项目初始化

src/util/excel/exporeExcel.ts

@@ -0,0 +1,34 @@
+//导入依赖项
+import FileSaver from 'file-saver';
+import * as  XLSX from "xlsx";
+
+/**
+ * elemet-ui el-table数据导出为xlsx表格
+ * @param {*} _targetId Element-UI el-table组件的id值
+ */
+export const exportTableAsXLSX = function (tableArray: any[], header: any, name: string) {
+  //根据table生成Book工作簿
+  // let wb = XLSX.utils.table_to_book(document.getElementById('_targetId'));
+
+  let wb = XLSX.utils.book_new()
+  let ws: any = XLSX.utils.json_to_sheet(tableArray, {header: header})
+  wb.SheetNames.push('sheet1');
+  wb.Sheets['sheet1'] = ws;
+  //将Book工作簿作为输出
+  let wbout = XLSX.write(wb, {
+    bookType: "xlsx",
+    bookSST: true,
+    type: "array"
+  });
+  //尝试将当前table内容保存为excel文件
+  try {
+    FileSaver.saveAs(
+      //被导出的blob二进制对象
+      new Blob([wbout], {type: "application/octet-stream"}),
+      //导出文件的名称+后缀名
+      name + ".xlsx"
+    );
+  } catch (e) {
+    if (typeof console !== "undefined") console.log(e, wbout);
+  }
+}