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Download Apertura de Applet con Swing
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Alumna: Keren Monge Cid
Materia: Web Application Development
Ticher: Alejandro S. Álvarez Cifuentes
Grupo: 3CM2
Apertura de Applet con Swing
Código en Java:
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
public class Tarea2conSwing extends JApplet implements ActionListener {
JPanel p, p2; JLabel l1, l2, l3; JButton b, g, cls; JTextArea ta;
BufferedReader br; JFileChooser fd; String arch, ruta, texto;
BufferedWriter bw; Container c; File f;
public void init() {
p = new JPanel();
l1 = new JLabel("Archivo:",2);
l2 = new JLabel("Guardar:",2);
l3 = new JLabel("Limpiar:",2);
b = new JButton("Abrir"); b.addActionListener(this);
g = new JButton("Guardar"); g.addActionListener(this);
cls = new JButton("Limpiar"); cls.addActionListener(this);
ta = new JTextArea();
c = getContentPane();
c.setLayout(new GridLayout(1,1));
p.add(l1);
p.add(b);
p.add(l2);
p.add(g);
p.add(l3);
p.add(cls);
c.add("North",p);
c.add("South",ta);
setSize(600, 300);
}
public void actionPerformed(ActionEvent e) {
String s = e.getActionCommand();
if(s.equals("Abrir")){
fd = new JFileChooser();
fd.setVisible(true);
System.out.println(ruta);
if(fd.showOpenDialog(this)== JFileChooser.APPROVE_OPTION){
f = fd.getSelectedFile();
ruta = f.getPath();
try{
br = new BufferedReader(new FileReader(ruta));
while((texto = br.readLine()) != null)
ta.append(texto + "\n");
br.close();
}catch(IOException ioe){}
}
}
if(s.equals("Guardar")){
fd = new JFileChooser();
fd.setVisible(true);
if(fd.showSaveDialog(this)== JFileChooser.APPROVE_OPTION){
f = fd.getSelectedFile();
ruta = f.getPath();
try{
bw = new BufferedWriter(new FileWriter(ruta +".txt"));
bw.write(ta.getText());
bw.close();
}catch(IOException ioe){}
}
}
if(s.equals("Limpiar"))
ta.setText("");
}
}
Código en HTML:
<HTML>
<BODY>
<APPLET code="Tarea2conSwing.class" archive= "Tarea2conSwing.jar" width=600 height=400>
</APPLET>
</BODY>
</HTML>
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