first commit

.metadata/.plugins/com.genuitec.eclipse.desktop/dialog_settings.xml

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<section name="Workbench">
+</section>

.metadata/.plugins/com.genuitec.eclipse.sqlexplorer/ConnectionProfiles.xml

@@ -0,0 +1,18 @@
+<Beans>
+    <Bean Class="com.genuitec.eclipse.sqlexplorer.utils.ConnectionProfile">
+        <activate>false</activate>
+        <driverIdentifier Class="net.sourceforge.squirrel_sql.fw.id.UidIdentifier">
+            <string>151978a:15dc61dd57b:-7fde</string>
+        </driverIdentifier>
+        <identifier Class="net.sourceforge.squirrel_sql.fw.id.UidIdentifier">
+            <string>151978a:15dc61dd57b:-7fdd</string>
+        </identifier>
+        <name>MyEclipse Derby</name>
+        <password encryption="true">gFOjO/OmrJ8m4/rtM2cMIw==</password>
+        <promptForPassword>false</promptForPassword>
+        <schema Indexed="true"/>
+        <schemaDisplayPolicy>0</schemaDisplayPolicy>
+        <url>jdbc:derby://localhost:1527/myeclipse</url>
+        <userName>classiccars</userName>
+    </Bean>
+</Beans>

.metadata/.plugins/org.eclipse.ant.ui/dialog_settings.xml

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<section name="Workbench">
+</section>

.metadata/.plugins/org.eclipse.core.resources/.history/10/a03d4e9c8497001718f7e05878b57310

@@ -0,0 +1,177 @@
+package com.etc._06DeleteDemo;
+
+import java.awt.EventQueue;
+import java.util.List;
+
+import javax.swing.JFrame;
+import javax.swing.JOptionPane;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+import javax.swing.table.DefaultTableModel;
+
+import com.etc._03Login.dao.UserDao;
+import com.etc._03Login.entity.User;
+import javax.swing.JPopupMenu;
+import java.awt.Component;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import javax.swing.JMenu;
+import javax.swing.JMenuItem;
+import java.awt.event.ActionListener;
+import java.awt.event.ActionEvent;
+
+public class DeleteDemo {
+
+	private JFrame frame;
+	private JTable table;
+
+	/**
+	 * Launch the application.
+	 */
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					DeleteDemo window = new DeleteDemo();
+					window.frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+
+	/**
+	 * Create the application.
+	 */
+	public DeleteDemo() {
+		initialize();
+	}
+
+	/**
+	 * Initialize the contents of the frame.
+	 */
+	private void initialize() {
+		frame = new JFrame();
+		frame.setBounds(100, 100, 450, 300);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		frame.getContentPane().setLayout(null);
+
+		JScrollPane scrollPane = new JScrollPane();
+		scrollPane.setBounds(70, 54, 297, 145);
+		frame.getContentPane().add(scrollPane);
+
+		table = new JTable();
+		//����UserDao ���ݿ�
+				UserDao	dao = new UserDao();
+				Object[][] data = null;//����data����
+				try {
+					 List<User> list = dao.queryAllUser();
+					 data = new Object[list.size()][4];
+					 for(int i = 0;i<list.size();i++){
+						 User user = list.get(i);
+						 data[i][0] = user.getId();
+						 data[i][1] = user.getUsername();
+						 data[i][2] = user.getSex();
+						 data[i][3] = user.getHobby();
+					 }
+
+				} catch (Exception e) {
+					// TODO Auto-generated catch block
+					e.printStackTrace();
+				}
+		table.setModel(new DefaultTableModel(
+			data,
+			new String[] {
+				"���", "����", "�Ա�", "����"
+			}
+		));
+		scrollPane.setViewportView(table);
+
+		JPopupMenu popupMenu = new JPopupMenu();
+		addPopup(table, popupMenu);
+
+		JMenuItem menuItem_1 = new JMenuItem("ɾ��");
+		menuItem_1.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				// --------------ɾ�����¼�
+				System.out.println("ɾ��");
+				int n = JOptionPane.showConfirmDialog(null, "�Ƿ�ɾ��", "��ʾ",
+						JOptionPane.YES_NO_OPTION);
+				System.out.println("n = " + n);
+
+				if (n == 0) {// ȷ��ɾ��
+				// getValueAt(int row, int column)
+				// ���� row �� column λ�õĵ�Ԫ��ֵ��
+
+					Object obj = table.getValueAt(table.getSelectedRow(), 0);
+					System.out.println(obj);
+
+					// ����UserDao ���ݿ�
+					UserDao dao = new UserDao();
+					try {
+						boolean flag = dao.deleteUser((Long) obj);
+						if (flag) {
+							JOptionPane.showMessageDialog(null, "ɾ���ɹ�");
+
+							//---------���ݿ�   tableˢ�����ݿ�ʼ--------------
+							// ����UserDao ���ݿ�
+							Object[][] data = null;// ����data����
+							try {
+								List<User> list = dao.queryAllUser();
+								data = new Object[list.size()][4];
+								for (int i = 0; i < list.size(); i++) {
+									User user = list.get(i);
+									data[i][0] = user.getId();
+									data[i][1] = user.getUsername();
+									data[i][2] = user.getSex();
+									data[i][3] = user.getHobby();
+								}
+
+							} catch (Exception e2) {
+								// TODO Auto-generated catch block
+								e2.printStackTrace();
+							}
+							table.setModel(new DefaultTableModel(data,
+						new String[] { "���", "����", "�Ա�", "����" }));
+
+							//---------���ݿ�   tableˢ�����ݽ���--------------
+						} else {
+							JOptionPane.showMessageDialog(null, "ɾ��ʧ��");
+						}
+					} catch (Exception e1) {
+						// TODO Auto-generated catch block
+						e1.printStackTrace();
+					}
+
+				}
+
+			}
+
+		});
+		popupMenu.add(menuItem_1);
+
+		JMenu menu = new JMenu("����");
+		popupMenu.add(menu);
+
+		JMenuItem menuItem = new JMenuItem("�����Ӳ˵�");
+		menu.add(menuItem);
+	}
+	private static void addPopup(Component component, final JPopupMenu popup) {
+		component.addMouseListener(new MouseAdapter() {
+			public void mousePressed(MouseEvent e) {
+				if (e.isPopupTrigger()) {
+					showMenu(e);
+				}
+			}
+			public void mouseReleased(MouseEvent e) {
+				if (e.isPopupTrigger()) {
+					showMenu(e);
+				}
+			}
+			private void showMenu(MouseEvent e) {
+				popup.show(e.getComponent(), e.getX(), e.getY());
+			}
+		});
+	}
+}

.metadata/.plugins/org.eclipse.core.resources/.history/15/d037c0a511830017192a847471e8848c

@@ -0,0 +1,7 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.6

.metadata/.plugins/org.eclipse.core.resources/.history/16/a09c1bf3969300171416f4318a5811a0

@@ -0,0 +1,26 @@
+package com.etc._02LoginStrDemo;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+/**
+ * �����
+ * @author Administrator
+ *
+ */
+public class LoginServer {
+	public static void main(String[] args) throws IOException {
+		System.out.println("�����׼������.....");
+//		1.	������������Socket��ָ���˿ڲ���ʼ����
+		ServerSocket server = new ServerSocket(8888);
+//		2.	ʹ��accept()���������ȴ�����������µ�����
+		Socket client = server.accept();
+		System.out.println("���ӹ����Ŀͻ���:"+client.getInetAddress());
+//		3.	��������������
+//		4.	�����е�Э���ϲ����Ự
+//		5.	ʹ��close()�ر�����Socket
+
+	}
+
+}

.metadata/.plugins/org.eclipse.core.resources/.history/19/e09d1af311830017192a847471e8848c

@@ -0,0 +1,5 @@
+package com.etc._12singleInstance;
+
+public class Apple {
+
+}

.metadata/.plugins/org.eclipse.core.resources/.history/1c/d02b4566779300171416f4318a5811a0

@@ -0,0 +1,34 @@
+package com.etc._01InetAddressDemo;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ * IP����
+ * @author Administrator
+ *
+ */
+public class InetAddressDemo {
+	public static void main(String[] args) throws IOException {
+		InetAddress ip =  InetAddress.getByName("MNBAUV1MW3IICTF");
+//		InetAddress ip =  InetAddress.getByName("www.baidu.com");
+		System.out.println(ip);
+
+		//��ȡ��������
+		System.out.println(ip.getHostName());
+
+		//��ȡIP��ַ
+		System.out.println(ip.getHostAddress());
+
+
+		//boolean isReachable(int timeout)  �����Ƿ���Դﵽ�õ�ַ�� 
+		System.out.println(ip.isReachable(5000));
+
+		System.out.println(InetAddress.getLocalHost());
+
+
+
+	}
+
+}

.metadata/.plugins/org.eclipse.core.resources/.history/1f/007708a1769300171416f4318a5811a0

@@ -0,0 +1,47 @@
+package com.etc._09Task;
+
+class MyThread extends Thread{
+	private long time;
+	MyThread(long time){
+		this.time = time;
+	}
+
+	@Override
+	public void run() {
+		// TODO Auto-generated method stub
+		System.out.println(Thread.currentThread().getName()+" begin...");
+		try {
+			Thread.sleep(this.time);
+		} catch (InterruptedException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		System.out.println(Thread.currentThread().getName()+" end...");
+	}
+}
+
+public class Task {
+	//2��	�����⣺���̣߳������̶߳���ÿ��һ��ʱ����ִ���̶߳���1��5�룩��
+//	�̶߳���2��7�룩���̶߳���3��9�룩
+	public static void main(String[] args) {
+		MyThread my1 = new MyThread(5000);
+		MyThread my2 = new MyThread(7000);
+		MyThread my3 = new MyThread(9000);
+		my1.start();
+		try {
+			my1.join();
+		} catch (InterruptedException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		my2.start();
+		try {
+			my2.join();//ֻ��my2��ִ��  �����߳�Ҫ��
+		} catch (InterruptedException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		my3.start();
+	}
+
+}

.metadata/.plugins/org.eclipse.core.resources/.history/20/303646119f9600171a5fe7fe6dd2b700

@@ -0,0 +1,35 @@
+package com.etc._03Login.dao;
+
+
+import java.sql.SQLException;
+import java.util.ArrayList;
+
+import com.etc._03Login.entity.User;
+import com.etc._03Login.utils.JDBCUtils;
+
+
+
+public class UserDao {
+	//创建一个JDBC工具对象
+	private JDBCUtils jdbc = new JDBCUtils();
+	public UserDao(){
+		jdbc.getConnection();
+	}
+
+	//插入数据
+	public boolean addUser(User user) throws Exception{
+
+		String sql = "INSERT INTO t_User (id,username,password,sex,birthday,hobby)" +
+				" VALUES(null,?,?,?,?,?)";
+		ArrayList<Object> params = new ArrayList<Object>();
+		params.add(user.getUsername());
+		params.add(user.getPassword());
+		params.add(user.getSex());
+		params.add(user.getBirthday());
+		params.add(user.getHobby());
+		boolean flag = jdbc.updateByPreparedStatement(sql, params);
+		jdbc.releaseConn();
+		return flag;
+	}
+
+}