Home  >  Article  >  Backend Development  >  用php简单实现加减乘除计算器_PHP

用php简单实现加减乘除计算器_PHP

WBOY
WBOYOriginal
2016-06-01 11:58:181924browse

用php实现加减乘除计算器。代码很简单哦!
复制代码 代码如下:
header("content-type:text/html;charset=utf-8");
session_start();
?>




简单计算机



第一个数

计算符号

第二个数






$num1=$_POST['num1'];
$num2=$_POST['num2'];
$oper=$_POST['oper'];
$rs=0;
switch($oper){
case "+":
$rs=$num1+$num2;
break;
case "-":
$rs=$num1-$num2;
break;
case "*":
$rs=$num1*$num2;
break;
case "/":
$rs=$num1/$num2;
break;
default: echo "您输入的不正确";
}
$_SESSION['rs']=$rs;
echo '计算结果为:'.$_SESSION['rs'];
?>
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn