Java小程式之你畫我猜
阿新 • • 發佈：2019-02-15
package com.huaxin.client; import java.awt.BasicStroke; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Label; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.awt.event.MouseMotionListener; import java.io.IOException; import java.net.Socket; import java.net.UnknownHostException; import javax.swing.ButtonGroup; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; public class ClientUI extends JFrame { public JButton sendBtn; public JLabel contant; public JPanel drawPanel; public JPanel colorPanel; public JPanel waitPanel; public JPanel drawLeftPanel; public JPanel centerPanel; public JTextField jtf; public JTextArea jta; public Graphics2D g; public Color color; public ClientCtroller control; public Socket socket; public int x1, y1; public BasicStroke strock; public JComboBox<Integer> box; //初始化介面的時候開始建立客戶端物件 public ClientUI() { try { socket = new Socket("localhost", 9090); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { ClientUI ui = new ClientUI(); ui.initFrame(); } public void initFrame() { this.setTitle("你畫我猜"); this.setSize(700, 500); this.setDefaultCloseOperation(3); this.setLocationRelativeTo(null); // 總的面板 // JPanel panel = new JPanel(); // panel.setBackground(Color.red); // 等待面板 waitPanel = new JPanel(); waitPanel.setBackground(Color.red); JLabel label = new JLabel("正在為您尋找房間......"); waitPanel.add(label); this.add(waitPanel); // 畫的面板 // addDrawPanel(); // addGuessPanel(); this.setVisible(true); // 建立客戶端控制器物件 control = new ClientCtroller(socket, this); control.dealwith(); } //新增畫面板的函式 public void addDrawPanel() { drawPanel = new JPanel(); drawPanel.setLayout(new BorderLayout()); // 畫面板的左右子面板 drawLeftPanel = new JPanel(); drawLeftPanel.setLayout(new BorderLayout()); //左邊板的中間面板 centerPanel = new JPanel(); centerPanel.setBackground(Color.WHITE); //左面板下的顏色面板 colorPanel = new JPanel(); //給顏色面板設定空佈局 colorPanel.setLayout(null); colorPanel.setBackground(Color.gray); colorPanel.setPreferredSize(new Dimension(0,60)); //顏色面板的顏色按鈕 Color [] colors={Color.red,Color.black,Color.orange,Color.green, Color.pink,Color.blue,Color.cyan,Color.magenta,Color.YELLOW}; //顏色按鈕新增 ActionListener btnlistener = new ActionListener() { public void actionPerformed(ActionEvent e) { JButton bt =(JButton)e.getSource(); color =bt.getBackground(); } }; for (int i = 0; i < colors.length; i++) { JButton btn = new JButton(); btn.setBackground(colors[i]); btn.addActionListener(btnlistener); btn.setBounds(40+i*30, 15, 30, 30); colorPanel.add(btn); } //新增畫筆粗細 box =new JComboBox<Integer>(); box.setBounds(380, 15, 80, 30); for (int i = 0; i < 10; i++) { Integer intdata = new Integer(i+1); box.addItem(intdata); } colorPanel.add(box); JPanel drawRightPanel = new JPanel(); drawRightPanel.setLayout(new BorderLayout()); drawRightPanel.setPreferredSize(new Dimension(200, 0)); // 右面板的的下面板 JPanel buttonPanel = new JPanel(); buttonPanel.setPreferredSize(new Dimension(0, 50)); jta = new JTextArea(); jta.setLineWrap(true); JScrollPane jsp = new JScrollPane(jta); jtf = new JTextField(11); contant = new JLabel(); sendBtn = new JButton(); sendBtn.setText("傳送"); sendBtn.addActionListener(al); buttonPanel.add(jtf); buttonPanel.add(sendBtn); drawRightPanel.add(jsp); drawRightPanel.add(buttonPanel, BorderLayout.SOUTH); contant.setPreferredSize(new Dimension(0, 20)); drawLeftPanel.add(contant, BorderLayout.NORTH); drawLeftPanel.add(centerPanel, BorderLayout.CENTER); drawLeftPanel.add(colorPanel, BorderLayout.SOUTH); drawPanel.add(drawLeftPanel); drawPanel.add(drawRightPanel, BorderLayout.EAST); this.add(drawPanel); centerPanel.addMouseListener(ma); centerPanel.addMouseMotionListener(ma); this.setVisible(true); g = (Graphics2D)centerPanel.getGraphics(); } //新增猜面板的函式 public void addGuessPanel() { contant.setText("猜的提示資訊"); sendBtn.setEnabled(false); drawLeftPanel.remove(colorPanel); drawLeftPanel.repaint(); this.setVisible(true); } //滑鼠監聽器 MouseAdapter ma = new MouseAdapter() { public void mousePressed(MouseEvent e) { x1 = e.getX(); y1 = e.getY(); }; public void mouseEntered(MouseEvent e) { if(color==null){ color=Color.black; } // System.out.println(i); g.setColor(color); }; public void mouseDragged(MouseEvent e) { int width=(int)box.getSelectedItem(); strock = new BasicStroke(width); g.setStroke(strock); int x2 = e.getX(); int y2 = e.getY(); g.drawLine(x1, y1, x2, y2); // x1 = x2; // y1 = y2; try { control.sendMsg1(socket.getOutputStream(), x1, y1, x2, y2,g.getColor().getRGB(),width); x1 = x2; y1 = y2; } catch (IOException e1) { } }; }; //傳送監聽器 ActionListener al =new ActionListener() { public void actionPerformed(ActionEvent e) { //獲取傳送框的內容 String str = jtf.getText(); if(str==null || str.equals("")){ JOptionPane.showMessageDialog(null, "傳送內容不能為空！"); }else{ try { control.dos.writeUTF(str); jtf.setText(""); } catch (IOException e1) { e1.printStackTrace(); } } } }; }
package com.huaxin.client; import java.awt.BasicStroke; import java.awt.Color; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.Socket; import javax.swing.JFrame; import javax.swing.JOptionPane; public class ClientCtroller { public Socket socket; public ClientUI ui; public DataInputStream dis; public DataOutputStream dos; // public ClientCtroller(Socket socket) { // this.socket=socket; // } // public ClientCtroller(Socket socket, JFrame ui) { this.socket = socket; this.ui =(ClientUI) ui; } public void dealwith() { try { InputStream ins =this.socket.getInputStream(); OutputStream ous =this.socket.getOutputStream(); dis=new DataInputStream(ins); dos = new DataOutputStream(ous); String msg = readMsg(socket.getInputStream()); if ("draw".equals(msg)) { // 如果是draw，則客戶端顯示畫的介面 ui.remove(ui.waitPanel); ui.addDrawPanel(); ui.sendBtn.setEnabled(false); ui.repaint(); // System.out.println("draw介面完畢比"); //接收要畫的資訊 String drawinfo=dis.readUTF(); //將要畫的資訊新增到面板上 ui.contant.setText("畫的東西為："+drawinfo); while(true){ String s=readMsg(ins); System.out.println("draw 接受到的資訊："+s); // System.out.println(s); //接收伺服器端傳送的猜的客戶端猜的訊息 if(!"data".equals(s)){ String s1=dis.readUTF(); System.out.println("s1："+s); //如果猜對了，則在畫的客戶端顯示猜對了 if("yes".equals(s1)){ // JOptionPane.showMessageDialog(null, "你猜對了！"); ui.jta.append("對方猜對了"+"\r\n"); } //否則畫的客戶端顯示猜的客戶單端的訊息 else{ ui.jta.append(s1+"\r\n"); } } } } if ("guess".equals(msg)) { // 如果是猜，則顯示猜的客戶端 String guessinfo=dis.readUTF(); ui.remove(ui.waitPanel); ui.addDrawPanel(); ui.addGuessPanel(); ui.contant.setText(guessinfo); ui.sendBtn.setEnabled(true); // ui.repaint(); // System.out.println("guess介面完畢比"); while(true){ //接收伺服器端的資料 String info =readMsg(ins); //如果是資料訊息 // System.out.println("猜客戶端接收的訊息為:"+info); if("data".equals(info)){ readMsg1(socket.getInputStream()); } //如果是自己傳送的猜的訊息 else if("msg".equals(info)){ //再次讀取一條訊息 String info2=dis.readUTF(); System.out.println("info2"+info2); if("yes".equals(info2)){ info2=dis.readUTF(); ui.jta.append(info2+"\r\n"); ui.jta.append("恭喜你猜對了......"); } else{ System.out.println("接收到的資訊為："+info2); ui.jta.append(info2+"\r\n"); } } // else{ // String info3=dis.readUTF(); // } } } } catch (Exception e) { e.printStackTrace(); } } // 傳送訊息的函式 public void sendMsg(OutputStream os, String s) throws IOException { // 向客戶端輸出資訊 // // System.out.println(s); byte[] bytes = s.getBytes(); os.write(bytes); os.write(13); os.write(10); os.flush(); } // 讀取客戶端輸入資料的函式 public String readMsg(InputStream ins) throws Exception { // 讀取客戶端的資訊 int value = ins.read(); // 讀取整行 讀取到回車（13）換行（10）時停止讀 String str = ""; while (value != 10) { // 點選關閉客戶端時會返回-1值 if (value == -1) { throw new Exception(); } str = str + ((char) value); value = ins.read(); } str = str.trim(); return str; } // 傳送訊息的函式 public void sendMsg1(OutputStream os, int x1, int y1, int x2, int y2,int color,int width) throws IOException { DataOutputStream dos = new DataOutputStream(os); // dos.writeUTF("data"); dos.writeInt(x1); dos.writeInt(y1); dos.writeInt(x2); dos.writeInt(y2); dos.writeInt(color); dos.writeInt(width); dos.flush(); } public void readMsg1(InputStream is) throws IOException { DataInputStream dis = new DataInputStream (is); int x1=dis.readInt(); int y1=dis.readInt(); int x2=dis.readInt(); int y2=dis.readInt(); int color =dis.readInt(); int width=dis.readInt(); Color c =new Color(color); BasicStroke strock = new BasicStroke(width); ui.g.setColor(c); ui.g.setStroke(strock); // System.out.println("ui:"+ui); ui.g.drawLine(x1, y1, x2, y2); // System.out.println("x1:"+x1+"y1:"+y1+"x2:"+x2+"y2:"+y2); } }
package com.huaxin.client;
public class ClientTest {
public static void main(String[] args) {
ClientUI ui = new ClientUI();
ui.initFrame();
}
}
五、專案執行結果：