需求：导出自带格式的excel表格

1.自定义二维数组格式 导出

全部代码：

<el-button @click="exportExcel">导出</el-button>
const exportExcel = () => {
  const data = [
    ['商品', '单价', '数量', '总价'],
    ['A', 100, 1.55, { t: 'n', f: 'B2*C2' }],
    ['B', 200, 2.33, { t: 'n', f: 'B3*C3' }]
  ];
  const worksheet = utils.aoa_to_sheet(data);
  const workbook = utils.book_new();
  utils.book_append_sheet(workbook, worksheet, '销售数据');
  writeFile(workbook, '11.xlsx');
};

效果图：