Vue 및 Excel을 사용하여 자동으로 데이터를 필터링하고 내보내는 방법

// 安装vue和vue-router库
npm install vue
npm install vue-router

// 安装exceljs库
npm install exceljs

import Vue from 'vue'
import VueRouter from 'vue-router'
import ExcelJS from 'exceljs'

Vue.use(VueRouter)

Vue.prototype.$ExcelJS = ExcelJS

<template>
  <div>
    <table>
      <thead>
        <tr>
          <th>姓名</th>
          <th>性别</th>
          <th>年龄</th>
        </tr>
      </thead>
      <tbody>
        <tr v-for="item in filteredData" :key="item.id">
          <td>{{ item.name }}</td>
          <td>{{ item.sex }}</td>
          <td>{{ item.age }}</td>
        </tr>
      </tbody>
    </table>
    <button @click="exportData">导出数据</button>
  </div>
</template>

<script>
export default {
  data() {
    return {
      data: [
        { id: 1, name: '张三', sex: '男', age: 25 },
        { id: 2, name: '李四', sex: '女', age: 30 },
        { id: 3, name: '王五', sex: '男', age: 28 },
        // 此处省略其他数据
      ],
      filter: {
        name: '',
        sex: '',
        age: ''
      }
    }
  },
  computed: {
    filteredData() {
      let filteredData = this.data

      if (this.filter.name) {
        filteredData = filteredData.filter(item => item.name.includes(this.filter.name))
      }

      if (this.filter.sex) {
        filteredData = filteredData.filter(item => item.sex === this.filter.sex)
      }

      if (this.filter.age) {
        filteredData = filteredData.filter(item => item.age === parseInt(this.filter.age))
      }

      return filteredData
    }
  },
  methods: {
    exportData() {
      const workbook = new this.$ExcelJS.Workbook()
      const worksheet = workbook.addWorksheet('数据')

      // 添加表头
      worksheet.addRow(['姓名', '性别', '年龄'])

      // 添加数据
      this.filteredData.forEach(item => {
        worksheet.addRow([item.name, item.sex, item.age])
      })

      // 导出Excel文件
      workbook.xlsx.writeBuffer().then(buffer => {
        const blob = new Blob([buffer], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' })
        const url = URL.createObjectURL(blob)

        const link = document.createElement('a')
        link.href = url
        link.download = '数据导出.xlsx'
        link.click()
      })
    }
  }
}
</script>

<template>
  <div>
    <!-- 此处省略其他内容 -->
    <DataExport/>
  </div>
</template>

<script>
import DataExport from './DataExport.vue'

export default {
  components: {
    DataExport
  },
  // 此处省略其他代码
}
</script>