js手机分页

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>手机分页示例</title>
    <style>
        .page {
            display: none;
        }
        .page.active {
            display: block;
        }
    </style>
</head>
<body>
    <div id="content">
        <!-- 页面内容将在这里动态加载 -->
    </div>
    <button onclick="prevPage()">上一页</button>
    <button onclick="nextPage()">下一页</button>

    <script>
        const data = Array.from({ length: 100 }, (_, i) => `Item ${i + 1}`);
        const itemsPerPage = 10;
        let currentPage = 1;

        function displayPage(pageNumber) {
            const start = (pageNumber - 1) * itemsPerPage;
            const end = start + itemsPerPage;
            const pageContent = data.slice(start, end).join('<br>');
            document.getElementById('content').innerHTML = pageContent;
            document.querySelectorAll('.page').forEach(p => p.classList.remove('active'));
            document.getElementById(`page-${pageNumber}`).classList.add('active');
        }

        function nextPage() {
            if (currentPage < Math.ceil(data.length / itemsPerPage)) {
                currentPage++;
                displayPage(currentPage);
            }
        }

        function prevPage() {
            if (currentPage > 1) {
                currentPage--;
                displayPage(currentPage);
            }
        }

        // 初始化显示第一页
        displayPage(currentPage);
    </script>
</body>
</html>