1.ClassNotFoundException: org.springframework.dao.support.DaoSupport(解决:导入spring-tx)
2.NoClassDefFoundError: org/springframework/jdbc/datasource/TransactionAwareDataSourceProxy(解决:导入spring-jdbc)
3.no bean named ” is defind:1.包名 2.@Service是否引用正确(org.springframework.stereotype.Service)
4.NoSuchBeanDefinitionException:注解包名