<dependency>
    <groupId>com.github.ulisesbocchio</groupId>
    <artifactId>jasypt-spring-boot-starter</artifactId>
    <version>3.0.5</version>
</dependency>

# application.properties
jasypt.encryptor.password=your_encryption_password

jasypt:
  encryptor:
    password: your_encryption_password

# application.properties
datasource.password=ENC(加密后的密碼)

# 用于加密的密碼
jasypt.encryptor.password=123456

public class JasyptSecretTest {
    @Autowired
    private StringEncryptor stringEncryptor;
    @Value("${datasource.password}")
    private String password;
    @Test
    public void encrypt(){
        // 加密
        String encrypt = stringEncryptor.encrypt("root");
        System.out.println("encrypt = " + encrypt);
    }
}

# 加密后的密文，包裹在ENC() 中
datasource.password=ENC(grdksstYZMsPmwvA0ALHXpzBQN2YTyA3t4ow1PDfJzbl+UV0LdO8UlajWKeqUF7y)
# 用于加密的密碼
jasypt.encryptor.password=123456

@SpringBootTest
public class JasyptSecretTest {
    @Autowired
    private StringEncryptor stringEncryptor;
    @Value("${datasource.password}")
    private String password;
    @Test
    public void encrypt(){
        // 加密
        String encrypt = stringEncryptor.encrypt("root");
        System.out.println("encrypt = " + encrypt);
        // 解密，輸入獲取的加密字符串進行解密
        String decrypt = stringEncryptor.decrypt(encrypt);
        System.out.println("decrypt = " + decrypt);
    }
    @Test
    public void show(){
        System.out.println("password = " + password);
    }
}

@Bean(name = ENCRYPTOR_BEAN_NAME)
public StringEncryptor stringEncryptor(
        final EnvCopy envCopy,
        final BeanFactory bf) {
    final String customEncryptorBeanName = envCopy.get().resolveRequiredPlaceholders(ENCRYPTOR_BEAN_PLACEHOLDER);
    final boolean isCustom = envCopy.get().containsProperty(ENCRYPTOR_BEAN_PROPERTY);
    return new DefaultLazyEncryptor(envCopy.get(), customEncryptorBeanName, isCustom, bf);
}

@Override
public String resolvePropertyValue(String value) {
    return Optional.ofNullable(value)
            .map(environment::resolvePlaceholders)
            .filter(detector::isEncrypted)
            .map(resolvedValue -> {
                try {
                    // 獲取密文
                    String unwrappedProperty = detector.unwrapEncryptedValue(resolvedValue.trim());
                    String resolvedProperty = environment.resolvePlaceholders(unwrappedProperty);
                    // 執(zhí)行解密操作
                    return encryptor.decrypt(resolvedProperty);
                } catch (EncryptionOperationNotPossibleException e) {
                    throw new DecryptionException("Unable to decrypt property: " + value + " resolved to: " + resolvedValue + ". Decryption of Properties failed,  make sure encryption/decryption " +
                            "passwords match", e);
                }
            })
            .orElse(value);
}