Mr.zhao

事物注解方式: @Transactional 当标于类前时, 标示类中所有方法都进行事物处理 , 例子: @Transactional public class TestServiceBean implements TestService {} 当类中某些方法不需要事物时: 1 @Transactional 2 public class TestServiceBean implements TestService { 3 private TestDao dao; 4 pu