location /jiaocheng {
    # 首页指向index.php
    if ($request_uri ~ ^/jiaocheng/?$) {
        rewrite ^ /jiaocheng/index.php last;
    }
    # 文章页：/jiaocheng/123.html 指向index.php?post=123
    if ($request_uri ~ ^/jiaocheng/(\d+)\.html$) {
        rewrite ^ /jiaocheng/index.php?post=$1 last;
    }
    # 分类页：/jiaocheng/sort/5 指向index.php?sort=5
    if ($request_uri ~ ^/jiaocheng/sort/(\d+)$) {
        rewrite ^ /jiaocheng/index.php?sort=$1 last;
    }
}

入口文件（jiaocheng/index.php）

<?php
if (!defined('EMLOG_ROOT')) {
    require_once '../../init.php';
}

// 检查插件是否启用
$jiaocheng_storage = Storage::getInstance('plugin_jiaocheng');
$is_open = $jiaocheng_storage->getValue('is_open', 'on');
if ($is_open !== 'on') {
    exit('教程插件已关闭');
}

// 验证密码（如果设置了）
$password = $jiaocheng_storage->getValue('password', '');
if (!empty($password) && (!isset($_POST['jiaocheng_pwd']) || $_POST['jiaocheng_pwd'] !== $password)) {
    echo '<form method="post" style="text-align:center;margin-top:50px;">';
    echo '<h3>请输入访问密码</h3>';
    echo '<input type="password" name="jiaocheng_pwd" placeholder="密码">';
    echo '<button type="submit">提交</button>';
    echo '</form>';
    exit;
}

// 引入显示逻辑
include_once 'jiaocheng_show.php';

<?php
if (!defined('EMLOG_ROOT')) {
    require_once '../../init.php';
}

// 检查插件是否启用
$jiaocheng_storage = Storage::getInstance('plugin_jiaocheng');
$is_open = $jiaocheng_storage->getValue('is_open', 'on');
if ($is_open !== 'on') {
    exit('教程插件已关闭');
}

// 验证密码
$password = $jiaocheng_storage->getValue('password', '');
if (!empty($password)) {
    session_start();
    // 密码验证通过则记录会话
    if (isset($_POST['jiaocheng_pwd']) && $_POST['jiaocheng_pwd'] === $password) {
        $_SESSION['jiaocheng_auth'] = true;
    }
    // 未通过验证则显示密码框
    if (!isset($_SESSION['jiaocheng_auth']) || $_SESSION['jiaocheng_auth'] !== true) {
        echo '<form method="post" style="text-align:center;margin-top:50px;">';
        echo '<h3>请输入访问密码</h3>';
        echo '<input type="password" name="jiaocheng_pwd" placeholder="密码">';
        echo '<button type="submit">提交</button>';
        echo '</form>';
        exit;
    }
}

// 引入显示逻辑
include_once 'jiaocheng_show.php';