导入达梦数据库对hibernate的方言包
<dependency><groupId>com.dameng</groupId><artifactId>DmDialect-for-hibernate5.6</artifactId><version>8.1.2.192</version></dependency>
配置文件中添加方言配置和主键生成策略配置
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.DmDialect
spring.jpa.properties.hibernate.id.new_generator_mappings=false
兼容Oracle
兼容Mysql
参考地址：
https://blog.csdn.net/LX13619022295/article/details/109602553
https://eco.dameng.com/community/article/62d5559355f60597dc38a397e0fe857b(兼容对应数据库的主键生成策略配置)
