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1.Ajax取到数据，对数据加工，然后动态添加到router里created() {let routerChildrenList = setAsyncRouters();this.leftMenu = elMenuData;routerChildrenList.then((res) => {res.unshift({path: "/page0",name: "page0",

下载sheet.jsgithub官方地址 : https://github.com/SheetJS/js-xlsx依赖jsfunction openDownloadDialog(url, saveName) {if (typeof url == 'object' && url instanceof Blob) {url = URL.createObjectURL(url); //