mysql中文乱码记录

  • Z时代
  • 2024-01-10
  • 分类：综合

database

0.中文乱码

mysql中表结构">1.查看mysql中表结构

show create table log_data

charset为utf8，代码端：通过gorm修改 在创建表时候修改（这里在连接数据库时已经修改过了，但是没有修改成功）

//db为已经连接好的gorm数据
err := db.Set("gorm:table_options", "ENGINE=InnoDB DEFAULT CHARSET=utf8").CreateTable(&LogData{}).Error

2.再次查看

show create table table_name

已经修改成功

但是还是乱码。在本地获取数据库内容，可以正常显示，所以不是字符问题。

查看表中数据段

show variables like "%char%";

3.修改mysql配置文件

修改配置

#1.（容器创建的mysql）进入容器
cd /etc/mysql
#先下载vim编辑器，然后编辑
apt-get update
apt-get install vim
#编辑/etc/mysql/my.cnf
#mysql的配置文件如下
# Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
#
# The MySQL  Server configuration file.
#
# For explanations see
# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
[mysqld]
pid-file        = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
datadir         = /var/lib/mysql
#log-error      = /var/log/mysql/error.log
# By default we only accept connections from localhost
#bind-address   = 127.0.0.1
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
character_set_server=utf8
init_connect="SET NAMES utf8"
max_allowed_packet = 20M
[mysql]
default-character-set = utf8
[mysql.server]
default-character-set = utf8
[mysqld_safe]
default-character-set = utf8
[client]
default-character-set = utf8

当然也可以在外面编辑好

#宿主机复制到容器内 mysql为容器名称
docker cp /root/my.cnf mysql:/etc/mysql/my.cnf
#容器内复制到宿主机中   
docker cp mysql:/etc/mysql/my.cnf /root/my.cnf

为什么要修改/etc/mysql/my.cnf的文件

我用docker创建mysql5.7时候/etc/mysql/路径下没有my.cnf,然后自己创建了my.cnf,修改后需要重启容器

4.查看修改后的mysql

查看表数据

已正常显示

​

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