Vue와 Excel을 사용하여 일괄 필터링을 구현하고 데이터를 내보내는 방법

npm install -g @vue/cli

vue create vue-excel-demo

cd vue-excel-demo
npm install vue-excel-export xlsx

<template>
  <div>
    <input type="text" v-model="keyword" placeholder="请输入筛选关键字" />
    <button @click="filterData">筛选</button>
    <button @click="exportData">导出</button>

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

<script>
import { export_json_to_excel } from "xlsx";

export default {
  data() {
    return {
      data: [
        { id: 1, name: "张三", age: 18, gender: "男" },
        { id: 2, name: "李四", age: 20, gender: "女" },
        { id: 3, name: "王五", age: 22, gender: "男" }
      ],
      keyword: ""
    };
  },
  computed: {
    filteredData() {
      if (this.keyword === "") {
        return this.data;
      } else {
        return this.data.filter(item => item.name.includes(this.keyword));
      }
    }
  },
  methods: {
    filterData() {
      console.log("筛选数据");
      // 这里可以进行筛选逻辑的处理
    },
    exportData() {
      console.log("导出数据");
      const jsonData = JSON.parse(JSON.stringify(this.filteredData));
      const worksheet = xlsx.utils.json_to_sheet(jsonData);
      const workbook = xlsx.utils.book_new();
      xlsx.utils.book_append_sheet(workbook, worksheet, "Sheet1");
      const excelBuffer = xlsx.write(workbook, {
        bookType: "xlsx",
        type: "array"
      });
      const data = new Blob([excelBuffer], { type: "application/octet-stream" });
      FileSaver.saveAs(data, "导出数据.xlsx");
    }
  }
};
</script>

// 导入相关库
import { export_json_to_excel } from "xlsx";
import FileSaver from "file-saver";

// 导出数据
exportData() {
  console.log("导出数据");
  // 将筛选后的数据转换为Excel的工作表数据结构
  const jsonData = JSON.parse(JSON.stringify(this.filteredData));
  const worksheet = xlsx.utils.json_to_sheet(jsonData);
  
  // 创建并配置Excel工作簿
  const workbook = xlsx.utils.book_new();
  xlsx.utils.book_append_sheet(workbook, worksheet, "Sheet1");
  
  // 导出Excel文件
  const excelBuffer = xlsx.write(workbook, {
    bookType: "xlsx",
    type: "array"
  });
  const data = new Blob([excelBuffer], { type: "application/octet-stream" });
  FileSaver.saveAs(data, "导出数据.xlsx");
}