Ciao a tutti, ho un dubbio...ho un form composto da 14 field....io vorrei fare la media di quei field...come faccio a prelevare i dati di quei field considerando che sono nella stessa pagina della media? quindi non devo usare le sessioni...che faccio?....tipo...ho un form che inserisce la velocità....per prendere il dato dal form...$_Get['Velocità'] va bene?...grazie!
Ti suggerisco di iniziare leggendo il manuale ufficiale:
http://www.php.net/manual/en/languag...s.external.php
http://www.php.net/manual/en/tutorial.forms.php
ho letto...è come ho fatto io...questo è il codice...
e come output mi dacodice:<? $var1 = $_POST["Velocita"]; $var2 = $_POST["Forza"]; $media= ($var1+$var2)/2; printf (" $media") ; ?>
codice:
Abilita la visualizzazione degli errori (tutti) e posta la form che stai utilizzando.
<form method="post" name="form1" action="<?php echo $editFormAction; ?>">
<table align="center">
<tr valign="baseline">
<td nowrap align="right">Nome:</td>
<td><input type="text" name="Nome" value="<?php
/* dichiariamo alcune importanti variabili per collegarci al database */
$DBhost = "localhost";
$DBuser = "root";
$DBpass = "********";
$DBName = "test";
$table = "nomi";
mysql_connect($DBhost,$DBuser,$DBpass) or die("Impossibile collegarsi al server");@mysql_select_db("$DBName") or die("Impossibile connettersi al database $DBName");
$prendi = "SELECT * FROM nomi ORDER BY RAND() LIMIT 1";
$risultato = mysql_query($prendi);
$riga = mysql_fetch_array($risultato, MYSQL_ASSOC);
$nome = $riga['Nome'];
echo($nome);
?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Cognome:</td>
<td><input type="text" name="Cognome" value="<?php
/* dichiariamo alcune importanti variabili per collegarci al database */
$DBhost = "localhost";
$DBuser = "root";
$DBpass = "********";
$DBName = "test";
$table = "cognomi";
mysql_connect($DBhost,$DBuser,$DBpass) or die("Impossibile collegarsi al server");@mysql_select_db("$DBName") or die("Impossibile connettersi al database $DBName");
$prendi = "SELECT * FROM cognomi ORDER BY RAND() LIMIT 1";
$risultato = mysql_query($prendi);
$riga = mysql_fetch_array($risultato, MYSQL_ASSOC);
$cognome = $riga['Cognome'];
echo($cognome);
?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Tecnica:</td>
<td><input type="text" name="Tecnica" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Eta:</td>
<td><input type="text" name="Eta" value="<? srand((double)microtime()*1000000);echo rand(16,31);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Numero:</td>
<td><input type="text" name="Numero" value="" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Vendita:</td>
<td><input type="text" name="Vendita" value="FALSE" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Squadra:</td>
<td><input type="text" name="Squadra" value="" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Forza:</td>
<td><input type="text" name="Forza" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Resistenza:</td>
<td><input type="text" name="Resistenza" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Velocita:</td>
<td><input type="text" name="Velocita" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Marcatura:</td>
<td><input type="text" name="Marcatura" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Contrasto:</td>
<td><input type="text" name="Contrasto" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Impegno:</td>
<td><input type="text" name="Impegno" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Posizione:</td>
<td><input type="text" name="Posizione" value="" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Colpo di testa:</td>
<td><input type="text" name="Colpo_di_testa" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Finalizzazione:</td>
<td><input type="text" name="Finalizzazione" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Tiro Dalla Distanza:</td>
<td><input type="text" name="Tiro_Dalla_Distanza" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Punizioni:</td>
<td><input type="text" name="Punizioni" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Passaggi:</td>
<td><input type="text" name="Passaggi" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Cross:</td>
<td><input type="text" name="Cross" value="<? srand((double)microtime()*1000000);echo rand(1,20);?>" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Stipendio:</td>
<td><input type="text" name="Stipendio" value="" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Partite Giocate:</td>
<td><input type="text" name="Partite_Giocate" value="0" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Gol:</td>
<td><input type="text" name="Gol" value="0" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Assist:</td>
<td><input type="text" name="Assist" value="0" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Uomo Partita:</td>
<td><input type="text" name="Uomo_Partita" value="0" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Media Voto:</td>
<td><input type="text" name="Media_Voto" value="0" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Abilita Media:</td>
<td><input type="text" name="Abilita_Media" value="<? $var1 = $_GET["form1"]; $var2 = $_GET["form1.Forza"]; $media= ($var1+$var2)/2; printf (" $media") ; ?> " size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Num:</td>
<td><input type="text" name="Num" value="" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right"></td>
<td><input type="submit" value="Insert record"></td>
</tr>
</table>
<input type="hidden" name="MM_insert" value="form1">
</form>
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