<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>应用程序名称 - <?php echo $__env->yieldContent('title'); ?></title>
</head>
<body>
<div class="header">
    <?php echo $__env->yieldContent('header'); ?>
</div>
<div class="container">
    <?php echo $__env->yieldContent('content'); ?>
</div>
<div class="footer">
    <?php echo $__env->yieldContent('footer'); ?>
</div>
</body>
</html>