Expresión para convertir una cadena en un formato URL codificado
January 9th, 2007
Ahora veremos como utilizar la función escape() y unescape() para convertir en una cadena y codificar en un formato URL codificado y viceversa.
escape(expression:String)
Convierte el parámetro en una cadena y la codifica con un formato URL codificado donde todos los caracteres no alfanuméricos se sustituyen por secuencias hexadecimales %. Si se utiliza en una cadena con codificación URL, el símbolo de porcentaje (%) introduce caracteres de escape y no equivale al operador de módulo (%).
unescape(string:String)
Evalúa el parámetro x como una cadena, descodifica la cadena con formato URL codificado (convirtiendo todas las secuencias hexadecimales en caracteres ASCII) y devuelve la cadena.
En los botones para codificar y decodificar debemos poner el siguiente codigo:
- //codificar
- on (release) {
- texto.text = escape(texto.text);
- }
- //decodificar
- on (release) {
- texto.text = unescape(texto.text);
- }
Aquí mostramos un ejemplo de lo dicho:
Entry Filed under: ActionScript, Recursos Flash
25 Comments Add your own
1. Guillermo | April 3rd, 2007 at 16:44
Hola buenas. Me he encontrado un problema al intentar combinar textos con el Flash 8.
Antes, con flash 5 no me pasaba esto; ya que la codificación/decodificación era así:
buz%F3n / buzón
En flash 8 pasa a ser así:
buz%C3%B3n / buzón
y al ponerle a decodificar buz%F3n sale solo buz.
Espero que sepas ayudarme.
Un saludo!! (envíamelo al email, gracias)
2. ferran82 | April 3rd, 2007 at 17:19
hola.
no he entendido muy bien cual es tu problema. Si puedes aclarmelo un poco mas intentare ayudarte.
Un saludo
3. Guillermo | May 19th, 2007 at 16:01
Hola, vuelvo a ser yo.
Nada, decirte que ya lo solucioné hace mucho tiempo.
Este desajuste se produce porque Flash 5 utilizaba el UNICODE de la máquina local, y ya en MX y 8 se puede utilizar UNICODE o UTF-8, este último por defecto.
Para conmutarlo, hay que activar el “System.useCodepage = trueSystem.useCodepage = true”, en el primer fotograma (o donde lo necesites si quieres permitir combinarlos, como hice yo)
4. anik | June 14th, 2007 at 19:13
hola, tengo un problema,estoy haciendo un cdrom con flash, deseo k sea a pantalla completa. Mi problema:he creado botones para acceder a diferentes webs, pero estas solo se ven si sales de la pantalla completa. Existe solucion???gracias :)
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