Vue와 Excel을 사용하여 데이터를 일괄 편집하고 내보내는 방법

npm install vue-xlsx --save
npm install xlsx-style --save

<template>
  <div>
    <table>
      <thead>
        <tr>
          <th>姓名</th>
          <th>年龄</th>
          <th>性别</th>
        </tr>
      </thead>
      <tbody>
        <tr v-for="(item, index) in dataList" :key="index">
          <td>{{ item.name }}</td>
          <td>{{ item.age }}</td>
          <td>{{ item.gender }}</td>
        </tr>
      </tbody>
    </table>

    <button @click="exportData">导出数据</button>
    <button @click="importData">导入数据</button>
  </div>
</template>

<script>
import { utils } from "xlsx";
import { read, write } from "vue-xlsx";

export default {
  data() {
    return {
      dataList: [
        { name: "张三", age: 20, gender: "男" },
        { name: "李四", age: 25, gender: "女" },
        { name: "王五", age: 30, gender: "男" },
      ]
    }
  },

  methods: {
    exportData() {
      const worksheet = utils.json_to_sheet(this.dataList);
      const workbook = utils.book_new();
      utils.book_append_sheet(workbook, worksheet, "Sheet1");
      const excelData = write(workbook, { type: "binary" });
      this.downloadExcel(excelData, "data.xlsx");
    },

    importData() {
      const input = document.createElement("input");
      input.type = "file";
      input.accept = ".xlsx";
      input.addEventListener("change", (e) => {
        const fileReader = new FileReader();
        fileReader.onload = (e) => {
          const data = new Uint8Array(e.target.result);
          const workbook = utils.read(data, { type: "array" });
          const worksheet = workbook.Sheets[workbook.SheetNames[0]];
          this.dataList = utils.sheet_to_json(worksheet, { header: 1 });
        }
        fileReader.readAsArrayBuffer(e.target.files[0]);
      });
      input.click();
    },

    downloadExcel(data, filename) {
      const blob = new Blob([data], { type: "application/octet-stream" });
      const url = URL.createObjectURL(blob);
      const link = document.createElement("a");
      link.href = url;
      link.download = filename;
      link.click();
      URL.revokeObjectURL(link.href);
    }
  }
}
</script>