MySQL solves the problem of not supporting Chinese

Premise

The environment is ubuntu Next

Method

1. Check it out. mysql Default character set

• character_set_client Code for the client ;
• character_set_connection The code used to establish the connection ;
• character_set_database Coding of database ;
• character_set_results The encoding of the result set ;
• character_set_server Database server code ;

2. Modify the configuration file

linux Under the system , modify MySQL The steps of database default coding are ：

• modify /etc/mysql/mysql.conf.d/mysqld.cnf  file

xhost +    # If xhost + Cannot perform , Report errors ：xhost ：  unable to open display “”
sudo gedit /etc/mysql/mysql.conf.d/mysqld.cnf

• stay 　[mysqld ] The following add

# I'll change it to utf8mb4 It's because of storage emoji Expression error .

character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init_connect='SET NAMES utf8mb4'

• modify mysql.cnf file

sudo gedit /etc/mysql/conf.d/mysql.cnf

• stay [mysql] Add below

default-character-set = utf8mb4

3. restart mysql

sudo service mysql stop
sudo service mysql start

4. View the changed encoding method

Okay , Setup complete , You can store data happily , It can be preserved emoji expression .

follow-up

If it is an existing table , You can check the character set supported by the table first

show create table entries2;

Then modify the characters of the table according to the situation

alter table table_name convert to character set utf8mb4;