文件上传大小(注:是新增的)

[mysqld]

set-variable = max_allowed_packet=200M

?

中文乱码(注:在建库建表之前设置)

[mysql]

default-character-set=utf8

[mysqld]

default-character-set=utf8

?

spring连接

jdbc:mysql://localhost/dbname?useUnicode=true& characterEncoding=utf8

?

jdbc连接

jdbc:mysql://localhost/dbname?useUnicode=true& characterEncoding=utf8