springboot 事务自调用失效
产生原因：spring事务底层使用动态代理，若同一个类中的方法吊用另一个方法，则不存在对象之间的代理关系，被调用方法的事务失效
解决方法：在另一个类中调用需要调用的方法
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示 例
*****************
service 层
CutomPersonService
public interface CustomPersonService {
void update(Person person);
void insert(Person person);
void insertList(List<Person> personList);
}
*********************
serviceImpl 层
CustomPersonServiceImpl
@Service
public class CustomPersonServiceImpl implements CustomPersonService {
@Autowired
private PersonMapper personMapper;
@Override
@Transactional(propagation = Propagation.REQUIRED)
public void update(Person person) {
personMapper.updateById(person);
}
@Override
@Transactional(propagation = Propagation.NESTED)
public void insert(Person person) {
personMapper.insert(person);
}
@Override
@Transactional(propagation = Propagation.REQUIRES_NEW)
public void insertList(List<Person> personList) {
for(Person person:personList){
insert(person);
}
}
}
*******************
controller 层
PersonController
@RestController
@RequestMapping("/person")
public class PersonController {
@Autowired
private PersonService personService;
@Autowired
private CustomPersonService customPersonService;
@RequestMapping("/save")
public String save(){
List<Person> list=new ArrayList<>();
for(int i=0;i<10;i++){
Person person=new Person();
person.setName("瓜田李下"+i);
person.setAge(i);
list.add(person);
}
customPersonService.insertList(list);
return "success";
}
}
*********************
控制台日志输出
2019-09-26 10:56:46.156 DEBUG 13792 --- [nio-8080-exec-4] o.s.web.servlet.DispatcherServlet : GET "/person/save", parameters={}
2019-09-26 10:56:46.157 DEBUG 13792 --- [nio-8080-exec-4] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped to public java.lang.String com.example.demo.controller.PersonController.save()
2019-09-26 10:56:46.157 DEBUG 13792 --- [nio-8080-exec-4] o.s.j.d.DataSourceTransactionManager : Creating new transaction with name [com.example.demo.serviceImpl.CustomPersonServiceImpl.insertList]: PROPAGATION_REQUIRES_NEW,ISOLATION_DEFAULT
2019-09-26 10:56:46.530 DEBUG 13792 --- [nio-8080-exec-4] o.s.j.d.DataSourceTransactionManager : Acquired Connection [com.mysql.cj.jdbc.ConnectionImpl@976ff06] for JDBC transaction
2019-09-26 10:56:46.530 DEBUG 13792 --- [nio-8080-exec-4] o.s.j.d.DataSourceTransactionManager : Switching JDBC Connection [com.mysql.cj.jdbc.ConnectionImpl@976ff06] to manual commit
2019-09-26 10:56:46.599 DEBUG 13792 --- [nio-8080-exec-4] o.s.j.d.DataSourceTransactionManager : Initiating transaction commit
2019-09-26 10:56:46.599 DEBUG 13792 --- [nio-8080-exec-4] o.s.j.d.DataSourceTransactionManager : Committing JDBC transaction on Connection [com.mysql.cj.jdbc.ConnectionImpl@976ff06]
2019-09-26 10:56:46.683 DEBUG 13792 --- [nio-8080-exec-4] o.s.j.d.DataSourceTransactionManager : Releasing JDBC Connection [com.mysql.cj.jdbc.ConnectionImpl@976ff06] after transaction
2019-09-26 10:56:46.686 DEBUG 13792 --- [nio-8080-exec-4] m.m.a.RequestResponseBodyMethodProcessor : Using 'text/html', given [text/html, application/xhtml+xml, image/webp, image/apng, application/xml;q=0.9, */*;q=0.8] and supported [text/plain, */*, text/plain, */*, application/json, application/*+json, application/json, application/*+json]
2019-09-26 10:56:46.687 DEBUG 13792 --- [nio-8080-exec-4] m.m.a.RequestResponseBodyMethodProcessor : Writing ["success"]
2019-09-26 10:56:46.689 DEBUG 13792 --- [nio-8080-exec-4] o.s.web.servlet.DispatcherServlet : Completed 200 OK
可以看出，被调用方法的事务没有创建
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