spring:

  datasource:

    url: jdbc:mysql://127.0.0.1:3306/jby?serverTimezone=UTC&useUnicode=true&characterEncoding=utf8&useSSL=false

    username: root

    # 密文

    password: 'f687101570bae7ce4d313c2b4440f4ae'

    initialSize: 100

    minIdle: 100

    maxActive: 200

    maxWait: 60000

    timeBetweenEvictionRunsMillis: 60000

    minEvictableIdleTimeMillis: 300000

    validationQuery: SELECT 'x' FROM DUAL

    testWhileIdle: true

    testOnBorrow: false

    testOnReturn: false

    poolPreparedStatements: true

    maxPoolPreparedStatementPerConnectionSize: 20

    filters: config,stat

@Slf4j

public class UmspscDataSource extends DruidDataSource  {

    private String passwordDis;

    /**

     * 密匙

     */

    private final static String Pkey ="1234565437892132";

    @Override

    public String getPassword(){

        if(StringUtils.isNotBlank(passwordDis)){return passwordDis;}

        String encPassword = super.getPassword();

        if(null==encPassword){

            return null;

        }

        log.info("数据库密码加解密，{"+encPassword+"}");

        try{

            //  密文解密，解密方法可以修改

            String key = HexUtil.encodeHexStr(Pkey);

            SymmetricCrypto aes = new SymmetricCrypto(SymmetricAlgorithm.AES, key.getBytes());

            passwordDis = aes.decryptStr(encPassword, CharsetUtil.CHARSET_UTF_8);

            return passwordDis;

        }catch (Exception e){

            log.error("数据库密码解密出错，{"+encPassword+"}");

            log.error(LogUtil.e(e));

            throw new AppException("数据库密码解密失败！", e);

        }

    }

}

@Component

public class CommonBeanFactory {

    @Bean(name = "dataSource", autowire = Autowire.NO, initMethod = "init")

    @Primary

    @ConfigurationProperties(ignoreUnknownFields = false,prefix="spring.datasource")

    public DruidDataSource dataSource() {

        DruidDataSource druidDataSource = new UmspscDataSource();

        return druidDataSource;

    }

}

@Slf4j

public class Main {

    public static void main(String[] args) {

        //明文

        String content = "123456";

        //密匙

        String pkey = "1234565437892132";

        log.info("密匙:" + pkey);

        String key = HexUtil.encodeHexStr(pkey);

        //构建

        SymmetricCrypto aes = new SymmetricCrypto(SymmetricAlgorithm.AES, key.getBytes());

        //加密为16进制表示

        String encryptHex = aes.encryptHex(content);

        log.info("密文:" + encryptHex);

        //解密为字符串

        String decryptStr = aes.decryptStr(encryptHex, CharsetUtil.CHARSET_UTF_8);

        log.info("明文:" + decryptStr);

    }

}