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I am developing a code that consists of taking a letter and transforming it into a corresponding number (Example A->1, B->2...), and this letter is received through a input text.
I found a topic that helped me in the conversion part of these values here: Function that enumerates letters of the alphabet
however, I need to know how to perform this calculation with the letters that the user type
For now my code is like this:
index php.
<html>
<head>
<title> Leituras de Dados Excel </title>
</head>
<body>
<form action="excel.php" method="post">
<div style="background-color:blue; height:130px; width:190px; position:absolute; top: 250px; left:600px;">
<br>
<input id="1" name="coord1" type="text" class="input" style="position:relative; left:10; height:50px; width:50px; font-size:30px; text-transform: uppercase; text-align:center;" maxlength="1">
<input id="2" name="coord2" type="text" class="input" style="position:absolute; left:70; height:50px; width:50px; font-size:30px; text-transform: uppercase; text-align:center;"maxlength="1">
<input id="3" name="coord3" type="text" class="input" style="position:absolute; left:130; height:50px; width:50px; font-size:30px; text-transform: uppercase; text-align:center;"maxlength="1">
<br>
<br>
<input type="submit" value="Converter" style="position:relative; left:55;">
</div>
</form>
</body>
</html>
excel.php
<?php
$coord1 = $_REQUEST['coord1'];
$coord2 = $_REQUEST['coord2'];
$coord3 = $_REQUEST['coord3'];
$coordenadaFinal = $coord1."-".$coord2."-".$coord3;
?>
<html>
<head><tile>Resultado</tile>
<script type="text/javascript">
function primeira(){
function converte(letras) {
var alfabeto = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var codigos = [];
for (var i in letras) {
codigos.push(alfabeto.indexOf(letras[i].toUpperCase()) + 1);
}
return codigos;
}
resultado = converte("l");
for (var i in resultado) {
alert(resultado);
}
} // fim da function geral
function segunda(){
function converte(letras) {
var alfabeto = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var codigos = [];
for (var i in letras) {
codigos.push(alfabeto.indexOf(letras[i].toUpperCase()) + 27);
}
return codigos;
}
resultado = converte("l");
for (var i in resultado) {
alert(resultado);
}
} // fim da function geral
function terceira(){
function converte(letras) {
var alfabeto = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var codigos = [];
for (var i in letras) {
codigos.push(alfabeto.indexOf(letras[i].toUpperCase()) + 703);
}
return codigos;
}
resultado = converte("o");
for (var i in resultado) {
alert(resultado);
}
} // fim da function geral
</script>
</head>
<body>
<div id="resposta" style="background-color:blue; height:130px; width:190px; position:absolute; top: 250px; left:600px; font-size:30px; color:white;">
<p>Você inseriu:</p>
<p><?php echo strtoupper($coordenadaFinal) ; ?></p>
<input type="button" value="Voltar" onclick="javascript: location.href='index.php';" >
<input type="button" value="Mostrar valor 1" onclick="primeira()" >
<input type="button" value="Mostrar valor 2" onclick="segunda()" >
<input type="button" value="Mostrar valor 3" onclick="terceira()" >
</div>
</body>
</html>
Everything is working properly, it receives the variables that at first I should treat, and performs the function with the values I have established correctly within resultado = converte("alguma letra");, however I am unable to pass to the value of Function the letter the user has typed and which is stored in cood1, coord2 and coord3.
I’ve tried a few things like: result = convert("coord1"); result = convert(coord1); result = convert($_REQUEST['coord1']);
But I was unsuccessful in any of them... Thank you in advance :)
Try it this way
resultado = converte("<?php echo $coord1;?>");– Augusto
Worked perfectly - Thanks
– Rafa Zanezi