搜索了不少资料，都不起作用，还是*上的一位老兄的建议解决了我的问题，见：http://*.com/questions/3513773/change-mysql-default-character-set-to-utf8-in-my-cnf

在上面网址对应的页面中，有图有真相；

我就摘抄几行：

-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Then your configuration file (‘/etc/my.cnf‘ for example) should look like that:(但是不一定就是在/etc/my.cnf这个目录里，我的就是/etc/mysql/my.cnf文件)

1. Remove that directive and you should be good.

2. Then your configuration file (‘/etc/my.cnf‘ for example) should look like that:

   [mysqld]
   collation-server = utf8_unicode_ci
   init-connect=‘SET NAMES utf8‘
   character-set-server = utf8

3. Restart MySQL.

4. For making sure, your MySQL is UTF8, Run the following queries in your MySQL prompt:

   • First query:

      mysql> show variables like‘char%‘;

以下内容见http://*.com/questions/3513773/change-mysql-default-character-set-to-utf8-in-my-cnf，粘贴复制也是很麻烦的

linux mysql 中文乱码的问题