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【ClientSocketDemo.java 客户端Java源代码】
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import java.net.*;
import java.io.*;
public class ClientSocketDemo
{
//声明客户端Socket对象socket
Socket socket = null;
//声明客户器端数据输入输出流
DataInputStream in;
DataOutputStream out;
//声明字符串数组对象response,用于存储从服务器接收到的信息
String response[];
//执行过程中,没有参数时的构造方法,本地服务器在本地,取默认端口10745
public ClientSocketDemo()
{
try
{
//创建客户端socket,服务器地址取本地,端口号为10745
socket = new Socket("localhost",10745);
//创建客户端数据输入输出流,用于对服务器端发送或接收数据
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
//获取客户端地址及端口号
String ip = String.valueOf(socket.getLocalAddress());
String port = String.valueOf(socket.getLocalPort());
//向服务器发送数据
out.writeUTF("Hello Server.This connection is from client.");
out.writeUTF(ip);
out.writeUTF(port);
//从服务器接收数据
response = new String[3];
for (int i = 0; i response.length; i++)
{
response[i] = in.readUTF();
System.out.println(response[i]);
}
}
catch(UnknownHostException e){e.printStackTrace();}
catch(IOException e){e.printStackTrace();}
}
//执行过程中,有一个参数时的构造方法,参数指定服务器地址,取默认端口10745
public ClientSocketDemo(String hostname)
{
try
{
//创建客户端socket,hostname参数指定服务器地址,端口号为10745
socket = new Socket(hostname,10745);
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
String ip = String.valueOf(socket.getLocalAddress());
String port = String.valueOf(socket.getLocalPort());
out.writeUTF("Hello Server.This connection is from client.");
out.writeUTF(ip);
out.writeUTF(port);
response = new String[3];
for (int i = 0; i response.length; i++)
{
response[i] = in.readUTF();
System.out.println(response[i]);
}
}
catch(UnknownHostException e){e.printStackTrace();}
catch(IOException e){e.printStackTrace();}
}
//执行过程中,有两个个参数时的构造方法,第一个参数hostname指定服务器地址
//第一个参数serverPort指定服务器端口号
public ClientSocketDemo(String hostname,String serverPort)
{
try
{
socket = new Socket(hostname,Integer.parseInt(serverPort));
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
String ip = String.valueOf(socket.getLocalAddress());
String port = String.valueOf(socket.getLocalPort());
out.writeUTF("Hello Server.This connection is from client.");
out.writeUTF(ip);
out.writeUTF(port);
response = new String[3];
for (int i = 0; i response.length; i++)
{
response[i] = in.readUTF();
System.out.println(response[i]);
}
}
catch(UnknownHostException e){e.printStackTrace();}
catch(IOException e){e.printStackTrace();}
}
public static void main(String[] args)
{
String comd[] = args;
if(comd.length == 0)
{
System.out.println("Use localhost(127.0.0.1) and default port");
ClientSocketDemo demo = new ClientSocketDemo();
}
else if(comd.length == 1)
{
System.out.println("Use default port");
ClientSocketDemo demo = new ClientSocketDemo(args[0]);
}
else if(comd.length == 2)
{
System.out.println("Hostname and port are named by user");
ClientSocketDemo demo = new ClientSocketDemo(args[0],args[1]);
}
else System.out.println("ERROR");
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
【ServerSocketDemo.java 服务器端Java源代码】
import java.net.*;
import java.io.*;
public class ServerSocketDemo
{
//声明ServerSocket类对象
ServerSocket serverSocket;
//声明并初始化服务器端监听端口号常量
public static final int PORT = 10745;
//声明服务器端数据输入输出流
DataInputStream in;
DataOutputStream out;
//声明InetAddress类对象ip,用于获取服务器地址及端口号等信息
InetAddress ip = null;
//声明字符串数组对象request,用于存储从客户端发送来的信息
String request[];
public ServerSocketDemo()
{
request = new String[3]; //初始化字符串数组
try
{
//获取本地服务器地址信息
ip = InetAddress.getLocalHost();
//以PORT为服务端口号,创建serverSocket对象以监听该端口上的连接
serverSocket = new ServerSocket(PORT);
//创建Socket类的对象socket,用于保存连接到服务器的客户端socket对象
Socket socket = serverSocket.accept();
System.out.println("This is server:"+String.valueOf(ip)+PORT);
//创建服务器端数据输入输出流,用于对客户端接收或发送数据
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
//接收客户端发送来的数据信息,并显示
request[0] = in.readUTF();
request[1] = in.readUTF();
request[2] = in.readUTF();
System.out.println("Received messages form client is:");
System.out.println(request[0]);
System.out.println(request[1]);
System.out.println(request[2]);
//向客户端发送数据
out.writeUTF("Hello client!");
out.writeUTF("Your ip is:"+request[1]);
out.writeUTF("Your port is:"+request[2]);
}
catch(IOException e){e.printStackTrace();}
}
public static void main(String[] args)
{
ServerSocketDemo demo = new ServerSocketDemo();
}
}
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class GameTest extends JFrame implements ActionListener{
/*
* 新建一个主面板(这个类可能是自定义的,本程序和API中没有)。
*/
MainPanel j=new MainPanel();
JButton jPreview;
JLabel label;
Container container;
JPanel panel;
/**
* 主函数
* @param args
*/
public static void main(String[] args) {
//运行程序
new GameTest();
}
/**
* 构造函数。
*
*/
public GameTest()
{
//新建一个标题为“拼图”的窗口
JFrame fr =new JFrame("拼图");
//获取窗口容器。
container=fr.getContentPane();
//创建菜单条
JMenuBar jMenuBar=new JMenuBar();
//以下初始化菜单,并且设置快捷键和添加监听器。
JMenu jMenuGame=new JMenu("游戏(G)");
jMenuGame.setMnemonic('g');
JMenuItem jMenuItemStart = new JMenuItem("开始(S)");
jMenuItemStart.setMnemonic('s');
jMenuItemStart.addActionListener(this);
JMenuItem jMenuItemExit=new JMenuItem("退出(E)");
jMenuItemExit.setMnemonic('e');
jMenuItemExit.addActionListener(this);
jMenuGame.add(jMenuItemStart);
jMenuGame.add(jMenuItemExit);
//初始化按钮并设置快捷键和添加监听器
JButton jChoice=new JButton("选图(X)");
jChoice.setMnemonic('x');
jChoice.addActionListener(this);
jPreview=new JButton("预览(P)");
jPreview.setMnemonic('p');
jPreview.addActionListener(this);
//将菜单和按钮添加到菜单条中
jMenuBar.add(jMenuGame);
jMenuBar.add(jChoice);
jMenuBar.add(jPreview);
//将菜单条设为该窗口的主菜单
fr.setJMenuBar(jMenuBar);
//将主面板添加到该窗口的容器中。
container.add(j);
//设置大小
fr.setSize(315,360 );
fr.setVisible(true);
//设置默认关闭方式。
fr.setDefaultCloseOperation(3);
}
/**
* 事件处理函数。
*/
public void actionPerformed(ActionEvent e) {
if(e.getActionCommand()=="开始(S)")
{
j.Start();
}
if(e.getActionCommand()=="预览(P)")
{
j.setVisible(false);
panel=new JPanel();
Icon icon=new ImageIcon("pictrue/pic"+"_"+MainPanel.pictureID+".jpg");
label=new JLabel(icon);
label.setBounds(300, 300, 0, 0);
panel.add(label);
panel.setSize(300, 300);
panel.setVisible(true);
this.container.add(panel);
jPreview.setText("返回(P)");
}
if(e.getActionCommand()=="返回(P)")
{
panel.setVisible(false);
j.setVisible(true);
j.repaint();
jPreview.setText("预览(P)");
}
if(e.getActionCommand()=="退出(E)")
{
System.exit(0);
}
if(e.getActionCommand()=="选图(X)")
{
//初始化选择框,并提供选择。
Choice pic = new Choice();
pic.add("七里香");
pic.add("依然范特西");
pic.add("八度空间");
pic.add("十一月的肖邦");
pic.add("魔杰座");
pic.add("叶惠美");
pic.add("我很忙");
int i=JOptionPane.showConfirmDialog(this, pic, "选择图片", JOptionPane.OK_CANCEL_OPTION);
if(i==JOptionPane.YES_OPTION)
{
//选择图片
MainPanel.pictureID=pic.getSelectedIndex()+1;
j.removeAll();
j.reLoadPicture();
j.repaint();
}
}
}
}
import java.awt.*; \x0d\x0aimport java.awt.event.*; \x0d\x0aimport javax.swing.*; \x0d\x0apublic class Els extends JFrame implements KeyListener,Runnable \x0d\x0a{\x0d\x0apublic Els() \x0d\x0a{ \x0d\x0asetSize(240,320); \x0d\x0asetUndecorated(true); \x0d\x0aint H=(int) (this.getToolkit().getScreenSize().height); \x0d\x0aint W=(int) (this.getToolkit().getScreenSize().width); \x0d\x0asetLocation(W/2-120,H/2-160); \x0d\x0asetResizable(false); \x0d\x0asetDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); \x0d\x0a} \x0d\x0apublic void paint(Graphics g) \x0d\x0a{ \x0d\x0asuper.paint(g); \x0d\x0aGraphics2D g2=(Graphics2D)g; \x0d\x0a g2.setColor(Color.darkGray.brighter().brighter()); \x0d\x0a \x0d\x0a //绘制小框格 \x0d\x0a for(int m=192;m
回答于 2022-11-16