利用PHP和Html ＋ javascript 编写一个简单的网页计算器程序，可以根据这种有趣的开发构架出更加有趣的网页。
1. [代码]PHP计算器
caculator
class calculate{
pbulic $text1;
public $text2;
public $text3;
function add($text1,$text2){
$text3 = $text1 + $text2;
$this->text1=$text1;
$this->text2=$text2;
echo "$_GET[add]";
}
function sub($text1,$text2){
$text3 = $text1 - $text2;
$this->text1=$text1;
$this->text2=$text2;
echo "$_GET[sub]";
}
function mul($text1,$text2){
$text3 = $text1 * $text2;
$this->text1=$text1;
$this->text2=$text2;
echo "$_GET[mul]";
}
function div($text1,$text2){
$text3 = $text1 / $text2;
$this->text1=$text1;
$this->text2=$text2;
echo "$_GET[div]";
}
function getresult(){
echo $text3 = ($text1 + $text2). ".$_GET[add]";
echo $text3 = ($text1 + $text2). ".$_GET[sub]";
echo $text3 = ($text1 + $text2). ".$_GET[mul]";
echo $text3 = ($text1 + $text2). ".$_GET[div]";
}
}
?>
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