更新到1.2.2版本

friend-links-manager.php

@@ -1,9 +1,8 @@
 <?php
 /*
 Plugin Name: 友情链接管理器
-Plugin URI: https://lhcy.org/archives/wordpress-friend-links-manager.html
 Description: 管理并展示友情链接，支持导入导出
-Version: 1.1.1
+Version: 1.2.2
 Author: 林海草原
 Author URI: https://lhcy.org
 Text Domain: friend-links-manager
@@ -12,7 +11,7 @@ Text Domain: friend-links-manager
 defined('ABSPATH') or die('无权访问');
 
 // 定义插件常量
-define('FLM_VERSION', '1.0');
+define('FLM_VERSION', '1.2.2');
 define('FLM_PLUGIN_DIR', plugin_dir_path(__FILE__));
 define('FLM_PLUGIN_URL', plugin_dir_url(__FILE__));
 
@@ -29,6 +28,7 @@ function flm_create_table() {
         name varchar(100) NOT NULL,
         url varchar(255) NOT NULL,
         icon varchar(255) DEFAULT '',
+        description text DEFAULT '',
         sort_order int(11) DEFAULT 0,
         PRIMARY KEY (id)
     ) $charset_collate;";
@@ -36,13 +36,24 @@ function flm_create_table() {
     require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
     dbDelta($sql);
 
+    // 检查是否需要升级数据库
+    $current_version = get_option('flm_version', '1.0');
+    if (version_compare($current_version, '1.2.0', '<')) {
+        // 检查description字段是否已存在（使用更安全的方法）
+        $table_columns = $wpdb->get_col("SHOW COLUMNS FROM $table_name");
+        if (!in_array('description', $table_columns)) {
+            // 添加description字段
+            $wpdb->query("ALTER TABLE $table_name ADD COLUMN description text DEFAULT '' AFTER icon");
+        }
+    }
+    
     // 初始化插件版本
-    update_option('flm_version', FLM_VERSION);
+    update_option('flm_version', '1.2.0');
 }
 
-// 动态卸载逻辑（替代 register_uninstall_hook）
-register_deactivation_hook(__FILE__, 'flm_cleanup');
-function flm_cleanup() {
+// 卸载逻辑（只在卸载插件时删除数据）
+register_uninstall_hook(__FILE__, 'flm_uninstall');
+function flm_uninstall() {
     global $wpdb;
     
     // 删除数据库表
@@ -53,11 +64,130 @@ function flm_cleanup() {
     
     // 清理插件选项
     delete_option('flm_version');
+    delete_option('flm_desktop_columns');
+    delete_option('flm_random_display');
+    delete_option('flm_show_descriptions');
     
     // 强制刷新缓存（针对某些缓存插件）
     wp_cache_flush();
 }
 
+// AJAX处理函数
+add_action('wp_ajax_flm_update_sort_order', 'flm_update_sort_order');
+function flm_update_sort_order() {
+    check_ajax_referer('flm_nonce', 'nonce');
+    
+    if (!current_user_can('manage_options')) {
+        wp_die('无权访问');
+    }
+    
+    if (!empty($_POST['link_ids'])) {
+        global $wpdb;
+        $table_name = $wpdb->prefix . 'friend_links';
+        
+        foreach ($_POST['link_ids'] as $index => $link_id) {
+            $wpdb->update($table_name, 
+                array('sort_order' => $index), 
+                array('id' => intval($link_id))
+            );
+        }
+        
+        wp_send_json_success(array('message' => '排序已更新'));
+    }
+    
+    wp_send_json_error(array('message' => '无效的请求数据'));
+}
+
+add_action('wp_ajax_flm_delete_link', 'flm_delete_link');
+function flm_delete_link() {
+    check_ajax_referer('flm_nonce', 'nonce');
+    
+    if (!current_user_can('manage_options')) {
+        wp_die('无权访问');
+    }
+    
+    if (!empty($_POST['link_id'])) {
+        global $wpdb;
+        $table_name = $wpdb->prefix . 'friend_links';
+        
+        $result = $wpdb->delete($table_name, array('id' => intval($_POST['link_id'])));
+        
+        if ($result !== false) {
+            wp_send_json_success(array('message' => '链接已删除'));
+        }
+    }
+    
+    wp_send_json_error(array('message' => '删除失败'));
+}
+
+add_action('wp_ajax_flm_batch_delete_links', 'flm_batch_delete_links');
+function flm_batch_delete_links() {
+    check_ajax_referer('flm_nonce', 'nonce');
+    
+    if (!current_user_can('manage_options')) {
+        wp_die('无权访问');
+    }
+    
+    if (!empty($_POST['link_ids'])) {
+        global $wpdb;
+        $table_name = $wpdb->prefix . 'friend_links';
+        
+        $deleted_count = 0;
+        $error_count = 0;
+        
+        foreach ($_POST['link_ids'] as $link_id) {
+            $result = $wpdb->delete($table_name, array('id' => intval($link_id)));
+            if ($result !== false) {
+                $deleted_count++;
+            } else {
+                $error_count++;
+            }
+        }
+        
+        wp_send_json_success(array(
+            'deleted_count' => $deleted_count,
+            'error_count' => $error_count
+        ));
+    }
+    
+    wp_send_json_error(array('message' => '无效的请求数据'));
+}
+
+// 手动数据库修复函数
+add_action('admin_init', 'flm_manual_db_fix');
+function flm_manual_db_fix() {
+    if (isset($_GET['flm_fix_db']) && current_user_can('manage_options')) {
+        check_admin_referer('flm_fix_db');
+        
+        global $wpdb;
+        $table_name = $wpdb->prefix . 'friend_links';
+        
+        // 检查表是否存在
+        if ($wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name) {
+            wp_die('友情链接表不存在');
+        }
+        
+        // 检查description字段是否存在
+        $table_columns = $wpdb->get_col("SHOW COLUMNS FROM $table_name");
+        if (!in_array('description', $table_columns)) {
+            // 添加description字段
+            $result = $wpdb->query("ALTER TABLE $table_name ADD COLUMN description text DEFAULT '' AFTER icon");
+            if ($result !== false) {
+                // 修复成功后重定向到管理页面，不显示错误信息
+                wp_redirect(admin_url('admin.php?page=friend-links-manager&flm_fix_success=1'));
+                exit;
+            } else {
+                wp_redirect(admin_url('admin.php?page=friend-links-manager&flm_fix_error=1'));
+                exit;
+            }
+        } else {
+            // 字段已存在，重定向
+            wp_redirect(admin_url('admin.php?page=friend-links-manager&flm_fix_exists=1'));
+            exit;
+        }
+    }
+}
+
 // 加载插件功能文件
 require_once FLM_PLUGIN_DIR . 'includes/admin-page.php';
 require_once FLM_PLUGIN_DIR . 'includes/shortcode.php';