Merge branch 'master' of https://github.com/zukahai/Java-code

21DA/Add.java

@@ -0,0 +1,110 @@
+package Test;
+
+import java.awt.BorderLayout;
+import java.awt.EventQueue;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.border.EmptyBorder;
+
+import com.mysql.cj.xdevapi.PreparableStatement;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+
+import javax.swing.JTextField;
+import javax.swing.JLabel;
+import javax.swing.JButton;
+import java.awt.event.ActionListener;
+import java.awt.event.ActionEvent;
+
+public class AddStudent extends JFrame {
+
+	Connect c = new Connect();
+	Connection conn = c.newConnection();
+
+	private JPanel contentPane;
+	private JTextField masv;
+	private JTextField name;
+	private JTextField age;
+
+	/**
+	 * Launch the application.
+	 */
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					AddStudent frame = new AddStudent();
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+
+	/**
+	 * Create the frame.
+	 */
+	public AddStudent() {
+//		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		setVisible(true);
+		setBounds(100, 100, 450, 300);
+		contentPane = new JPanel();
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		setContentPane(contentPane);
+		contentPane.setLayout(null);
+
+		masv = new JTextField();
+		masv.setBounds(129, 35, 282, 34);
+		contentPane.add(masv);
+		masv.setColumns(10);
+
+		JLabel lblNewLabel = new JLabel("MaSV");
+		lblNewLabel.setBounds(39, 45, 80, 14);
+		contentPane.add(lblNewLabel);
+
+		JLabel lblName = new JLabel("Name");
+		lblName.setBounds(39, 100, 80, 14);
+		contentPane.add(lblName);
+
+		name = new JTextField();
+		name.setColumns(10);
+		name.setBounds(129, 90, 282, 34);
+		contentPane.add(name);
+
+		JLabel lblAge = new JLabel("Age");
+		lblAge.setBounds(39, 156, 80, 14);
+		contentPane.add(lblAge);
+
+		age = new JTextField();
+		age.setColumns(10);
+		age.setBounds(129, 146, 282, 34);
+		contentPane.add(age);
+
+		JButton add = new JButton("Add Student");
+		add.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				try {
+					String sql = "INSERT INTO student  VALUES (?, ?, ?)";
+					PreparedStatement stm = conn.prepareStatement(sql);
+					stm.setString(1, masv.getText());
+					stm.setString(2, name.getText());
+					stm.setInt(3, Integer.parseInt(age.getText()));
+					stm.execute();
+					System.out.println("Da them");
+
+//					String sql = "DELETE FROM student";
+//					PreparedStatement stm = conn.prepareStatement(sql);
+//					stm.execute();
+				} catch (SQLException e1) {
+					// TODO Auto-generated catch block
+					e1.printStackTrace();
+				}
+			}
+		});
+		add.setBounds(129, 207, 189, 23);
+		contentPane.add(add);
+	}
+}

21DA/Showtable.java

@@ -0,0 +1,91 @@
+package UI;
+
+import java.awt.BorderLayout;
+import java.awt.EventQueue;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.border.EmptyBorder;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Vector;
+
+import connectsql.Connect;
+
+import javax.swing.JButton;
+import java.awt.event.ActionListener;
+import java.awt.event.ActionEvent;
+import javax.swing.JTable;
+import javax.swing.JScrollPane;
+import javax.swing.table.DefaultTableModel;
+
+public class ShowTable extends JFrame {
+
+	private JPanel contentPane;
+	private JTable table;
+	private Vector vT, vD;
+
+	/**
+	 * Launch the application.
+	 */
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					ShowTable frame = new ShowTable();
+					frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+
+	/**
+	 * Create the frame.
+	 */
+	public ShowTable() {
+		Connect cn = new Connect();
+		Connection conn = cn.getConnection();
+
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		setBounds(100, 100, 780, 511);
+		contentPane = new JPanel();
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		setContentPane(contentPane);
+		contentPane.setLayout(null);
+
+		JScrollPane scrollPane = new JScrollPane();
+		scrollPane.setBounds(41, 24, 687, 346);
+		contentPane.add(scrollPane);
+
+		table = new JTable();
+		vD = new Vector();
+        String sql = "SELECT * FROM table21da";
+	   PreparedStatement stm;
+		try {
+			stm = conn.prepareStatement(sql);
+			ResultSet rs = stm.executeQuery();
+		    while(rs.next()) {
+//			   System.out.println(rs.getInt(1) + "\t" + rs.getString(2));
+		    	Vector t = new Vector();
+		    	t.add(rs.getInt(1));
+		    	t.add(rs.getString(2));
+		    	vD.add(t);
+		    }
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+
+		vT = new Vector();
+		vT.add("ID");
+		vT.add("Name");
+		table.setModel(new DefaultTableModel(vD, vT));
+		scrollPane.setViewportView(table);
+	}
+}

ClassConnect.java

@@ -0,0 +1,65 @@
+package connectsql;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+
+
+public class Connect {
+
+	public Connection getConnection() {
+		Connection conn = null;
+		try{ 
+			   String userName = "root";
+			   String password = "";
+			   String DatabaseName = "test";
+			   String url = "jdbc:mysql://localhost/" + DatabaseName;
+			   Class.forName ("com.mysql.jdbc.Driver");
+			   conn = DriverManager.getConnection(url, userName, password);
+			   System.out.println("Ok");
+		} catch (Exception e) {
+			// TODO: handle exception
+			e.printStackTrace();
+		}
+		return conn;
+	}
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Connection conn = null;
+		try{ 
+			//cmt
+			   String userName = "root";
+			   String password = "";
+			   String DatabaseName = "test";
+			   String url = "jdbc:mysql://localhost/" + DatabaseName;
+			   Class.forName ("com.mysql.jdbc.Driver");
+			   conn = DriverManager.getConnection(url, userName, password);
+			   System.out.println("Ok");
+
+
+//	           String sql = "SELECT * FROM table21da";
+//			   PreparedStatement stm = conn.prepareStatement(sql);
+//			   ResultSet rs = stm.executeQuery();
+//			   while(rs.next()) {
+//				   System.out.println(rs.getInt(1) + "\t" + rs.getString(2));
+//			   }
+//			   
+//			   
+//			   
+//			   sql = "INSERT INTO table21da(ID, Name) VALUES (913, 'SJDFJDSJFSDJ')";
+//			   stm = conn.prepareStatement(sql);
+//			   stm.execute();
+//			   
+//			   sql = "INSERT INTO table21da(ID, Name) VALUES (897, 'alophuday')";
+//			   stm = conn.prepareStatement(sql);
+//			   stm.execute();
+
+		} catch (Exception e) {
+			// TODO: handle exception
+			e.printStackTrace();
+		}
+	}
+
+}

Connect.java

@@ -5,8 +5,6 @@
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 
-import com.mysql.cj.xdevapi.Statement;
-
 public class Connect {
 
 	public static void main(String[] args) {
@@ -15,10 +13,21 @@ public static void main(String[] args) {
 		try{
 			   String userName = "root";
 			   String password = "";
-			   String url = "jdbc:mysql://localhost/studentmanagement";
+			   String url = "jdbc:mysql://localhost/test";
 			   Class.forName ("com.mysql.cj.jdbc.Driver");
 			   conn = DriverManager.getConnection(url, userName, password);
 			   System.out.println("Ok");
+
+			String sql = "SELECT * FROM table21da";
+			   PreparedStatement stm = conn.prepareStatement(sql);
+			   ResultSet rs = stm.executeQuery();
+			   while(rs.next()) {
+				   System.out.println(rs.getInt(1) + "\t" + rs.getString(2));
+			   }
+
+			sql = "INSERT INTO table21da(ID, Name) VALUES (913, 'SJDFJDSJFSDJ')";
+			   stm = conn.prepareStatement(sql);
+			   stm.execute();
 		} catch(Exception e){
 			   System.out.println(e.getMessage());
 		}