在运行SQL语句之前,先设置字符集
SET character_set_client = gbk
SET character_set_connection = gbk
SET character_set_database = gbk
SET character_set_results = gbk
SET character_set_server = gbk
SET collation_connection = gbk_bin
SET collation_database = gbk_bin
SET collation_server = gbk_bin
然后再excute sql