?? chatapplet1.java
字號:
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.net.*;
import java.io.*;
public class chatApplet extends Applet implements Runnable{
BufferedReader in;
PrintWriter out;
private boolean isStandalone = false;
TextArea textArea1 = new TextArea();
TextField textField1 = new TextField();
BorderLayout borderLayout1 = new BorderLayout();
//Get a parameter value
public String getParameter(String key, String def) {
return isStandalone ? System.getProperty(key, def) :
(getParameter(key) != null ? getParameter(key) : def);
}
//Construct the applet
public chatApplet() {
}
//Initialize the applet
public void init() {
try {
jbInit();
in=null;
out=null;
try{
URL url=getCodeBase();
InetAddress inetadder=InetAddress.getByName(url.getHost());
Socket m_socket;
m_socket=new Socket(inetadder,5555);
in=new BufferedReader(new InputStreamReader(m_socket.getInputStream()));
out=new PrintWriter(new OutputStreamWriter(m_socket.getOutputStream()));
}
catch(Exception e){
}
new Thread(this).start();
}
catch(Exception e){
}
}
//Component initialization
private void jbInit() throws Exception {
this.setLayout(borderLayout1);
textArea1.setEditable(false);
textArea1.setEnabled(true);
textArea1.setText("");
textField1.setEditable(true);
textField1.setText("");
textField1.setVisible(true);
this.add(textArea1, BorderLayout.CENTER);
this.add(textField1, BorderLayout.SOUTH);
}
//Get Applet information
public String getAppletInfo() {
return "Applet Information";
}
//Get parameter info
public String[][] getParameterInfo() {
return null;
}
public boolean handleEvent(Event event){
String b=textField1.getText();
if((event.target==textField1)&&(event.id==Event.ACTION_EVENT))
{
textField1.setText("");
try {
out.write(b);
}
catch (Exception e) {
}
return true;
}
else
return super.handleEvent(event);
}
public void run(){
try{
while(true){
String s=in.readLine();
if(s!=null){
textArea1.append(s+"\n");
}
}
}
catch(Exception e){
textArea1.append("Network problem or Server down.\n");
}
}
public void stop(){
try{
out.write("leave");
}
catch(Exception e){
}
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -