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Commit 2b6e3db

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Add Student management UI and controller classes for handling student data
1 parent 623e059 commit 2b6e3db

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7 files changed

+454
-9
lines changed

7 files changed

+454
-9
lines changed
Lines changed: 50 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,50 @@
1+
package controller;
2+
3+
import java.awt.event.ActionEvent;
4+
import java.awt.event.ActionListener;
5+
import java.util.Vector;
6+
7+
import models.Student;
8+
import models.StudentManager;
9+
import views.StudentUI;
10+
11+
public class StudentController {
12+
private StudentManager studentManager; // models
13+
private StudentUI studentUI; // views
14+
15+
public StudentController() {
16+
studentManager = new StudentManager();
17+
studentUI = new StudentUI();
18+
19+
loadDada();
20+
solveActionListener();
21+
22+
}
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24+
public void loadDada() {
25+
Vector vData = studentManager.convertToVector();
26+
studentUI.setDataModelTable(vData);
27+
}
28+
29+
public void solveActionListener() {
30+
studentUI.getAddButton().addActionListener(new ActionListener() {
31+
public void actionPerformed(ActionEvent e) {
32+
// Lấy thông tin từ giao diện
33+
String masv = studentUI.getMaSvTextField().getText();
34+
String name = studentUI.getNameTextField().getText();
35+
int age = (int) studentUI.getTuoiSpinner().getValue();
36+
String gender = "Nam";
37+
if (studentUI.getNuRadio().isSelected())
38+
gender = "Nữ";
39+
// Tạo 1 đối tượng
40+
Student student = new Student(age, masv, name, age, gender);
41+
// Thêm đối tượng vào database
42+
studentManager.create(student);
43+
// Load lại thông tin
44+
loadDada();
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46+
}
47+
});
48+
49+
}
50+
}

‎Khoá học Java Swing và JDBC T11/05_java_jdbc/TestJDBC/src/models/ConnectSQL.java‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -18,7 +18,8 @@ private ConnectSQL() {
1818
System.out.println("Đã kết nối tới SQL");
1919
} catch (Exception e) {
2020
// TODO: handle exception
21-
System.out.println(e.getMessage());
21+
// System.out.println(e.getMessage());
22+
e.printStackTrace();
2223
}
2324
}
2425

‎Khoá học Java Swing và JDBC T11/05_java_jdbc/TestJDBC/src/models/Student.java‎

Lines changed: 27 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,8 @@
11
package models;
22

3+
import java.util.Scanner;
4+
import java.util.Vector;
5+
36
public class Student {
47
private int id;
58
public String masv;
@@ -28,6 +31,30 @@ public Student(int id, String masv, String name, int age, String gender) {
2831
public String toString() {
2932
return "Student [id=" + id + ", masv=" + masv + ", name=" + name + ", age=" + age + ", gender=" + gender + "]";
3033
}
34+
35+
public void input() {
36+
Scanner sc = new Scanner(System.in);
37+
System.out.println("Nhập Mã SV: ");
38+
this.masv = sc.nextLine();
39+
System.out.println("Nhập Tên: ");
40+
this.name = sc.nextLine();
41+
System.out.println("Nhập Age: ");
42+
this.age = sc.nextInt();
43+
sc.nextLine();
44+
System.out.println("Nhập Gender: ");
45+
this.gender = sc.nextLine();
46+
47+
}
48+
49+
public Vector convertVector() {
50+
Vector v = new Vector<>();
51+
v.add(this.id);
52+
v.add(this.masv);
53+
v.add(this.name);
54+
v.add(this.getAge());
55+
v.add(this.gender);
56+
return v;
57+
}
3158

3259
public String getMasv() {
3360
return masv;

‎Khoá học Java Swing và JDBC T11/05_java_jdbc/TestJDBC/src/models/StudentManager.java‎

Lines changed: 89 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -5,9 +5,19 @@
55
import java.sql.ResultSet;
66
import java.sql.SQLException;
77
import java.util.ArrayList;
8+
import java.util.Vector;
89

910
public class StudentManager {
10-
public static ArrayList<Student> getAll() {
11+
12+
private ArrayList<Student> students;
13+
14+
public StudentManager() {
15+
this.students = this.getAll();
16+
}
17+
18+
// Lấy dữ liệu từ bảng sinh viên
19+
public ArrayList<Student> getAll() {
20+
1121
ArrayList<Student> students = new ArrayList<>();
1222
try {
1323
Connection conn = ConnectSQL.getConnected();
@@ -33,7 +43,8 @@ public static ArrayList<Student> getAll() {
3343
return students;
3444
}
3545

36-
public static void create(Student s) {
46+
// Thêm dữ liệu vào từ bảng sinh viên
47+
public void create(Student s) {
3748

3849
try {
3950
Connection conn = ConnectSQL.getConnected();
@@ -47,6 +58,7 @@ public static void create(Student s) {
4758
int row = ptsm.executeUpdate();
4859
if (row > 0) {
4960
System.out.println("Thêm thành công " + s);
61+
students.add(s);
5062
} else {
5163
System.out.println("Thêm lỗi");
5264
}
@@ -56,4 +68,79 @@ public static void create(Student s) {
5668
System.out.println(e.getMessage());
5769
}
5870
}
71+
72+
// Sửa dữ liệu
73+
public void update(int id, Student s) {
74+
try {
75+
Connection conn = ConnectSQL.getConnected();
76+
String query = "UPDATE students SET masv=?, name=?, age=?, gender=? WHERE id=?";
77+
PreparedStatement ptsm = conn.prepareStatement(query);
78+
ptsm.setString(1, s.getMasv());
79+
ptsm.setString(2, s.getName());
80+
ptsm.setInt(3, s.getAge());
81+
ptsm.setString(4, s.getGender());
82+
ptsm.setInt(5, id);
83+
84+
int row = ptsm.executeUpdate();
85+
if (row > 0) {
86+
System.out.println("Sửa thành công " + s);
87+
} else {
88+
System.out.println("Sửa bị lỗi");
89+
}
90+
91+
} catch (SQLException e) {
92+
// TODO Auto-generated catch block
93+
System.out.println(e.getMessage());
94+
}
95+
96+
}
97+
98+
// Xoá sinh viên
99+
public void delete(int id) {
100+
try {
101+
Connection conn = ConnectSQL.getConnected();
102+
String query = "DELETE FROM students WHERE id=?";
103+
PreparedStatement ptsm = conn.prepareStatement(query);
104+
ptsm.setInt(1, id);
105+
106+
int row = ptsm.executeUpdate();
107+
if (row > 0) {
108+
System.out.println("Xoá thành công ");
109+
} else {
110+
System.out.println("Xoá bị lỗi");
111+
}
112+
113+
} catch (SQLException e) {
114+
// TODO Auto-generated catch block
115+
System.out.println(e.getMessage());
116+
// e.printStackTrace();
117+
}
118+
}
119+
120+
// Tìm sinh viên dựa vào id
121+
public Student find(int id) {
122+
this.students = getAll();
123+
for (Student s: students)
124+
if (s.getId() == id) {
125+
return s;
126+
}
127+
return null;
128+
}
129+
130+
131+
// Hiển thị danh sách sinh viên
132+
public void display() {
133+
this.students = getAll();
134+
for (Student s: students) {
135+
System.out.println(s);
136+
}
137+
}
138+
139+
public Vector convertToVector() {
140+
this.students = getAll();
141+
Vector vData = new Vector<>();
142+
for (Student s: students)
143+
vData.add(s.convertVector());
144+
return vData;
145+
}
59146
}
Lines changed: 42 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,42 @@
1+
package test;
2+
3+
import java.util.Scanner;
4+
5+
import models.Student;
6+
import models.StudentManager;
7+
8+
public class Menu {
9+
10+
public static int chooseMenu() {
11+
Scanner sc = new Scanner(System.in);
12+
System.out.println("+------- Menu ---------+");
13+
System.out.println("| 1. Thêm sinh viên ");
14+
System.out.println("| 2. In ra danh sách sinh viên");
15+
System.out.print("Nhập lựa chọn: ");
16+
return sc.nextInt();
17+
}
18+
19+
public static void main(String[] args) {
20+
StudentManager studentManager = new StudentManager();
21+
int choose;
22+
do {
23+
choose = chooseMenu();
24+
switch (choose) {
25+
case 1: {
26+
Student s = new Student();
27+
s.input();
28+
studentManager.create(s);
29+
break;
30+
}
31+
case 2: {
32+
studentManager.display();
33+
break;
34+
}
35+
}
36+
37+
} while (choose != 0);
38+
System.out.println("Đã thoát");
39+
40+
}
41+
42+
}
Lines changed: 3 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1,20 +1,17 @@
11
package test;
22

33
import java.util.ArrayList;
4+
5+
import controller.StudentController;
46
import models.Student;
57
import models.StudentManager;
68

79
public class Test {
810

911
public static void main(String[] args) {
1012
// TODO Auto-generated method stub
11-
12-
Student s = new Student(0, "24IT395", "Nguyễn Quang Vũ", 38, "Nam");
13-
StudentManager.create(s);
1413

15-
ArrayList<Student> students = StudentManager.getAll();
16-
for (int i = 0; i < students.size(); i++)
17-
System.out.println(students.get(i));
14+
StudentController studentController = new StudentController();
1815
}
1916

2017
}

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