mysql的char存中文

CREATE TABLE users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name CHAR(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL
);

-- 设置数据库字符集
ALTER DATABASE your_database_name CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- 设置表字符集
ALTER TABLE your_table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- 设置列字符集
ALTER TABLE your_table_name MODIFY name CHAR(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

import mysql.connector

config = {
    'user': 'your_user',
    'password': 'your_password',
    'host': 'your_host',
    'database': 'your_database',
    'charset': 'utf8mb4'
}

cnx = mysql.connector.connect(**config)