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sql语句错误： select * from `wkcx_content` where cat_id= and id> and xianshi='1' order by id asc limit 0,1
错误信息： you have an error in your sql syntax; check the manual that corresponds to your mysql server version for the right syntax to use near 'and id> and xianshi='1' order by id asc limit 0,1' at line 1
sql语句错误： select * from `wkcx_content` where cat_id= and id< and xianshi='1' order by id desc limit 0,1
错误信息： you have an error in your sql syntax; check the manual that corresponds to your mysql server version for the right syntax to use near 'and id< and xianshi='1' order by id desc limit 0,1' at line 1