<dependency>
            <groupId>com.github.ulisesbocchio</groupId>
            <artifactId>jasypt-spring-boot-starter</artifactId>
            <version>3.0.4</version>
        </dependency>

public class JasyptUtils {
    public static void main(String[] args) {
        //這里假設(shè)我們的數(shù)據(jù)庫密碼是root
        String info = encrypt("root");
        //加密 TCFVL/wsN9AxelTDQyP/3g==
        System.out.println(info);
        //解密 root
        System.out.println(decrypt(info));
    }

    /**
     * 加密
     *
     * @param plaintext 明文
     * @return
     */
    public static String encrypt(String plaintext) {
        StandardPBEStringEncryptor encryptor = new StandardPBEStringEncryptor();
        EnvironmentStringPBEConfig config = new EnvironmentStringPBEConfig();
        // 指定算法
        config.setAlgorithm("PBEWithMD5AndDES");
        // 指定秘鑰，和yml配置文件中保持一致
        config.setPassword("llp");
        encryptor.setConfig(config);
        // 生成加密數(shù)據(jù)
        return encryptor.encrypt(plaintext);
    }

    /**
     * 解密
     *
     * @param data 加密后數(shù)據(jù)
     * @return
     */
    public static String decrypt(String data) {
        StandardPBEStringEncryptor encryptor = new StandardPBEStringEncryptor();
        EnvironmentStringPBEConfig config = new EnvironmentStringPBEConfig();
        config.setAlgorithm("PBEWithMD5AndDES");
        config.setPassword("llp");
        encryptor.setConfig(config);
        // 解密數(shù)據(jù)
        return encryptor.decrypt(data);
    }
}

@SpringBootApplication
@MapperScan(basePackages = "com.llp.jasypt.mapper")
public class JasyptApplication {
    public static void main(String[] args) {
        SpringApplication.run(JasyptApplication.class, args);
    }
}

jasypt:
  encryptor:
    # 加密的秘鑰
#    password: llp
    # 加密算法
    algorithm: PBEWithMD5AndDES
    iv-generator-classname: org.jasypt.iv.NoIvGenerator
    property:
      # 算法識別的前后綴，默認(rèn)ENC()，數(shù)據(jù)庫密文示例：password: "ENC(DzANBAhBWXxZqAOsagIBCoaw8FV4gYRbid7G70UEM24=)"
      prefix: Enc(
      suffix: )

spring:
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/llp?autoReconnect=true&useUnicode=true&useSSL=false&serverTimezone=GMT%2B8&allowMultiQueries=true
    username: Enc(TCFVL/wsN9AxelTDQyP/3g==)
    password: Enc(TCFVL/wsN9AxelTDQyP/3g==)

#mybatis配置
mybatis:
  #指定要掃描的mapper.xml位置; classpath:mapper/*.xml 掃描在類路徑下的mapper目錄下的。xml文件
  mapper-locations: classpath:mapper/*.xml
  #配置類型別名,通常指定實體類所在包，這樣我們在xml中resultType="com.llp.springboot.mybatis.bean.Monster"就可以簡寫成Monster
  type-aliases-package: com.llp.springboot.jasypt.entity
  #配置mybatis sql打印日志
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
    #啟用自動駝峰配置
    map-underscore-to-camel-case: true

  #通過config-location可以指定mybatis-config.xml，這樣就可以用傳統(tǒng)的方式來配置mybatis
  #config-location: classpath:mybatis-config.xml

jasypt:
  encryptor:
    # 加密的秘鑰
#    password: llp
    # 加密算法
    algorithm: PBEWithMD5AndDES
    iv-generator-classname: org.jasypt.iv.NoIvGenerator
    property:
      # 算法識別的前后綴，默認(rèn)ENC()，數(shù)據(jù)庫密文示例：password: "ENC(DzANBAhBWXxZqAOsagIBCoaw8FV4gYRbid7G70UEM24=)"
      prefix: Enc(
      suffix: )

#方式1：
java -jar xxx.jar -Djasypt.encryptor.password=加密數(shù)據(jù)的秘鑰

#方式2：
java -jar xxx.jar --jasypt.encryptor.password=加密數(shù)據(jù)的秘鑰

-Djasypt.encryptor.password=llp