Script calculator cu php
Scris: Mar Oct 15, 2013
Dupa ceva timp de citit php m-am gandit sa pun si in practica ceva din ce am invatat si am creat un script micut pentru un calculator, dar ca sa aflu si parerea unor persoane cu experienta mult mai mare, am sa il pun aici ca sa aflu si eu ce e bun, ce nu...daca il puteam face cu mai putin cod php, etc.
Acesta este partea de HTML dar are inclus si un mic script javascript:
Iar acesta este scriptul php:
Cam asta e tot, astept parerile voastre, mie unul mi se pare cam mult cod, probabil se putea si mai simplu.
Acesta este partea de HTML dar are inclus si un mic script javascript:
Cod: Selectaţi tot
<html>
<head>
<title>calculator</title>
<link rel="stylesheet" type="text/css" href="css.css"></link>
</head>
<body>
<center>
<div style="top:30px; left:550px; background-color:Aquamarine; border-radius:10px; padding:30px 30px 10px 30px; width:px; position:absolute;">
/// aici vine pus scriptul php pt a afisa rezultatul deasupra liniei de jos
<hr color='#ffffff'>
<form action="calculator.php" method="POST"><br />
<input type="text" name="unu" size="5"/>
<select name="semn1">
<option value=''></option>
<option value="5">+</option>
<option value="10">-</option>
<option value="15">x</option>
<option value="20">:</option>
</select>
<input type='text' name='doi' size='5'/>
<font id='par'></font>
//acesta este javascript-ul cand se apasa pe buton apare casuta pt al treilea numar
<script>
function apasarebuton()
{
document.getElementById("par").innerHTML="<select name='semn2'><option value=''></option><option value='100'>+</option><option value='130'>-</option><option value='160'>x</option><option value='190'>:</option></select> <input type='text' name='trei' size='5'/><br />";
}
</script>
<input type="submit" name='egal' value="Egal"/>
<input id='par' type="button" onclick="apasarebuton()"value='+++'/><br />
</form>
</div>
</center>
</body>
</html>Cod: Selectaţi tot
<?php
//aici am preluat datele din formulare
@$unu = $_POST['unu'];
@$doi = $_POST['doi'];
@$trei = $_POST['trei'];
@$semn1 = $_POST['semn1'];
@$semn2 = $_POST['semn2'];
/*operatorilor artimetici le-am dat ca si valoare numere iar aici
am creat o variabila caruia i-am dat ca valoare suma dintre cele
dou variabile pt a o putea folosi ca si valoare pt instructiunea case*/
$iesire = $semn1 + $semn2;
//aici am realizat toate operatiile posibile cu doua sau trei numere
$a = $unu + $doi;
$aa = $a + $trei;
$as = $a - $trei;
$ain = $a * $trei;
@$aim = $a / $trei;
$s = $unu - $doi;
$ss = $s - $trei;
$sa = $s + $trei;
$sin = $s * $trei;
@$sim = $s / $trei;
$in = $unu * $doi;
$inin = $in * $trei;
$ina = $in + $trei;
$ins = $in - $trei;
@$inim = $in / $trei;
@$im = $unu / $doi;
@$imim = $im / $trei;
$ima = $im + $trei;
$ims = $im - $trei;
$imin = $im * $trei;
// 5, 10, 15, 20, ... 100, 130, 160, 190
//aici este instructiunea switch care arata rezultatul, am incercat
ci if dar n-am reusit
switch(isset($_POST['egal']))
{
case($iesire == 111):
echo "<marquee behavior='slide' height='40' scrolldelay='100' direction='up'><font id='paragraf'><b>Salutare!!</b></font></marquee>";
break;
case($iesire == 5):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu + $doi = $a</b></font></marquee>";
break;
case($iesire == 10):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu - $doi = $s</b></font></marquee>";
break;
case($iesire == 15):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu . $doi = $in</b></font></marquee>";
break;
case($iesire == 20):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu : $doi = $im</b></font></marquee>";
break;
case($iesire == 105):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu + $doi + $trei = $aa</b></font></marquee>";
break;
case($iesire == 135):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu + $doi - $trei = $as</b></font></marquee>";
break;
case($iesire == 165):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu + $doi . $trei = $ain</b></font></marquee>";
break;
case($iesire == 195):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu + $doi : $trei = $aim</b></font></marquee>";
break;
case($iesire == 140): //
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu - $doi - $trei = $ss</b></font></marquee>";
break;
case($iesire == 110):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu - $doi + $trei = $sa</b></font></marquee>";
break;
case($iesire == 170):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu - $doi . $trei = $sin</b></font></marquee>";
break;
case($iesire == 200):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu - $doi : $trei = $sim</b></font></marquee>";
break;
case($iesire == 175): //
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu . $doi . $trei = $inin</b></font></marquee>";
break;
case($iesire == 115):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu . $doi + $trei = $ina</b></font></marquee>";
break;
case($iesire == 145):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu . $doi - $trei = $ins</b></font></marquee>";
break;
case($iesire == 205):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu . $doi : $trei = $inim</b></font></marquee>";
break;
case($iesire == 210): //
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu : $doi : $trei = $imim</b></font></marquee>";
break;
case($iesire == 120):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu : $doi + $trei = $ima</b></font></marquee>";
break;
case($iesire == 150):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu : $doi - $trei = $ims</b></font></marquee>";
break;
case($iesire == 180):
echo "<marquee behavior='slide' height='35' scrolldelay='100' direction='up'><font id='paragraf'><b>$unu : $doi . $trei = $imin</b></font></marquee>";
break;
default:
echo "<marquee behavior='slide' height='50' scrolldelay='100' direction='up'><font id='paragraf'><b><i>Hey...incearca sa alegi semnul corespunzator<br />pentru a efectua operatia dorita!!</i></b></font></marquee>";
}
?>