mysql 字符集都为 utf8,但是程序中查询到的数据中文乱码 - V2EX
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Joban
V2EX    MySQL

mysql 字符集都为 utf8,但是程序中查询到的数据中文乱码

  •  
  •   Joban 2016-12-20 22:46:29 +08:00 5393 次点击
    这是一个创建于 3283 天前的主题,其中的信息可能已经有所发展或是发生改变。

    mysql> show variables like '%chara%';
    +--------------------------+----------------------------+
    | Variable_name | Value |
    +--------------------------+----------------------------+
    | character_set_client | utf8 |
    | character_set_connection | utf8 |
    | character_set_database | utf8 |
    | character_set_filesystem | binary | | character_set_results | utf8 |
    | character_set_server | utf8 |
    | character_set_system | utf8 |
    | character_sets_dir | /usr/share/mysql/charsets/ | +--------------------------+----------------------------+
    8 rows in set (0.00 sec)

    mysql> show global variables like '%chara%';
    +--------------------------+----------------------------+
    | Variable_name | Value |
    +--------------------------+----------------------------+ | character_set_client | utf8 | | character_set_connection | utf8 | | character_set_database | utf8 | | character_set_filesystem | binary | | character_set_results | utf8 | | character_set_server | utf8 |
    | character_set_system | utf8 |
    | character_sets_dir | /usr/share/mysql/charsets/ | +--------------------------+----------------------------+ 8 rows in set (0.00 sec)

    在服务器里面的命令行查询数据没有问题,但是在程序中查询的数据中文乱码。 麻烦 v 友帮忙看看。

    14 条回复    2016-12-26 19:49:15 +08:00
    pubby
        1
    pubby  
       2016-12-20 23:03:01 +08:00   1
    set names utf8;
    pubby
        2
    pubby  
       2016-12-20 23:03:28 +08:00
    新版建议直接用 utf8mb4
    adrianzhang
        3
    adrianzhang  
       2016-12-20 23:17:21 +08:00
    my.cnf 里要设置 utf8
    Miy4mori
        4
    Miy4mori  
       2016-12-20 23:19:39 +08:00 via Android
    检查下 connection url ?
    tigerstudent
        5
    tigerstudent  
       2016-12-20 23:45:21 +08:00 via Android
    熟悉的坑。。
    chiv2
        6
    chiv2  
       2016-12-21 01:49:33 +08:00
    一个里面装满了新手程序员的坑。
    pouta
        7
    pouta  
       2016-12-21 08:16:00 +08:00 via Android
    如果有中文 除了设置编码 查询或写入数据之前都要执行这条 sql 语句 set names utf8(一个新手程序员,有错请指正,谢谢)
    sundyandy
        8
    sundyandy  
       2016-12-21 09:43:57 +08:00
    确保你后端语言(假设是 php )连接时用的编码也是 utf8 。。
    Joban
        9
    Joban  
    OP
       2016-12-21 12:25:12 +08:00
    这个设置了
    Joban
        10
    Joban  
    OP
       2016-12-21 12:25:50 +08:00
    @adrianzhang 在 my.cnf 也设置了
    Joban
        11
    Joban  
    OP
       2016-12-21 12:27:48 +08:00
    <property name="url" value="jdbc:mysql://...:3306/jewelty?useUnicode=true&amp;characterEncoding=utf-8" />

    url 我是这样写的,有没有问题?
    Joban
        12
    Joban  
    OP
       2016-12-24 14:10:04 +08:00
    已解决。
    修改了列的的字符集
    ALTER TABLE table MODIFY column TEXT [...] CHARACTER SET utf8;
    aiyo218
        13
    aiyo218  
       2016-12-26 19:38:16 +08:00
    建表没设字符集?
    Joban
        14
    Joban  
    OP
       2016-12-26 19:49:15 +08:00
    @aiyo218 设置了噢。
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