학생 관리 시스템을 봉인하다.
다음은 코드입니다.
package com에 있습니다.sc.java.managers;두 개의 프로그램이 실행되었습니다.
기본 인터페이스 창:
package com.sc.java.managers;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import com.sc.java.managers.db.TeacherDB;
import com.sc.java.managers.table.StudentTable;
public class ManagerGuiDemo extends JFrame {
Container container;
JButton loginBtn;
JButton registBtn;
JButton resetbtn;
JLabel accountLable;
JLabel passWordLable;
JLabel imageLable;
JTextField accountTxt;
JPasswordField passWordTxt;
JPanel btnJPanel;
JPanel imageJpanel;
JPanel gridJpanel;
TeacherDB db = TeacherDB.getInstance();
//
public ManagerGuiDemo() {
super(" ");
this.setBounds(500, 300, 350, 400);
container = this.getContentPane();
container.setLayout(new FlowLayout());
container.setBackground(Color.white);//
this.setResizable(false);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void init() {
//
ImageIcon image = new ImageIcon("pic//xuesheng.png");
loginBtn = new JButton(" ");
registBtn = new JButton(" ");
resetbtn = new JButton(" ");
accountLable = new JLabel(" :");
passWordLable = new JLabel(" :");
imageLable = new JLabel(image);
accountTxt = new JTextField(10);
passWordTxt = new JPasswordField(10);
gridJpanel = new JPanel();
btnJPanel = new JPanel();
imageJpanel = new JPanel();
//
imageJpanel.setLayout(new FlowLayout());
imageJpanel.add(imageLable);
gridJpanel.setLayout(new GridLayout(3, 1));
gridJpanel.add(accountLable);
gridJpanel.add(accountTxt);
gridJpanel.add(passWordLable);
gridJpanel.add(passWordTxt);
btnJPanel.add(loginBtn);
btnJPanel.add(registBtn);
btnJPanel.add(resetbtn);
container.add(imageJpanel);
container.add(gridJpanel);
container.add(btnJPanel);
//
registBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ManagerGuiDemo.this.setVisible(false);
new Register().initTeacher();
}
});
//
loginBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String account = accountTxt.getText();
String passWord = passWordTxt.getText();
if (account.equals("") || passWord.equals("")) {
JOptionPane.showMessageDialog(null, " ！");
return;
}
boolean flag = db.selectTeacherLogin(account, passWord);
if (flag) {
setVisible(false);
new StudentTable().init();
} else {
JOptionPane.showMessageDialog(null, " ！");
accountTxt.setText("");
passWordTxt.setText("");
}
}
});
//
resetbtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
accountTxt.setText("");
passWordTxt.setText("");
return;
}
});
this.setVisible(true);
}
public static void main(String[] args) {
new ManagerGuiDemo().init();
}
}로그인 인터페이스:
package com.sc.java.managers;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import com.sc.java.managers.bean.TeacherBean;
import com.sc.java.managers.db.TeacherDB;
public class Register extends JFrame implements ActionListener {
Container container;
JList list;
String array[];
JButton confirmBtn;
JLabel nameLable;
JLabel accountLable;
JLabel passWordLable;
JLabel imageLable;
JTextField nameTxt;
JTextField accountTxt;
JPasswordField passWordTxt;
JPanel btnJPanel;
JPanel imageJpanel;
JPanel gridJpanel;
TeacherDB db = TeacherDB.getInstance();
public Register() {
super(" ");
this.setBounds(500, 300, 300, 400);
container = this.getContentPane();
container.setLayout(new FlowLayout());
this.setResizable(false);
}
public void initTeacher() {
ImageIcon image = new ImageIcon("pic//jiaoshi.png");
confirmBtn = new JButton(" ");
nameLable = new JLabel(" :");
accountLable = new JLabel(" :");
passWordLable = new JLabel(" :");
imageLable = new JLabel(image);
nameTxt = new JTextField(10);
accountTxt = new JTextField(10);
passWordTxt = new JPasswordField(10);
btnJPanel = new JPanel();
gridJpanel = new JPanel();
imageJpanel = new JPanel();
imageJpanel.setLayout(new FlowLayout());
imageJpanel.add(imageLable);
gridJpanel.setLayout(new GridLayout(4, 3));
gridJpanel.add(nameLable);
gridJpanel.add(nameTxt);
gridJpanel.add(accountLable);
gridJpanel.add(accountTxt);
gridJpanel.add(passWordLable);
gridJpanel.add(passWordTxt);
btnJPanel.add(confirmBtn);
container.add(imageJpanel);
container.add(gridJpanel);
container.add(btnJPanel);
confirmBtn.addActionListener(this);
this.setVisible(true);
}
public void actionPerformed(ActionEvent e) {
Object source = e.getSource();
if (source == confirmBtn) {
String name = nameTxt.getText();
String account = accountTxt.getText();
String passWord = passWordTxt.getText();
if (name.equals("") || account.equals("") || passWord.equals("")) {
JOptionPane.showMessageDialog(null, " ！");
return;
}
boolean flag = db.selectTeacherAccount(account);
if (flag) {
JOptionPane.showMessageDialog(null, " ！ ！");
nameTxt.setText("");
accountTxt.setText("");
passWordTxt.setText("");
return;
} else {
TeacherBean teacher = new TeacherBean(name, account, passWord);
db.addTeacher(teacher);
new ManagerGuiDemo().init();
}
}
}
//
public static void main(String[] args) {
new Register().initTeacher();
}
}교사류와 학생류 빈 패키지는 다음과 같다.
교사 Bean:
package com.sc.java.managers.bean;
public class TeacherBean {
private String name;//
private String account;//
private String passWord;//
public TeacherBean() {
}
public TeacherBean(String name, String account, String passWord) {
this.name = name;
this.account = account;
this.passWord = passWord;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAccount() {
return account;
}
public void setAccount(String account) {
this.account = account;
}
public String getPassWord() {
return passWord;
}
public void setPassWord(String passWord) {
this.passWord = passWord;
}
}학생 빈:
package com.sc.java.managers.bean;
public class StudentBean {
private String name;//
private String number;//
private String age;//
private String sex;//
public StudentBean() {
}
public StudentBean(String name, String number, String age, String sex) {
this.name = name;
this.number = number;
this.age = age;
this.sex = sex;
}
public StudentBean(String number) {
this.number = number;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getNumber() {
return number;
}
public void setNumber(String number) {
this.number = number;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
}데이터베이스 연결 분류는 다음과 같습니다.
데이터베이스 연결을 설정하려면:
package com.sc.java.managers.db;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class ConnectionDB {
//
private String driver = "com.mysql.jdbc.Driver";
// URL mydata
private String url = "jdbc:mysql://localhost:3306/stumanager";
// MySQL
private String user = "root";
// MySQL
private String password = "a123";
//
protected ConnectionDB() {
try {
Class.forName(driver);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
//
public Connection getConnection() {
Connection connect = null;
try {
connect = (Connection) DriverManager.getConnection(url, user,
password);
} catch (SQLException e) {
e.printStackTrace();
}
return connect;
}
//
public void freeConnection(Connection con) {
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
연결 교사 테이블:
package com.sc.java.managers.db;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import com.sc.java.managers.bean.TeacherBean;
public class TeacherDB extends ConnectionDB{
// ,
private static TeacherDB USS = null;
private Connection connect = null;
public static TeacherDB getInstance() {
if (USS == null) {
USS = new TeacherDB();
}
return USS;
}
//
public void createDatabase(){
Statement s;
try {
s = (Statement) connect.createStatement();
//
String str0 = "create database stumanagers CHARSET=utf8";
s.execute(str0);
} catch (SQLException e) {
e.printStackTrace();
}
}
//
public void createDataTablesTeacher(){
try {
Statement s= (Statement) connect.createStatement();
//
String setDate = "use stumanagers";
s.execute(setDate);
//
String tch = "CREATE TABLE teacher( "
+ "id int(2) NOT NULL AUTO_INCREMENT, "
+ "name varchar(3) DEFAULT NULL,account varchar(10) DEFAULT NULL,"
+ "password varchar(10) DEFAULT NULL,PRIMARY KEY (id)"
+ ") ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8";
s.execute(tch);
} catch (SQLException e) {
e.printStackTrace();
}
}
//
public void addTeacher(TeacherBean teacher) {
Connection con = null;
PreparedStatement ps = null;
String sql = "insert into teacher(name,account,passWord)values(?,?,?)";
try {
con = getConnection();
ps = con.prepareStatement(sql);
ps.setString(1, teacher.getName());
ps.setString(2, teacher.getAccount());
ps.setString(3, teacher.getPassWord());
ps.executeUpdate();
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (ps != null)
ps.close();
} catch (SQLException sqle) {
}
if (con != null)
freeConnection(con);
}
}
//
public boolean selectTeacherAccount(String account) {
Connection con = null;
PreparedStatement ps = null;
String sql = "select * from teacher where account=?";
boolean fals = false;
try {
con = getConnection();
ps = con.prepareStatement(sql);
ps.setString(1, account);
ResultSet rs = ps.executeQuery();
if (rs.next()) {
fals = true;
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (ps != null)
ps.close();
} catch (SQLException sqle) {
}
if (con != null)
freeConnection(con);
}
return fals;
}
//
public boolean selectTeacherLogin(String account, String passWord) {
Connection con = null;
PreparedStatement ps = null;
String sql = "select * from teacher where (account,passWord)=(?,?)";
boolean fals = false;
try {
con = getConnection();
ps = con.prepareStatement(sql);
ps.setString(1, account);
ps.setString(2, passWord);
ResultSet rs = ps.executeQuery();
if (rs.next()) {
fals = true;
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (ps != null)
ps.close();
} catch (SQLException sqle) {
}
if (con != null)
freeConnection(con);
}
return fals;
}
}
학생표 연결:
package com.sc.java.managers.db;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import com.sc.java.managers.bean.StudentBean;
public class StudentDB extends ConnectionDB {
// ,
private static StudentDB USS = null;
public static StudentDB getInstance() {
if (USS == null) {
USS = new StudentDB();
}
return USS;
}
//
public void addStudent(StudentBean student) {
Connection con = null;
PreparedStatement ps = null;
String sql = "insert into student(name,number,age,sex)values(?,?,?,?)";
try {
con = getConnection();
ps = con.prepareStatement(sql);
ps.setString(1, student.getName());
ps.setString(2, student.getNumber());
ps.setString(3, student.getAge());
ps.setString(4, student.getSex());
ps.executeUpdate();
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (ps != null)
ps.close();
} catch (SQLException sqle) {
}
if (con != null)
freeConnection(con);
}
}
//
public boolean selectStudentByNumber(String number) {
Connection con = null;
PreparedStatement ps = null;
String sql = "select * from student where number=?";
boolean fals = false;
try {
con = getConnection();
ps = con.prepareStatement(sql);
ps.setString(1, number);
ResultSet rs = ps.executeQuery();
if (rs.next()) {
fals = true;
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (ps != null)
ps.close();
} catch (SQLException sqle) {
}
if (con != null)
freeConnection(con);
}
return fals;
}
//
public StudentBean updateStudentBean(StudentBean student, String oldNumber) {
Connection con = null;
PreparedStatement ps = null;
String sql = "update student set name=?,number=?,age=?,sex=? where number=?";
try {
con = getConnection();
ps = con.prepareStatement(sql);
ps.setString(1, student.getName());
ps.setString(2, student.getNumber());
ps.setString(3, student.getAge());
ps.setString(4, student.getSex());
ps.setString(5, oldNumber);
ps.executeUpdate();
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (ps != null)
ps.close();
} catch (SQLException sqle) {
}
if (con != null)
freeConnection(con);
}
return student;
}
//
public void deleteStudentBean(String number) {
Connection con = null;
PreparedStatement ps = null;
String sql = "delete from student where number=?";
try {
con = getConnection();
ps = con.prepareStatement(sql);
ps.setString(1, number);
ps.executeUpdate();
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (ps != null)
ps.close();
} catch (SQLException sqle) {
}
if (con != null)
freeConnection(con);
}
}
//
public ArrayList<StudentBean> selectAllStudent() {
Connection con = null;
PreparedStatement ps = null;
String sql = "select * from student";
ArrayList<StudentBean> mList = new ArrayList<StudentBean>();
try {
con = getConnection();
ps = con.prepareStatement(sql);
ResultSet rs = ps.executeQuery();
while (rs.next()) {
StudentBean student = new StudentBean();
student.setName(rs.getString("name"));
student.setNumber(rs.getString("number"));
student.setAge(rs.getString("age"));
student.setSex(rs.getString("sex"));
mList.add(student);
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (ps != null)
ps.close();
} catch (SQLException sqle) {
}
if (con != null)
freeConnection(con);
}
return mList;
}
//
public StudentBean seleStudentBeans(String number) {
Connection con = null;
PreparedStatement ps = null;
String sql = "select * from student where number =?";
StudentBean student = new StudentBean();
try {
con = getConnection();
ps = con.prepareStatement(sql);
ps.setString(1, number);
ResultSet rs = ps.executeQuery();
while (rs.next()) {
student.setName(rs.getString("name"));
student.setNumber(rs.getString("number"));
student.setAge(rs.getString("age"));
student.setSex(rs.getString("sex"));
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (ps != null)
ps.close();
} catch (SQLException sqle) {
}
if (con != null)
freeConnection(con);
}
return student;
}
}
데이터 작업 섹션 Imp:
교사imp:
package com.sc.java.managers.imp;
import com.sc.java.managers.bean.TeacherBean;
import com.sc.java.managers.db.TeacherDB;
import com.sc.java.managers.table.StudentTable;
public class TeacherImp {
private TeacherDB db = TeacherDB.getInstance();
private String account;
String passWord = null;
boolean isTeacher = db.selectTeacherAccount(account);
//
public void registerTeacher() {
if (!isTeacher) {
String name = null;
TeacherBean teacher = new TeacherBean(name, account, passWord);
db.addTeacher(teacher);
}
}
//
public void loginTeacher() {
boolean isTeacher = db.selectTeacherLogin(account, passWord);
if (isTeacher) {
StudentTable stu = new StudentTable();
stu.init();
} else {
loginTeacher();
}
}
}
학생imp:
package com.sc.java.managers.imp;
import java.util.ArrayList;
import com.sc.java.managers.bean.StudentBean;
import com.sc.java.managers.db.StudentDB;
public class StudentImp {
public ArrayList<StudentImp> mStudentList = new ArrayList<StudentImp>();//
String number = null;
String name = null;
String age = null;
String sex = null;
private StudentDB db = StudentDB.getInstance();
StudentBean student = new StudentBean(name, number, age, sex);
boolean isStudent = db.selectStudentByNumber(number);
//
public void addStudent(StudentBean student) {
if (!isStudent) {
db.addStudent(student);
} else {
System.out.println(" ， ！");
}
}
//
public void deleteStudent(String number) {
boolean isStudent = db.selectStudentByNumber(number);
if (!isStudent) {
System.out.println(" :" + number + " !");
} else {
db.deleteStudentBean(number);
}
}
//
public boolean findStudentByNumber(String number) {
boolean isStudent = db.selectStudentByNumber(number);
if (!isStudent) {
System.out.println(" " + number + " !");
} else {
db.seleStudentBeans(number);
}
return isStudent;
}
//
public void updateStudent(StudentBean student) {
boolean isStudent = db.selectStudentByNumber(number);
if (!isStudent) {
System.out.println(" " + number + " !");
} else {
db.updateStudentBean(student, number);
}
}
//
public void showAllStudent() {
System.out.println(" " + " \t" + " " + "\t" + " " + "\t" + " ");
ArrayList<StudentBean> list = db.selectAllStudent();
for (StudentBean students : list) {
System.out.println(students.getName() + "\t" + students.getNumber()
+ "\t" + students.getAge() + "\t" + students.getSex());
}
}
//
public ArrayList<StudentBean> showAllStudents() {
ArrayList<StudentBean> list = db.selectAllStudent();
return list;
}
//
public void exit() {
System.out.println("==== ====");
System.out.println("=== ===");
System.exit(0);
}
}
교사가 로그인한 후 조작 인터페이스 창은 다음과 같다.
package com.sc.java.managers.table;
import java.util.Vector;
import javax.swing.table.AbstractTableModel;
public class ConnectStudent extends AbstractTableModel {
private static final long serialVersionUID = -7495940408592595397L;
private Vector content = null;
private String[] titleCols = { "ID", " ", " ", " " };
public ConnectStudent() {
content = new Vector();
}
public ConnectStudent(int count) {
content = new Vector(count);
}
public void addRow(String name, String sex, int age) {
Vector vc = new Vector(4);
vc.add(0, new Integer(content.size()));
vc.add(1, name);
vc.add(2, sex);
vc.add(3, age);
content.add(vc);
}
public void removeRow(int row) {
content.remove(row);
}
public void removeRows(int row, int count) {
for (int i = 0; i < count; i++) {
if (content.size() > row) {
content.remove(row);
}
}
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
if (columnIndex == 0) {
return false;
}
return true;
}
public String getColumnName(int col) {
return titleCols[col];
}
public int getColumnCount() {
return titleCols.length;
}
public int getRowCount() {
return content.size();
}
public Object getValueAt(int row, int col) {
return ((Vector) content.get(row)).get(col);
}
/**
*
*/
public void setValueAt(Object value, int row, int col) {
((Vector) content.get(row)).remove(col);
((Vector) content.get(row)).add(col, value);
this.fireTableCellUpdated(row, col);
}
/**
*
*/
public Class getColumnClass(int col) {
return getValueAt(0, col).getClass();
}
}
package com.sc.java.managers.table;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import com.sc.java.managers.bean.StudentBean;
import com.sc.java.managers.imp.StudentImp;
public class StudentTable extends JFrame {
private StudentImp stu = new StudentImp();
Container container;
ConnectStudent model;
JTable table;
JLabel stuName, stuNumber, stuAge, stuSex;
JScrollPane tableJSPane;
JTextField stuNameTxt, stuNumberTxt, stuAgeTxt, stuSexTxt;
JButton addBtn, deleteBtn, updateBtn, slectBtn, allBtn, confirmBtn;
JPanel showPanel, jp1, jp2, jp3, jp4, jp5;
public StudentTable() {
super(" ");
this.setLocation(450, 100);
this.setSize(600, 400);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void init() {
addBtn = new JButton(" ");
deleteBtn = new JButton(" ");
updateBtn = new JButton(" ");
slectBtn = new JButton(" ");
allBtn = new JButton(" ");
showPanel = new JPanel();
model = new ConnectStudent(20);
table = new JTable(model);
tableJSPane = new JScrollPane(table);
showPanel.add(addBtn);
showPanel.add(deleteBtn);
showPanel.add(updateBtn);
showPanel.add(slectBtn);
showPanel.add(allBtn);
table.setBackground(Color.white);
this.add(tableJSPane, BorderLayout.CENTER);
this.add(showPanel, BorderLayout.NORTH);
//
addBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
addStudent();
table.updateUI();
}
});
//
deleteBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
deleteStudent();
table.updateUI();
}
});
//
updateBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
updateStudent();
table.updateUI();
}
});
//
slectBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
selectStuddent();
table.updateUI();
}
});
//
allBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
showAllStudent();
table.updateUI();
}
});
this.setVisible(true);
}
//
public void addStudent() {
JFrame addStu = new JFrame(" ");
addStu.setBounds(400, 200, 300, 200);
container = addStu.getContentPane();
container.setLayout(new GridLayout(5, 1));
addBtn = new JButton(" ");
stuNumber = new JLabel(" :");
stuName = new JLabel(" :");
stuAge = new JLabel(" :");
stuSex = new JLabel(" :");
stuNumberTxt = new JTextField(10);
stuNameTxt = new JTextField(10);
stuAgeTxt = new JTextField(10);
stuSexTxt = new JTextField(10);
jp1 = new JPanel();
jp2 = new JPanel();
jp3 = new JPanel();
jp4 = new JPanel();
jp5 = new JPanel();
jp1.add(stuName);
jp1.add(stuNameTxt);
jp2.add(stuNumber);
jp2.add(stuNumberTxt);
jp3.add(stuAge);
jp3.add(stuAgeTxt);
jp4.add(stuSex);
jp4.add(stuSexTxt);
jp5.add(addBtn);
container.add(jp1);
container.add(jp2);
container.add(jp3);
container.add(jp4);
container.add(jp5);
addStu.setVisible(true);
addBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String name = stuNameTxt.getText();
String number = stuNumberTxt.getText();
String age = stuAgeTxt.getText();
String sex = stuSexTxt.getText();
if (number.equals("") || name.equals("") || age.equals("")
|| sex.equals("")) {
JOptionPane.showMessageDialog(null, " ！");
return;
}
boolean flag = stu.findStudentByNumber(number);
if (!flag) {
StudentBean student = new StudentBean(name, number, age,
sex);
stu.addStudent(student);
JOptionPane.showMessageDialog(null, " ！");
StudentTable.this.setVisible(true);
} else {
JOptionPane.showMessageDialog(null, " ！");
}
}
});
}
//
public void deleteStudent() {
JFrame deleteStu = new JFrame(" ");
deleteStu.setBounds(400, 200, 300, 200);
container = deleteStu.getContentPane();
container.setLayout(new GridLayout(3, 1));
confirmBtn = new JButton(" ");
stuNumber = new JLabel(" :");
stuNumberTxt = new JTextField(10);
jp1 = new JPanel();
jp2 = new JPanel();
jp1.add(stuNumber);
jp1.add(stuNumberTxt);
jp2.add(confirmBtn);
container.add(jp1);
container.add(jp2);
deleteStu.setVisible(true);
confirmBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String number = stuNumberTxt.getText();
if (number.equals("")) {
JOptionPane.showMessageDialog(null, " ！");
return;
}
boolean flag = stu.findStudentByNumber(number);
if (!flag) {
JOptionPane.showMessageDialog(null, " ！");
} else {
stu.deleteStudent(number);
JOptionPane.showMessageDialog(null, " ！");
StudentTable.this.setVisible(true);
}
}
});
}
//
public void selectStuddent() {
JFrame selectStu = new JFrame(" ");
selectStu.setBounds(400, 200, 300, 200);
container = selectStu.getContentPane();
container.setLayout(new GridLayout(3, 1));
confirmBtn = new JButton(" ");
stuNumber = new JLabel(" :");
stuNumberTxt = new JTextField(10);
jp1 = new JPanel();
jp2 = new JPanel();
jp1.add(stuNumber);
jp1.add(stuNumberTxt);
jp2.add(confirmBtn);
container.add(jp1);
container.add(jp2);
selectStu.setVisible(true);
confirmBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String number = stuNumberTxt.getText();
if (number.equals("")) {
JOptionPane.showMessageDialog(null, " ！");
return;
}
boolean flag = stu.findStudentByNumber(number);
if (!flag) {
JOptionPane.showMessageDialog(null, " ！");
} else {
stu.findStudentByNumber(number);
JOptionPane.showMessageDialog(null, " ！");
StudentTable.this.setVisible(true);
}
}
});
}
//
public void showAllStudent() {
JFrame showAllStu = new JFrame(" ");
showAllStu.setBounds(400, 200, 300, 200);
container = showAllStu.getContentPane();
container.setLayout(new GridLayout(3, 1));
confirmBtn = new JButton(" ");
jp1 = new JPanel();
jp1.add(confirmBtn);
container.add(jp1);
showAllStu.setVisible(true);
confirmBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// table
ArrayList<StudentBean> lists = stu.showAllStudents();
System.out.println("list >>> :" + lists.size());
for (StudentBean student : lists) {
System.out.println("Name >>> " + student.getName());
model.addRow(student.getName(), student.getSex(), Integer
.valueOf(student.getAge()));
}
table.updateUI();
// stu.showAllStudent();
}
});
}
//
public void updateStudent() {
JFrame updateStu = new JFrame(" ");
updateStu.setBounds(400, 200, 300, 200);
container = updateStu.getContentPane();
container.setLayout(new GridLayout(3, 1));
confirmBtn = new JButton(" ");
jp1 = new JPanel();
jp1.add(confirmBtn);
container.add(jp1);
updateStu.setVisible(true);
confirmBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFrame studentMassge = new JFrame(" ");
studentMassge.setBounds(400, 200, 300, 200);
container = studentMassge.getContentPane();
container.setLayout(new GridLayout(5, 1));
confirmBtn = new JButton(" ");
stuNumber = new JLabel(" :");
stuName = new JLabel(" :");
stuAge = new JLabel(" :");
stuSex = new JLabel(" :");
stuNumberTxt = new JTextField(10);
stuNameTxt = new JTextField(10);
stuAgeTxt = new JTextField(10);
stuSexTxt = new JTextField(10);
jp1 = new JPanel();
jp2 = new JPanel();
jp3 = new JPanel();
jp4 = new JPanel();
jp5 = new JPanel();
jp1.add(stuName);
jp1.add(stuNameTxt);
jp2.add(stuNumber);
jp2.add(stuNumberTxt);
jp3.add(stuAge);
jp3.add(stuAgeTxt);
jp4.add(stuSex);
jp4.add(stuSexTxt);
jp5.add(confirmBtn);
container.add(jp1);
container.add(jp2);
container.add(jp3);
container.add(jp4);
container.add(jp5);
//
confirmBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String name = stuNameTxt.getText();
String number = stuNumberTxt.getText();
String age = stuAgeTxt.getText();
String sex = stuSexTxt.getText();
if (number.equals("") || name.equals("")
|| age.equals("") || sex.equals("")) {
JOptionPane.showMessageDialog(null, " ！");
return;
}
boolean flag = stu.findStudentByNumber(number);
if (!flag) {
StudentBean student = new StudentBean(name, number,
age, sex);
stu.addStudent(student);
JOptionPane.showMessageDialog(null, " ！");
StudentTable.this.setVisible(true);
} else {
JOptionPane.showMessageDialog(null, " ！");
}
}
});
}
});
}
//
public static void main(String args[]) {
StudentTable s = new StudentTable();
s.init();
// s.addStudent();
// s.deleteStudent();
// s.selectStuddent();
// s.updateStudent();
}
}
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