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SELECT jid, tid, name, sales, province
, city, provider, jdaddress, qpaddress, area_flag
, price, level, open_time, contact, sort
, shelves, cover_pic, pics, create_date, push_hpage
, last_date
FROM m
WHERE shelves = 1
AND instr(tid, '1,') > 0
LIMIT 0,4
select * from m where
find_in_set('2',tid)
-- 2是要查询的字符
-- tid 是要查询的列.
谢谢楼上各位,可以用的。谢谢。