add application-encrypt-databases.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

       xmlns:context="http://www.springframework.org/schema/context"

       xmlns:tx="http://www.springframework.org/schema/tx"

       xmlns:encrypt="http://shardingsphere.apache.org/schema/shardingsphere/encrypt"

       xmlns:bean="http://www.springframework.org/schema/util"

       xsi:schemaLocation="http://www.springframework.org/schema/beans

                        http://www.springframework.org/schema/beans/spring-beans.xsd 

                        http://www.springframework.org/schema/tx 

                        http://www.springframework.org/schema/tx/spring-tx.xsd

                        http://www.springframework.org/schema/context 

                        http://www.springframework.org/schema/context/spring-context.xsd

                        http://shardingsphere.apache.org/schema/shardingsphere/encrypt

                        http://shardingsphere.apache.org/schema/shardingsphere/encrypt/encrypt.xsd 

                        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">

    <context:component-scan base-package="org.apache.shardingsphere.example.common.mybatis" />

    <bean id="ds" class="com.zaxxer.hikari.HikariDataSource" destroy-method="close">

        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>

        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/demo_ds?useSSL=false&amp;useUnicode=true&amp;characterEncoding=UTF-8"/>

        <property name="username" value="root"/>

        <property name="password" value=""/>

    </bean>

    <bean:properties id="props">

        <prop key="aes.key.value">123456</prop>

    </bean:properties>

    <encrypt:data-source id="encryptDataSource" data-source-name="ds" >

        <encrypt:encryptor-rule id="pwd_encryptor" type="assistedTest" qualified-columns="t_user.pwd" assisted-query-columns="t_user.assisted_query_pwd" />

        <encrypt:encryptor-rule id="name_encryptor" type="AES" qualified-columns="t_user.user_name" props-ref="props" />

    </encrypt:data-source>

    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

        <property name="dataSource" ref="encryptDataSource" />

    </bean>

    <tx:annotation-driven />

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

        <property name="dataSource" ref="encryptDataSource"/>

        <property name="mapperLocations" value="classpath*:META-INF/mappers/*.xml"/>

    </bean>

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

        <property name="basePackage" value="org.apache.shardingsphere.example.common.mybatis.repository"/>

        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>

    </bean>

</beans>