php制作计算器的问题

2025-04-26 19:38:38

推荐回答（1个）

回答1：

<br>计算器<br>

method=post>
操作数1:
type=text
name=num1>

操作数2:
type=text
name=num2>

选择你要进行的操作

type=radio
name=operation
value="加"
checked>加

type=radio
name=operation
value="减">减

type=radio
name=operation
value="乘">乘

type=radio
name=operation
value="除">除

type=submit>type=reset>

$num1
=
$_POST["num1"];
$num2
=
$_POST["num2"];
$op
=
$_POST["operation"];
switch($op){
case
"加":
echo
$num1;
echo
"
+
";
echo
$num2;
echo
"
=
";
echo
$num1
+
$num2;
break;
case
"减":
echo
$num1;
echo
"
-
";
echo
$num2;
echo
"
=
";
echo
$num1
-
$num2;
break;
case
"乘":
echo
$num1;
echo
"
*
";
echo
$num2;
echo
"
=
";
echo
$num1
*
$num2;
break;
case
"除":
echo
$num1;
echo
"
/
";
echo
$num2;
echo
"
=
";
echo
$num1
/
$num2;
break;
}
?>