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October 23, 2013 23:50
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validation and ajax call 2
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| <?php | |
| include("conn.php"); | |
| $nombre= $_POST['nombre']; | |
| $apellido= $_POST['apellido']; | |
| $user = $_POST['user']; | |
| $pass= $_POST['pass']; | |
| $email = $_POST['email']; | |
| //Comprueba si el Usuario ya existe en la BD | |
| $sql="SELECT user,email FROM usuarios WHERE user = $user OR email = $email"; | |
| $res = mysql_query($sql, $link); | |
| $numRow = ($res) ? mysql_num_rows($res) : 0; | |
| if($numRow != 0){ | |
| $row = mysql_fetch_assoc($consulta); | |
| $resp = false; | |
| $field = ($row["user"] == $user) ? "user" : "mail"; | |
| $msj = ($field == "user") ? "<span class='fail'><p>Ese Usuario ya está registrado.</p></span>" : "<span class='fail'><p>Ese Email está siendo usado por otro Usuario.</p></span>"; | |
| }else{ | |
| $resp = true; | |
| $field = ""; | |
| $msj = "<span class='ok'><p>Se ha registrado correctamente.</p></span>"; | |
| } | |
| $arr = array( | |
| "registro"=>$resp, | |
| "msg"=> $msj, | |
| "campo" => $field | |
| ); | |
| echo json_encode($arr); | |
| ?> |
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| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <script type="text/javascript" src="script.js"></script> | |
| </head> | |
| <body> | |
| <form action="" method="POST" id="regForm"> | |
| <div id="resp"></div> | |
| <input type="text" name="nombre" placeholder="Nombre" id="nombre"> | |
| <input type="text" name="apellido" placeholder="Apellido" id="apellido"> | |
| <input type="text" name="us" placeholder="Usuario" id="us"> | |
| <input type="password" name="pas" placeholder="Contraseña" id="pas"> | |
| <input type="email" name="mail" placeholder="Email" id="mail" > | |
| <input type="button" value="Registrarse" href='#' class="button" onclick="javascript: registro(3)"> | |
| </form> | |
| </body> | |
| </html> |
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| function crearXMLHttpRequest() | |
| { | |
| var xmlHttp=null; | |
| if (window.ActiveXObject) | |
| xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); | |
| else | |
| if (window.XMLHttpRequest) | |
| xmlHttp = new XMLHttpRequest(); | |
| return xmlHttp; | |
| } | |
| function highLightInput(input){ | |
| return function(){ | |
| input.style.border='1px solid #ccc'; | |
| } | |
| } | |
| function showFormWarnning(input,fieldName){ | |
| var msj = "<span class='fail'><p>Por favor completa el campo "+fieldName+".</p></span>"; | |
| showFowmWarnningStep2(input, msj); | |
| } | |
| function showFowmWarnningStep2(input, msj){ | |
| var detalles = document.getElementById("resp"); | |
| detalles.innerHTML = msj; | |
| input.focus(); | |
| input.style.border="1px solid #E30022"; | |
| setTimeout(highLightInput(input), 1000); | |
| } | |
| function validateField(objField){ | |
| if(objField.input.value.length == 0){ | |
| showFormWarnning(objField.input, objField.fieldName); | |
| return false; | |
| } | |
| return true; | |
| } | |
| function registro(act){ | |
| // | |
| // Validar que todos lo campos esten completos | |
| var form = document.getElementById("regForm"); | |
| var fields = [ | |
| { input: form.nombre, fieldName: "Nombre"}, | |
| { input: form.apellido, fieldName: "Apellido"}, | |
| { input: form.us, fieldName: "Usuario"}, | |
| { input: form.pas, fieldName: "Contraseña" }, | |
| { input: form.mail, fieldName: "Email"} | |
| ]; | |
| if(fields.every(validateField)) | |
| { | |
| conexion=crearXMLHttpRequest(); | |
| conexion.onreadystatechange = procesarEventos; | |
| conexion.open('POST', 'ajax.php', true); | |
| conexion.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); | |
| conexion.send( | |
| 'nombre='+ form.nombre.value+ | |
| '&apellido='+ form.apellido.value+ | |
| '&user='+ form.us.value+ | |
| '&email='+ form.mail.value+ | |
| '&pass='+ form.pas.value+ | |
| '&act='+ act); | |
| } | |
| } | |
| function procesarEventos() | |
| { | |
| var detalles = document.getElementById("resp"); | |
| if(this.readyState == 4) | |
| { | |
| console.log(this.responseText); | |
| var resp = JSON.parse(this.responseText); | |
| var registro= resp.registro; | |
| var msg= resp.msg; | |
| var campo = resp.campo; | |
| if (registro) { //Si no hay errores, se procede a avisar del registro correcto | |
| detalles.innerHTML = msg; | |
| document.getElementById("regForm").reset(); | |
| }else{ | |
| if(campo == 'user'){ //Si el usuario esta registrado | |
| var input = document.getElementById("regForm").us; | |
| }else if (campo == 'email'){ // Si el email ya esta registrado, se envia el mensaje | |
| var input = document.getElementById("regForm").mail; | |
| } | |
| showFowmWarnningStep2(input, msg); | |
| } | |
| }else{ | |
| detalles.innerHTML = '<img src="img/loading.gif">'; | |
| } | |
| } |
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