Created
March 14, 2014 08:52
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AJAX: Envío de datos (Enviar por GET)
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| <!doctype html> | |
| <html lang="es"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Ejemplo de formulario con AJAX</title> | |
| <style> | |
| body { | |
| font-size: 14px; | |
| text-align: center; | |
| } | |
| input, textarea { | |
| display: block; | |
| margin: 0 auto; | |
| margin-top: 1.2em; | |
| padding: 0.5em; | |
| font-size: 1em; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Envíame tu mensaje</h1> | |
| <input type="text" id="nombre" placeholder="Tu nombre"> | |
| <input type="text" id="asunto" placeholder="El asunto"> | |
| <input type="email" id="correo" placeholder="Tu e-mail"> | |
| <textarea name="mensaje" id="mensaje" cols="30" rows="10"></textarea> | |
| <input type="button" onclick="enviar()" value="contactar"> | |
| <p id="respuesta"></p> | |
| <script> | |
| /** | |
| * Método que envia los datos por AJAX | |
| */ | |
| function enviar() { | |
| oXML = AJAXCrearObjeto() | |
| oXML.onreadystatechange = procesaRespuesta | |
| oXML.open("GET", "procesar.php?" + crearCadenaGET(), true) | |
| oXML.send(''); | |
| } | |
| /** | |
| * Método que forma la cadena GET | |
| * @return String sTotal | |
| */ | |
| function crearCadenaGET() { | |
| var sNom = encodeURIComponent(document.getElementById('nombre').value) | |
| var sAsunto = encodeURIComponent(document.getElementById('asunto').value) | |
| var sCorreo = encodeURIComponent(document.getElementById('correo').value) | |
| var sMens = encodeURIComponent(document.getElementById('mensaje').value) | |
| var sTotal = 'nombre=' + sNom + '&asunto=' + sAsunto | |
| + '&correo=' + sCorreo + '&mensaje=' + sMens + '&nocache=' | |
| + Math.random() | |
| return sTotal | |
| } | |
| /** | |
| * Método que crea el objeto XMLHttp (AJAX) | |
| */ | |
| function AJAXCrearObjeto() { | |
| if(window.XMLHttpRequest) { | |
| return new XMLHttpRequest() | |
| } else if(window.ActiveXObject) { | |
| return new ActiveXObject("Microsoft.XMLHTTP") | |
| } | |
| } | |
| /** | |
| * Método que espera a que la informacion se reciba, después | |
| * lo imprime en el HTML | |
| */ | |
| function procesaRespuesta() { | |
| if(oXML.readyState == 4) { | |
| document.getElementById("respuesta").innerHTML = oXML.responseText | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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