1. 单个附件下载

<el-buttontype="text"size="small"@click.native.prevent="download(scope.row)" >下载</el-button>export default {data() {return {downloadUrl: 'http://127.0.0.1:8881/XX/XX', // 下载接口}},methods: {download(row) { // 单个附件下载// 下载附件（form方式）const params = {fileId: row.dataId,fileName: row.fileName,attachmentId: row.dataId,token: getToken()}this.postDownloadFile(params, this.downloadUrl)// downloadFileByToken({ attachmentId: row.dataId }).then((response) => { // 按钮提交无效// })},postDownloadFile(params, url) {const form = document.createElement('form')form.style.display = 'none'form.action = urlform.method = 'post'document.body.appendChild(form)// 动态创建input并给value赋值for (const key in params) {const input = document.createElement('input')input.type = 'hidden'input.name = keyinput.value = params[key]form.appendChild(input)}form.submit()form.remove() },},
}

灵感来自：https://blog.csdn.net/ewl0116/article/details/129879216