http://my.oschina.net/u/1156660/blog/343154?fromerr=tmDGGiDL
修改charset:
http://stackoverflow.com/questions/3513773/change-mysql-default-character-set-to-utf-8-in-my-cnf
如果想使用MyISAM为默认引擎,在此文件后加一句
default-storage-engine=MyISAM