login.java

Java+Eclipse+Mysql的局域网聊天程序源代码

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

import java.awt.event.*;
import java.awt.Insets;
import java.awt.GridBagConstraints;
import javax.swing.JPanel;
import java.awt.GridBagLayout;
import java.awt.BorderLayout;
import javax.swing.JButton;
import javax.swing.JTextPane;
import java.awt.Dimension;
import javax.swing.JLabel;
import javax.swing.ImageIcon;
import java.awt.Color;
import java.net.InetAddress;

import javax.swing.JPasswordField;

public class Login extends JPanel implements ActionListener{

	private static final long serialVersionUID = 1L;
	private JPanel jPanel = null;
	private JLabel jLabel = null;
	private JTextField tf_Uname = null;
	private JCheckBox jc_autolog = null;
	private JCheckBox jc_rempass = null;
	private JLabel jLabel1 = null;
	private JLabel jLabel2 = null;
	private JButton btn_Login = null;
	private JButton btn_Back = null;
	
	private JPanel jp=null;
	private JPanel jPanel1 = null;
	private JLabel jLabel3 = null;
	private JLabel jLabel4 = null;
	private JPasswordField tf_Pass = null;
	private JLabel jl_LogInfo = null;
	private MyQQ parentframe=null;
	private JFrame fscreen=null;
	public ReadConfig rc=null;  //  @jve:decl-index=0:
	
	public String local_username=null;
	
	public String server_addr=null;
	public int server_port=0;
	
	public String local_addr=null;
	public int local_port=0;
	
	public SendMsg sm=null;
	public ReceivMsg rm=null;
	public Timer timer=null;
	
	public QQBar qqbar=null;
	/**
	 * This is the default constructor
	 */
	public Login(JPanel jp,MyQQ parentframe) {
		super();
		this.jp=jp;
		this.parentframe=parentframe;
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		jLabel4 = new JLabel();
		jLabel4.setText("");
		jLabel4.setPreferredSize(new Dimension(300, 100));
		jLabel4.setBackground(Color.white);
		jLabel4.setIcon(new ImageIcon(getClass().getResource("/top.PNG")));
		this.setSize(451, 295);
		this.setLayout(new BorderLayout());
		this.add(getJPanel(), BorderLayout.CENTER);
		this.add(getJPanel1(), BorderLayout.BEFORE_LINE_BEGINS);
		this.add(jLabel4, BorderLayout.NORTH);
		
		rc=new ReadConfig();				//获得设置
		tf_Uname.setText(rc.getString("user",false));
		tf_Pass.setText(rc.getString("pass", false));
		if(rc.getString("alog", false).equals("1"))	//自动登录
		{
			tf_Pass.setText(rc.getString("pass", false));//设置pass
			jc_autolog.setSelected(true);			//勾选"自动登录"
			jc_rempass.setSelected(true);			//勾选"记住密码"
		}
	}

	/**
	 * This method initializes jPanel	
	 * 	
	 * @return javax.swing.JPanel	
	 */
	private JPanel getJPanel() {
		if (jPanel == null) {
			GridBagConstraints gridBagConstraints12 = new GridBagConstraints();
			gridBagConstraints12.gridx = 4;
			gridBagConstraints12.insets = new Insets(0, 0, 15, 0);
			gridBagConstraints12.fill = GridBagConstraints.HORIZONTAL;
			gridBagConstraints12.gridy = 0;
			jl_LogInfo = new JLabel();
			jl_LogInfo.setText(" ");
			GridBagConstraints gridBagConstraints11 = new GridBagConstraints();
			gridBagConstraints11.fill = GridBagConstraints.BOTH;
			gridBagConstraints11.gridy = 5;
			gridBagConstraints11.weightx = 1.0;
			gridBagConstraints11.insets = new Insets(0, 0, 10, 10);
			gridBagConstraints11.gridx = 4;
			GridBagConstraints gridBagConstraints41 = new GridBagConstraints();
			gridBagConstraints41.gridx = 4;
			gridBagConstraints41.gridy = 9;
			GridBagConstraints gridBagConstraints31 = new GridBagConstraints();
			gridBagConstraints31.gridx = 3;
			gridBagConstraints31.fill = GridBagConstraints.NONE;
			gridBagConstraints31.gridy = 9;
			GridBagConstraints gridBagConstraints21 = new GridBagConstraints();
			gridBagConstraints21.gridx = 2;
			gridBagConstraints21.gridwidth = 2;
			gridBagConstraints21.insets = new Insets(0, 0, 15, 0);
			gridBagConstraints21.fill = GridBagConstraints.NONE;
			gridBagConstraints21.gridy = 0;
			jLabel2 = new JLabel();
			jLabel2.setText("用户登录");
			GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
			gridBagConstraints1.gridx = 3;
			gridBagConstraints1.insets = new Insets(0, 20, 5, 0);
			gridBagConstraints1.fill = GridBagConstraints.HORIZONTAL;
			gridBagConstraints1.gridy = 5;
			jLabel1 = new JLabel();
			jLabel1.setText("密    码：");
			jLabel1.setAlignmentY(20.0F);
			jLabel1.setAlignmentX(20.0F);
			GridBagConstraints gridBagConstraints5 = new GridBagConstraints();
			gridBagConstraints5.gridx = 4;
			gridBagConstraints5.insets = new Insets(0, 0, 0, 0);
			gridBagConstraints5.fill = GridBagConstraints.HORIZONTAL;
			gridBagConstraints5.gridy = 7;
			GridBagConstraints gridBagConstraints4 = new GridBagConstraints();
			gridBagConstraints4.gridx = 3;
			gridBagConstraints4.insets = new Insets(0, 15, 0, 0);
			gridBagConstraints4.fill = GridBagConstraints.HORIZONTAL;
			gridBagConstraints4.gridy = 7;
			GridBagConstraints gridBagConstraints2 = new GridBagConstraints();
			gridBagConstraints2.fill = GridBagConstraints.HORIZONTAL;
			gridBagConstraints2.gridy = 3;
			gridBagConstraints2.weightx = 1.0;
			gridBagConstraints2.gridwidth = 1;
			gridBagConstraints2.insets = new Insets(0, 0, 10, 10);
			gridBagConstraints2.gridx = 4;
			GridBagConstraints gridBagConstraints = new GridBagConstraints();
			gridBagConstraints.gridx = 3;
			gridBagConstraints.insets = new Insets(0, 20, 5, 0);
			gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;
			gridBagConstraints.gridy = 3;
			jLabel = new JLabel();
			jLabel.setText("用户名：");
			jLabel.setAlignmentY(20.0F);
			jLabel.setAlignmentX(20.0F);
			jPanel = new JPanel();
			jPanel.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
			jPanel.setLayout(new GridBagLayout());
			jPanel.setBackground(Color.white);
			jPanel.add(jLabel, gridBagConstraints);
			jPanel.add(getTf_Uname(), gridBagConstraints2);
			jPanel.add(getJc_autolog(), gridBagConstraints4);
			jPanel.add(getJc_rempass(), gridBagConstraints5);
			jPanel.add(jLabel1, gridBagConstraints1);
			jPanel.add(jLabel2, gridBagConstraints21);
			jPanel.add(getBtn_Login(), gridBagConstraints31);
			jPanel.add(getBtn_Back(), gridBagConstraints41);
			jPanel.add(getTf_Pass(), gridBagConstraints11);
			jPanel.add(jl_LogInfo, gridBagConstraints12);
		}
		return jPanel;
	}

	/**
	 * This method initializes tf_Uname	
	 * 	
	 * @return javax.swing.JTextField	
	 */
	private JTextField getTf_Uname() {
		if (tf_Uname == null) {
			tf_Uname = new JTextField();
			tf_Uname.setPreferredSize(new Dimension(100, 22));
			tf_Uname.setAlignmentY(20.0F);
			tf_Uname.setHorizontalAlignment(JTextField.LEFT);
			tf_Uname.setText("");
			tf_Uname.setEditable(true);
			tf_Uname.setAlignmentX(20.0F);
		}
		return tf_Uname;
	}

	/**
	 * This method initializes jc_autolog	
	 * 	
	 * @return javax.swing.JCheckBox	
	 */
	private JCheckBox getJc_autolog() {
		if (jc_autolog == null) {
			jc_autolog = new JCheckBox();
			jc_autolog.setText("自动登录");
			jc_autolog.setAlignmentY(20.0F);
			jc_autolog.setHorizontalAlignment(SwingConstants.RIGHT);
			jc_autolog.setBackground(Color.white);
			jc_autolog.setAlignmentX(20.0F);
		}
		return jc_autolog;
	}

	/**
	 * This method initializes jc_rempass	
	 * 	
	 * @return javax.swing.JCheckBox	
	 */
	private JCheckBox getJc_rempass() {
		if (jc_rempass == null) {
			jc_rempass = new JCheckBox();
			jc_rempass.setText("记住密码");
			jc_rempass.setAlignmentY(20.0F);
			jc_rempass.setBackground(Color.white);
			jc_rempass.setAlignmentX(20.0F);
		}
		return jc_rempass;
	}

	/**
	 * This method initializes btn_Login	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getBtn_Login() {
		if (btn_Login == null) {
			btn_Login = new JButton();
			btn_Login.setText("登录");
			btn_Login.addActionListener(this);
		}
		return btn_Login;
	}

	/**
	 * This method initializes btn_Back	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getBtn_Back() {
		if (btn_Back == null) {
			btn_Back = new JButton();
			btn_Back.addActionListener(this);
			btn_Back.setText("返回");
		}
		return btn_Back;
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==btn_Back)
		{
			this.setVisible(false);
			jp.setVisible(true);
		}
		else if(e.getSource()==btn_Login)
		{
			setInfo("logging");
			sendLogMsg();
		}
	}
	public void sendLogMsg()
	{
		String uname=tf_Uname.getText().trim();
		String passwd=tf_Pass.getText().trim();
		if(uname.length()<=0)
		{
			setInfo("unamewrong");
		}
		else
		{
			if(passwd.length()<=0)
			{
				setInfo("passwdwrong");
			}
			else			//发送登录信息
			{
				try
				{
				local_addr=InetAddress.getLocalHost().toString().split("\\/")[1];
				}
				catch(Exception e)
				{
					System.out.println("获取本地IP时发生异常!Login.java");
					e.printStackTrace();
				}
				local_port=Integer.parseInt(rc.getString("lpor", false));
				
				//"1|0"表示该消息需要回复,类别号为0
				String msg="1|0|"+uname+"|"+passwd+"|"+local_addr+"|"+local_port;
				
				server_port=Integer.parseInt(rc.getString("port", false));
				server_addr=rc.getString("addr", false);
				
				if(sm==null)
					sm=new SendMsg();    //创建发送线程
				if(rm==null)
					rm=new ReceivMsg(sm,this);  //创建接收线程
				if(timer==null)
					timer=new Timer(sm,rm);   //创建定时器线程
		
				rm.start();         //启动接收线程
				sm.start();			//启动发送线程
				//timer.start();
			
				sm.setMsg(msg,server_port,server_addr,false,true);	//发送用户名和密码
			}  
		}
	}
	public void setInfo(String action)//设置此面板登录/登录错误信息提示
	{
		if(action.equals("success"))
		{
			jl_LogInfo.setText("登录成功!");
			parentframe.setVisible(false);
			local_username=tf_Uname.getText().trim();
			qqbar=new QQBar(this,parentframe);
			qqbar.setVisible(true);
		}
		else if(action.equals("fail"))
		{
			jl_LogInfo.setText("用户名或者密码错误!");
			tf_Uname.setEditable(true);		//恢复用户名可输入状态
			tf_Pass.setEditable(true);		//恢复密码可输入状态
			btn_Login.setEnabled(true);		//恢复登录按钮可用
		}
		else if(action.equals("timeout"))
		{
			jl_LogInfo.setText("连接超时!");
			tf_Uname.setEditable(true);		//恢复用户名可输入状态
			tf_Pass.setEditable(true);		//恢复密码可输入状态
			btn_Login.setEnabled(true);		//恢复登录按钮可用
		}
		else if(action.equals("logging"))
		{
			jl_LogInfo.setText("登录中...");
			tf_Uname.setEditable(false);		//设置用户名不可输入状态
			tf_Pass.setEditable(false);		//设置密码不可输入状态
			btn_Login.setEnabled(false);		//设置登录按钮不可用
		}
		else if(action.equals("unamewrong"))  //用户名不正确
		{
			jl_LogInfo.setText("用户名不正确!");
			tf_Uname.setEditable(true);
			tf_Pass.setEditable(true);
			btn_Login.setEnabled(true);
		}
		else if(action.equals("passwdwrong"))  //用户名不正确
		{
			jl_LogInfo.setText("密码不正确!");
			tf_Uname.setEditable(true);
			tf_Pass.setEditable(true);
			btn_Login.setEnabled(true);
		}
	}

	/**
	 * This method initializes jPanel1	
	 * 	
	 * @return javax.swing.JPanel	
	 */
	private JPanel getJPanel1() {
		if (jPanel1 == null) {
			GridBagConstraints gridBagConstraints6 = new GridBagConstraints();
			gridBagConstraints6.insets = new Insets(0, 0, 0, 0);
			jLabel3 = new JLabel();
			jLabel3.setText("");
			jLabel3.setAlignmentX(1.0F);
			jLabel3.setPreferredSize(new Dimension(130, 200));
			jLabel3.setIcon(new ImageIcon(getClass().getResource("/QQ.png")));
			jPanel1 = new JPanel();
			jPanel1.setLayout(new GridBagLayout());
			jPanel1.setBackground(Color.white);
			jPanel1.add(jLabel3, gridBagConstraints6);
		}
		return jPanel1;
	}

	/**
	 * This method initializes tf_Pass	
	 * 	
	 * @return javax.swing.JPasswordField	
	 */
	private JPasswordField getTf_Pass() {
		if (tf_Pass == null) {
			tf_Pass = new JPasswordField();
			tf_Pass.setPreferredSize(new Dimension(100, 22));
		}
		return tf_Pass;
	}
}