FeedLite/lib/layout.php

<?php
/**
 * 页面外壳（头部 / 底部）
 */
if (!defined('FB_ROOT')) { http_response_code(403); exit('forbidden'); }

/**
 * 输出页面头部
 * @param string $title  页面标题
 * @param array  $opt    ['robots' => 'noindex', 'desc' => '...']
 */
function fb_layout_head($title, array $opt = []) {
    $site   = (string)fb_cfg('site_name');
    $robots = isset($opt['robots']) ? (string)$opt['robots'] : 'index,follow';
    $full   = $title === '' ? $site : ($title . ' · ' . $site);

    /* ---- 按软件换主题色 ----
     * 通过 $opt['software'] 传入软件行；全站主题只靠 --brand / --brand-600 /
     * --brand-soft 三个变量，覆写它们即可，不用为每个软件写一套 CSS。
     * 没传软件（如后台、安装页）就用主题默认色，保持中性。 */
    $swColors = null;
    if (!empty($opt['software'])) {
        list($cMain, $cDark, $cSoft) = fb_software_colors($opt['software']);
        if ($cMain !== '') { $swColors = [$cMain, $cDark, $cSoft]; }
    }
    $themeColor = $swColors ? $swColors[0] : '#0057B8';
    ?><!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
<meta name="theme-color" content="<?php echo e($themeColor); ?>">
<meta name="robots" content="<?php echo e($robots); ?>">
<title><?php echo e($full); ?></title>
<link rel="icon" type="image/svg+xml" href="assets/favicon.svg">
<link rel="icon" type="image/x-icon" href="assets/favicon.ico">
<link rel="icon" type="image/png" sizes="32x32" href="assets/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="assets/favicon-16x16.png">
<link rel="apple-touch-icon" sizes="180x180" href="assets/apple-touch-icon.png">
<link rel="manifest" href="assets/site.webmanifest">
<link rel="stylesheet" href="assets/style.css?v=<?php echo (int)FB_ASSET_V; ?>">
<?php if ($swColors): ?>
<?php /* 按软件覆写主题色：只改这三个变量，其它样式自动跟着变 */ ?>
<style>:root{
  --brand:<?php echo e($swColors[0]); ?>;
  --brand-600:<?php echo e($swColors[1]); ?>;
  --brand-soft:<?php echo e($swColors[2]); ?>;
}</style>
<?php endif; ?>
</head>
<body>
<header class="topbar">
  <div class="wrap">
    <a class="brand-mini" href="./" title="<?php echo e($site); ?>">
      <span class="logo-mark" role="img" aria-label="轻反馈图标"></span>
      <span class="brand-text"><?php echo e($site); ?></span>
    </a>
    <div class="spacer"></div>
    <a class="navlink hide-sm" href="./">全部问题</a>
    <?php if (fb_admin_logged_in()): ?><a class="navlink" href="admin.php">管理后台</a><?php endif; ?>
    <a class="btn-mini" href="new.php">我要反馈</a>
  </div>
</header>
<main class="wrap">
<?php
}

/** 输出页面底部 */
function fb_layout_foot() {
    // 页脚两件事：① 常驻「管理后台」入口（省得每次手敲 admin.php）；② 可关闭的 FeedLite 版权句。
    // 版权句里的 FeedLite 指向开源仓库，地址可后台改；关掉开关则整句不渲染，只留管理后台链接。
    $showCredit = (bool)fb_cfg('footer.show_credit', true);
    $creditUrl  = trim((string)fb_cfg('footer.credit_url', ''));
    if ($creditUrl === '') { $creditUrl = fb_credit_url_default(); }
    // 只放行 http/https：防止把 javascript:/data: 之类写进页脚链接（后台设置项，同样要防）
    if (!preg_match('~^https?://~i', $creditUrl)) { $creditUrl = fb_credit_url_default(); }
    ?>
<footer class="foot">
  <div class="wrap">
    <p class="muted">本站仅保存你提交的昵称、邮箱与内容，用于问题跟进；页面不会公开展示邮箱与手机号。</p>
    <p class="muted foot-line">
      <?php if ($showCredit): ?><span><?php echo e((string)fb_cfg('site_name', '轻反馈')); ?> · 由 <a href="<?php echo e($creditUrl); ?>" target="_blank" rel="noopener">FeedLite</a> 驱动</span><?php endif; ?>
      <?php if ($showCredit): ?><span class="dot">·</span><?php endif; ?>
      <a href="admin.php">管理后台</a>
    </p>
  </div>
</footer>
<script src="assets/app.js?v=<?php echo (int)FB_ASSET_V; ?>"></script>
</body>
</html><?php
}

/** 渲染提示条 */
function fb_flash_box($msg, $type = 'error') {
    if ($msg === '' || $msg === null) { return; }
    echo '<div class="flash ' . e($type) . '">' . e($msg) . '</div>';
}

/**
 * 渲染附件上传控件（图片 / 视频；上传经服务器中转落地，local/OSS 前端同一路径）
 * 需置于 <form> 内部：会输出一个 name="attachments" 的隐藏字段，
 * 由 assets/app.js 在文件上传成功后回填 JSON 描述。
 *
 * @param array $existing 校验失败时已上传的附件描述（避免用户重复上传）
 */
function fb_uploaders(array $existing = []) {
    $kinds = [];
    if (fb_upload_kind_on('image')) { $kinds[] = 'image'; }
    if (fb_upload_kind_on('video')) { $kinds[] = 'video'; }
    if (!$kinds) { return; }

    $init = [];
    foreach ($existing as $it) {
        $kind = isset($it['kind']) ? (string)$it['kind'] : 'image';
        $key  = isset($it['key']) ? (string)$it['key'] : '';
        if ($key === '') { continue; }
        $init[] = [
            'kind'  => $kind,
            'key'   => $key,
            'size'  => isset($it['size']) ? (int)$it['size'] : 0,
            'name'  => isset($it['name']) ? (string)$it['name'] : '',
            'mime'  => isset($it['mime']) ? (string)$it['mime'] : '',
            'w'     => isset($it['width']) ? (int)$it['width'] : 0,
            'h'     => isset($it['height']) ? (int)$it['height'] : 0,
            'url'   => fb_attach_url($key),
            'thumb' => $kind === 'image' ? fb_attach_thumb_url($key, 360) : '',
        ];
    }
    ?>
<div class="uploader-box"
     data-uploader-root
     data-csrf="<?php echo e(fb_csrf_token()); ?>"
     data-sign-url="upload.php"
     data-init="<?php echo e(json_encode($init, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES)); ?>">

  <?php foreach ($kinds as $kind):
      $isImg   = ($kind === 'image');
      $maxN    = (int)fb_upload_cfg($kind . '_max_per_post', 1);
      $maxB    = (int)fb_upload_cfg($kind . '_max_bytes', 0);
      $accept  = implode(',', (array)fb_upload_cfg($kind . '_mimes', []));
      $label   = $isImg ? '图片' : '视频';
      // 0 表示不限制，文案别写成「最多 0 张」
      $cntTxt = $maxN > 0 ? ('最多 ' . $maxN . ($isImg ? ' 张' : ' 个')) : '数量不限';
      $sizeTxt = $maxB > 0
          ? ('单' . ($isImg ? '张' : '个') . '不超过 ' . fb_size_h($maxB))
          : '大小不限';
      $desc = $cntTxt . '，' . $sizeTxt . ($isImg ? '；大图会自动压缩后上传' : '');
  ?>
  <div class="uploader" data-uploader data-kind="<?php echo e($kind); ?>"
       data-max-count="<?php echo $maxN; ?>"
       data-max-bytes="<?php echo $maxB; ?>"
       data-max-side="<?php echo (int)fb_upload_cfg('image_max_side', 1600); ?>"
       data-accept="<?php echo e($accept); ?>"
       data-label="<?php echo e($label); ?>">
    <div class="up-head">
      <span class="up-title"><?php echo e($label); ?> <i class="hint"><?php echo e($desc); ?></i></span>
      <button type="button" class="btn up-pick">选择<?php echo e($label); ?></button>
      <input type="file" class="up-file" accept="<?php echo e($accept); ?>"
             <?php echo $isImg ? 'multiple' : ''; ?> tabindex="-1">
    </div>
    <div class="up-list"></div>
  </div>
  <?php endforeach; ?>

  <input type="hidden" name="attachments" class="att-field" value="">
</div>
<?php
}