本文主要是介绍docker启动的mysql8中文乱码问题和无法输入中文，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
问题描述：
1.中文显示乱码
2.无法输入中文
中文乱码临时方案：
show variables like ‘character%’;
SET NAMES utf8mb4;
SET CHARACTER SET utf8mb4;
中文乱码永久方案：
vim /etc/my.cnf
[client]
default-character-set=utf8mb4[mysql]
default-character-set=utf8mb4[mysqld]
character-set-client-handshake=FALSE
character-set-server=utf8mb4
collation-server=utf8mb4_unicode_ci
无法输入中文解决方案：
添加环境变量：
env LANG=C.UTF-8
docker exec -it b18f56aa1e15 env LANG=C.UTF-8 /bin/bash
docker-compose.yml
mysql:container_name: secark-mysqlimage: mysql:8.2.0# network_mode: hostenvironment:- MYSQL_ROOT_PASSWORD=xxxxxxxx. # mysql密码- LANG=C.UTF-8volumes:- /etc/localtime:/etc/localtime - ../configs/mysql/init:/docker-entrypoint-initdb.d/ # 初始化sql文件- ../configs/mysql/config/my.cnf:/etc/my.cnf # mysql配置文件- ../../volumes/mysql:/var/lib/mysql # mysql 持久化数据restart: alwaysports:- '3306:3306'
my.cnf文件
# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/8.2/en/server-configuration-defaults.html
[client]
default-character-set=utf8mb4[mysql]
default-character-set=utf8mb4[mysqld]
#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M# Remove leading # to revert to previous value for default_authentication_plugin,
# this will increase compatibility with older clients. For background, see:
# https://dev.mysql.com/doc/refman/8.2/en/server-system-variables.html#sysvar_default_authentication_plugin
# default-authentication-plugin=mysql_native_password
character-set-client-handshake=FALSE
character-set-server=utf8mb4
collation-server=utf8mb4_unicode_ci
# 关闭logbin
skip-log-bin
skip-host-cache
skip-name-resolve
datadir=/var/lib/mysql
socket=/var/run/mysqld/mysqld.sock
secure-file-priv=/var/lib/mysql-files
user=mysqlpid-file=/var/run/mysqld/mysqld.pid
[client]
socket=/var/run/mysqld/mysqld.sock!includedir /etc/mysql/conf.d/
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