b09e6f69e3dc0019176ddc52c573fd24

java编写的sip协议软电话,结构非常清晰的SIP协议栈

package JavaPhoneTeam10;

import java.awt.*;
//import java.awt.event.*;
import java.net.InetAddress;
//import java.net.UnknownHostException;
//import java.sql.*;

import javax.swing.*;

public class Login {
	ConnDB myconn;

	JFrame frame;

	Font font = new Font("楷体", Font.PLAIN, 13);

	TextField text1;
	TextField text2;

	String uid;

	public Login() {
		myconn = new ConnDB();		//first of all, create an object of ConnDB 
	}

	//main method
	public static void main(String[] args) {
		new Login().init();
	}

	public void init() {

		//top panel
		Panel top = new Panel();

		//add image to top panel
		ImageCanvas toplogo = new ImageCanvas("img\\top.jpg", 350, 65);
		top.add(toplogo);

		//middle panel
		Panel middle = new Panel();
		middle.setLocation(1, 1);
		middle.setSize(350, 120);

		//prepare JTextFeld
		text1 = new TextField();
//		text2 = new JTextField();
		text2 = new TextField();
		
		text1.setLocation(10, 10);
		text1.setFont(font);
		text1.setSize(180, 40);
		text1.setBackground(new Color(243, 234, 245));
		text1.setFont(new Font("楷体", Font.PLAIN, 25));

//		text2.setLocation(10, 65);
//		text2.setFont(font);
//		text2.setSize(180, 40);
//		text2.setHorizontalAlignment(JTextField.LEFT);
//		text2.setBackground(new Color(243, 234, 245));
//		text2.setFont(new Font("楷体", Font.PLAIN, 25));
		text2.setLocation(10, 65);
		text2.setFont(font);
		text2.setSize(180, 40);
		text2.setBackground(new Color(243, 234, 245));
		text2.setFont(new Font("楷体", Font.PLAIN, 25));
		text2.setEchoChar('*');
		//text panel
		Panel text = new Panel();
		text.setSize(200, 120);
		text.setLocation(100, 1);
		text.setLayout(null);
		text.add(text1);
		text.add(text2);

		//prepare button
		JTextField bt1 = new JTextField("用户名");
		JTextField bt2 = new JTextField("密  码");

		bt1.setEditable(false);
		bt1.setSize(50, 30);
		bt1.setLocation(10, 13);
		bt1.setFont(font);
		bt1.setBackground(new Color(200, 200, 200));

		bt2.setEditable(false);
		bt2.setSize(50, 30);
		bt2.setLocation(10, 69);
		bt2.setFont(font);
		bt2.setBackground(new Color(200, 200, 200));

		//button panel
		Panel bt = new Panel();
		bt.setLocation(5, 10);
		bt.setSize(100, 120);
		bt.setLayout(null);
		bt.add(bt1);
		bt.add(bt2);

		//add button and textfield to panel
		middle.add(text);
		middle.add(bt);

		//bottom panel

		Panel bottom = new Panel();
		bottom.setLocation(1, 140);
		bottom.setSize(350, 70);
		bottom.setLayout(new GridLayout(2, 3, 5, 5));

		//prepare order buttuons
		JButton[] orderbt = new JButton[6];
		orderbt[0] = new JButton("记住密码");
		orderbt[1] = new JButton("登录");
		orderbt[2] = new JButton("注册");
		orderbt[3] = new JButton("取消");
		orderbt[4] = new JButton("网络测试");
		orderbt[5] = new JButton("忘记密码");

		//set bottom and add buttons to panel

		for (int i = 0; i < 6; i++) {
			orderbt[i].setFont(font);
			orderbt[i].setSize(30, 35);
			bottom.add(orderbt[i]);
		}

		orderbt[1].addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(java.awt.event.ActionEvent evt) {
				processNumberDial(evt);
			}
		});

		orderbt[2].addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(java.awt.event.ActionEvent evt) {
/*				try {
					myconn.executeQuery("select * from phone where id='"
							+ text1.getText() + "'");
					if (!myconn.db_rset.next()) {
						try {
							myconn
									.executeUpdate("insert into phone(id,pwd,address) values('"
											+ text1.getText()
											+ "','"
											+ text2.getText()
											+ "','"
											+ InetAddress.getLocalHost()
													.getHostAddress()
													.toString() + "')");
							JOptionPane.showConfirmDialog(null, "注册成功！",
									"Info", JOptionPane.CLOSED_OPTION,
									JOptionPane.INFORMATION_MESSAGE);

						} catch (Exception e) {
							e.printStackTrace();

						}
					} else {
						JOptionPane.showConfirmDialog(null, "帐号已存在，请新建一个！",
								"Info", JOptionPane.CLOSED_OPTION,
								JOptionPane.INFORMATION_MESSAGE);
					}
				} catch (Exception e) {
					e.printStackTrace();
				}*/
				
				new FirstLogin().init();
				frame.dispose();
			}
			

		});

		orderbt[3].addActionListener(
				new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent evt) {

					frame.dispose();				
				}
			});
		//main
		Panel main = new Panel();
		main.setLayout(null);
		main.add(middle);
		main.add(bottom);

		// frame
		frame = new JFrame("Login     copyright@JavaTeam10");
		frame.setSize(350, 320);
		frame.setResizable(false);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		frame.getContentPane().add(top, "North");
		frame.getContentPane().add(main);

		frame.setVisible(true);

	}

	private void processNumberDial(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_processNumberDial
		uid = text1.getText();
		try {
			myconn.executeQuery("select * from phone where id='"
					+ text1.getText() + "' and pwd='" + text2.getText() + "'");
			if (!myconn.db_rset.next()) {
				
				text1.setText("");
				text2.setText("");
				JOptionPane.showConfirmDialog(null, "incorrect user id!",
						"Info", JOptionPane.CLOSED_OPTION,
						JOptionPane.INFORMATION_MESSAGE);
			} else {
				myconn.executeUpdate("update phone set address='"
						+ InetAddress.getLocalHost().getHostAddress()
								.toString() + "',flag=1 where id='" + uid + "'");
                // 如果登录成功，便跳转到JavaPhone，同时关闭Login界面
				frame.dispose();	
				JOptionPane.showConfirmDialog(null, "登录成功!", "Info",
						JOptionPane.CLOSED_OPTION,
						JOptionPane.INFORMATION_MESSAGE);
				new JavaPhone().init();	

			}
		} catch (Exception e) {
			e.printStackTrace();
		}

	}
}