数据库字段AES加密

1：加密和解密中key_str要一直

ES_ENCRYPT(str,key_str)加密

AES_DECRYPT(str,key_str)加密

INSERT INTO user (username, password) VALUES ('name', AES_ENCRYPT(‘123456’, key_str));

SELECT username, AES_DECRYPT(password, key_str) AS decrypted_password FROM user;