在我阿贾克斯聊天脚本我有这样的警告:7阿贾克斯聊天 - 登录问题
Warning: mysql_fetch_array() expects parameter 1 to be resource,
boolean given in /home/mychat/public_html/c/listChats.php on line 7
线:
while($row = mysql_fetch_array($sql)){
listChats.php:
<?php
$chats = "";
include_once("scripts/connect_db.php");
$sql = mysql_query("SELECT * FROM (
SELECT * FROM chatBox order by id DESC LIMIT 20
) TMP ORDER BY tmp.id ASC");
while($row = mysql_fetch_array($sql)){
$chat = $row['chatBody'];
$username = $row['username'];
$chats = '<p><span id="un">' . $username . ':</span> ' . $chat . '</p>';
echo "$chats";
}
?>
请[阅读这一重要职务(http://meta.stackexchange.com/a/5235/135887),这些问题可能会影响您获得良好答案的能力。 – Charles
@Charles我的问题是关键的。 –
-4代表实验人 –