WordPress 自定义数据表管理界面及前端模版
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<?php
/**
 * Plugin Name: Custom Content Manager
 * Description: A plugin to manage custom posts, categories, and tags with custom tables.
 * Version: 1.0
 * Author: Your Name
 * License: GPL2
 */

// Prevent direct access
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

// Create custom table structure
function custom_content_manager_create_tables() {
    global $wpdb;

    $table_name_posts     = $wpdb->prefix . 'custom_posts';
    $table_name_categories = $wpdb->prefix . 'custom_categories';
    $table_name_tags       = $wpdb->prefix . 'custom_tags';
    $table_name_post_category = $wpdb->prefix . 'custom_post_category';
    $table_name_post_tag = $wpdb->prefix . 'custom_post_tag';

    $charset_collate = $wpdb->get_charset_collate();

    // Create custom_posts table
    $sql = "CREATE TABLE $table_name_posts (
        id BIGINT(20) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
        title VARCHAR(255) NOT NULL,
        content TEXT NOT NULL,
        post_status ENUM('publish', 'draft') DEFAULT 'draft',
        created_at DATETIME DEFAULT CURRENT_TIMESTAMP
    ) $charset_collate;";
    require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
    dbDelta( $sql );

    // Create custom_categories table
    $sql = "CREATE TABLE $table_name_categories (
        id BIGINT(20) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
        name VARCHAR(255) NOT NULL,
        parent_id BIGINT(20) UNSIGNED DEFAULT NULL,
        created_at DATETIME DEFAULT CURRENT_TIMESTAMP
    ) $charset_collate;";
    dbDelta( $sql );

    // Create custom_tags table
    $sql = "CREATE TABLE $table_name_tags (
        id BIGINT(20) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
        name VARCHAR(255) NOT NULL,
        created_at DATETIME DEFAULT CURRENT_TIMESTAMP
    ) $charset_collate;";
    dbDelta( $sql );

    // Create custom_post_category relationship table
    $sql = "CREATE TABLE $table_name_post_category (
        post_id BIGINT(20) UNSIGNED NOT NULL,
        category_id BIGINT(20) UNSIGNED NOT NULL,
        PRIMARY KEY (post_id, category_id)
    ) $charset_collate;";
    dbDelta( $sql );

    // Create custom_post_tag relationship table
    $sql = "CREATE TABLE $table_name_post_tag (
        post_id BIGINT(20) UNSIGNED NOT NULL,
        tag_id BIGINT(20) UNSIGNED NOT NULL,
        PRIMARY KEY (post_id, tag_id)
    ) $charset_collate;";
    dbDelta( $sql );
}
register_activation_hook( __FILE__, 'custom_content_manager_create_tables' );

// Admin menu: Post, Category, and Tag page menu
function custom_content_manager_menu() {
    add_menu_page( 'Custom Content Manager', 'Content Manager', 'manage_options', 'custom-content-manager', 'custom_content_manager_dashboard', 'dashicons-admin-post', 6 );

    add_submenu_page( 'custom-content-manager', 'Manage Posts', 'Manage Posts', 'manage_options', 'manage-posts', 'custom_content_manager_manage_posts' );
    add_submenu_page( 'custom-content-manager', 'Manage Categories', 'Manage Categories', 'manage_options', 'manage-categories', 'custom_content_manager_manage_categories' );
    add_submenu_page( 'custom-content-manager', 'Manage Tags', 'Manage Tags', 'manage_options', 'manage-tags', 'custom_content_manager_manage_tags' );
}
add_action( 'admin_menu', 'custom_content_manager_menu' );

// Admin dashboard: Display console
function custom_content_manager_dashboard() {
    ?>
    <div class="wrap">
        <h1>Welcome to Custom Content Manager</h1>
        <p>Use the submenu to manage your posts, categories, and tags.</p>
    </div>
    <?php
}

// Admin interface: Display Posts list (using wp_list_table)
function custom_content_manager_manage_posts() {
    $post_list_table = new Custom_Post_List_Table();
    $post_list_table->prepare_items();
    ?>
    <div class="wrap">
        <h1>Manage Posts</h1>
        <form method="post">
            <?php $post_list_table->display(); ?>
        </form>
        <h2>Add New Post</h2>
        <form method="post" action="">
            <table class="form-table">
                <tr>
                    <th><label for="post_title">Title</label></th>
                    <td><input type="text" id="post_title" name="post_title" class="regular-text" required /></td>
                </tr>
                <tr>
                    <th><label for="post_content">Content</label></th>
                    <td><textarea id="post_content" name="post_content" rows="5" class="large-text" required></textarea></td>
                </tr>
                <tr>
                    <th><label for="post_status">Status</label></th>
                    <td>
                        <select name="post_status" id="post_status">
                            <option value="publish">Publish</option>
                            <option value="draft">Draft</option>
                        </select>
                    </td>
                </tr>
                <tr>
                    <th><label for="post_categories">Categories</label></th>
                    <td>
                        <select name="post_categories[]" multiple="multiple" id="post_categories" style="width: 100%;">
                            <?php
                            global $wpdb;
                            $categories = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}custom_categories" );
                            foreach ( $categories as $category ) {
                                echo '<option value="' . esc_attr( $category->id ) . '">' . esc_html( $category->name ) . '</option>';
                            }
                            ?>
                        </select>
                    </td>
                </tr>
                <tr>
                    <th><label for="post_tags">Tags</label></th>
                    <td>
                        <select name="post_tags[]" multiple="multiple" id="post_tags" style="width: 100%;">
                            <?php
                            $tags = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}custom_tags" );
                            foreach ( $tags as $tag ) {
                                echo '<option value="' . esc_attr( $tag->id ) . '">' . esc_html( $tag->name ) . '</option>';
                            }
                            ?>
                        </select>
                    </td>
                </tr>
            </table>
            <p><input type="submit" name="submit_post" value="Add Post" class="button-primary" /></p>
        </form>
    </div>
    <?php

    // Handle form submission
    if ( isset( $_POST['submit_post'] ) ) {
        $title      = sanitize_text_field( $_POST['post_title'] );
        $content    = sanitize_textarea_field( $_POST['post_content'] );
        $status     = sanitize_text_field( $_POST['post_status'] );
        $categories = isset( $_POST['post_categories'] ) ? $_POST['post_categories'] : array();
        $tags       = isset( $_POST['post_tags'] ) ? $_POST['post_tags'] : array();

        // Insert into custom_posts table
        $wpdb->insert(
            $wpdb->prefix . 'custom_posts',
            array(
                'title'      => $title,
                'content'    => $content,
                'post_status'=> $status,
            ),
            array( '%s', '%s', '%s' )
        );
        $post_id = $wpdb->insert_id;

        // Associate Categories
        foreach ( $categories as $category_id ) {
            $wpdb->insert(
                $wpdb->prefix . 'custom_post_category',
                array( 'post_id' => $post_id, 'category_id' => $category_id ),
                array( '%d', '%d' )
            );
        }

        // Associate Tags
        foreach ( $tags as $tag_id ) {
            $wpdb->insert(
                $wpdb->prefix . 'custom_post_tag',
                array( 'post_id' => $post_id, 'tag_id' => $tag_id ),
                array( '%d', '%d' )
            );
        }

        echo '<div class="updated"><p>Post added successfully!</p></div>';
    }
}

// Admin interface: Display Categories list (using wp_list_table)
function custom_content_manager_manage_categories() {
    $category_list_table = new Custom_Category_List_Table();
    $category_list_table->prepare_items();
    ?>
    <div class="wrap">
        <h1>Manage Categories</h1>
        <form method="post">
            <?php $category_list_table->display(); ?>
        </form>
        <h2>Add New Category</h2>
        <form method="post" action="">
            <table class="form-table">
                <tr>
                    <th><label for="category_name">Name</label></th>
                    <td><input type="text" id="category_name" name="category_name" class="regular-text" required /></td>
                </tr>
                <tr>
                    <th><label for="category_parent">Parent Category</label></th>
                    <td>
                        <select name="category_parent" id="category_parent">
                            <option value="">None</option>
                            <?php
                            global $wpdb;
                            $categories = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}custom_categories" );
                            foreach ( $categories as $category ) {
                                echo '<option value="' . esc_attr( $category->id ) . '">' . esc_html( $category->name ) . '</option>';
                            }
                            ?>
                        </select>
                    </td>
                </tr>
            </table>
            <p><input type="submit" name="submit_category" value="Add Category" class="button-primary" /></p>
        </form>
    </div>
    <?php

    // Handle form submission
    if ( isset( $_POST['submit_category'] ) ) {
        $name   = sanitize_text_field( $_POST['category_name'] );
        $parent = isset( $_POST['category_parent'] ) ? intval( $_POST['category_parent'] ) : null;

        // Insert into custom_categories table
        $wpdb->insert(
            $wpdb->prefix . 'custom_categories',
            array(
                'name' => $name,
                'parent_id' => $parent,
            ),
            array( '%s', '%d' )
        );

        echo '<div class="updated"><p>Category added successfully!</p></div>';
    }
}

// Admin interface: Display Tags list (using wp_list_table)
function custom_content_manager_manage_tags() {
    $tag_list_table = new Custom_Tag_List_Table();
    $tag_list_table->prepare_items();
    ?>
    <div class="wrap">
        <h1>Manage Tags</h1>
        <form method="post">
            <?php $tag_list_table->display(); ?>
        </form>
        <h2>Add New Tag</h2>
        <form method="post" action="">
            <table class="form-table">
                <tr>
                    <th><label for="tag_name">Name</label></th>
                    <td><input type="text" id="tag_name" name="tag_name" class="regular-text" required /></td>
                </tr>
            </table>
            <p><input type="submit" name="submit_tag" value="Add Tag" class="button-primary" /></p>
        </form>
    </div>
    <?php

    // Handle form submission
    if ( isset( $_POST['submit_tag'] ) ) {
        $name = sanitize_text_field( $_POST['tag_name'] );

        // Insert into custom_tags table
        $wpdb->insert(
            $wpdb->prefix . 'custom_tags',
            array(
                'name' => $name,
            ),
            array( '%s' )
        );

        echo '<div class="updated"><p>Tag added successfully!</p></div>';
    }
}

// WP_List_Table implementation class: Custom Post List Table
if( !class_exists( 'Custom_Post_List_Table' ) ) {
    require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );

    class Custom_Post_List_Table extends WP_List_Table {
        function __construct() {
            parent::__construct( array(
                'singular' => 'post',
                'plural'   => 'posts',
                'ajax'     => false
            ) );
        }

        function get_columns() {
            return array(
                'cb'        => '<input type="checkbox" />',
                'title'     => 'Title',
                'created_at'=> 'Created At'
            );
        }

        function prepare_items() {
            global $wpdb;
            $per_page = $this->get_items_per_page( 'posts_per_page', 10 );
            $start    = ( $this->get_pagenum() - 1 ) * $per_page;

            $query = "SELECT * FROM {$wpdb->prefix}custom_posts ORDER BY created_at DESC LIMIT %d, %d";
            $items = $wpdb->get_results( $wpdb->prepare( $query, $start, $per_page ) );

            $this->items = $items;

            $total_items = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->prefix}custom_posts" );
            $this->set_pagination_args( array(
                'total_items' => $total_items,
                'per_page'    => $per_page,
                'total_pages' => ceil( $total_items / $per_page ),
            ) );
        }

        function column_default( $item, $column_name ) {
            switch ( $column_name ) {
                case 'title':
                    return esc_html( $item->title );
                case 'created_at':
                    return esc_html( $item->created_at );
                default:
                    return print_r( $item, true );
            }
        }

        function column_cb( $item ) {
            return sprintf(
                '<input type="checkbox" name="post_ids[]" value="%d" />',
                $item->id
            );
        }
    }
}

// WP_List_Table implementation class: Custom Category List Table
if( !class_exists( 'Custom_Category_List_Table' ) ) {
    require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );

    class Custom_Category_List_Table extends WP_List_Table {
        function __construct() {
            parent::__construct( array(
                'singular' => 'category',
                'plural'   => 'categories',
                'ajax'     => false
            ) );
        }

        function get_columns() {
            return array(
                'cb'        => '<input type="checkbox" />',
                'name'      => 'Name',
                'created_at'=> 'Created At'
            );
        }

        function prepare_items() {
            global $wpdb;
            $per_page = $this->get_items_per_page( 'categories_per_page', 10 );
            $start    = ( $this->get_pagenum() - 1 ) * $per_page;

            $query = "SELECT * FROM {$wpdb->prefix}custom_categories ORDER BY created_at DESC LIMIT %d, %d";
            $items = $wpdb->get_results( $wpdb->prepare( $query, $start, $per_page ) );

            $this->items = $items;

            $total_items = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->prefix}custom_categories" );
            $this->set_pagination_args( array(
                'total_items' => $total_items,
                'per_page'    => $per_page,
                'total_pages' => ceil( $total_items / $per_page ),
            ) );
        }

        function column_default( $item, $column_name ) {
            switch ( $column_name ) {
                case 'name':
                    return esc_html( $item->name );
                case 'created_at':
                    return esc_html( $item->created_at );
                default:
                    return print_r( $item, true );
            }
        }

        function column_cb( $item ) {
            return sprintf(
                '<input type="checkbox" name="category_ids[]" value="%d" />',
                $item->id
            );
        }
    }
}

// WP_List_Table implementation class: Custom Tag List Table
if( !class_exists( 'Custom_Tag_List_Table' ) ) {
    require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );

    class Custom_Tag_List_Table extends WP_List_Table {
        function __construct() {
            parent::__construct( array(
                'singular' => 'tag',
                'plural'   => 'tags',
                'ajax'     => false
            ) );
        }

        function get_columns() {
            return array(
                'cb'        => '<input type="checkbox" />',
                'name'      => 'Name',
                'created_at'=> 'Created At'
            );
        }

        function prepare_items() {
            global $wpdb;
            $per_page = $this->get_items_per_page( 'tags_per_page', 10 );
            $start    = ( $this->get_pagenum() - 1 ) * $per_page;

            $query = "SELECT * FROM {$wpdb->prefix}custom_tags ORDER BY created_at DESC LIMIT %d, %d";
            $items = $wpdb->get_results( $wpdb->prepare( $query, $start, $per_page ) );

            $this->items = $items;

            $total_items = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->prefix}custom_tags" );
            $this->set_pagination_args( array(
                'total_items' => $total_items,
                'per_page'    => $per_page,
                'total_pages' => ceil( $total_items / $per_page ),
            ) );
        }

        function column_default( $item, $column_name ) {
            switch ( $column_name ) {
                case 'name':
                    return esc_html( $item->name );
                case 'created_at':
                    return esc_html( $item->created_at );
                default:
                    return print_r( $item, true );
            }
        }

        function column_cb( $item ) {
            return sprintf(
                '<input type="checkbox" name="tag_ids[]" value="%d" />',
                $item->id
            );
        }
    }
}

// Frontend page: Display Posts
function custom_content_manager_display_posts( $atts ) {
    global $wpdb;

    // Pagination
    $paged = isset( $_GET['paged'] ) ? (int) $_GET['paged'] : 1;
    $per_page = 10;
    $offset = ( $paged - 1 ) * $per_page;

    $posts = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}custom_posts ORDER BY created_at DESC LIMIT %d, %d", $offset, $per_page ) );
    $total_posts = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->prefix}custom_posts" );
    $total_pages = ceil( $total_posts / $per_page );

    ob_start();

    if ( $posts ) {
        foreach ( $posts as $post ) {
            ?>
            <div class="custom-post">
                <h2><?php echo esc_html( $post->title ); ?></h2>
                <p><?php echo esc_textarea( $post->content ); ?></p>
                <p>Published on: <?php echo esc_html( $post->created_at ); ?></p>
            </div>
            <?php
        }
    } else {
        echo '<p>No posts found.</p>';
    }

    // Pagination links
    echo '<div class="pagination">';
    for ( $i = 1; $i <= $total_pages; $i++ ) {
        echo '<a href="?paged=' . $i . '">' . $i . '</a>';
    }
    echo '</div>';

    return ob_get_clean();
}
add_shortcode( 'custom_content_manager_posts', 'custom_content_manager_display_posts' );

// Register Custom Page Template
function custom_content_manager_page_template( $template ) {
    if ( is_page() && has_shortcode( get_post()->post_content, 'custom_content_manager_posts' ) ) {
        $template = plugin_dir_path( __FILE__ ) . 'templates/custom-content-manager-template.php';
    }
    return $template;
}
add_filter( 'template_include', 'custom_content_manager_page_template' );

?>

修改前端页面

// Frontend page: Display Posts with Categories and Tags using JOIN and Tailwind CSS
function custom_content_manager_display_posts( $atts ) {
    global $wpdb;

    // Pagination
    $paged = isset( $_GET['paged'] ) ? (int) $_GET['paged'] : 1;
    $per_page = 10;
    $offset = ( $paged - 1 ) * $per_page;

    // Query to retrieve posts with associated categories and tags
    $query = $wpdb->prepare(
        "SELECT p.*,
                GROUP_CONCAT(DISTINCT c.name ORDER BY c.name ASC SEPARATOR '||') AS categories,
                GROUP_CONCAT(DISTINCT t.name ORDER BY t.name ASC SEPARATOR '||') AS tags
         FROM {$wpdb->prefix}custom_posts p
         LEFT JOIN {$wpdb->prefix}custom_post_category pc ON p.id = pc.post_id
         LEFT JOIN {$wpdb->prefix}custom_categories c ON pc.category_id = c.id
         LEFT JOIN {$wpdb->prefix}custom_post_tag pt ON p.id = pt.post_id
         LEFT JOIN {$wpdb->prefix}custom_tags t ON pt.tag_id = t.id
         GROUP BY p.id
         ORDER BY p.created_at DESC
         LIMIT %d, %d",
        $offset, $per_page
    );

    $posts = $wpdb->get_results( $query );
    $total_posts = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->prefix}custom_posts" );
    $total_pages = ceil( $total_posts / $per_page );

    ob_start();

    if ( $posts ) {
        foreach ( $posts as $post ) {
            // Split categories and tags into arrays
            $categories = $post->categories ? explode('||', $post->categories) : [];
            $tags = $post->tags ? explode('||', $post->tags) : [];
            ?>
            <div class="custom-post p-4 mb-6 border rounded-lg shadow-md">
                <h2 class="text-2xl font-bold mb-2"><?php echo esc_html( $post->title ); ?></h2>
                <p class="mb-4"><?php echo esc_textarea( $post->content ); ?></p>
                <p class="text-gray-600 mb-2">Published on: <?php echo esc_html( $post->created_at ); ?></p>
                <?php if ( !empty( $categories ) ) : ?>
                    <div class="flex flex-wrap gap-2 mb-4">
                        <?php foreach ( $categories as $category ) : ?>
                            <span class="inline-block px-3 py-1 text-sm font-semibold text-gray-700 bg-gray-200 rounded-full">
                                <?php echo esc_html( $category ); ?>
                            </span>
                        <?php endforeach; ?>
                    </div>
                <?php endif; ?>
                <?php if ( !empty( $tags ) ) : ?>
                    <div class="flex flex-wrap gap-2">
                        <?php foreach ( $tags as $tag ) : ?>
                            <span class="inline-block px-3 py-1 text-sm font-semibold text-blue-700 bg-blue-200 rounded-full">
                                <?php echo esc_html( $tag ); ?>
                            </span>
                        <?php endforeach; ?>
                    </div>
                <?php endif; ?>
            </div>
            <?php
        }
    } else {
        echo '<p class="text-center text-gray-600">No posts found.</p>';
    }

    // Pagination links
    echo '<div class="pagination flex justify-center gap-2 mt-6">';
    for ( $i = 1; $i <= $total_pages; $i++ ) {
        echo '<a href="?paged=' . $i . '" class="px-3 py-1 text-sm font-semibold text-gray-700 bg-gray-200 rounded-full">' . $i . '</a>';
    }
    echo '</div>';

    return ob_get_clean();
}
add_shortcode( 'custom_content_manager_posts', 'custom_content_manager_display_posts' );

<?php
/*
Plugin Name: Custom Content Manager
Description: A plugin to manage custom posts with custom categories and tags, and display them using custom page templates.
Version: 1.0
Author: Your Name
*/

// 激活时刷新重写规则
function custom_post_flush_rewrite_rules() {
    custom_post_rewrite_rule();
    flush_rewrite_rules();
}
register_activation_hook( __FILE__, 'custom_post_flush_rewrite_rules' );

// 注册自定义 URL 路由规则
function custom_post_rewrite_rule() {
    // 匹配自定义文章列表的分页 URL 格式：/custom/page/1
    add_rewrite_rule(
        '^custom/page/([0-9]{1,})/?$',  // 匹配 /custom/page/1 或 /custom/page/2
        'index.php?pagename=custom-post-list&paged=$matches[1]',  // 路由到自定义页面
        'top'
    );

    // 匹配单篇文章的 URL 格式：/custom/slug
    add_rewrite_rule(
        '^custom/([^/]+)/?$',  // 匹配 /custom/slug
        'index.php?post_type=custom_post&slug=$matches[1]',  // 查询自定义文章
        'top'
    );
}
add_action( 'init', 'custom_post_rewrite_rule' );

// 获取指定 slug 的文章内容
function get_custom_post_by_slug($slug) {
    global $wpdb;

    $post = $wpdb->get_row($wpdb->prepare(
        "SELECT p.*, 
                GROUP_CONCAT(DISTINCT c.name ORDER BY c.name ASC SEPARATOR ', ') AS categories,
                GROUP_CONCAT(DISTINCT t.name ORDER BY t.name ASC SEPARATOR ', ') AS tags
         FROM {$wpdb->prefix}custom_posts p
         LEFT JOIN {$wpdb->prefix}custom_post_category pc ON p.id = pc.post_id
         LEFT JOIN {$wpdb->prefix}custom_categories c ON pc.category_id = c.id
         LEFT JOIN {$wpdb->prefix}custom_post_tag pt ON p.id = pt.post_id
         LEFT JOIN {$wpdb->prefix}custom_tags t ON pt.tag_id = t.id
         WHERE p.slug = %s
         GROUP BY p.id",
        $slug
    ));
    return $post;
}

// 生成分页链接
function custom_content_manager_display_posts($atts) {
    global $wpdb;

    // 获取当前页码，默认为 1
    $paged = isset($_GET['paged']) ? (int) $_GET['paged'] : 1;
    $per_page = 10; // 每页显示文章数量
    $offset = ($paged - 1) * $per_page;

    // 获取文章数据，带有分页和类别标签信息
    $query = $wpdb->prepare(
        "SELECT p.*, 
                GROUP_CONCAT(DISTINCT c.name ORDER BY c.name ASC SEPARATOR ', ') AS categories,
                GROUP_CONCAT(DISTINCT t.name ORDER BY t.name ASC SEPARATOR ', ') AS tags
         FROM {$wpdb->prefix}custom_posts p
         LEFT JOIN {$wpdb->prefix}custom_post_category pc ON p.id = pc.post_id
         LEFT JOIN {$wpdb->prefix}custom_categories c ON pc.category_id = c.id
         LEFT JOIN {$wpdb->prefix}custom_post_tag pt ON p.id = pt.post_id
         LEFT JOIN {$wpdb->prefix}custom_tags t ON pt.tag_id = t.id
         GROUP BY p.id
         ORDER BY p.created_at DESC
         LIMIT %d, %d",
        $offset, $per_page
    );
    $posts = $wpdb->get_results($query);
    $total_posts = $wpdb->get_var("SELECT COUNT(*) FROM {$wpdb->prefix}custom_posts");
    $total_pages = ceil($total_posts / $per_page);

    ob_start(); // 开始输出缓冲

    if ($posts) {
        foreach ($posts as $post) {
            ?>
            <div class="custom-post">
                <h2><?php echo esc_html($post->title); ?></h2>
                <p><?php echo esc_textarea($post->content); ?></p>
                <p>Published on: <?php echo esc_html($post->created_at); ?></p>
                <?php if ($post->categories) : ?>
                    <p><strong>Categories:</strong> <?php echo esc_html($post->categories); ?></p>
                <?php endif; ?>
                <?php if ($post->tags) : ?>
                    <p><strong>Tags:</strong> <?php echo esc_html($post->tags); ?></p>
                <?php endif; ?>
            </div>
            <?php
        }
    } else {
        echo '<p>No posts found.</p>';
    }

    // 输出分页链接
    echo '<div class="pagination">';
    for ($i = 1; $i <= $total_pages; $i++) {
        echo '<a href="' . home_url('/custom/page/' . $i) . '">' . $i . '</a>';
    }
    echo '</div>';

    return ob_get_clean(); // 返回输出内容
}
add_shortcode('custom_content_manager_posts', 'custom_content_manager_display_posts');

// 创建自定义页面模板：页面将显示文章内容
function custom_page_template($template) {
    if (is_page('custom-post-list')) {
        $template = plugin_dir_path(__FILE__) . 'page-custom-post-list.php'; // 页面模板路径
    }
    return $template;
}
add_filter('template_include', 'custom_page_template');

// 页面模板：列出所有文章，带分页
?>
<!-- page-custom-post-list.php -->
<?php
/* Template Name: Custom Post List */
get_header();

// 显示文章列表（带分页）
echo custom_content_manager_display_posts();

get_footer();
?>

// 文章详情页模板：根据 slug 显示单篇文章
?>
<!-- single-custom_post.php -->
<?php
get_header();

// 获取 URL 中的 slug
$post_slug = get_query_var('slug');

// 根据 slug 获取文章内容
$post = get_custom_post_by_slug($post_slug);

if ($post) {
    ?>
    <div class="single-post">
        <h1><?php echo esc_html($post->title); ?></h1>
        <p><?php echo esc_textarea($post->content); ?></p>
        <p><strong>Published on:</strong> <?php echo esc_html($post->created_at); ?></p>
        <?php if ($post->categories) : ?>
            <p><strong>Categories:</strong> <?php echo esc_html($post->categories); ?></p>
        <?php endif; ?>
        <?php if ($post->tags) : ?>
            <p><strong>Tags:</strong> <?php echo esc_html($post->tags); ?></p>
        <?php endif; ?>
    </div>
    <?php
} else {
    echo '<p>Post not found.</p>';
}

get_footer();
?>
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Source: github.com/k4yt3x/flowerhd
	

	

		
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