Area;
JTextArea sendArea;
JTextField indexArea;
SvrCom server;
public void setServer(SvrCom server) {
this.server = server;
}
public ServerUI() {
super("服务器端");
Container contain = getContentPane();
contain.setLayout(new BorderLayout());
mainArea = new JTextArea();
JScrollPane mainAreaP = new JScrollPane(mainArea);
JPanel panel = new JPanel();
panel.setLayout(new BorderLayout());
sendArea = new JTextArea(3, 8);
JButton sendBtn = new JButton("发送");
sendBtn.addActionListener(new ActionListener()//
注册动作监听器
{
public void actionPerformed(ActionEvent ae) {
server.sendMsg(sendArea.getText());// 把信息传递到客户端
mainArea.append("【服务器】" + sendArea.getText() + "\n");// 把信息显示在服务器的聊天记录区域
sendArea.setText("");
}
});
JPanel tmpPanel = new JPanel();
indexArea = new JTextField(2);
indexArea.setText("0");
tmpPanel.add(sendBtn);
tmpPanel.add(indexArea);
panel.add(tmpPanel, BorderLayout.EAST);
panel.add(sendArea, BorderLayout.CENTER);
contain.add(mainAreaP, BorderLayout.CENTER);
contain.add(panel, BorderLayout.SOUTH);
setSize(500, 300);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
ServerUI ui = new ServerUI();
SvrCom server = new SvrCom(ui);// 创建并启动网络通讯线程,准备接受客户端数据包
}
}
/**
* 通讯类SvrCom负责守候数据到来
*/
class SvrCom extends Thread//
网络通讯类
{
Socket client;
ServerSocket soc;
BufferedReader in;
PrintWriter out;
ServerUI ui;
// ChatServer server;
public SvrCom(ServerUI ui) { // 初始化SvrCom类
this.ui = ui;
ui.setServer(this);
try {
soc = new ServerSocket(6666); // 开设服务器端口6666
System.out.println("启动服务器成功,等待端口号:6666");
client = soc.accept();// 当客户机请求连接时,创建一条链接
System.out.println("连接成功!来自" + client.toString());
in = new BufferedReader(new InputStreamReader(client
.getInputStream()));
out = new PrintWriter(client.getOutputStream(), true);
} catch (Exception ex) {
System.out.println(ex);
}
start();
}
public void
run() {// 用于监听客户端发送来的信息
String msg = "";
while (true) {
try {
msg = in.readLine();// 从in对象上读数据信息
} catch (SocketException ex) {
System.out.println(ex);
break;
} catch (Exception ex) {
System.out.println(ex);
}
if (msg != null &;&; msg.trim() != "") {
System.out.println(">>" + msg);
ui.mainArea.append(msg + "\n");
}
}
}
public void sendMsg(String msg) {// 用于发送信息
try {
out.println("【服务器】" + msg);// 把信息写入输出流
} catch (Exception e) {
System.out.println(e);
}
}
}