一对一springboot

package com.hcxy.springboot; import com.hcxy.pojo.Person; import com.hcxy.service.PersonService; import org.junit.jupiter.api.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import java.util.List; @SpringBootTest public class SpringbootApplicationTests { @Autowired private PersonService personService; @Test public void getuser(){ List<Person> people = personService.queryPersonById(1); System.out.println(people); } }