38 lines
1.3 KiB
PHP
38 lines
1.3 KiB
PHP
<?php
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// TODO: 点赞数
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$sql = "SELECT lw.id, u.username AS author, lw.content, COUNT(c.id) AS likes
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FROM love_wall lw
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LEFT JOIN users u ON lw.user_id = u.id
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LEFT JOIN comments c ON lw.id = c.love_wall_id
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GROUP BY lw.id, u.username, lw.content
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ORDER BY lw.created_at DESC";
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$stmt = $pdo->query($sql);
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$posts = $stmt->fetchAll();
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// 为每个post添加评论
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foreach ($posts as &$post) {
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$commentSql = "SELECT c.id, u.username AS author, c.content
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FROM comments c
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JOIN users u ON c.user_id = u.id
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WHERE c.love_wall_id = :love_wall_id";
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$commentStmt = $pdo->prepare($commentSql);
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$commentStmt->execute([':love_wall_id' => $post['id']]);
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$post['comments'] = $commentStmt->fetchAll(PDO::FETCH_ASSOC); // 确保是关联数组
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// TODO: 头像
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$post['avatar'] = '/placeholder.svg?height=40&width=40';
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// 清理不需要的索引
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$post = [
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'id' => $post['id'],
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'author' => $post['author'],
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'avatar' => $post['avatar'],
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'content' => $post['content'],
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'likes' => (int)$post['likes'], // 转换为整数
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'comments' => $post['comments']
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];
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}
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echo json_encode($posts, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
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?>
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