0915과제

[신성우]

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1.성적표출력

DB

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show tables; desc sungjuk select*from sungjuk   create table sungjuk(     idx int not null auto_increment primary key,    /*성적고유번호*/     name varchar(20) not null,                        /*이름*/     kor int default 0,                                /*국어점수*/     eng int default 0,                                /*영어점수*/     mat int default 0                                /*수학점수*/ );     insert into sungjuk values (default,'홍길동',100,90,80);     Colored by Color Scripter

cs

VO

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package T8_sungjuk;   public class SungjukVO {     private int idx;     private String name;     private int kor;     private int eng;     private int mat;          private int tot;     private double avg;     private char grade;          public int getIdx() {         return idx;     }     public void setIdx(int idx) {         this.idx = idx;     }     public String getName() {         return name;     }     public void setName(String name) {         this.name = name;     }     public int getKor() {         return kor;     }     public void setKor(int kor) {         this.kor = kor;     }     public int getEng() {         return eng;     }     public void setEng(int eng) {         this.eng = eng;     }     public int getMat() {         return mat;     }     public void setMat(int mat) {         this.mat = mat;     }     public int getTot() {         return tot;     }     public void setTot(int tot) {         this.tot = tot;     }     public double getAvg() {         return avg;     }     public void setAvg(double avg) {         this.avg = avg;     }     public char getGrade() {         return grade;     }     public void setGrade(char grade) {         this.grade = grade;     }     @Override     public String toString() {         return "SungjukVO [idx=" + idx + ", name=" + name + ", kor=" + kor + ", eng=" + eng + ", mat=" + mat + ", tot="                 + tot + ", avg=" + avg + ", grade=" + grade + "]";     }           }   Colored by Color Scripter

cs

Run

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package T8_sungjuk;   import java.util.Scanner;   public class SungjukRun {     public static void main(String[] args) {         Scanner scanner = new Scanner(System.in);         SungjukService service = new SungjukService();                  boolean run =true;         while(run) {             System.out.println("\n\t\t * * 성 적 표 * *");             System.out.print("1>입력 2>전체조회 3>개별조회 4>수정 5>삭제 0>종료 =>");             int no = scanner.nextInt();                          switch (no) {                 case 1:        //성적입력 (중복처리)                     service.setInput();                     break;                 case 2:        //전체조회                     service.setList();                                          break;                 case 3:        //개별조회                     service.setSearch();                                          break;                 case 4:        //성적수정                     service.setUpdate();                                          break;                 case 5:        //성적삭제                     service.setDelete();                                          break;                 default:                     run=false;             }                      }         System.out.println("\t* * * 작업을 종료합니다 * * *");                  scanner.close();     } }   Colored by Color Scripter

cs

Service

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package T8_sungjuk;   import java.util.ArrayList; import java.util.Scanner;   public class SungjukService {     Scanner scanner = new Scanner(System.in);     SungjukDAO dao = new SungjukDAO();     SungjukVO vo = null;          String ans="N";     String name="";     int no=0;     //성적입력하기     public void setInput() {         vo = new SungjukVO();                  re:while(true) {             System.out.println("\n**성적 입력처리 **");             //동명이인 입력 안받을것임             System.out.print("성명 : ");             name=scanner.next();                          ///////////////////동명의가 있는지 확인/////////////////////////             vo=dao.getSearch(name);             if(vo.getName()!=null) {                 System.out.println("같은 이름이 존재합니다. 다시 입력해주세요.");                 continue re;             }             //////////////////////////////////////////////////////             vo.setName(name);             System.out.print("국어 : ");     vo.setKor(scanner.nextInt());             System.out.print("영어 : ");     vo.setEng(scanner.nextInt());             System.out.print("수학 : ");     vo.setMat(scanner.nextInt());              //            동명이인 처리 (같은 성명자료는 입력하지 않는다.)             int res=dao.setInput(vo);             if(res==0)System.out.println("성적등록실패");             else System.out.println("성적이 등록되었습니다.");             System.out.print("한번 더 입력하시겠습니까? (y/n) => ");             ans=scanner.next();             if(ans.toUpperCase().equals("N"))break;         }     }          // 전체목록 조회하기     public void setList() {         ArrayList<SungjukVO> vos = dao.getList();         //전체목록 조회시 총점과 학점도 출력해야함**         System.out.println("\n\t*** 성 적 리 스 트 ***");         System.out.println("=".repeat(60));         System.out.println("번호\t성명\t국어\t영어\t수학\t총점\t평균\t학점");         System.out.println("-".repeat(60));                  for(int i=0; i<vos.size(); i++) {             vo=vos.get(i);             calculator(vo);             System.out.print(vo.getIdx() +"\t");             System.out.print(vo.getName() +"\t");             System.out.print(vo.getKor() +"\t");             System.out.print(vo.getEng() +"\t");             System.out.print(vo.getMat() +"\t");             System.out.print(vo.getTot() +"\t");             System.out.print(vo.getAvg() +"\t");             System.out.print(vo.getGrade() +"\n");         }                  System.out.println("-".repeat(60));         System.out.println("\t\t\t\t\t총 인원수 : "+vos.size()+"명");         System.out.println("=".repeat(60));              }       private void calculator(SungjukVO vo) {         vo.setTot(vo.getKor()+vo.getEng()+vo.getMat());         vo.setAvg((vo.getTot()/3.0));         if(vo.getAvg()>=90) vo.setGrade('A');         else if(vo.getAvg()>=80) vo.setGrade('B');         else if(vo.getAvg()>=70) vo.setGrade('C');         else if(vo.getAvg()>=60) vo.setGrade('D');         else vo.setGrade('F');     }       public void setSearch() {         while(true) {             System.out.print("\n조회할 성명을 입력하세요 => ");             name=scanner.next();                          vo=dao.getSearch(name);             if(vo!=null) {                 calculator(vo);                 System.out.println("\n번호 : "+vo.getIdx());                 System.out.println("성명 : "+vo.getName());                 System.out.println("국어 : "+vo.getKor());                 System.out.println("영어 : "+vo.getEng());                 System.out.println("수학 : "+vo.getMat());                 System.out.println("총점 : "+vo.getTot());                 System.out.println("평균 : "+vo.getAvg());                 System.out.println("학점 : "+vo.getGrade());             }             else System.out.println("검색하신 "+name+" 님의 자료가 없습니다.");             System.out.print("계속 검색하시겠습니까? (y/n) => ");             ans=scanner.next();             if(ans.toUpperCase().equals("N"))break;         }     }       public void setUpdate() {         System.out.print("\n점수를 수정할 학생의 성명을 입력하세요 => ");         name=scanner.next();         boolean run=true;         while(run) {             vo=dao.getSearch(name);             if(vo.getName()==null) {                 System.out.println("\n"+name+"님은 학생이 아닙니다. . .");                 run=false;             } else {                 System.out.println("-".repeat(40));                 System.out.println("이름 : " +vo.getName());                 System.out.println("국어 : " +vo.getKor());                 System.out.println("영어 : " +vo.getEng());                 System.out.println("수학 : " +vo.getMat());                 System.out.println("-".repeat(40));             }             System.out.println("점수를 수정 할 과목을 선택하세요");             System.out.print("1>국어 2>영어 3>수학 4>나가기  => ");             no=scanner.nextInt();                          int kor=vo.getKor(),eng=vo.getEng(),mat=vo.getMat();             switch (no) {                 case 1:                     System.out.print("국어 점수 다시 입력 =>");                     kor=scanner.nextInt();                     break;                 case 2:                     System.out.print("영어 점수 다시 입력 =>");                     eng=scanner.nextInt();                     break;                 case 3:                     System.out.print("수학 점수 다시 입력 =>");                     mat=scanner.nextInt();                     break;                 default:                     run=false;             }             //점수수정메소드 불러오기             int res=dao.setUpdate(name,kor,eng,mat);             if(res==0)System.out.println("점수 수정에 실패했습니다.");             else System.out.println("작업이 완료되었습니다.");         }     }       public void setDelete() {         System.out.print("자료를 삭제할 학생의 이름을 입력하세요 =>");         name=scanner.next();                  //이름있는지 검색         vo=dao.getSearch(name);         if(vo.getName()==null) {             System.out.println("\n"+name+"님은 학생이 아닙니다. . .");         } else {             //있는지 확인 후 삭제             System.out.print("학생명 "+name+"님의 자료를 정말 삭제하시겠습니까? (y/n)");             String yn=scanner.next();             if(yn.toUpperCase().equals("Y")) {                 System.out.println(name+" 님의 자료가 삭제되었습니다.");                 dao.setDelete(name);             }else {                 System.out.println("자료를 삭제 하지않고 작업 완료. . .");             }         }     }                }   Colored by Color Scripter

cs

DAO

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package T8_sungjuk;   import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList;   public class SungjukDAO {      //////////////////////////////////////// /////////데이터베이스 이용할때 기본필드////////// ////////////////////////////////////////     Connection conn = null;     PreparedStatement pstmt = null;     ResultSet rs = null;          SungjukVO vo = null;     String sql=""; ////////////////////////////////////////     public SungjukDAO() {         String url="jdbc:mysql://localhost:3306/javaProject";         String user="atom";         String password="1234";         //1.드라이버 검색         try {             Class.forName("com.mysql.jdbc.Driver");         //2.데이터베이스 검색(연결/연동)             conn=DriverManager.getConnection(url, user, password);                      } catch (ClassNotFoundException e) {             System.out.println("드라이버 검색 오류 "+e.getMessage());         } catch (SQLException e) {             System.out.println("데이터베이스 연결 오류 "+e.getMessage());         }     } ////////////////////////////////////////////////////     //conn Close;     public void connClose() {         try {             conn.close();         } catch (SQLException e) {                      }     }     //pstmt Close;;     public void pstmtClose() {         try {             if(pstmt !=null)pstmt.close();         } catch (SQLException e) {             // TODO: handle exception         }     }          //rs close     public void rsClose() {         try {             if(rs!=null)rs.close();         } catch (SQLException e) {         pstmtClose();         // TODO: handle exception         }     }          //성적자료 등록처리     public int setInput(SungjukVO vo) {         int res = 0;         try {             sql="insert into sungjuk values (default,?,?,?,?)";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, vo.getName());             pstmt.setInt(2, vo.getKor());             pstmt.setInt(3, vo.getEng());             pstmt.setInt(4, vo.getMat());             res=pstmt.executeUpdate();         } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }         return res;     }          //전체 조회 처리     public ArrayList<SungjukVO> getList() {         ArrayList<SungjukVO> vos = new ArrayList<SungjukVO>();         try {             sql="select*from sungjuk order by idx desc";             pstmt = conn.prepareStatement(sql);             rs=pstmt.executeQuery();                          //rs에 들어간 내용 vo에 담아서 vos만들기              while(rs.next()) {                 vo=new SungjukVO();                 vo.setIdx(rs.getInt("idx"));                 vo.setName(rs.getString("name"));                 vo.setKor(rs.getInt("kor"));                 vo.setEng(rs.getInt("eng"));                 vo.setMat(rs.getInt("mat"));                 vos.add(vo);             }                      } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             rsClose();         }         return vos;     }          //개별조회처리     public SungjukVO getSearch(String name) {         SungjukVO vo = new SungjukVO();         try {             sql="select*from sungjuk where name=?";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, name);             rs=pstmt.executeQuery();                          if(rs.next()) {                 vo.setIdx(rs.getInt("idx"));                 vo.setName(rs.getString("name"));                 vo.setKor(rs.getInt("kor"));                 vo.setEng(rs.getInt("eng"));                 vo.setMat(rs.getInt("mat"));                              }             else vo=null;         } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             rsClose();         }         return vo;     }     public int setUpdate(String name, int kor, int eng, int mat) {         int res=0;         try {             sql="update sungjuk set kor=?,eng=?,mat=? where name=?";             pstmt=conn.prepareStatement(sql);             pstmt.setInt(1, kor);             pstmt.setInt(2, eng);             pstmt.setInt(3, mat);             pstmt.setString(4, name);             res=pstmt.executeUpdate();                      } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }         return res;     }     public void setDelete(String name) {         try {             sql="delete from sungjuk where name=?";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, name);             pstmt.executeUpdate();                      } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }     }           }   Colored by Color Scripter

cs

//////////////////////////////////////////////////////////////////////////////////2번////////////////////////////////////////////////////////////

 DB

본봉VO

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package T8_bonbong;   public class BonbongVO {     private String jikkub;     private int bonbong;               String getJikkub() {         return jikkub;     }     void setJikkub(String jikkub) {         this.jikkub = jikkub;     }     int getBonbong() {         return bonbong;     }     void setBonbong(int bonbong) {         this.bonbong = bonbong;     }     @Override     public String toString() {         return "bonbongVO [jikkub=" + jikkub + ", bonbong=" + bonbong + "]";     }             }   Colored by Color Scripter

cs

사원VO

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package T8_bonbong;   public class SawonVO {     private int sabun;     private String name;     private String jikkub;     private int night;                 private int bonbong;     private int tax;     private int salary;                         int getBonbong() {         return bonbong;     }     void setBonbong(int bonbong) {         this.bonbong = bonbong;     }     int getSabun() {         return sabun;     }     void setSabun(int sabun) {         this.sabun = sabun;     }     String getName() {         return name;     }     void setName(String name) {         this.name = name;     }     String getJikkub() {         return jikkub;     }     void setJikkub(String jikkub) {         this.jikkub = jikkub;     }     int getNight() {         return night;     }     void setNight(int night) {         this.night = night;     }     int getTax() {         return tax;     }     void setTax(int tax) {         this.tax = tax;     }     int getSalary() {         return salary;     }     void setSalary(int salary) {         this.salary = salary;     }     @Override     public String toString() {         return "SawonVO [sabun=" + sabun + ", name=" + name + ", jikkub=" + jikkub + ", night=" + night + ", bonbong="                 + bonbong + ", tax=" + tax + ", salary=" + salary + "]";     }           }   Colored by Color Scripter

cs

사원본봉Run

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package T8_bonbong;   import java.util.Scanner;   /*  * 2. 급여계산하기 ▶ 본봉테이블(bonbong)을 만든다. 필요한 필드로는, 직급(jikkub)필드와 본봉(bonbong)필드이다. - 본봉테이블에 직급과 본봉을 '입력/수정/전체조회/삭제'할수있도록 만들어준다. ▶ 사원테이블(sawon)을 만든다.  필요한 필드로는, 사번(sabun), 성명(name), 직급(jikkub), 야근시간(night) 필드이다. 사원테이블에 자료를 '입력/수정/삭제/전체조회/개별조회' 할 수 있도록 프로그래밍하시오. 자료 입력시는 직급코드를 '숫자 or 문자'로 받아서 DB에는 한글로 입력처리하시오.(예:S 는 '사원', D는 '대리', 'K'는 '과장', 'B'는 부장...등.... 직급은 더 넣어도 상관없음. 단 동일 직급은 있을수 없다. 또한 야근 시간을 입력받는다.   :  야근수당은 야근시간당 25000원으로 한다.   :  공제액 = (본봉 + 수당)의 10%로 한다.   :  실수령액 = (본봉 + 수당 ) - 공제액     출력내용중, '전체조회/개별조회'시, 각 사원의 '수당'과 '공제액'과 '실수령액'을 함께 출력하시오.  */ public class SawonBonbongRun {     public static void main(String[] args) {         Scanner scanner = new Scanner(System.in);         SBService service = new SBService();                  boolean run=true;         System.out.println("\n\t\t * * * 급 여 계 산 기 * * *");         while(run) {             System.out.println("=".repeat(60));             System.out.print("1> 급여관리 \t\t2> 사원관리 \t\t3> 작업종료 => ");             int no=scanner.nextInt();             switch (no) {                 case 1:                     service.BonbongService();                     break;                 case 2:                     service.SawonService();                     break;                 default:                     run=false;             }         }         System.out.println("\n 작업을 종료합니다. . . ");         scanner.close();              } }   Colored by Color Scripter

cs

사원본봉 service

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package T8_bonbong;   import java.util.ArrayList; import java.util.Scanner;   /* ▶ 본봉테이블(bonbong)을 만든다. 필요한 필드로는, 직급(jikkub)필드와 본봉(bonbong)필드이다. - 본봉테이블에 직급과 본봉을 '입력/수정/전체조회/삭제'할수있도록 만들어준다.  */ public class SBService {     Scanner scanner =new Scanner(System.in);     SBDAO dao = new SBDAO();     BonbongVO voB=null;     SawonVO voS=null;          int no;     int res;     String name="";     String ans="N";     String jikkub="";          public void BonbongService() {                  System.out.println("\n\t\t* * * 급 여 관 리 자 * * *");         System.out.println("=".repeat(60));         System.out.print("1> 직급정보입력  2> 직급정보수정  3> 직급전체조회  4> 정보삭제   0>나가기 => ");         no=scanner.nextInt();                  switch (no) {             case 1:                 System.out.println("** 직급,급여 입력 처리 **");                                  //같은 직급 추가 불가처리 해야함                 System.out.print("직급 (직급의 이니셜 1단어) : " );                 jikkub=scanner.next().toUpperCase();                                  ///같은 이름의 직급있으면 걸러내기                 voB=dao.getSearchB(jikkub);                 if(voB.getJikkub()!=null) {                     System.out.println("이미 존재하는 직급입니다. \n* * 등록 실패 * *");                     return;                 }                                  voB.setJikkub(jikkub);                                  System.out.print("해당 직급( "+jikkub+" )의 급여 : "); voB.setBonbong(scanner.nextInt());                 res=dao.setInputB(voB);                 if(res==0)System.out.println("등록에 실패했습니다.");                 else System.out.println("정상적으로 등록을 완료했습니다.");                                  break;             case 2:                 //수정하려면 먼저 찾아야함                 System.out.print("수정하고자 하는 직급을 입력하세요 : ");                 jikkub=scanner.next().toUpperCase();                 voB=dao.getSearchB(jikkub);                 if(voB.getJikkub()==null) {                     System.out.println("\n "+jikkub+" 는 잘못된 직급 입니다. . .");                     break;                 } else {                     System.out.println("해당직급의 새 직급명 > ");                     String newJikkub=scanner.next();                     System.out.println(newJikkub+" 의 본봉 입력 > ");                     int bonbong=scanner.nextInt();                                          res=dao.setUpdateB(jikkub,newJikkub,bonbong);                     if(res==0)System.out.println("직급의 수정에 실패했습니다.");                     else System.out.println("작업이 완료되었습니다.");                 }                                                   break;             case 3:                 //직급표일람                 ArrayList<BonbongVO> vos = dao.getListB();                 System.out.println("\n\t\t * * 직 급 표 일 람 * * ");                 System.out.println("=".repeat(60));                 System.out.println("\t직급명\t\t\t   본봉");                 System.out.println("=".repeat(60));                                  for(int i=0; i<vos.size(); i++){                     voB=vos.get(i);                     System.out.print("\t  "+voB.getJikkub()+"\t");                     System.out.print("\t\t  "+voB.getBonbong()+"\n");                 }                 System.out.println("-".repeat(60));                 System.out.println("\t\t\t\t총 "+vos.size()+" 개의 직급이 있습니다.\n");                   break;             case 4:                 //삭제                 System.out.println("삭제하고자 하는 직급을 입력하세요 : ");                 jikkub=scanner.next().toUpperCase();                 voB=dao.getSearchB(jikkub);                 if(voB.getJikkub()==null) {                     System.out.println("\n "+jikkub+" 는 잘못된 직급 입니다. . .");                     break;                 } else {                     res=dao.setDeleteB(jikkub);                     System.out.println("해당 직급을 삭제했습니다.");                 }                                  break;               default:                 //나가기                 break;         }                                } /*  ▶ 사원테이블(sawon)을 만든다.  필요한 필드로는, 사번(sabun), 성명(name), 직급(jikkub), 야근시간(night) 필드이다. 사원테이블에 자료를 '입력/수정/삭제/전체조회/개별조회' 할 수 있도록 프로그래밍하시오. 자료 입력시는 직급코드를 '숫자 or 문자'로 받아서 DB에는 한글로 입력처리하시오.(예:S 는 '사원', D는 '대리', 'K'는 '과장', 'B'는 부장...등.... 직급은 더 넣어도 상관없음. 단 동일 직급은 있을수 없다. 또한 야근 시간을 입력받는다.   :  야근수당은 야근시간당 25000원으로 한다.   :  공제액 = (본봉 + 수당)의 10%로 한다.   :  실수령액 = (본봉 + 수당 ) - 공제액     출력내용중, '전체조회/개별조회'시, 각 사원의 '수당'과 '공제액'과 '실수령액'을 함께 출력하시오.  */     public void SawonService() {         System.out.println("\n\t\t* * * 사 원 관 리 자 * * *");         System.out.println("=".repeat(60));         System.out.print("1>정보입력  2>정보수정  3>정보삭제  4>전체조회  5>개별조회 \t0>나가기 => ");         no=scanner.nextInt();                  switch (no) {             case 1://입력                                  while(true) {                                          System.out.println("\n\t* * 사원 정보 신규 입력 * *");                     //***동명이인, 본봉테이블에 없는 직급은 입력 안받을것임***                     System.out.print("성명 : ");                     name=scanner.next();                     ////////////동명이인 비교(같은이름안받음)////////                     voS=dao.getSearchS(name);                     if(voS.getName()!=null) {                         System.out.println("이미 같은 이름이 존재합니다.\n작업을 종료합니다.");                         return;                     }else voS.setName(name);                                          //////////////이름입력끝////////////////                     //////////직급비교(없는직급 안받음)//////////////////////                                          System.out.print("직급 : ");                     jikkub=scanner.next();                                          voB=dao.getSearchB(jikkub);                     //본봉테이블에 있는 직급이랑 비교해야함//                     if(voB.getJikkub()==null) {                         System.out.println("존재하지 않는 직급입니다.\n작업을 종료합니다.");                         return;                     }                     voS.setJikkub(jikkub);                     ///////////////////직급입력끝////////////////                     System.out.print("특근시간 : ");                     voS.setNight(scanner.nextInt());                                          //////////////////입력완료/////////                     int res=dao.setInputS(voS);                     if(res==0)System.out.println("정상 등록 실패");                     else System.out.println("정상 등록 되었습니다.");                     System.out.print("계속 입력 하시겠습니까? (y/n) =>");                     ans=scanner.next();                     if(ans.toUpperCase().equals("N"))break;                 }                 break;                                               case 2://수정                 System.out.println("\n\t* * 사원 정보 수정 * *");                 System.out.print("수정하고자 하는 사원의 이름을 입력하세요 =>");                 name = scanner.next();                 voS=dao.getSearchS(name);                 if(voS.getName()==null) {                     System.out.println(name+" 님은 사원이 아닙니다. . .\n작업을 종료합니다.");                     return;                 }else {                     System.out.println("-".repeat(60));                     System.out.println("사  번\t: "+voS.getSabun());                     System.out.println("이  름\t: "+voS.getName());                     System.out.println("직  급\t: "+voS.getJikkub());                     System.out.println("특근시간\t: "+voS.getNight()+" 시간");                 }                 boolean run=true;                 String newName = voS.getName();                 jikkub = voS.getJikkub();                 int night = voS.getNight();                                  re:while(run) {                     System.out.println("-".repeat(60));                     System.out.println("수정할 정보를 선택하세요");                     System.out.print("1> 이름  2> 직급  3> 특근시간  0> 종료   => ");                     no=scanner.nextInt();                                                               ///수정할때도 이름 중복 허용안할것임                     ///직급도 없는 직급은 안받을것임!!                                          switch (no) {                         case 1:                             System.out.print("\n이름 수정 => ");                             newName=scanner.next();                                                          voS=dao.getSearchS(newName);                             if(voS.getName()!=null) {                                 System.out.println("이미 같은 이름이 존재합니다.\n작업을 종료합니다.");                                 continue re;                             }                             break;                                                      case 2:                             System.out.print("\n직급 수정 => ");                             jikkub=scanner.next();                             voB=dao.getSearchB(jikkub);                             //본봉테이블에 있는 직급이랑 비교해야함//                             if(voB.getJikkub()==null) {                                 System.out.println("존재하지 않는 직급입니다.\n작업을 종료합니다.");                                 continue re;                             }                             break;                         case 3:                             System.out.print("\n특근시간 => ");                             night=scanner.nextInt();                             break;                                                      default:                             run=false;                     }                     ////////정보 수정하는 메소드////////                     int res=dao.setUpdateS(newName,jikkub,night,name);                     if(res==0)System.out.println("점수 수정에 실패했습니다. . .");                     else System.out.println("작업 완료 . . .");                 }                                                                    break;             case 3://삭제                 System.out.println("자료를 삭제할 사원의 이름을 입력하세요 =>");                 name = scanner.next();                 voS=dao.getSearchS(name);                 if(voS.getName()==null) {                     System.out.println(name+" 님은 사원이 아닙니다. . .\n작업을 종료합니다.");                     return;                 }else {                     System.out.println(name+"님의 자료를 정말 삭제할까요? (y/n) =>");                     ans=scanner.next();                     if(ans.toUpperCase().equals("Y")) {                         System.out.println(name+"님의 자료를 삭제합니다.");                         dao.setDeleteS(name);                     }else System.out.println("자료의 삭제를 취소합니다. \n작업을 종료합니다.");                 }                 break;                                                                case 4://전체조회                 ArrayList<SawonVO> vosS = dao.getListS();                 ArrayList<BonbongVO> vosB =dao.getListB();                  //사원직급<=>본봉직급 비교로 해당직급의 본봉을 출력                 System.out.println("\n\t\t* * * 사 원 명 단 * * *");                 System.out.println("=".repeat(60));                 System.out.println("사번\t이름\t직급명\t특근\t 본봉\t 공제액\t 실수령액");                 System.out.println("-".repeat(60));                                  for(int i=0; i<vosS.size(); i++){                     voS=vosS.get(i);                     System.out.print(voS.getSabun()+"\t");                     System.out.print(voS.getName()+"\t");                     System.out.print(voS.getJikkub()+"\t");                     System.out.print(voS.getNight()+" 시간\t");                     /////사원의 직급과 비교하고 해당직급의 본봉 출력하기/////////                     for(int j=0; j<vosB.size(); j++) {                         voB=vosB.get(j);                         if(voS.getJikkub().equals(voB.getJikkub())) {                             calc(voS);                             //계산용..                             System.out.print(voB.getBonbong()+"\t");                         }                     }                     //////////////////////////////////////////////                     System.out.print(voS.getTax()+"\t");                     System.out.print(voS.getSalary()+"\n");                                      }                                  System.out.println("-".repeat(60));                 System.out.println("\t\t\t\t\t 총원 "+vosS.size()+" 명");                 System.out.println("=".repeat(60));                 break;                                               case 5://개별조회                 vosB=dao.getListB();                 //사원 본봉 볼때마다 본봉리스트 불러와서 비교해야함...                                  System.out.println("\n\t\t* * * 사 원 조 회 * * *");                 while(true) {                     System.out.print("\n 조회하고자 하는 사원의 이름을 입력 하세요 =>");                     name=scanner.next();                                          voS=dao.getSearchS(name);                     if(voS!=null) {                         System.out.println("사  번\t: "+voS.getSabun());                         System.out.println("이  름\t: "+voS.getName());                         System.out.println("직  급\t: "+voS.getJikkub());                         System.out.println("특근시간\t: "+voS.getNight()+" 시간");                         //////////본봉출력용;///////                         for(int i=0; i<vosB.size(); i++) {                             voB=vosB.get(i);                             if(voS.getJikkub().equals(voB.getJikkub())) {                                 calc(voS);                                 //계산용..                                 System.out.print("본  봉\t:"+voB.getBonbong());                             }                         }                         /////////////////////////////                         System.out.println("공제액\t:"+voS.getTax()+"\t");                         System.out.println("실수령액\t:"+voS.getSalary()+"\n");                     } else System.out.println(name+"님의 자료가 없습니다. . .");                     System.out.print("계속 검색 하시겠습니까? (y/n) =>");                     ans=scanner.next();                     if(ans.toUpperCase().equals("N"))break;                                      }                 break;               default:                 break;         }              }     private void calc(SawonVO voS) {         int sudang=(voS.getNight()*25000);         voS.setBonbong(voB.getBonbong());         voS.setTax((int)( (voS.getBonbong()+sudang)*0.1) );         voS.setSalary(voS.getBonbong()+sudang-voS.getTax());     }   }   Colored by Color Scripter

cs

사원본봉 DAO

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package T8_bonbong;   import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList;   public class SBDAO {     Connection conn =null;     PreparedStatement pstmt =null;     ResultSet rs=null;          BonbongVO voB=null;     SawonVO voS=null;     String sql="";               public SBDAO() {         String url="jdbc:mysql://localhost:3306/javaProject";         String user="atom";         String password="1234";                  try {             Class.forName("com.mysql.jdbc.Driver");             conn=DriverManager.getConnection(url, user, password);                      } catch (ClassNotFoundException e) {             e.printStackTrace();         } catch (SQLException e) {             e.printStackTrace();         }     }          public void connClose() {         try {             conn.close();         } catch (SQLException e) {}     }          public void pstmtClose() {         try {             if(pstmt!=null)pstmt.close();         } catch (SQLException e) {}     }          public void rsClose() {         try {             if(rs!=null)rs.close();         } catch (Exception e) {             pstmtClose();         }     }                    //직급 검색용 조회     public BonbongVO getSearchB(String jikkub){         BonbongVO vo=new BonbongVO();         try {             sql="select*from bonbong where jikkub=?";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, jikkub);             rs=pstmt.executeQuery();             if(rs.next()) {                 vo.setJikkub(rs.getString("jikkub"));             }         } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }                  return vo;     }                 public int setInputB(BonbongVO voB) {         int res=0;         try {             sql="insert into bonbong values (?,?)";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, voB.getJikkub());             pstmt.setInt(2, voB.getBonbong());             res=pstmt.executeUpdate();                      } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }                  return res;     }       public ArrayList<BonbongVO> getListB() {         ArrayList<BonbongVO> vos = new ArrayList<BonbongVO>();         try {             sql="select*from bonbong order by bonbong desc";             pstmt = conn.prepareStatement(sql);             rs=pstmt.executeQuery();                          while(rs.next()) {                 voB=new BonbongVO();                 voB.setJikkub(rs.getString("jikkub"));                 voB.setBonbong(rs.getInt("bonbong"));                 vos.add(voB);             }                      } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             rsClose();         }         return vos;     }       public int setUpdateB(String jikkub, String newJikkub, int bonbong) {         int res=0;         try {             sql="update bonbong set jikkub=?, bonbong=? where jikkub=?";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, newJikkub);             pstmt.setInt(2, bonbong);             pstmt.setString(3, jikkub);             res=pstmt.executeUpdate();                      } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }                  return res;     }       public int setDeleteB(String jikkub) {         int res=0;         try {             sql="delete from bonbong where jikkub=?";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, jikkub);             res=pstmt.executeUpdate();                      } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }         return res;     }          //////////////////////////여기서부터 사원관리자 출력용/////////////////////////////       public ArrayList<SawonVO> getListS() {         ArrayList<SawonVO> vos = new ArrayList<SawonVO>();         try {             sql="select*from sawon";             pstmt=conn.prepareStatement(sql);             rs=pstmt.executeQuery();               while(rs.next()) {                 voS=new SawonVO();                 voS.setSabun(rs.getInt("sabun"));                 voS.setName(rs.getString("name"));                 voS.setJikkub(rs.getString("jikkub"));                 voS.setNight(rs.getInt("night"));                 vos.add(voS);             }             //직급 비교해서 두개가 같으면 본봉 출력하면 되지않을까             /*              이런식이니까              사원 VO출력 다 하고 사원직급<=>본봉직급 비교로              직급이 같은 본봉을 출력 (같은배열안에있을테니까)              */         } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             rsClose();         }                  return vos;     }               //개별정보검색     public SawonVO getSearchS(String name) {         SawonVO voS= new SawonVO();         try {             sql="select*from sawon where name=?";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, name);             rs=pstmt.executeQuery();             if(rs.next()) {                 voS.setSabun(rs.getInt("sabun"));                 voS.setName(rs.getString("name"));                 voS.setJikkub(rs.getString("jikkub"));                 voS.setNight(rs.getInt("night"));             }         } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             rsClose();         }                  return voS;     }       public int setInputS(SawonVO voS) {         int res=0;         try {             sql="insert into sawon values (default,?,?,?)";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, voS.getName());             pstmt.setString(2, voS.getJikkub());             pstmt.setInt(3, voS.getNight());             res=pstmt.executeUpdate();                      } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }         return res;     }       public int setUpdateS(String newName, String jikkub, int night, String name) {         int res=0;         try {             sql="update sawon set name=?,jikkub=?,night=? where name=?";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, newName);             pstmt.setString(2, jikkub);             pstmt.setInt(3, night);             pstmt.setString(4, name);             res=pstmt.executeUpdate();                                           } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }         return res;     }       public void setDeleteS(String name) {         try {             sql="delete from sawon where name=?";             pstmt=conn.prepareStatement(sql);             pstmt.setString(1, name);             pstmt.execute();                      } catch (SQLException e) {             System.out.println("SQL오류 : "+e.getMessage());         } finally {             pstmtClose();         }                       }           }   Colored by Color Scripter

cs

[행복]

내용이 많이 길어지고 있군요.
비즈니스로직이 들어가게 되면 사소한 내용들도 이곳에서 처리하느라 작은 작업들이 많이 생길듯 합니다.
수고하셨어요