show variables like "character%"查看字符编码
if:
character_set_client latin1
character_set_connection latin1
character_set_database utf8
character_set_results latin1
character_set_server utf8
character_set_system utf8
then:
SET NAMES UTF8
else if:
character_set_server latin1
then:修改my.ini,在*sqlid后加上
set character_set_server=utf8