이거 뭐가 문제임요라...

[익명(saramx)]

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();

    }

}

ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ

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;

}

}

ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ

<?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">

    <!-- InitSampleData 빈 -->

    <bean id="initSampleData"

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

        <property name="sNums">

            <array>

                <value>hbs001</value>

                <value>hbs002</value>

                <value>hbs003</value>

                <value>hbs004</value>

                <value>hbs005</value>

            </array>

        </property>

        <property name="sIds">

            <array>

                <value>rabbit</value>

                <value>hippo</value>

                <value>raccoon</value>

                <value>elephant</value>

                <value>lion</value>

            </array>

        </property>

        <property name="sPws">

            <array>

                <value>p0001</value>

                <value>p0002</value>

                <value>p0003</value>

                <value>p0004</value>

                <value>p0005</value>

            </array>

        </property>

        <property name="sNames">

            <array>

                <value>agatha</value>

                <value>barbara</value>

                <value>chris</value>

                <value>doris</value>

                <value>elva</value>

            </array>

        </property>

        <property name="sAges">

            <array>

                <value>19</value>

                <value>22</value>

                <value>20</value>

                <value>27</value>

                <value>19</value>

            </array>

        </property>

        <property name="sGenders">

            <array>

                <value>M</value>

                <value>W</value>

                <value>W</value>

                <value>M</value>

                <value>M</value>

            </array>

        </property>

        <property name="sMajors">

            <array>

                <value>English</value>

                <value>Korean</value>

                <value>French</value>

                <value>Philosophy</value>

                <value>History</value>

            </array>

        </property>

    </bean>

    <!-- StudentDao 빈 -->

    <bean id="studentDao"

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

    <!-- StudentRe1gisterService 빈 생성 -->

    <bean id="studentRe1gisterService"

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

        <constructor-arg ref="studentDao" />

    </bean>

    <!-- StudentModifyService 빈 생성 -->

    <bean id="studentModifyService"

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

        <constructor-arg ref="studentDao" />

    </bean>

    <!-- StudentDeleteService 빈 생성 -->

    <bean id="studentDeleteService"

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

        <constructor-arg ref="studentDao" />

    </bean>

    <!-- StudentSelectService 빈 생성 -->

    <bean id="studentSelectService"

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

        <constructor-arg ref="studentDao" />

    </bean>

    <!-- StudentAllSelectService 빈 생성 -->

    <bean id="studentAllSelectService"

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

        <constructor-arg ref="studentDao" />

    </bean>

    <!-- PrintStudentInformationService 빈 생성 -->

    <bean id="printStudentInformationService"

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

        <constructor-arg ref="studentAllSelectService" />

    </bean>

    <!-- DBConnectionInfo 빈 -->

    <!-- 개발에 사용하는 데이터베이스 빈 생성 -->

    <bean id="dev_DBConnectionInfoDev"

          class="ch04_p01.ems.member.DBConnectionInfo">

        <property name="url" value="000.000.000.000" />

        <property name="userId" value="admin" />

        <property name="userPw" value="0000" />

    </bean>

    <!-- 실제 서비스에 이용하는 데이터베이스 빈 생성 -->

    <bean id="real_DBConnectionInfo"

          class="ch04_p01.ems.member.DBConnectionInfo">

        <property name="url" value="111.111.111.111" />

        <property name="userId" value="master" />

        <property name="userPw" value="1111" />

    </bean>

    <!-- EMSInformationService 빈 -->

    <bean id="emsInformationService"

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

        <property name="info"

                  value="Education Management System program was developed in 2022." />

        <property name="copyRight"

                  value="COPYRIGHT (C) 2022 EMS CO., LTD. ALL RIGHT RESERVED. CONTACT MASTER FOR MORE INFORMATION." />

        <property name="ver" value="The version is 1.0" />

        <property name="sYear" value="2022" />

        <property name="sMonth" value="3" />

        <property name="sDay" value="1" />

        <property name="eYear" value="2022" />

        <property name="eMonth" value="4" />

        <property name="eDay" value="30" />

        <property name="developers">

            <list>

                <value>Cheney.</value>

                <value>Eloy.</value>

                <value>Jasper.</value>

                <value>Dillon.</value>

                <value>Kian.</value>

            </list>

        </property>

      

            <!-- administrators 필드 초기화 -->

    <property name="administrators">

        <map>

            <entry>

                <key>

                    <value>Cheney</value>

                </key>

                <value>[e-mail]</value>

            </entry>

            <entry>

                <key>

                    <value>Jasper</value>

                </key>

                <value>[e-mail]</value>

            </entry>

        </map>

    </property>

    <!-- dbInfos 필드 초기화 -->

    <property name="dbInfos">

        <map>

            <!-- 개발용 데이터베이스 지정 -->

            <entry>

                <key>

                    <value>dev</value>

                </key>

                <ref bean="dev_DBConnectionInfoDev" />

            </entry>

            <!-- 실제 서비스 데이터베이스 지정 -->

            <entry>

                <key>

                    <value>real</value>

                </key>

                <ref bean="real_DBConnectionInfo" />

            </entry>

        </map>

    </property>

      

    </bean>

</beans>

hbs006 등록후 전체출력 자체는 되는데 select에서 오류남

그럴 이유가 있나? gpt랑 놀아봤는데 모르겠음...

[강유현(county9484)]

에러메세지를 봐 ㅇㅅㅇ - dc App

[익명(saramx)]

select 자체는 실행되고 Student information is unavailable뜨는데 다음 전체목록 불러올때 sNum부터 값못찾겠다고 떳었나? 그럼