var downloadElement = document.createElement('a');
    var href = window.URL.createObjectURL(blob); //创建下载的链接
    downloadElement.href = href;
    downloadElement.download = “订单”; //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

})