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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 '\xE5\x8C\x97\xE5\xA4\xA7\xE6\xA0\xB8\xE5\xBF\x83\xE6\x9C\x9F\xE5\x88\x8A' at line 1
select count(*) as total from ***_ecms_qikan where classid=20 and fenlei=5 and jibie=北大核心期刊