The coding mode is set mySql utf-8

Check the command:

mysql> show variables like '%char%';

Desired result:

Use mysql command settings:

If you still have not utf8 encoding, please check the configuration file can also use the mysql command settings:

set character_set_client = utf8;

set character_set_server = utf8;

set character_set_connection = utf8;

set character_set_database = utf8;

set character_set_results = utf8;

set collation_connection = utf8_general_ci;

set collation_database = utf8_general_ci;

set collation_server = utf8_general_ci;