//GirlService
package?com.ljc.girl.service;

import?com.ljc.girl.domain.Girl;
import?com.ljc.girl.repository.GirlRepository;
import?org.springframework.beans.factory.annotation.Autowired;
import?org.springframework.stereotype.Service;

import?javax.transaction.Transactional;
import?java.util.Optional;
import?java.util.concurrent.atomic.AtomicReference;

@Service

public?class?GirlService?{
????@Autowired
????private?GirlRepository?girlRepository;
????@Transactional
????public?void?insertTwo(){
????????Girl?girlA=new?Girl();
????????girlA.setCupSize("A");
????????girlA.setAge(18);
????????girlRepository.save(girlA);

????????Girl?girlB=new?Girl();
????????girlB.setCupSize("BBBBBBB");
????????girlB.setAge(19);
????????girlRepository.save(girlB);
????}
????public??void?getAge(Integer?id)?throws?Exception{
???????Girl?girl?=?girlRepository.findById(id);//此句報紅
????????Integer?age=?girl.getAge();

????????if(age<10){
????????????//返回"你還在上小學(xué)吧!"
??????????throw?new?Exception("你還在上小學(xué)吧");
????????}else?if?(age>10?&&?age<16){
????????????//返回“你可能在上初中”
????????????throw?new?Exception("你可能在上初中");
????????}
????}
}