MySQL中文乱码问题解析

首先分析乱码的情况
1.写入数据库时作为乱码写入
2.查询结果以乱码返回
究竟在发生乱码时是哪一种情况呢？
我们先在mysql 命令行下输入
show variables like '%char%';
查看mysql 字符集设置情况:
mysql> show variables like '%char%';
+--------------------------+----------------------------------------+
| Variable_name            | Value                                  |
+--------------------------+----------------------------------------+
| character_set_client     | gbk                                    |
| character_set_connection | gbk                                    |
| character_set_database   | gbk                                    |
| character_set_filesystem | binary                                 |
| character_set_results    | gbk                                    |
| character_set_server     | gbk