Kerjasama tersirat antara Vue dan Excel: cara merealisasikan pengubahsuaian kelompok dan eksport data

npm install vue-xlsx xlsx

import Vue from 'vue';
import VueXlsx from 'vue-xlsx';

Vue.use(VueXlsx);

<template>
  <div>
    <table>
      <thead>
        <tr>
          <th>姓名</th>
          <th>年龄</th>
          <th>成绩</th>
        </tr>
      </thead>
      <tbody>
        <tr v-for="(student, index) in students" :key="index">
          <td>{{ student.name }}</td>
          <td>{{ student.age }}</td>
          <td>{{ student.score }}</td>
        </tr>
      </tbody>
    </table>

    <button @click="exportData">导出数据</button>
    <input type="file" @change="importData" accept=".xlsx" />
  </div>
</template>

<script>
export default {
  data() {
    return {
      students: [
        { name: '张三', age: 18, score: 90 },
        { name: '李四', age: 19, score: 85 },
        { name: '王五', age: 20, score: 95 },
      ],
    };
  },
  methods: {
    exportData() {
      const data = [['姓名', '年龄', '成绩']];
      this.students.forEach(student => {
        data.push([student.name, student.age, student.score]);
      });
      this.$xlsx.export(data, '学生信息.xlsx');
    },
    importData(event) {
      const file = event.target.files[0];
      const reader = new FileReader();
      reader.onload = (e) => {
        const data = this.$xlsx.parse(e.target.result);
        // 处理解析后的数据
      };
      reader.readAsBinaryString(file);
    },
  },
};
</script>

import xlsx from 'xlsx';

Vue.prototype.$xlsx = {
  export(data, filename) {
    const ws = xlsx.utils.aoa_to_sheet(data);
    const wb = xlsx.utils.book_new();
    xlsx.utils.book_append_sheet(wb, ws, 'Sheet1');
    xlsx.writeFile(wb, filename);
  },
  parse(data) {
    const wb = xlsx.read(data, { type: 'binary' });
    const ws = wb.Sheets[wb.SheetNames[0]];
    return xlsx.utils.sheet_to_json(ws, { header: 1 });
  },
};

npm install
npm run serve