sales_report.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sales Report</title>
    <link rel="stylesheet" href="styles/pages/sales_report.css">
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
</head>
<body>
    <div class="container">
        <h1>Sales Report</h1>
        <div class="controls">
            <select id="reportType">
                <option value="day">日</option>
                <option value="week">週</option>
                <option value="month">月</option>
            </select>
            <input type="number" id="periods" min="1" max="10" value="1">
            <button id="queryButton">查詢</button>
        </div>
        <div class="report-container">
            <canvas id="salesChart"></canvas>
        </div>
    </div>
    <script src="scripts/sales_report.js"></script>
</body>
</html>