Paparan kod keseluruhan
1, direktori projek
2, semua paparan kod:
index.php:
Shape.class.php:
Cirle.class.php:
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>圖形計算器</title>
<style>
* {
margin: 0px;
padding: 0px;
}
#contains {
width: 500px;
margin: 20px auto;
background: skyblue;
text-align: center;
}
h1 {
width: 500px;
height: 60px;
}
a {
font-size: 20px;
text-decoration: none;
}
#footer {
width: 300px;
background: #fff;
margin: 0 auto;
padding: 5px 10px;
border-radius: 150px;
}
</style>
</head>
<body>
<div id="contains">
<h1>簡易圖形計算器</h1>
<a href='index.php?action=rect'>矩形</a> |
<a href='index.php?action=triangle'>三角形</a> |
<a href='index.php?action=cirle'>圓形</a> |
<a href='index.php?action=sphere'>球體</a>
<hr>
<?php
ini_set("display_errors", "On"); //開啟錯誤調(diào)試
//設(shè)置錯誤報告的級別，除了無關(guān)緊要的'注意'，其他的報告都輸出
error_reporting(E_ALL & ~E_NOTICE);
function __autoload($classname) { //魔術(shù)方法 自動加載類
require "./$classname.class.php"; //將類名轉(zhuǎn)化成小寫
}
if (!empty($_GET['action'])) {
// echo "傳送成功";
$classname = ucfirst($_GET['action']);
$shape = new $classname($_POST);
$shape->view($_POST);
if (isset($_POST['sub'])) {
echo "<div id='footer'>";
if($shape->name!='球體'){
if ($shape->yan($_POST)) {
echo "<b>".$shape->name."的周長".$shape->zhou()."</b>"."<br>";
echo "<br>";
echo "<b>".$shape->name."的面積".$shape->area()."</b>"."<br>";
}else {
echo "<b>錯誤：$shape->error</b>";
}
echo "</div>";
}else{
if ($shape->yan($_POST)) {
echo "<b>".$shape->name."的表面積".$shape->area()."</b>"."<br>";
echo "<br>";
echo "<b>".$shape->name."的體積".$shape->zhou()."</b>"."<br>";
}else {
echo "<b>錯誤：$shape->error</b>";
}
echo "</div>";
}
}
} else {
echo "請選擇一個圖形";
}
?>
</div>
</body>
</html>
Sphere.class.php:
<?php
abstract class Shape {
private $name;
private $error;
abstract function area();
abstract function zhou();
abstract function view($arr);
abstract function yan($arr);
}
?>
Sfera.class.php:
