用php实现加减乘除计算器。代码很简单哦!
<BR><?php <BR>header("content-type:text/html;charset=utf-8"); <BR>session_start(); <BR>?> <BR> <BR> <BR> <BR><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <BR><title>简单计算机</title> <BR> <BR><body> <BR> <BR>第一个数<br /> <BR>计算符号 <BR>+ <BR>- <BR>* <BR>/ <BR><br /> <BR>第二个数<br /> <BR><br /> <BR><b style="color:transparent">本文来源gao@!dai!ma.com搞$$代^@码!网!</b><strong>搞gaodaima代码</strong> <BR> <BR> <BR><?php <BR>$num1=$_POST['num1']; <BR>$num2=$_POST['num2']; <BR>$oper=$_POST['oper']; <BR>$rs=0; <BR>switch($oper){ <BR>case "+": <BR>$rs=$num1+$num2; <BR>break; <BR>case "-": <BR>$rs=$num1-$num2; <BR>break; <BR>case "*": <BR>$rs=$num1*$num2; <BR>break; <BR>case "/": <BR>$rs=$num1/$num2; <BR>break; <BR>default: echo "您输入的不正确"; <BR>} <BR>$_SESSION['rs']=$rs; <BR>echo '计算结果为:'.$_SESSION['rs']; <BR>?> <BR>