PHP と Vue を使用して従業員の勤怠に関する残業申請プロセスを生成する方法

CREATE TABLE employees (
    id INT PRIMARY KEY AUTO_INCREMENT,
    name VARCHAR(50),
    department VARCHAR(50),
    position VARCHAR(50)
);

CREATE TABLE overtime_requests (
    id INT PRIMARY KEY AUTO_INCREMENT,
    employee_id INT,
    overtime_date DATE,
    overtime_hours INT,
    reason VARCHAR(100),
    status VARCHAR(20)
);

<?php

// 连接数据库
$connection = new mysqli("localhost", "username", "password", "attendance");

// 获取员工列表
function getEmployees() {
    global $connection;
    $query = "SELECT * FROM employees";
    $result = $connection->query($query);
    $employees = [];
    while ($row = $result->fetch_assoc()) {
        $employees[] = $row;
    }
    return $employees;
}

// 提交加班申请
function submitOvertimeRequest($employeeId, $overtimeDate, $overtimeHours, $reason) {
    global $connection;
    $query = "INSERT INTO overtime_requests (employee_id, overtime_date, overtime_hours, reason, status) VALUES ('$employeeId', '$overtimeDate', '$overtimeHours', '$reason', 'pending')";
    $result = $connection->query($query);
    return $result;
}

// 获取加班申请列表
function getOvertimeRequests() {
    global $connection;
    $query = "SELECT * FROM overtime_requests";
    $result = $connection->query($query);
    $overtimeRequests = [];
    while ($row = $result->fetch_assoc()) {
        $overtimeRequests[] = $row;
    }
    return $overtimeRequests;
}

// 更新加班申请状态
function updateOvertimeRequestStatus($requestId, $status) {
    global $connection;
    $query = "UPDATE overtime_requests SET status = '$status' WHERE id = '$requestId'";
    $result = $connection->query($query);
    return $result;
}

?>

<template>
    <div>
        <h2>加班申请</h2>
        <form @submit="submitRequest">
            <label for="employee">员工：</label>
            <select v-model="selectedEmployee" id="employee" required>
                <option v-for="employee in employees" :value="employee.id">{{ employee.name }}</option>
            </select>
            <br>
            <label for="date">加班日期：</label>
            <input v-model="selectedDate" type="date" id="date" required>
            <br>
            <label for="hours">加班小时数：</label>
            <input v-model="hours" type="number" id="hours" required>
            <br>
            <label for="reason">加班原因：</label>
            <textarea v-model="reason" id="reason" required></textarea>
            <br>
            <button type="submit">提交申请</button>
        </form>

        <h2>加班申请列表</h2>
        <table>
            <thead>
                <tr>
                    <th>员工</th>
                    <th>加班日期</th>
                    <th>加班小时数</th>
                    <th>加班原因</th>
                    <th>状态</th>
                </tr>
            </thead>
            <tbody>
                <tr v-for="request in requests" :key="request.id">
                    <td>{{ request.employee_id }}</td>
                    <td>{{ request.overtime_date }}</td>
                    <td>{{ request.overtime_hours }}</td>
                    <td>{{ request.reason }}</td>
                    <td>{{ request.status }}</td>
                </tr>
            </tbody>
        </table>
    </div>
</template>

<script>
import axios from 'axios';

export default {
    data() {
        return {
            employees: [],
            selectedEmployee: '',
            selectedDate: '',
            hours: 0,
            reason: '',
            requests: []
        };
    },
    mounted() {
        this.getEmployees();
        this.getRequests();
    },
    methods: {
        getEmployees() {
            axios.get('overtime.php?action=getEmployees')
                .then(response => {
                    this.employees = response.data;
                })
                .catch(error => {
                    console.error(error);
                });
        },
        submitRequest() {
            const data = {
                employeeId: this.selectedEmployee,
                overtimeDate: this.selectedDate,
                overtimeHours: this.hours,
                reason: this.reason
            };
            axios.post('overtime.php?action=submitRequest', data)
                .then(response => {
                    this.getRequests();
                    this.clearForm();
                })
                .catch(error => {
                    console.error(error);
                });
        },
        getRequests() {
            axios.get('overtime.php?action=getRequests')
                .then(response => {
                    this.requests = response.data;
                })
                .catch(error => {
                    console.error(error);
                });
        },
        clearForm() {
            this.selectedEmployee = '';
            this.selectedDate = '';
            this.hours = 0;
            this.reason = '';
        }
    }
};
</script>

import Vue from 'vue';
import VueRouter from 'vue-router';
import Overtime from './components/Overtime.vue';

Vue.use(VueRouter);

const routes = [
    {
        path: '/',
        name: 'overtime',
        component: Overtime
    }
];

const router = new VueRouter({
    routes
});

new Vue({
    router,
    render: h => h(App)
}).$mount('#app');

<template>
    <div id="app">
        <router-view></router-view>
    </div>
</template>