服务端:
import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; 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 javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTextArea; public class ChatFrameServer{ private PrintWriter pw; private JFrame frame; private JPanel pane_buttom; private JSplitPane pane_center; //显示内容的文本框,输入内容的文本框,发送内容按钮 private JScrollPane pane_showWindow; private JScrollPane pane_inputWindow; private JTextArea area_showWindow; private JTextArea area_inputWindow; private JButton btn_send; private Dimension dimension;//用于设置area_showWindow可拖拉的大小 //初始化 public ChatFrameServer() { frame = new JFrame(); pane_buttom = new JPanel(); pane_showWindow = new JScrollPane(); pane_inputWindow = new JScrollPane(); area_showWindow = new JTextArea(); area_inputWindow = new JTextArea(); pane_center = new JSplitPane(JSplitPane.VERTICAL_SPLIT, false, pane_showWindow, pane_inputWindow); btn_send = new JButton("发送"); dimension = new Dimension(50, 300); } //调用方法显示窗口 public void showFrame(){ initFrame(); initChatTextArea(); initButton(); btn_send(); socket(); } //主窗体 public void initFrame(){ frame.setTitle("服务端"); int width = (int)Toolkit.getDefaultToolkit().getScreenSize().getWidth(); int height = (int)Toolkit.getDefaultToolkit().getScreenSize().getHeight(); frame.setBounds(width / 2, height / 2, 400, 450); frame.setVisible(true); } //内容显示文本框和输入内容文本框 private void initChatTextArea(){ //取得视图焦点 pane_showWindow.getViewport().add(area_showWindow); pane_inputWindow.getViewport().add(area_inputWindow); //将显示文本域设置为不可编辑 area_showWindow.setEditable(false); //设置显示文本域可拖拉的大小 pane_showWindow.setMinimumSize(dimension); frame.add(pane_center, BorderLayout.CENTER); } //发送文件,发送内容按钮 public void initButton(){ pane_buttom.add(btn_send); frame.add(pane_buttom, BorderLayout.SOUTH); } private void btn_send(){ btn_send.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { String info = area_inputWindow.getText(); area_showWindow.append("服务端:"+info+"\r\n"); pw.println(info); area_inputWindow.setText(""); } }); } private void socket(){ ServerSocket ss; try { ss = new ServerSocket(9988); //等待连接 客户端 Socket s=ss.accept(); InputStreamReader isr=new InputStreamReader(s.getInputStream()); BufferedReader br=new BufferedReader(isr); //PrintWriter必须和socket有密切的关系 pw=new PrintWriter(s.getOutputStream(),true); //读取从客户端法发来的信息 while(true) { //读取从客户端发来的信息 String info=br.readLine(); //在文本栏里显示 area_showWindow.append("客户端:"+info+"\r\n"); } } catch (IOException e) { e.printStackTrace(); } } public static void main(String[] args) { ChatFrameServer chat = new ChatFrameServer(); chat.showFrame(); } }
客户端:
import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.Socket; import java.net.UnknownHostException; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTextArea; public class ChatFrame{ private PrintWriter pw; private JFrame frame; private JPanel pane_buttom; private JSplitPane pane_center; //显示内容的文本框,输入内容的文本框,发送内容按钮 private JScrollPane pane_showWindow; private JScrollPane pane_inputWindow; private JTextArea area_showWindow; private JTextArea area_inputWindow; private JButton btn_send; private Dimension dimension;//用于设置area_showWindow可拖拉的大小 //初始化 public ChatFrame() { frame = new JFrame(); pane_buttom = new JPanel(); pane_showWindow = new JScrollPane(); pane_inputWindow = new JScrollPane(); area_showWindow = new JTextArea(); area_inputWindow = new JTextArea(); pane_center = new JSplitPane(JSplitPane.VERTICAL_SPLIT, false, pane_showWindow, pane_inputWindow); btn_send = new JButton("发送"); dimension = new Dimension(50, 300); } //调用方法显示窗口 public void showFrame(){ initFrame(); initChatTextArea(); initButton(); btn_send(); socket(); } //主窗体 public void initFrame(){ frame.setTitle("客户端"); int width = (int)Toolkit.getDefaultToolkit().getScreenSize().getWidth(); int height = (int)Toolkit.getDefaultToolkit().getScreenSize().getHeight(); frame.setBounds(width / 2, height / 2, 400, 450); frame.setVisible(true); } //内容显示文本框和输入内容文本框 private void initChatTextArea(){ //取得视图焦点 pane_showWindow.getViewport().add(area_showWindow); pane_inputWindow.getViewport().add(area_inputWindow); //将显示文本域设置为不可编辑 area_showWindow.setEditable(false); //设置显示文本域可拖拉的大小 pane_showWindow.setMinimumSize(dimension); frame.add(pane_center, BorderLayout.CENTER); } //发送文件,发送内容按钮 public void initButton(){ pane_buttom.add(btn_send); frame.add(pane_buttom, BorderLayout.SOUTH); } private void btn_send(){ btn_send.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { String info = area_inputWindow.getText(); area_showWindow.append("客户端: "+info+"\r\n"); pw.println(info); area_inputWindow.setText(""); } }); } private void socket(){ try { Socket s = new Socket("127.0.0.1",9988); InputStreamReader isr=new InputStreamReader(s.getInputStream()); BufferedReader br=new BufferedReader(isr); pw=new PrintWriter(s.getOutputStream(),true); while(true){ //不停地读取从服务器端发来的信息 String info=br.readLine(); area_showWindow.append("服务端: "+info+"\r\n"); } } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } public static void main(String[] args) { ChatFrame chat = new ChatFrame(); chat.showFrame(); } }