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Seda postitust toimetas viimati Delver_Si 2014-11-20 kell 21:21
[mw_shl_code=sql,true] kasuta masterit
mine
kui eksisteerib (vali * sys.databases, kus nimi = 'kool')
Drop Database School
mine
loo andmebaasikool
mine
Kasutuskool
mine
loo laud, õpilane
(
stu_id varchar(10) primaarvõti ,-- number
stu_name varchar(20) ei ole null,-- nimi
stu_addr Varchar (100) ,-- aadress
stu_spec Varchar (50) ,-- professionaal
stu_dorm Varchar (50) — ühiselamu
)
mine
lisa õpilaste väärtustesse ('100001', 'Zhang San', 'Wuhan Xu Dong', 'Infotehnika', '101')
lisa õpilaste väärtustesse ('100002','Li Si','Wuhan Xu Dong','Information Engineering','102')
Vali * õpilasest
--kustuta õpilasest, kus stu_id = '100001'
--update student set stu_name = 'Li Si', stu_addr = 'Zhang San', stu_spec= 'Software Testing', stu_dorm = '1001', kus stu_id = '100001'[/mw_shl_code]
[mw_shl_code=java,true]pakett online.school.test;
importida java.util.ArrayList;
import java.util.List; importida online.school.domain.Student;
importida online.school.service.StudentService;
avalik klass StudentTest {
public static void main(String[] args) {
new StudentTest().getAllStudent();
}
public int addStudent() {
Õpilane = uus õpilane ("3", "Wang Wu", "Xiaogan", "Tarkvara testimine", "103");
return new StudentService().addStudent(student);
}
public int delStudent() {
string stuId="3";
return new StudentService().delStudent(stuId);
}
public void findStudent() {
string stuId="3";
Student student =new StudentService().findStudent(stuId);
System.out.println(student.toString());
}
avalik nimekiri<Student> getAllStudent() {
ArrayList al = (ArrayList) uus StudentService().getAllStudent();
for(int i =0; i<al.size(); i++){
Objekt[] obj =(Objekt[]) al.get(i);
for(int j=0; j<5; j++){
System.out.print(obj[j] + " ");
}
System.out.println();
}
Return Al;
}
public int updateStudent() {
Õpilane = uus üliõpilane ("3", "Wang Wu", "Yingcheng", "Tsiviilehitus", "103");
new StudentService().updateStudent(student);
tagasitulek 0;
}
}
[/mw_shl_code]
[mw_shl_code=java,true]pakett online.school.domain;
avalik klass Õpilane {
privaatne String stu_id; number
privaatne String stu_name; Nimi
privaatne String stu_addr; - Aadress
privaatne String stu_spec; Professionaalne karjäär
privaatne String stu_dorm; Ühiselamu
public String getStu_id() {
Tagasi stu_id;
}
public void setStu_id(String stuId) {
stu_id = õpitud;
}
public String getStu_name() {
Tagasi stu_name;
}
public void setStu_name(String stuName) {
stu_name = stuName;
}
public String getStu_addr() {
Tagasi stu_addr;
}
public void setStu_addr(String stuAddr) {
stu_addr = stuAddr;
}
public String getStu_spec() {
tagasi stu_spec;
}
public void setStu_spec(String stuSpec) {
stu_spec = stuSpec;
}
public String getStu_dorm() {
Tagasi stu_dorm;
}
public void setStu_dorm(String stuDorm) {
stu_dorm = stuDorm;
}
public Student() {
super();
}
public Student(String stuId, String stuName, String stuAddr,
String stuSpec, String stuDorm) {
super();
stu_id = õpitud;
stu_name = stuName;
stu_addr = stuAddr;
stu_spec = stuSpec;
stu_dorm = stuDorm;
}
@Override
public String toString() {
return "Õpilane [stu_addr=" + stu_addr + ", stu_dorm=" + stu_dorm
+ ", stu_id=" + stu_id + ", stu_name=" + stu_name
+ ", stu_spec=" + stu_spec + "]";
}
}
[/mw_shl_code]
[mw_shl_code=java,true]pakett online.school.service;
import java.util.List;
impordi online.school.dao.StudentDao;
importida online.school.domain.Student;
impordi online.school.utils.SqlHelp;
public class StudentService rakendab IStudentService{
@Override
public int addStudent (Tudeng) {
String sql = "insert into student values(?,?,?,?,?)";
return new StudentDao().addStudent(sql,student.getStu_id(),student.getStu_name(),student.getStu_addr(),student.getStu_spec(),student.getStu_dorm());
}
@Override
public int delStudent(String stuId) {
String sql = "kustuta õpilasest, kus stu_id = ?";
return new StudentDao().delStudent(sql, stuId);
}
@Override
public Student findStudent(String stuId) {
String sql = "vali * õpilasest, kus stu_id = ?";
return new StudentDao().findStudent(sql, stuId);
}
@Override
avalik nimekiri<Student> getAllStudent() {
String sql = "vali * õpilaselt";
return new StudentDao().getAllStudent(sql);
}
@Override
public int updateStudent(Student student) {
String sql = "uuenda õpilaskomplekti stu_name = ?,stu_addr = ?, stu_spec= ?,stu_dorm = ? kus stu_id = ?";
return new StudentDao().updateStudent(sql, student.getStu_name(),student.getStu_addr(),student.getStu_spec(),student.getStu_dorm(),student.getStu_id());
}
}
[/mw_shl_code] [mw_shl_code=java,true]pakett online.school.dao;
importida java.util.ArrayList;
import java.util.List;
importida online.school.domain.Student;
impordi online.school.utils.SqlHelp;
public class StudentDao implements IStudentDao{
@Override
public int addStudent(string sql, string... args) {
return new SqlHelp().executeUpdate(sql,args);
}
@Override
public int delStudent (string sql, string... args) {
return new SqlHelp().executeUpdate(sql,args);
}
@Override
avalik õpilase leid Õpilane (String SQL, String... args) {
ArrayList al = uus SqlHelp().executeQuery(sql, args);
Objekt[] obj =(Objekt[]) al.get(0);
Õpilane = uus õpilane();
student.setStu_id((String) obj[0]);
student.setStu_name((String) obj[1]);
student.setStu_addr((String) obj[2]);
student.setStu_spec((String) obj[3]);
student.setStu_dorm((String) obj[4]);
tagasipöörduv õpilane;
}
@Override
public List<Student> getAllStudent (string sql) {
ArrayList al = uus SqlHelp().executeQuery(sql);
Return Al;
}
@Override
public int updateStudent(string sql, string... args) {
return new SqlHelp().executeUpdate(sql, args);
}
}
[/mw_shl_code]
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Eelmine:Hiljuti teen veebipõhist raamatupoe projekti, mis on registreerimisfunktsioon, mida on viimastel päevadel tehtudJärgmine:C# versioon õpilashaldussüsteemist
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Üürileandja|
Postitatud 20.11.2014 21:20:55
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Postitatud 20.11.2014 21:13:20
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Postitatud 20.11.2014 20:43:50
