SELECT id,channel,title FROM teble1 WHERE id='$id'

SELECT t1.id,channel,title,t2.name,t2.tel FROM teble1 as t1, table2 as t2 WHERE t1.id='$id'

------解决方案--------------------

探讨


逗号为英文状态：
SQL code

SELECT t1.id,channel,title,t2.name,t2.tel FROM teble1 as t1, table2 as t2 WHERE t1.id='$id'