摘要：
/*导入*/ let nodeData = ref() // 文件上传 const uploadFile = function(file) { var groups = [] // excel文件 —— array const reader = new FileReader(); reader.re 阅读全文
摘要：
/*导出*/ const s2ab = function(s) { const buf = new ArrayBuffer(s.length); const view = new Uint8Array(buf); for(let i = 0; i < s.length; i++) view[i] = 阅读全文