445 lines
22 KiB
PHP
445 lines
22 KiB
PHP
<?php
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/**
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* admin/articles.php —— 文章管理
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* 分区 + 标题 + 摘要 + Markdown 正文的管理（SQLite 存储）；
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* 文章正文图片上传到 data/articles/img/，正文用站点相对路径引用。
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*/
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$P = '../';
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require_once __DIR__ . '/_guard.php';
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$pdo = db();
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function settings_set(string $key, string $value): void
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{
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$st = db()->prepare('INSERT INTO settings (key, value) VALUES (?, ?)
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ON CONFLICT(key) DO UPDATE SET value = excluded.value');
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$st->execute([$key, $value]);
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}
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function renumber_sorts(PDO $pdo): void
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{
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$rows = $pdo->query('SELECT id, part, sort FROM articles ORDER BY part ASC, sort ASC, id ASC')->fetchAll();
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$idxByPart = [];
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$st = $pdo->prepare('UPDATE articles SET sort = ? WHERE id = ?');
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foreach ($rows as $r) {
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$key = (string)$r['part'];
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if (!isset($idxByPart[$key])) {
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$idxByPart[$key] = 1;
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}
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$st->execute([$idxByPart[$key], (int)$r['id']]);
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$idxByPart[$key]++;
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}
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}
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function msg_block(string $kind, string $text): string
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{
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return '<div class="' . ($kind === 'ok' ? 'ok-msg' : 'err-msg') . '">' . he($text) . '</div>';
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}
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$msgKind = '';
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$msgText = '';
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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if (!csrf_verify()) {
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$msgKind = 'err';
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$msgText = '安全校验失败，请刷新页面重试。';
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} else {
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$act = (string)($_POST['act'] ?? '');
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switch ($act) {
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case 'note':
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settings_set('article_note', trim((string)($_POST['note'] ?? '')));
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touch_last_updated();
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$msgKind = 'ok';
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$msgText = '文章区首页注要已保存。';
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break;
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case 'save':
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$id = max(0, (int)($_POST['id'] ?? 0));
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$part = trim((string)($_POST['part'] ?? ''));
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$title = trim((string)($_POST['title'] ?? ''));
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$summary = trim((string)($_POST['summary'] ?? ''));
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$md = (string)($_POST['markdown'] ?? '');
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$sort = max(0, (int)($_POST['sort'] ?? 0));
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$pinned = (isset($_POST['pinned']) && $_POST['pinned'] === '1') ? 1 : 0;
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$enabled = (isset($_POST['enabled']) && $_POST['enabled'] === '1') ? 1 : 0;
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// 分发到库首页（文章区）：board_cats 逗号分隔；未勾选=不展示到库页
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$bcKept = [];
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foreach ((array)($_POST['board_cats'] ?? []) as $bk) {
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$bk = trim((string)$bk);
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if (in_array($bk, ['popular', 'red', 'blue'], true) && !in_array($bk, $bcKept, true)) {
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$bcKept[] = $bk;
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}
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}
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$boardCats = implode(',', $bcKept);
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if ($part === '' || $part === '__new__') {
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$part = '未分类';
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}
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if ($title === '') {
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$msgKind = 'err';
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$msgText = '文章标题不能为空。';
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} elseif ($id > 0) {
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$st = $pdo->prepare('UPDATE articles SET part=?, title=?, summary=?, markdown=?, pinned=?, enabled=?, sort=?, board_cats=?, updated_at=? WHERE id=?');
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$st->execute([$part, $title, $summary, $md, $pinned, $enabled, $sort, $boardCats, date('Y-m-d H:i:s'), $id]);
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$msgKind = 'ok';
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$msgText = '文章已保存。';
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} else {
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$st = $pdo->prepare('INSERT INTO articles (part, title, summary, markdown, pinned, enabled, sort, board_cats, created_at, updated_at) VALUES (?,?,?,?,?,?,?,?,?,?)');
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$now = date('Y-m-d H:i:s');
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$st->execute([$part, $title, $summary, $md, $pinned, $enabled, $sort, $boardCats, $now, $now]);
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$id = (int)$pdo->lastInsertId();
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$msgKind = 'ok';
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$msgText = '文章已发布（可继续编辑）。';
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}
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if ($msgKind === 'ok') {
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renumber_sorts($pdo);
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touch_last_updated();
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header('Location: articles.php?edit=' . $id . '&ok=1');
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exit;
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}
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break;
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case 'del':
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$id = (int)($_POST['id'] ?? 0);
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if ($id > 0) {
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$pdo->prepare('DELETE FROM articles WHERE id = ?')->execute([$id]);
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renumber_sorts($pdo);
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touch_last_updated();
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$msgKind = 'ok';
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$msgText = '文章已删除。';
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}
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break;
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case 'toggle':
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$id = (int)($_POST['id'] ?? 0);
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$field = (string)($_POST['field'] ?? '');
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if ($id > 0 && ($field === 'pinned' || $field === 'enabled')) {
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$cur = (int)$pdo->query('SELECT ' . $field . ' FROM articles WHERE id = ' . $id)->fetchColumn();
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$pdo->prepare('UPDATE articles SET ' . $field . ' = ? WHERE id = ?')->execute([$cur ? 0 : 1, $id]);
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$msgKind = 'ok';
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$msgText = $field === 'pinned' ? '置顶状态已更新。' : '启停状态已更新。';
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}
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break;
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case 'move':
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$id = (int)($_POST['id'] ?? 0);
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$dir = ((string)($_POST['dir'] ?? '') === 'down') ? 'down' : 'up';
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$rows = $pdo->query('SELECT id, part, sort FROM articles ORDER BY part ASC, sort ASC, id ASC')->fetchAll();
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$idx = -1;
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foreach ($rows as $i => $r) {
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if ((int)$r['id'] === $id) {
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$idx = $i;
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break;
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}
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}
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if ($idx >= 0) {
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$target = ($dir === 'down') ? $idx + 1 : $idx - 1;
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if ($target >= 0 && $target < count($rows) && $rows[$target]['part'] === $rows[$idx]['part']) {
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$tmp = $rows[$idx];
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$rows[$idx] = $rows[$target];
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$rows[$target] = $tmp;
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renumber_sorts($pdo);
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$msgKind = 'ok';
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$msgText = '顺序已调整。';
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}
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}
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break;
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case 'upload':
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// 图片上传（供编辑器 XHR 使用，返回 JSON）
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header('Content-Type: application/json; charset=utf-8');
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$up = $_FILES['file'] ?? null;
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if (!$up || ($up['error'] ?? UPLOAD_ERR_NO_FILE) !== UPLOAD_ERR_OK) {
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echo json_encode(['ok' => false, 'msg' => '未收到文件'], JSON_UNESCAPED_UNICODE);
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exit;
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}
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if (($up['size'] ?? 0) > 2 * 1024 * 1024) {
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echo json_encode(['ok' => false, 'msg' => '图片不能超过 2MB'], JSON_UNESCAPED_UNICODE);
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exit;
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}
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$extMap = ['png' => 'png', 'jpg' => 'jpg', 'jpeg' => 'jpg', 'gif' => 'gif', 'webp' => 'webp', 'svg' => 'svg'];
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$ext = strtolower(pathinfo((string)$up['name'], PATHINFO_EXTENSION));
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if (!isset($extMap[$ext])) {
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echo json_encode(['ok' => false, 'msg' => '仅支持 png / jpg / gif / webp / svg'], JSON_UNESCAPED_UNICODE);
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exit;
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}
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$dir = DATA_DIR . '/articles/img';
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if (!is_dir($dir)) {
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@mkdir($dir, 0777, true);
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}
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$filename = 'art_' . date('YmdHis') . '_' . bin2hex(random_bytes(4)) . '.' . $extMap[$ext];
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if (!@move_uploaded_file($up['tmp_name'], $dir . '/' . $filename)) {
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echo json_encode(['ok' => false, 'msg' => '保存失败，请检查 data/articles/img 目录权限'], JSON_UNESCAPED_UNICODE);
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exit;
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}
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echo json_encode(['ok' => true, 'file' => 'data/articles/img/' . $filename], JSON_UNESCAPED_UNICODE);
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exit;
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default:
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$msgKind = 'err';
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$msgText = '未知操作。';
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}
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}
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}
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$savedFlag = isset($_GET['ok']);
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$list = $pdo->query('SELECT * FROM articles ORDER BY part ASC, sort ASC, id ASC')->fetchAll();
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$noteText = setting_get('article_note', '');
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$editing = false;
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$row = null;
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$editId = (int)($_GET['edit'] ?? 0);
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if ($editId > 0) {
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$st = $pdo->prepare('SELECT * FROM articles WHERE id = ?');
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$st->execute([$editId]);
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$row = $st->fetch();
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if ($row) {
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$editing = true;
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}
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}
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layout_head('文章管理');
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admin_topbar('articles');
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?>
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<main class="page-main">
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<div class="wrap page-body">
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<h2 style="margin-bottom:6px">文章管理</h2>
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<p class="tip">文章库（第五大板块）的文章维护：正文为标准 Markdown，图片统一上传到 data/articles/img 目录。</p>
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<?php if ($savedFlag): ?>
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<div class="ok-msg">保存成功，文章库前台已同步更新。</div>
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<?php endif; ?>
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<?php if ($msgText !== ''): echo msg_block($msgKind, $msgText); endif; ?>
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<?php if ($editing || isset($_GET['new'])): ?>
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<?php
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$cur = $row ? [
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'id' => (int)$row['id'], 'part' => (string)$row['part'], 'title' => (string)$row['title'],
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'summary' => (string)$row['summary'], 'md' => (string)$row['markdown'],
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'sort' => (int)$row['sort'], 'pinned' => (int)$row['pinned'], 'enabled' => (int)$row['enabled'],
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'board_cats' => trim((string)($row['board_cats'] ?? '')),
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] : ['id' => 0, 'part' => '未分类', 'title' => '', 'summary' => '', 'md' => '', 'sort' => 0, 'pinned' => 0, 'enabled' => 1, 'board_cats' => ''];
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// 分区下拉选项：未分类 + 全部已有分区；编辑中的自定义分区自动补充，保证能回显选中
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$curPart = trim((string)$cur['part']);
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if ($curPart === '') { $curPart = '未分类'; }
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$partOptions = ['未分类'];
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foreach ($list as $a2) {
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$p2 = trim((string)$a2['part']);
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if ($p2 === '' || $p2 === '未分类') continue;
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if (!in_array($p2, $partOptions, true)) { $partOptions[] = $p2; }
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}
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if (!in_array($curPart, $partOptions, true)) { array_unshift($partOptions, $curPart); }
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?>
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<div class="fieldset-card">
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<div class="fs-title"><?= $cur['id'] ? '编辑文章 #' . $cur['id'] : '新增文章' ?></div>
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<form method="post">
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<?= csrf_field() ?>
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<input type="hidden" name="act" value="save">
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<input type="hidden" name="id" value="<?= (int)$cur['id'] ?>">
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<div class="field-row" style="flex-wrap:wrap">
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<div style="flex:1 1 200px;min-width:160px">
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<label class="fl">分区 / 栏目</label>
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<select name="part" id="artPartSel">
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<?php foreach ($partOptions as $po): ?>
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<option value="<?= he($po) ?>"<?= $curPart === $po ? ' selected' : '' ?>><?= he($po) ?></option>
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<?php endforeach; ?>
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<option value="__new__">＋ 新建分区…</option>
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</select>
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<input type="text" id="artPartNew" placeholder="输入新分区名称，回车确认" style="display:none">
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<span class="tip" style="display:block;margin-top:4px">可直接下拉选择已有分区；需要新栏目时选「＋ 新建分区…」并输入名称后回车。</span>
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</div>
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<div style="flex:2 1 260px;min-width:200px">
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<label class="fl">文章标题</label>
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<input type="text" name="title" value="<?= he($cur['title']) ?>" required>
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</div>
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<div style="flex:0 1 120px;min-width:90px">
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<label class="fl">排序（组内）</label>
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<input type="number" name="sort" value="<?= (int)$cur['sort'] ?>" min="0" max="999">
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</div>
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</div>
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<label class="fl">摘要 / 一句话简介（文章区列表展示）</label>
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<input type="text" name="summary" value="<?= he($cur['summary']) ?>" placeholder="可选">
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<div class="field-row" style="gap:18px;margin:6px 0">
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<label class="seg-check"><input type="checkbox" name="pinned" value="1"<?= $cur['pinned'] ? ' checked' : '' ?>> 置顶（首页文章区默认最前）</label>
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<label class="seg-check"><input type="checkbox" name="enabled" value="1"<?= $cur['enabled'] ? ' checked' : '' ?>> 前台可见</label>
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</div>
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<?php $artBc = array_map('trim', explode(',', (string)$cur['board_cats'])); ?>
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<label class="fl">分发到库首页「文章区」（不勾选=不在科普 / 红队 / 蓝队库首页展示）</label>
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<div class="field-row" style="gap:18px;margin:6px 0">
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<label class="seg-check"><input type="checkbox" name="board_cats[]" value="popular"<?= in_array('popular', $artBc, true) ? ' checked' : '' ?>>科普库首页</label>
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<label class="seg-check"><input type="checkbox" name="board_cats[]" value="red"<?= in_array('red', $artBc, true) ? ' checked' : '' ?>>红队库首页</label>
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<label class="seg-check"><input type="checkbox" name="board_cats[]" value="blue"<?= in_array('blue', $artBc, true) ? ' checked' : '' ?>>蓝队库首页</label>
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</div>
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<label class="fl">正文（Markdown）</label>
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<textarea name="markdown" rows="16" style="font-family:Consolas,Menlo,monospace;font-size:13px"><?= he($cur['md']) ?></textarea>
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<div class="field-row" style="margin-top:8px;align-items:center">
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<input type="file" id="artImg" accept="image/png,image/jpeg,image/gif,image/webp,image/svg+xml" style="flex:0 1 260px">
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<button type="button" class="btn btn-sm" id="artImgUpload">上传图片并插入引用</button>
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<span class="tip">上传后自动在正文末尾插入 <code></code> 形式引用；引用路径相对站点根目录，渲染时自动补全前缀。</span>
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</div>
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<div id="artUpMsg" style="margin-top:6px"></div>
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<div class="field-row" style="margin-top:14px">
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<button type="submit" class="btn btn-primary">保存文章</button>
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<a class="btn" href="articles.php">取消 / 返回列表</a>
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</div>
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</form>
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</div>
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<?php endif; ?>
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<!-- 文章区首页注要 -->
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<div class="fieldset-card">
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<div class="fs-title">文章区首页注要（顶部展示给读者的说明文字）</div>
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<form method="post">
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<?= csrf_field() ?><input type="hidden" name="act" value="note">
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<textarea name="note" rows="3" placeholder="例如：这里收录本人在安全与开发方向的原创文章，欢迎阅读。"><?= he($noteText) ?></textarea>
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<div style="margin-top:10px"><button type="submit" class="btn btn-primary">保存注要</button></div>
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</form>
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</div>
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<!-- 文章列表 -->
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<div class="fieldset-card">
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<div class="field-row" style="align-items:center;justify-content:space-between">
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<span class="fs-title" style="margin:0;border:none;padding:0">文章列表（共 <?= count($list) ?> 篇）</span>
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<a class="btn btn-primary btn-sm" href="articles.php?new=1">+ 新增文章</a>
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</div>
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<?php if (!$list): ?>
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<p class="tip" style="margin-top:10px">还没有文章，点击右上角「新增文章」开始写作。</p>
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<?php else: ?>
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<div style="overflow-x:auto">
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<table class="tbl">
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<thead><tr><th>分区</th><th>标题</th><th>状态</th><th>排序</th><th>操作</th></tr></thead>
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<tbody>
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<?php foreach ($list as $a): ?>
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<tr>
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<td><?= he((string)$a['part']) ?></td>
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<td>
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<a href="articles.php?edit=<?= (int)$a['id'] ?>"><?= he((string)$a['title']) ?></a>
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<div class="tip"><?= he((string)$a['summary']) ?></div>
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</td>
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<td style="white-space:nowrap">
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<?php if ((int)$a['pinned'] === 1): ?><span class="badge badge-ok">置顶</span><?php endif; ?>
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<?php if ((int)$a['enabled'] === 1): ?><span class="badge badge-ok">可见</span><?php else: ?><span class="badge badge-no">隐藏</span><?php endif; ?>
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</td>
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<td><?= (int)$a['sort'] ?></td>
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<td style="white-space:nowrap">
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<form method="post" style="display:inline" onsubmit="return confirm('确认删除该文章？')">
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<?= csrf_field() ?><input type="hidden" name="act" value="del"><input type="hidden" name="id" value="<?= (int)$a['id'] ?>">
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<button type="submit" class="btn btn-sm btn-danger" title="删除">✕</button>
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</form>
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<form method="post" style="display:inline">
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<?= csrf_field() ?><input type="hidden" name="act" value="toggle"><input type="hidden" name="field" value="pinned"><input type="hidden" name="id" value="<?= (int)$a['id'] ?>">
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<button type="submit" class="btn btn-sm" title="<?= (int)$a['pinned'] === 1 ? '取消置顶' : '置顶' ?>"><?= (int)$a['pinned'] === 1 ? '取消置顶' : '置顶' ?></button>
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</form>
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<form method="post" style="display:inline">
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<?= csrf_field() ?><input type="hidden" name="act" value="toggle"><input type="hidden" name="field" value="enabled"><input type="hidden" name="id" value="<?= (int)$a['id'] ?>">
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<button type="submit" class="btn btn-sm"><?= (int)$a['enabled'] === 1 ? '隐藏' : '显示' ?></button>
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</form>
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<form method="post" style="display:inline">
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<?= csrf_field() ?><input type="hidden" name="act" value="move"><input type="hidden" name="dir" value="up"><input type="hidden" name="id" value="<?= (int)$a['id'] ?>">
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<button type="submit" class="btn btn-sm" title="上移">↑</button>
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</form>
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<form method="post" style="display:inline">
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<?= csrf_field() ?><input type="hidden" name="act" value="move"><input type="hidden" name="dir" value="down"><input type="hidden" name="id" value="<?= (int)$a['id'] ?>">
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<button type="submit" class="btn btn-sm" title="下移">↓</button>
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</form>
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</td>
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</tr>
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<?php endforeach; ?>
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</tbody>
|
||
</table>
|
||
</div>
|
||
<p class="tip">同分区内使用 ↑/↓ 调整顺序，置顶文章在列表中始终靠前。</p>
|
||
<?php endif; ?>
|
||
</div>
|
||
</div>
|
||
</main>
|
||
|
||
<?php layout_theme_fab(); ?>
|
||
<script src="../assets/js/common.js"></script>
|
||
<script>
|
||
(function () {
|
||
'use strict';
|
||
var btn = document.getElementById('artImgUpload');
|
||
var file = document.getElementById('artImg');
|
||
var msg = document.getElementById('artUpMsg');
|
||
if (!btn || !file) return;
|
||
btn.addEventListener('click', function () {
|
||
if (!file.files || !file.files[0]) { alert('请先选择一张图片。'); return; }
|
||
var fd = new FormData();
|
||
fd.append('act', 'upload');
|
||
var csrf = document.querySelector('input[name="csrf"]');
|
||
if (csrf) fd.append(csrf.name, csrf.value);
|
||
fd.append('file', file.files[0]);
|
||
var xhr = new XMLHttpRequest();
|
||
xhr.open('POST', window.location.href);
|
||
xhr.onload = function () {
|
||
try {
|
||
var r = JSON.parse(xhr.responseText || '{}');
|
||
if (!r.ok) { msg.innerHTML = '<div class="err-msg">上传失败：' + (r.msg || '未知错误') + '</div>'; return; }
|
||
var ta = document.querySelector('textarea[name="markdown"]');
|
||
var name = r.file.replace('data/articles/img/', '');
|
||
var ins = '';
|
||
if (ta) {
|
||
if (ta.value && ta.value.charAt(ta.value.length - 1) !== '\n') ta.value += '\n';
|
||
ta.value += '\n' + ins;
|
||
}
|
||
msg.innerHTML = '<div class="ok-msg">图片已上传：data/articles/img/' + name + '，并已插入引用。</div>';
|
||
file.value = '';
|
||
} catch (e) {
|
||
msg.innerHTML = '<div class="err-msg">上传返回异常：' + e + '</div>';
|
||
}
|
||
};
|
||
xhr.onerror = function () { msg.innerHTML = '<div class="err-msg">网络错误，上传失败。</div>'; };
|
||
xhr.send(fd);
|
||
});
|
||
})();
|
||
(function () {
|
||
'use strict';
|
||
// 分区下拉：选择「＋ 新建分区…」时切换为新分区名输入框，回车/失焦确认后回落
|
||
var sel = document.getElementById('artPartSel');
|
||
var inp = document.getElementById('artPartNew');
|
||
var form = (sel && inp) ? sel.closest('form') : null;
|
||
if (!sel || !inp || !form) return;
|
||
function showSel() {
|
||
sel.style.display = '';
|
||
inp.style.display = 'none';
|
||
}
|
||
function acceptNew() {
|
||
var v = inp.value.replace(/^\s+|\s+$/g, '');
|
||
if (v === '') return false;
|
||
var i, found = false;
|
||
for (i = 0; i < sel.options.length; i++) {
|
||
if (sel.options[i].value === v) { sel.selectedIndex = i; found = true; break; }
|
||
}
|
||
if (!found) {
|
||
var opt = document.createElement('option');
|
||
opt.value = v;
|
||
opt.text = v;
|
||
sel.appendChild(opt);
|
||
sel.value = v;
|
||
}
|
||
inp.value = '';
|
||
showSel();
|
||
return true;
|
||
}
|
||
sel.addEventListener('change', function () {
|
||
if (sel.value === '__new__') {
|
||
sel.style.display = 'none';
|
||
inp.style.display = '';
|
||
inp.focus();
|
||
}
|
||
});
|
||
inp.addEventListener('keydown', function (ev) {
|
||
if (ev.key === 'Enter') {
|
||
ev.preventDefault();
|
||
if (!acceptNew()) showSel();
|
||
}
|
||
});
|
||
inp.addEventListener('blur', function () {
|
||
if (!acceptNew()) showSel();
|
||
});
|
||
form.addEventListener('submit', function (ev) {
|
||
if (sel.value === '__new__' && !acceptNew()) {
|
||
ev.preventDefault();
|
||
showSel();
|
||
sel.focus();
|
||
}
|
||
});
|
||
})();
|
||
</script>
|
||
</body>
|
||
</html>
|