如何实现记账系统的报销和审批功能 - 使用PHP开发报销和审批的方法

<form action="process-expense.php" method="POST">
    <input type="text" name="amount" placeholder="报销费用">
    <textarea name="description" placeholder="报销描述"></textarea>
    <button type="submit">提交</button>
</form>

<?php
// 连接数据库
$db = new PDO('mysql:host=localhost;dbname=your_database_name', 'username', 'password');

// 获取报销信息
$amount = $_POST['amount'];
$description = $_POST['description'];

// 插入报销数据
$query = "INSERT INTO expenses (user_id, amount, description, status, created_at) VALUES (?, ?, ?, 'pending', NOW())";
$stmt = $db->prepare($query);
$stmt->execute([$_SESSION['user_id'], $amount, $description]);

echo "报销申请已提交";
?>

<?php
// 连接数据库
$db = new PDO('mysql:host=localhost;dbname=your_database_name', 'username', 'password');

// 查询待审核的报销申请
$query = "SELECT * FROM expenses WHERE status = 'pending'";
$stmt = $db->query($query);
$expenses = $stmt->fetchAll(PDO::FETCH_ASSOC);

// 显示报销申请列表
foreach ($expenses as $expense) {
    echo "<p>报销费用：" . $expense['amount'] . "</p>";
    echo "<p>报销描述：" . $expense['description'] . "</p>";
    echo "<button onclick='approveExpense(" . $expense['id'] . ")'>通过</button>";
    echo "<button onclick='rejectExpense(" . $expense['id'] . ")'>拒绝</button>";
}
?>

<?php
// 连接数据库
$db = new PDO('mysql:host=localhost;dbname=your_database_name', 'username', 'password');

// 获取报销申请ID和审批状态
$expenseId = $_POST['expenseId'];
$status = $_POST['status'];
$comment = $_POST['comment'];

// 更新报销数据状态
$query = "UPDATE expenses SET status = ?, updated_at = NOW() WHERE id = ?";
$stmt = $db->prepare($query);
$stmt->execute([$status, $expenseId]);

// 添加审批意见
$query = "INSERT INTO approvals (expense_id, approver_id, status, comment, created_at) VALUES (?, ?, ?, ?, NOW())";
$stmt = $db->prepare($query);
$stmt->execute([$expenseId, $_SESSION['user_id'], $status, $comment]);

echo "审批已完成";
?>