我的问题是下面的代码数组的评论和评级区域应该像数据库历史表一样在其中有评论......?
SELECT users.uid, users.username, history.user_id, history.comment, history.rating
FROM history
LEFT JOIN users
ON users.uid=history.user_id
WHERE history.book_id="$bid"
它返回:
Array ( [uid] => 3 [username] => Reign [user_id] => 3 [comment] => [rating] => )