标签：style blog class code java tar
登录界面：
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class CopyQQ extends JFrame{
Container c;
JPanel p;
JLabel lab=new JLabel("欢迎使用javaQQ");
JLabel labserver=new JLabel("服务器:");
JLabel labuser=new JLabel("用户名:");
JLabel labpassword=new JLabel("密码:");
JTextField tetserver=new JTextField(20);
JTextField tetuser=new JTextField(10);
JTextField tetpassword=new JTextField(15);
JButton btnlog=new JButton("登录");
JButton btncancel=new JButton("取消");
JButton btnreg=new JButton("注册");
void init(){
c=this.getContentPane();
c.setLayout(new BorderLayout());
p=new JPanel();p.setLayout(null);
p.add(lab);
p.add(labserver);
p.add(labuser);
p.add(labpassword);
p.add(tetserver);
p.add(tetuser);
p.add(tetpassword);
p.add(btnlog);
p.add(btncancel);
p.add(btnreg);
btnreg.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
Register reg=new Register();
reg.setVisible(true);
}
});
btnlog.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
String tmpserver=tetserver.getText();
String tmpuser=tetuser.getText();
String tmppassword=tetpassword.getText();
ResultSet rs;
JDBC jd=new JDBC();
Connection cn=null;
PreparedStatement ps=null;
try {
cn=jd.getConnection();
String sqlselect="select * from information where LogName=? and Password=?";
ps=cn.prepareStatement(sqlselect);
ps.setString(1,tmpuser);
ps.setString(2,tmppassword);
rs=ps.executeQuery();
String qq="";
while(rs.next()){
qq=rs.getString("LogName");
}
if(qq.equals("")){
JOptionPane.showMessageDialog(null, "用户名或密码错误");
}else{
JOptionPane.showMessageDialog(null, "登录成功");
Main ma=new Main(qq);
ma.setVisible(true);
CopyQQ.this.dispose();
// System.exit(0);
}
} catch (SQLException e1) {
e1.printStackTrace();
}
}
});
btncancel.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.exit(0);
}
});
lab.setBounds(80,0,200,30);
labserver.setBounds(60,30,50,20);
tetserver.setBounds(110,30,100,20);
labuser.setBounds(60,60,50,20);
tetuser.setBounds(110,60,100,20);
labpassword.setBounds(60,90,50,20);
tetpassword.setBounds(110,90,100,20);
btnlog.setBounds(30,120,70,30);
btncancel.setBounds(110,120,70,30);
btnreg.setBounds(190,120,70,30);
c.add(p,BorderLayout.CENTER);
this.setSize(300,200);
this.setVisible(true);
}
public CopyQQ(String s){
super(s);
init();
}
public static void main(String[] args) {
CopyQQ qq=new CopyQQ("用户登录");
}
}
注册界面：
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class Register extends JFrame{
JLabel jllog;
JLabel jlname;
JLabel jlpassword;
JLabel jlsurepassword;
JLabel jlip;
JLabel jlport;
JTextField tetlog;
JTextField tetname;
JTextField tetpassword;
JTextField tetsurepassword;
JTextField tetip;
JTextField tetport;
JButton btnreg;
JPanel p;
Container c;
public void init(){
c=this.getContentPane();c.setLayout(new BorderLayout());
p=new JPanel();p.setLayout(null);
btnreg=new JButton("注册");
jllog=new JLabel("登录名：");jlname=new JLabel("姓名：");jlpassword=new JLabel("密码：");
jlsurepassword=new JLabel("确认密码：");jlip=new JLabel("IP:");jlport=new JLabel("端口号：");
tetlog=new JTextField(20);tetname=new JTextField(20);tetip=new JTextField(20);
tetpassword=new JTextField(20);tetsurepassword=new JTextField(20);tetport=new JTextField(20);
p.add(jllog);p.add(jlname);p.add(jlpassword);p.add(jlsurepassword);p.add(jlip);p.add(jlport);
p.add(tetlog);p.add(tetname);p.add(tetpassword);p.add(tetsurepassword);p.add(tetip);p.add(tetport);
p.add(btnreg);
jllog.setBounds(0,0,130,20);tetlog.setBounds(150,0,120,20);
jlname.setBounds(0,30,130,20);tetname.setBounds(150,30,120,20);
jlpassword.setBounds(0,60,130,20);tetpassword.setBounds(150,60,120,20);
jlsurepassword.setBounds(0,90,130,20);tetsurepassword.setBounds(150,90,120,20);
jlip.setBounds(0,120,130,20);tetip.setBounds(150,120,120,20);
jlport.setBounds(0,150,130,20);tetport.setBounds(150,150,120,20);
btnreg.setBounds(0,180,150,20);
btnreg.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
String strlog=tetlog.getText();
String strname=tetname.getText();
String strpassword=tetpassword.getText();
String strsurepassword=tetsurepassword.getText();
String strip=tetip.getText();
String strport=tetport.getText();
if(strpassword.equals(strsurepassword)&&!strpassword.equals(null)){
JDBC jd=new JDBC();
Connection conn = null;
PreparedStatement ps = null;
try {
conn=jd.getConnection();
String sqlinsert="insert into information(LogName,Name,Password,Ip,Port) values(?,?,?,?,?)";
ps = conn.prepareStatement(sqlinsert);
ps.setString(1,strlog);
ps.setString(2,strname);
ps.setString(3,strpassword);
ps.setString(4,strip);
ps.setString(5,strport);
ps.executeUpdate();
System.exit(0);
} catch (SQLException e2) {
e2.printStackTrace();
}
JOptionPane.showMessageDialog(null, "注册成功");
System.exit(0);
}
else{
JOptionPane.showMessageDialog(null, "两次密码不一致");
}
}
});
c.add(p,BorderLayout.CENTER);
this.setSize(300,250);
this.setVisible(true);
}
public Register(){
super("新用户注册");
init();
}
public static void main(String[] args) {
Register reg=new Register();
}
}
主界面：
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class Main extends JFrame{
Container c;
JLabel jltop;
JLabel jlbelow;
JLabel user1;
JLabel user2;
ImageIcon image1;
ImageIcon image2;
JPanel p=new JPanel();
String myQQ="";
void init(){
c=this.getContentPane();
c.setLayout(new BorderLayout());
p.setLayout(null);
jltop=new JLabel(" 好友列表");
jlbelow=new JLabel(" 欢迎您，李四");
image1=new ImageIcon("F:/程序/java程序/高级案例与分析/image/qq1.png");
image2=new ImageIcon("F:/程序/java程序/高级案例与分析/image/qq2.png");
user1=new JLabel("张三",image1,JLabel.LEFT);
user2=new JLabel("王五",image2,JLabel.LEFT);
user1.setBounds(0,20,70,20);
user2.setBounds(0,50,70,20);
c.add(jltop,BorderLayout.NORTH);
p.add(user1);
p.add(user2);
c.add(p);
c.add(jlbelow,BorderLayout.SOUTH);
JDBC jd=new JDBC();
Connection cn=null;
PreparedStatement ps=null;
ResultSet rs;
try {
cn=jd.getConnection();
String sqlSelect="select * from information where LogName=?";
ps=cn.prepareStatement(sqlSelect);
ps.setString(1,myQQ);
rs=ps.executeQuery();
} catch (SQLException e1) {
e1.printStackTrace();
}
user1.addMouseListener(new MouseAdapter(){
public void mouseClicked(MouseEvent e){
Talk t1=new Talk(myQQ,3000,5000);
Talk t2=new Talk("user1",5000,3000);
}
});
user2.addMouseListener(new MouseAdapter(){
public void mouseClicked(MouseEvent e){
Talk t1=new Talk(myQQ,3000,5000);
Talk t2=new Talk("user2",5000,3000);
}
});
this.setSize(250,600);
this.setVisible(true);
}
public Main(String qq){
super(qq);
myQQ=qq;
init();
}
public static void main(String[] args) {
Main ma=new Main("欢迎使用QQ聊天");
}
}
聊天界面：
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class Talk extends JFrame{
JLabel la=new JLabel("请输入");
JTextField tfd=new JTextField(20);
JButton but=new JButton("发送");
JPanel p=new JPanel();
JTextArea jta=new JTextArea(10,20);
Container c;
DatagramSocket ds;
DatagramReceive dc;
int localPost=3000;
int remotePost=5000;
boolean flag=true;
public void init(){
c=this.getContentPane();
c.setLayout(new BorderLayout());
p.setLayout(new FlowLayout());
p.add(la);p.add(tfd);p.add(but);
c.add(p,BorderLayout.NORTH);
c.add(jta,BorderLayout.CENTER);
but.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
String temp=tfd.getText();
jta.append("\n我说："+temp);
byte[] buf=temp.getBytes();
try {
DatagramPacket dp=new DatagramPacket(buf,buf.length,InetAddress.getByName("localhost"),remotePost);
try {
ds.send(dp);
} catch (IOException e1) {
e1.printStackTrace();
}
if(temp.trim().equals("bye")){
flag=false;
//dc.close();
}
} catch (UnknownHostException e1) {
e1.printStackTrace();
}
}
});
this.setSize(500,500);
this.setVisible(true);
}
public Talk(String name,int localPost,int remotePost){
super(name);
this.localPost=localPost;
this.remotePost=remotePost;
init();
try {
ds=new DatagramSocket(localPost);
dc=new DatagramReceive(name,ds,jta);
dc.start();
} catch (SocketException e) {
System.out.println("DatagramSocket创建失败");
}
}
public static void main(String[] args) {
}
}
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import javax.swing.JTextArea;
public class DatagramReceive extends Thread{
String name;
DatagramSocket ds;
JTextArea jta;
boolean flag=true;
public DatagramReceive(String name,DatagramSocket ds,JTextArea jta){
this.name=name;
this.ds=ds;
this.jta=jta;
}
public void run(){
while(flag){
byte[] buf=new byte[1024];
DatagramPacket dp=new DatagramPacket(buf,buf.length);
try {
ds.receive(dp);
String temp=new String(buf,0,dp.getLength());
jta.append("\n对方说："+temp);
if(temp.trim().equals("bye")){
flag=false;
ds.close();
}
} catch (IOException e) {
System.out.println(name+"接受失败");
}
}
}
}
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
public class JDBC {
Statement st;
String url="jdbc:sqlserver://localhost:1433;DatabaseName=QQ";
String user="sa";
String password="a123456";
static String driverName="com.microsoft.sqlserver.jdbc.SQLServerDriver";
Connection conn;
static {
try {
Class.forName(driverName);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
public Connection getConnection() throws SQLException{
conn=DriverManager.getConnection(url,user,password);
return conn;
}
public static void main(String[] args) throws ClassNotFoundException,SQLException{
JDBC jd=new JDBC();
}
}
标签：style blog class code java tar
原文地址：http://blog.csdn.net/crescent__moon/article/details/25228249
