feat: 导出表格工具

src/utils/execl-utils.ts

@@ -1,10 +1,8 @@
-import { read, utils } from 'xlsx';
+import { read, utils, write } from 'xlsx';
 
-/**
- * <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD>ļ<EFBFBD>-<2D><>̬<EFBFBD><CCAC>Դ<EFBFBD>ļ<EFBFBD>·<EFBFBD><C2B7>
- */
+// 静态资源路径
 const baseUrl = import.meta.env.VITE_HISTORY_BASE_URL;
-export const scriptUrl = `${
+export const xlsxUrl = `${
   baseUrl.length === 1 && baseUrl.indexOf('/') === 0
     ? ''
     : baseUrl.indexOf('/') === -1
@@ -12,19 +10,54 @@ export const scriptUrl = `${
     : baseUrl
 }/alarmHelp`;
 
-
+/**
+ * 读取本地文件
+ * @param id 表格ID
+ * @returns 数据数组
+ * @example
+ * readLoalXlsx('20001').then(res=>{
+ *   console.log(res)
+ * });
+ */
+export async function readLoalXlsx(id: string): Promise<Record<string, any>[]> {
+  const fileBolb = await (await fetch(`${xlsxUrl}/${id}.xlsx`)).arrayBuffer();
+  return readSheet(fileBolb, 0);
+}
 
 /**
- * <EFBFBD><EFBFBD>ʽʱ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
- * @param dateStr ʱ<><CAB1><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
- * @param formatStr ʱ<><CAB1><EFBFBD><EFBFBD>ʽ Ĭ<><C4AC>YYYY-MM-DD HH:mm:ss
- * @returns Date<74><65><EFBFBD><EFBFBD>
+ * 读取表格数据 工作表
+ * @param fileBolb 文件对象
+ * @param index 文件保存路径
+ * @return 表格对象列表
  */
-export async function parseStrToDate():  Promise<Record<string, any>[]> {
-
-      const f = await (await fetch(scriptUrl+"/20001.xlsx")).arrayBuffer();
-      const wb = read(f);1
-      const data = utils.sheet_to_json< Record<string, any>>(wb.Sheets[wb.SheetNames[0]]);
-      console.log(data);
-    return data;
+export async function readSheet(
+  fileBolb: Blob | ArrayBuffer,
+  index: number = 0
+): Promise<Record<string, string>[]> {
+  const workBook = read(fileBolb);
+  let workSheet = workBook.Sheets[workBook.SheetNames[index]];
+  return utils.sheet_to_json<Record<string, string>>(workSheet);
+}
+
+/**
+ * 写入表格数据，一般用于导出
+ * @param filePath 文件路径
+ * @param sheetName 工作表名称
+ * @return xlsx文件流， 使用saveAs函数保存
+ * @example
+ * writeSheet(res.data, from.logType).then(fileBlob =>
+ *   saveAs(fileBlob, `${from.logType}_${Date.now()}.xlsx`)
+ * );
+ *
+ */
+export async function writeSheet(data: any[], sheetName: string) {
+  const workSheet = utils.json_to_sheet(data);
+  // 设置列宽度，单位厘米
+  workSheet['!cols'] = Object.keys(data[0]).map(() => {
+    return { wch: 20 };
+  });
+  const workBook = utils.book_new();
+  utils.book_append_sheet(workBook, workSheet, sheetName);
+  const excelBuffer = write(workBook, { type: 'array', bookType: 'xlsx' });
+  return new Blob([excelBuffer], { type: 'application/octet-stream' });
 }