mysql 编码
SHOW VARIABLES LIKE 'character_set_%'; SHOW VARIABLES LIKE 'collation_%'; set character_set_server = utf8 -- my cnf default-character-set=utf8
http://www.cnblogs.com/eRrsr/p/6044227.html
// 查看db编码 SELECT * FROM INFORMATION_SCHEMA.SCHEMATA;
https://mariadb.com/kb/zh-cn/setting-character-sets-and-collations/
server,database,table都是utf-8,程序默认是utf8编码,connectionString不用指定也不会乱码
但如果server是latin1, database和table是utf-8,connectionString没有指定,会乱码,所以在connectionString里指定一下utf8就OK,不用改server。(server上有别的库,非本项目创建的,最好别改了, bts)
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