操作数据库失败Column 'id' in order clause is ambiguous sql:select * from y_dstd c left join y_dstd_content o on c.id=o.id where c.catid=51 order by id desc limit 0,2 Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given in /www/wwwroot/www.cdzlkjgs.com/system/libs/mysql.class.php on line 74
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