Compétences de collaboration entre Vue et Excel : Comment implémenter la sommation dynamique et l'exportation de données

<template>
    <div>
        <h1>学生列表</h1>
        <table>
            <thead>
                <tr>
                    <th>姓名</th>
                    <th>成绩</th>
                </tr>
            </thead>
            <tbody>
                <tr v-for="student in students" :key="student.id">
                    <td>{{ student.name }}</td>
                    <td>{{ student.score }}</td>
                </tr>
            </tbody>
        </table>
        <p>总分：{{ totalScore }}</p>
    </div>
</template>

<script>
export default {
    data() {
        return {
            students: [
                { id: 1, name: '张三', score: 85 },
                { id: 2, name: '李四', score: 90 },
                { id: 3, name: '王五', score: 78 }
            ]
        };
    },
    computed: {
        totalScore() {
            return this.students.reduce((total, student) => total + student.score, 0);
        }
    }
};
</script>

<template>
    <div>
        <h1>员工表格</h1>
        <table>
            <thead>
                <tr>
                    <th>姓名</th>
                    <th>职位</th>
                    <th>工资</th>
                </tr>
            </thead>
            <tbody>
                <tr v-for="employee in employees" :key="employee.id">
                    <td>{{ employee.name }}</td>
                    <td>{{ employee.position }}</td>
                    <td>{{ employee.salary }}</td>
                </tr>
            </tbody>
        </table>
        <button @click="exportToExcel">导出Excel</button>
    </div>
</template>

<script>
import XLSX from 'xlsx';

export default {
    data() {
        return {
            employees: [
                { id: 1, name: '张三', position: '经理', salary: 10000 },
                { id: 2, name: '李四', position: '主管', salary: 8000 },
                { id: 3, name: '王五', position: '员工', salary: 5000 }
            ]
        };
    },
    methods: {
        exportToExcel() {
            const worksheet = XLSX.utils.json_to_sheet(this.employees);
            const workbook = XLSX.utils.book_new();
            XLSX.utils.book_append_sheet(workbook, worksheet, '员工表');
            XLSX.writeFile(workbook, '员工表.xlsx');
        }
    }
};
</script>