使用Java语言编写的经典游戏俄罗斯方块，能够调整游戏难度、加快下落速度、左右旋转方块等全部功能。代码简洁明了，注释全面。详细介绍见 https://blog.csdn.net/weixin_43922615/article/details/122226620
2021-12-30 09:08:09
14KB
基于java语言实现的购物网站，使用jsp技术，很好的毕业设计参考资料，本系统是韩顺平老师jsp视频授课部分的源码，完整实现
2021-12-29 17:20:53
3.67MB
1
Dimension ss = Toolkit.getDefaultToolkit().getScreenSize();
public ChatClient(){
super("登录聊天室");
pnlLogin = new JPanel();
this.getContentPane().add(pnlLogin);
lblServer = new JLabel("服务器:");
lblPort = new JLabel("端口:");
lblName = new JLabel("用户名:");
lblPassword = new JLabel("口 令:");
tfServer = new JTextField(15);
tfServer.setText("127.0.0.1");
tfPort = new JTextField(6);
tfPort.setText("8000");
tfName = new JTextField(20);
pwd = new JPasswordField(20);
btnLogin = new JButton("登录");
btnRegister = new JButton("注册");
btnExit=new JButton("退出");
pnlLogin.setLayout(null);
pnlLogin.setBackground(new Color(205,112,159));
lblServer.setBounds(40,35,50,30);
tfServer.setBounds(90,35,102,25);
lblPort.setBounds(195,35,35,30);
tfPort.setBounds(230,35,55,25);
lblName.setBounds(40,70,50,30);
tfName.setBounds(90,70,195,25);
lblPassword.setBounds(40,100,50,30);
pwd.setBounds(90,100,195,25);
btnLogin.setBounds(30,160,70,25);
btnRegister.setBounds(130,160,70,25);
btnExit.setBounds(230,160,70,25);
pnlLogin.add(lblServer);
pnlLogin.add(tfServer);
pnlLogin.add(lblPort);
pnlLogin.add(tfPort);
pnlLogin.add(lblName);
pnlLogin.add(tfName);
pnlLogin.add(lblPassword);
pnlLogin.add(pwd);
pnlLogin.add(btnLogin);
pnlLogin.add(btnRegister);
pnlLogin.add(btnExit);
//设置登录窗口
setResizable(false);
setSize(320,260);
setVisible(true);
setLocation((ss.width-getWidth())/2,(ss.height-getHeight())/2);
//为按钮注册监听
btnLogin.addActionListener(this);
btnRegister.addActionListener(this);
btnExit.addActionListener(this);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
}
//按钮监听响应
public void actionPerformed(ActionEvent ae){
Object source = ae.getSource();
if (source.equals(btnLogin)){
if (tfName.getText().equals("") || pwd.getPassword().equals(""))
JOptionPane.showMessageDialog(null, "用户名或密码不能为空");
else
strServerIp = tfServer.getText();
login();
}
if (source.equals(btnRegister)){
strServerIp = tfServer.getText();
this.dispose();
new Register(strServerIp,8000);
}
if (source == btnExit) {
System.exit(0);
}
}
public void login() {
User data = new User();
data.name = tfName.getText();
data.password = new String(pwd.getPassword());
try {
String str = InetAddress.getLocalHost().toString();
data.ip = " "+ str.substring(str.lastIndexOf("/"), str.length());
} catch (UnknownHostException ex) {
Logger.getLogger(ChatClient.class.getName()).log(Level.SEVERE, null, ex);
}
try{
Socket sock = new Socket(strServerIp,8000);
ObjectOutputStream os = new ObjectOutputStream(sock.getOutputStream());
os.writeObject((User) data);
//读来自服务器socket的登录状态
BufferedReader br = new BufferedReader(new InputStreamReader(sock.getInputStream()));
String status = br.readLine();
if (status.equals("登陆成功")){
new ChatRoom((String)data.name,strServerIp);
this.dispose();
//关闭流对象
os.close();
br.close();
sock.close();
}
else{
JOptionPane.showMessageDialog(null, status);
os.close();
br.close();
sock.close();
}
}
catch (ConnectException e1){
JOptionPane.showMessageDialog(null, "连接到制定服务器失败！");
}
catch (InvalidClassException e2) {
JOptionPane.showMessageDialog(null, "类错误!");
}
catch (NotSerializableException e3) {
JOptionPane.showMessageDialog(null, "对象未序列化!");
}
catch (IOException e4) {
JOptionPane.showMessageDialog(null, "不能写入到指定服务器!");
}
}
public static void main(String arg[]){
new ChatClient();
}
}
2021-12-29 15:19:03
49KB
1
package com.lary.chatroom;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Collection;
import java.util.Date;
import java.util.Hashtable;
import java.util.Map;
import java.util.Set;
public class ChatRoomServer {
private ServerSocket ss;
private Map onlineUsers;
public ChatRoomServer(){
try {
ss=new ServerSocket(8090);
onlineUsers=new Hashtable();
} catch (IOException e) {
e.printStackTrace();
}
}
public void startService(){
Socket s=null;
try {
while (true) {
s = ss.accept();
new ChatRoomServerThread(s).start();
}
} catch (IOException e) {
e.printStackTrace();
}
}
class ChatRoomServerThread extends Thread{
private Socket s;
private BufferedReader br;
private PrintWriter pw;
public ChatRoomServerThread(Socket s){
this.s=s;
try {
br=new BufferedReader(new InputStreamReader(s.getInputStream()));
pw=new PrintWriter(s.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
}
}
2021-12-28 20:22:12
3KB
1
群聊功能。使用java swing，socket，多线程实现。
1） 客户端用来接收和展示数据，服务器实现与底层数据的交互。
2） 实现服务器端与客户端的分离，如果要操作数据库，可以在服务器端改代码调用Model。
3） 实现用户上线/下线，客户端接收到服务器端发送的消息。
注意：压缩包内有运行效果图。
2021-12-28 14:50:23
15.15MB
1