The type org.springframework.dao.support.DaoSupport cannot be resolved. It is indirectly referenced

springBoot 整合Mybatis 提示：The type org.springframework.dao.support.DaoSupport cannot be resolved. It is indirectly referenced from required .class files

经过查询发现缺失:spring-tx.jar包

添加相关jar 包依赖：

<!--spring 事务 --> 
		<dependency> 
			<groupId>org.springframework</groupId> 
			<artifactId>spring-tx</artifactId> 
			<version>5.1.4.RELEASE</version> 
		</dependency>