spring boot+mybatis-plus配置读写分离的操作

<dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>dynamic-datasource-spring-boot-starter</artifactId>
            <version>3.3.6</version>
        </dependency>

spring:
  datasource:
    dynamic:
      #默认数据源
      primary: master
      datasource:
        master:
          username: root
          password: xxxxx
          driver-class-name: com.mysql.cj.jdbc.Driver
          url: jdbc:mysql://localhost:3306/xx?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true&useUnicode=true&characterEncoding=UTF-8
        slave:
          username: root
          password: xxx
          driver-class-name: com.mysql.cj.jdbc.Driver
          url: jdbc:mysql://localhost:3306/xx?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true&useUnicode=true&characterEncoding=UTF-8

@Service
public class TUserServiceImpl extends ServiceImpl<TUserMapper, TUser> implements ITUserService {
    //读取走从库
    @Override
    @DS("slave")
    public List<TUser> getUserList(){
        return baseMapper.selectList(null);
    }
    //写操作默认走主库
    @Override
    @Transactional
    public String adUser(TUser user){
        baseMapper.insert(user);
        return "OK";
    }
}