enter.java

用户需要注册

import java.awt.*;
import javax.swing.*;
import java.io.*;
import java.net.*;

import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.Rectangle;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JRadioButton;
import javax.swing.JPasswordField;
import java.awt.Dimension;
import javax.swing.ImageIcon;
import java.awt.Toolkit;
import javax.swing.BorderFactory;
import javax.swing.border.TitledBorder;
import java.awt.Font;
import java.awt.Color;
//登录界面
public class Enter extends JFrame {

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	private JLabel jLabel = null;

	private JTextField jTextField = null;

	private JLabel jLabel1 = null;

	private JButton jButton = null;
	
	private ButtonGroup btg= new ButtonGroup();  //  @jve:decl-index=0:

	private JRadioButton jRadioButton = null;

	private JRadioButton jRadioButton1 = null;

	private JButton jButton1 = null;

	private JButton jButton2 = null;

	private JPasswordField jTextField1 = null;

	private JLabel pic = null;

	private String jing = new String("");
	
	public static String b;

	/**
	 * This is the default constructor
	 */
	public Enter() {
		super();
		initialize();
	}
	public Enter(String jing){
		super();
		this.jing=jing;
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(418, 305);
		this.setIconImage(Toolkit.getDefaultToolkit().getImage(getClass().getResource("/pic/logon2.png")));
		this.setContentPane(getJContentPane());
		this.setTitle("登录");
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setResizable(false);
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			pic = new JLabel();
			pic.setBounds(new Rectangle(29, 10, 150, 57));
			//pic.setText("JLabel");
			pic.setIcon(new ImageIcon("pic/login.gif"));
			jLabel1 = new JLabel();
			jLabel1.setBounds(new Rectangle(80, 130, 62, 25));
			jLabel1.setText("    密     码");
			jLabel = new JLabel();
			jLabel.setBounds(new Rectangle(80, 80, 62, 25));
			jLabel.setText("    用户名");
			jContentPane = new JPanel();
			jContentPane.setLayout(null);
			jContentPane.setBorder(BorderFactory.createTitledBorder(null, " ", TitledBorder.RIGHT, TitledBorder.BELOW_TOP, new Font("Dialog", Font.BOLD, 12), new Color(51, 51, 51)));
			jContentPane.add(jLabel, null);
			jContentPane.add(getJTextField(), null);
			jContentPane.add(jLabel1, null);
			jContentPane.add(getJButton(), null);
			jContentPane.add(getJRadioButton(), null);
			jContentPane.add(getJRadioButton1(), null);
			jContentPane.add(getJButton1(), null);
			jContentPane.add(getJButton2(), null);
			jContentPane.add(getJTextField1(), null);
			jContentPane.add(pic, null);
			jContentPane.setBackground(Color.white);
		}
		return jContentPane;
	}

	/**
	 * This method initializes jTextField	
	 * 	
	 * @return javax.swing.JTextField	
	 */
	private JTextField getJTextField() {
		if (jTextField == null) {
			jTextField = new JTextField();
			jTextField.setBounds(new Rectangle(176, 80, 155, 25));
			if(jing.length()!=0)
			jTextField.setText(jing);
		}
		return jTextField;
	}

	/**
	 * This method initializes jButton	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getJButton() {
		if (jButton == null) {
			jButton = new JButton();
			jButton.setBorderPainted(false);
			jButton.setBackground(Color.white);
			jButton.setIcon(new ImageIcon(getClass().getResource("/pic/findpassword.gif")));
			jButton.setBounds(new Rectangle(268, 215, 65, 30));
			jButton.addActionListener(new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent e) {
					findPassword1 f1=new findPassword1();
					f1.setVisible(true);
					sign_out();
				}
			});
		}
		return jButton;
	}

	/**
	 * This method initializes jRadioButton	
	 * 	
	 * @return javax.swing.JRadioButton	
	 */
	private JRadioButton getJRadioButton() {
		if (jRadioButton == null) {
			jRadioButton = new JRadioButton("普通用户");
			jRadioButton.setBounds(new Rectangle(105, 170, 78, 28));
			btg.add(jRadioButton);
			jRadioButton.setOpaque(false);
		}
		return jRadioButton;
	}

	/**
	 * This method initializes jRadioButton1	
	 * 	
	 * @return javax.swing.JRadioButton	
	 */
	private JRadioButton getJRadioButton1() {
		if (jRadioButton1 == null) {
			jRadioButton1 = new JRadioButton("店主");
			jRadioButton1.setBounds(new Rectangle(235, 170, 78, 28));
			btg.add(jRadioButton1);
			jRadioButton1.setOpaque(false);
		}
		return jRadioButton1;
	}

	/**
	 * This method initializes jButton1	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private void sign_out()
	{
		this.dispose();
	}
	private JButton getJButton1() {
		if (jButton1 == null) {
			jButton1 = new JButton();
			jButton1.setBounds(new Rectangle(80, 215, 65, 30));
			jButton1.setBorderPainted(false);
			jButton1.setIcon(new ImageIcon(getClass().getResource("/pic/login2.gif")));
			jButton1.setBackground(Color.white);
			jButton1.addActionListener(new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent e) {
					if (e.getSource()==jButton1)
					{
						if(jRadioButton.isSelected())
						{//普通用户登录
							int j = 0;
						
							if(jTextField.getText().trim().length()==0)
							{
								String a="对不起，用户名不能为空";
								messagebox mb=new messagebox(a);
								mb.setVisible(true);
								j = 1;
							}
							else if(jTextField1.getText().trim().length()==0)
							{
								String a="对不起，密码不能为空";
								messagebox mb=new messagebox(a);
								mb.setVisible(true);
								j = 1;
							}
							if(j == 0)
							{
								try
								{
									Socket socket;
									socket = new Socket("localhost",2000);
									PrintWriter toServer = new PrintWriter(socket.getOutputStream(),true);
									toServer.println(0);
									toServer.println(jTextField.getText().trim());
									toServer.println(jTextField1.getText().trim());
								}
								catch(IOException ex)
								{
									System.err.println(ex);
								}
								try
								{
									ServerSocket serverSocket = new ServerSocket(2003);
									Socket  fromServer = serverSocket.accept();
									DataInputStream isFromServer = new DataInputStream(fromServer.getInputStream());
									int i = isFromServer.readInt();
									if(i == 1)
									{	
										String a ="登录成功，点击进入大厅";
										b=jTextField.getText().trim();
										messagebox1 mb = new messagebox1(a,1);
										mb.setVisible(true);
										sign_out();
									}
									if(i == 0)
									{
										String a="对不起，用户名不存在";
										messagebox mb=new messagebox(a);
										mb.setVisible(true);
									}
									else if(i == -1)
									{
										String a="对不起，密码错误";
										messagebox mb=new messagebox(a);
										mb.setVisible(true);
									}
									isFromServer.close();
									serverSocket.close();
								}
								catch(IOException ex)
								{
									System.err.println(ex);
								}
							}
						}
						else if(jRadioButton1.isSelected())//店主登录
						{
							int j = 0;
							
							if(jTextField.getText().trim().length()==0)
							{
								String a="对不起，用户名不能为空";
								messagebox mb=new messagebox(a);
								mb.setVisible(true);
								j = 1;
							}
							else if(jTextField1.getText().trim().length()==0)
							{
								String a="对不起，密码不能为空";
								messagebox mb=new messagebox(a);
								mb.setVisible(true);
								j = 1;
							}
							if(j == 0)
							{
								//System.out.println("1");
								try
								{
									Socket socket;
									socket = new Socket("localhost",2000);
									PrintWriter toServer = new PrintWriter(socket.getOutputStream(),true);
									toServer.println(1);
									toServer.println(jTextField.getText().trim());
									toServer.println(jTextField1.getText().trim());	
								}
								catch(IOException ex)
								{
									System.err.println(ex);
								}
								try
								{
									ServerSocket serverSocket = new ServerSocket(2004);
									Socket  fromServer = serverSocket.accept();
									DataInputStream isFromServer = new DataInputStream(fromServer.getInputStream());
									int i = isFromServer.readInt();
									if(i == 1)
									{
										String a ="登录成功，点击进入您的商店";
										b=jTextField.getText().trim();
										messagebox1 mb = new messagebox1(a,2);
										mb.setVisible(true);
										sign_out();
									}
									else if(i == 0)
									{
										String a="对不起，用户名不存在";
										messagebox mb=new messagebox(a);
										mb.setVisible(true);
									}
									else if(i == -1)
									{
										String a="对不起，密码错误";
										messagebox mb=new messagebox(a);
										mb.setVisible(true);
									}
									else if(i==-2)
									{
										String a="对不起，您还没有注册店铺";
										messagebox mb=new messagebox(a);
										mb.setVisible(true);
									}
									serverSocket.close();
								}
								catch(IOException ex)
								{
									System.err.println(ex);
								}
							}
						}
						else 
						{
							String a="请选择您的身份";
							messagebox mb=new messagebox(a);
							mb.setVisible(true);
						}
					}
				}
			});
		}
		
		return jButton1;
	}

	/**
	 * This method initializes jButton2	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getJButton2() {
		if (jButton2 == null) {
			jButton2 = new JButton();
			jButton2.setBorderPainted(false);
			jButton2.setBackground(Color.white);
			jButton2.setIcon(new ImageIcon(getClass().getResource("/pic/register.gif")));
			jButton2.setBounds(new Rectangle(174, 215, 65, 30));
			jButton2.addActionListener(new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent e) {
					if(jRadioButton.isSelected())
					{
						Registration  re=new Registration();
						re.setVisible(true);
						sign_out();
					}
					else if(jRadioButton1.isSelected())
					{
						shopKeeperRegistration  re2=new shopKeeperRegistration();
						re2.setVisible(true);
						sign_out();
					}
					else 
					{
						String a="请选择您的身份";
						messagebox mb=new messagebox(a);
						mb.setVisible(true);
					}
				}
			});
		}
		return jButton2;
	}

	/**
	 * This method initializes jTextField1	
	 * 	
	 * @return javax.swing.JPasswordField	
	 */
	private JPasswordField getJTextField1() {
		if (jTextField1 == null) {
			jTextField1 = new JPasswordField();
			jTextField1.setBounds(new Rectangle(176, 130, 155, 25));
		}
		return jTextField1;
	}

}  //  @jve:decl-index=0:visual-constraint="61,12"