이거 뭐가 문제임요라...

ㅇㅇ · 2025.04.03 12:27:48

package ch04_p01.ems;

import org.springframework.context.support.GenericXmlApplicationContext;

import ch04_p01.ems.member.Student;

import ch04_p01.ems.member.dao.StudentDao;

import ch04_p01.ems.member.service.EMSInformationService;

import ch04_p01.ems.member.service.PrintStudentInformationService;

import ch04_p01.ems.member.service.StudentDeleteService;

import ch04_p01.ems.member.service.StudentModifyService;

import ch04_p01.ems.member.service.StudentRe1gisterService;

import ch04_p01.ems.member.service.StudentSelectService;

import ch04_p01.ems.utils.InitSampleData;

public class MainClass {

public static void main(String[] args) {

/*

* IoC 컨테이너 생성

*/

GenericXmlApplicationContext ctx = new GenericXmlApplicationContext("classpath:applicationContext.xml");

// 샘플 데이터

InitSampleData initSampleData = ctx.getBean("initSampleData", InitSampleData.class);

String[] sNums = initSampleData.getsNums();

String[] sIds = initSampleData.getsIds();

String[] sPws = initSampleData.getsPws();

String[] sNames = initSampleData.getsNames();

int[] sAges = initSampleData.getsAges();

String[] sGenders = initSampleData.getsGenders();

String[] sMajors = initSampleData.getsMajors();

// 데이터베이스에 샘플 데이터 저장

StudentRe1gisterService re1gisterService = ctx.getBean("studentRe1gisterService", StudentRe1gisterService.class);

for (int i = 0; i < sNums.length; i++) {

re1gisterService.re1gister(new Student(sNums[i], sIds[i], sPws[i], sNames[i], sAges[i], sGenders[i], sMajors[i]));

}

// 학생 리스트

PrintStudentInformationService printStudentInformationService = ctx.getBean("printStudentInformationService", PrintStudentInformationService.class);

printStudentInformationService.printStudentsInfo();

re1gisterService = ctx.getBean("studentRe1gisterService", StudentRe1gisterService.class);

re1gisterService.re1gister(new Student("hbs006", "deer", "p0006", "melissa", 26, "W", "Music"));

StudentDao studentDao = ctx.getBean("studentDao", StudentDao.class);

System.out.println("re1gister() 후 studentDB: " + studentDao.getStudentDB().keySet());

printStudentInformationService.printStudentsInfo();

StudentSelectService selectService = ctx.getBean("studentSelectService", StudentSelectService.class);

System.out.println("select() 전 studentDB: " + studentDao.getStudentDB().keySet());

Student selectedStudent = selectService.select("hbs006");

System.out.println("STUDENT START ---------------------");

System.out.print("sNum:" + selectedStudent.getsNum() + "\t");

System.out.print("sId:" + selectedStudent.getsId() + "\t");

System.out.print("sPw:" + selectedStudent.getsPw() + "\t");

System.out.print("sName:" + selectedStudent.getsName() + "\t");

System.out.print("sAge:" + selectedStudent.getsAge() + "\t");

System.out.print("sGender:" + selectedStudent.getsGender() + "\t");

System.out.println("sMajor:" + selectedStudent.getsMajor());

System.out.println("END ---------------------");

StudentModifyService modifyService = ctx.getBean("studentModifyService", StudentModifyService.class);

modifyService.modify(new Student("hbs006", "pig", "p0066", "melissa", 27, "W", "Computer"));

printStudentInformationService.printStudentsInfo();

StudentDeleteService deleteService = ctx.getBean("studentDeleteService", StudentDeleteService.class);

deleteService.delete("hbs005");

printStudentInformationService.printStudentsInfo();

EMSInformationService emsInformationService = ctx.getBean("emsInformationService", EMSInformationService.class);

emsInformationService.printEMSInformation();

ctx.close();

}

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package ch04_p01.ems.member.service;

import ch04_p01.ems.member.Student;

import ch04_p01.ems.member.dao.StudentDao;

public class StudentSelectService {

private StudentDao studentDao;

public StudentSelectService(StudentDao studentDao) {

this.studentDao = studentDao;

}

public Student select (String sNum) {

if (verify(sNum)) {

return studentDao.select(sNum);

} else {

System.out.println("Student information is unavailable");

}

return null;

}

public boolean verify(String sNum) {

Student student = studentDao.select(sNum);

return student == null ? true : false;

}

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<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans.xsd">

<bean id="initSampleData"

class="ch04_p01.ems.utils.InitSampleData">

<array>

</array>

</property>

<array>

<value>rabbit</value>

<value>hippo</value>

<value>raccoon</value>

<value>elephant</value>

</array>

</property>

<array>

</array>

</property>

<array>

<value>agatha</value>

<value>barbara</value>

<value>chris</value>

<value>doris</value>

</array>

</property>

<array>

</array>

</property>

<array>

</array>

</property>

<array>

<value>English</value>

<value>Korean</value>

<value>French</value>

<value>Philosophy</value>

<value>History</value>

</array>

</property>

</bean>

<bean id="studentDao"

class="ch04_p01.ems.member.dao.StudentDao" />

<bean id="studentRe1gisterService"

class="ch04_p01.ems.member.service.StudentRe1gisterService">