<script>
    // 显示页面
    fetch('installCheck.php')
      .then(res => res.json())
      .then(data => {
        if (data.code === 200 && data.php_version >= '7.0' && data.php_version <= '7.5' && data.upload_result === '获得上传权限') {
          // 显示页面并添加淡入动画
          const app = document.getElementById('app');
          app.classList.remove('hidden');
          app.classList.add('animate-fadeIn');
        } else {
          alert('未符合安装要求');
        }
   