数据库xdcms不存在 演讲嘉宾 世界篮球大会暨展览中国2018

演讲嘉宾

数据库xdcms不存在操作数据库失败No database selected
sql:select * from c_guest c left join c_guest_content o on c.id=o.id where c.catid=53
Warning: mysql_free_result() expects parameter 1 to be resource, boolean given in D:\phpStudy\WWW\web\system\libs\mysql.class.php on line 90
操作数据库失败No database selected
sql:select * from c_guest c left join c_guest_content o on c.id=o.id where c.catid=53 order by c.sort desc,c.id desc limit 0,40
Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given in D:\phpStudy\WWW\web\system\libs\mysql.class.php on line 74

Warning: mysql_free_result() expects parameter 1 to be resource, boolean given in D:\phpStudy\WWW\web\system\libs\mysql.class.php on line 77