html
<html>
<head>
<meta charset="UTF-8">
<title>责任链模式</title>
</head>
<body>
<h1>责任链模式举报</h1>
<form action="09.php" method="post">
<select name="lev" id="">
<option value="">全部类型</option>
<option value="1">粗口</option>
<option value="2">黄赌毒</option>
<option value="3">国家分裂</option>
</select>
<button type="submit">举报</button>
</form>
</body>
</html>
php
<?php header("Content-type:text/html;charset=utf-8"); $lev = $_POST[‘lev‘]; if ($lev == 1) { $process = new Broad(); $process->process(); }elseif ($lev == 2) { $process = new Admin(); $process->process(); }elseif ($lev == 3) { $process = new Police(); $process->process(); }else{ echo "一切正常"; } /** * 版主 */ class Broad { public function process() { echo "版主删帖"; } } /** * 管理员 */ class Admin { public function process() { echo "封号处理"; } } /** * 公安 */ class Police { public function process() { echo "被公安抓了"; } }
原文：https://www.cnblogs.com/Mishell/p/12182289.html