java基于C/S模式实现聊天程序（客户端）

package client;import java.awt.*;import java.awt.event.*;import java.io.*;import java.net.*;import java.util.*;import javax.swing.*;public class Client extends JFrame { Socket clientsocket = null; DataInputStream in = null; DataOutputStream out = null; JTextArea inputText; String SerAddress = "192.168.1.100"; int SendPort = 8888; JTextField NickName; JTextArea textShow; JButton button, setbutton; public Client() { // 构造函数，创建一个布局并初始化 init(); setVisible(true); setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); setBounds(480, 160, 340, 460); setTitle("好好学习天天向上聊天室"); setResizable(false); } void init() { // 初始化函数，设置布局并且设置监视器 inputText = new JTextArea(4, 29); button = new JButton("  发送  "); JLabel label = new JLabel("昵称"); setbutton = new JButton("  登录  "); textShow = new JTextArea(15, 29); textShow.setEditable(false); NickName = new JTextField(10); inputText.setBackground(new Color(45, 210, 209)); setLayout(new FlowLayout()); getContentPane().setBackground(new Color(20, 85, 237)); add(new JScrollPane(textShow)); textShow.setBackground(new Color(45, 210, 209)); setbutton.setBackground(new Color(236, 134, 21)); button.setBackground(new Color(236, 134, 21)); NickName.setBackground(new Color(45, 210, 209)); label.setForeground(new Color(243, 243, 14)); add(label); add(NickName); add(setbutton); add(new JScrollPane(inputText)); add(button); setbutton.addActionListener(new ActionListener() {  //添加监视器  public void actionPerformed(ActionEvent e) {  Thread readData;  Read read = null;  try {   clientsocket = new Socket();   read = new Read();   readData = new Thread(read);   if (clientsocket.isConnected()) {   } else {   InetAddress address = InetAddress.getByName(SerAddress);   InetSocketAddress socketAddress = new InetSocketAddress(    address, SendPort);   clientsocket.connect(socketAddress);   textShow.append(new java.text.SimpleDateFormat(    "yy-MM-dd HH:mm:ss").format(new Date())    + "/n与服务器连接成功/n已登录聊天室/n");   in = new DataInputStream(clientsocket.getInputStream());   out = new DataOutputStream(clientsocket    .getOutputStream());   read.setDataInputStream(in);   readData.start();   }  } catch (Exception e1) {   textShow.append(new java.text.SimpleDateFormat(    "yy-MM-dd HH:mm:ss").format(new Date())    + "/n服务器连接失败/n");  }  } }); button.addActionListener(new ActionListener() {  public void actionPerformed(ActionEvent e) {  Send send = new Send();  Thread sendData = new Thread(send);  send.setDataOutputStream(out);  sendData.start();  } }); addWindowListener(new WindowAdapter() {  //响应关闭按钮的功能  public void windowClosing(WindowEvent e) {  int option = JOptionPane   .showConfirmDialog(null, "亲爱的你真的要离开聊天室么？",    " 好好学习，天天向上", JOptionPane.YES_NO_OPTION,    JOptionPane.QUESTION_MESSAGE);  if (option == JOptionPane.YES_OPTION)   System.exit(0);  } }); } // init结束 class Read implements Runnable {  //读取输入流的线程 DataInputStream in; public void setDataInputStream(DataInputStream in) {  this.in = in; } public void run() {  String result;  while (true) {  try {   result = in.readUTF();   textShow.append(new java.text.SimpleDateFormat(    "yy-MM-dd HH:mm:ss").format(new Date())    + "/n"    + result);  } catch (IOException e) {   textShow.append(new java.text.SimpleDateFormat(    "yy-MM-dd HH:mm:ss").format(new Date())    + "/n与服务器断开连接/n");   break;  }  } } } class Send implements Runnable {  // 发送消息的输出流线程  DataOutputStream out; public void setDataOutputStream(DataOutputStream out) {  this.out = out; } public void run() {  String message = null;  message = NickName.getText() + ":" + inputText.getText() + "/n";  try {  out.writeUTF(message);  inputText.setText("");  } catch (Exception e2) {  textShow.append("发送失败：未连接到服务器/n");  } } } public static void main(String args[]) { Client client = new Client(); }}