在当今快速变化的市场环境中，企业需要一个能够灵活响应需求波动的供应链系统。传统的供应链管理系统往往僵化且成本高昂，而基于WordPress搭建的柔性供应链系统则提供了经济、灵活且可扩展的解决方案。本教程将指导您从零开始构建一个功能完善的柔性供应链系统。

我们的柔性供应链系统将包含以下核心模块：

1. 供应商管理模块
2. 库存管理模块
3. 订单处理模块
4. 物流跟踪模块
5. 数据分析与报告模块

• WordPress 6.0+
• WooCommerce插件
• 自定义PHP开发
• MySQL数据库
• REST API接口

首先确保您已安装最新版本的WordPress，并完成基本配置。建议使用支持PHP 7.4+和MySQL 5.7+的主机环境。

在WordPress后台安装以下核心插件：

1. WooCommerce - 电子商务基础
2. Advanced Custom Fields - 自定义字段管理
3. WP REST API - API接口支持

我们需要创建几个核心数据表来支持供应链系统：

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<?php
/**
 * 创建供应链系统所需的数据表
 * 这段代码应放在插件激活钩子中执行
 */
function create_supply_chain_tables() {
    global $wpdb;
    
    $charset_collate = $wpdb->get_charset_collate();
    
    // 供应商表
    $suppliers_table = $wpdb->prefix . 'supply_chain_suppliers';
    $suppliers_sql = "CREATE TABLE IF NOT EXISTS $suppliers_table (
        supplier_id INT(11) NOT NULL AUTO_INCREMENT,
        supplier_name VARCHAR(255) NOT NULL,
        contact_person VARCHAR(100),
        email VARCHAR(100),
        phone VARCHAR(50),
        address TEXT,
        rating DECIMAL(3,2) DEFAULT 0.00,
        lead_time_days INT(5) DEFAULT 7,
        is_active TINYINT(1) DEFAULT 1,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        PRIMARY KEY (supplier_id)
    ) $charset_collate;";
    
    // 库存表
    $inventory_table = $wpdb->prefix . 'supply_chain_inventory';
    $inventory_sql = "CREATE TABLE IF NOT EXISTS $inventory_table (
        inventory_id INT(11) NOT NULL AUTO_INCREMENT,
        product_id INT(11) NOT NULL,
        supplier_id INT(11),
        quantity INT(11) DEFAULT 0,
        reorder_level INT(11) DEFAULT 10,
        location VARCHAR(100),
        last_updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
        PRIMARY KEY (inventory_id),
        KEY product_id (product_id),
        KEY supplier_id (supplier_id)
    ) $charset_collate;";
    
    // 采购订单表
    $purchase_orders_table = $wpdb->prefix . 'supply_chain_purchase_orders';
    $purchase_orders_sql = "CREATE TABLE IF NOT EXISTS $purchase_orders_table (
        order_id INT(11) NOT NULL AUTO_INCREMENT,
        supplier_id INT(11) NOT NULL,
        order_date DATE NOT NULL,
        expected_delivery DATE,
        status ENUM('pending', 'confirmed', 'shipped', 'delivered', 'cancelled') DEFAULT 'pending',
        total_amount DECIMAL(10,2),
        notes TEXT,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        PRIMARY KEY (order_id)
    ) $charset_collate;";
    
    require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
    dbDelta($suppliers_sql);
    dbDelta($inventory_sql);
    dbDelta($purchase_orders_sql);
}
?>

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<?php
/**
 * 注册供应商自定义帖子类型
 */
function register_supplier_post_type() {
    $labels = array(
        'name'               => '供应商',
        'singular_name'      => '供应商',
        'menu_name'          => '供应链管理',
        'add_new'            => '添加供应商',
        'add_new_item'       => '添加新供应商',
        'edit_item'          => '编辑供应商',
        'new_item'           => '新供应商',
        'view_item'          => '查看供应商',
        'search_items'       => '搜索供应商',
        'not_found'          => '未找到供应商',
        'not_found_in_trash' => '回收站中无供应商'
    );
    
    $args = array(
        'labels'             => $labels,
        'public'             => false,
        'publicly_queryable' => false,
        'show_ui'            => true,
        'show_in_menu'       => true,
        'query_var'          => true,
        'rewrite'            => array('slug' => 'supplier'),
        'capability_type'    => 'post',
        'has_archive'        => false,
        'hierarchical'       => false,
        'menu_position'      => 30,
        'menu_icon'          => 'dashicons-truck',
        'supports'           => array('title', 'editor', 'custom-fields')
    );
    
    register_post_type('supplier', $args);
}
add_action('init', 'register_supplier_post_type');
?>

创建供应商管理后台界面，包含添加、编辑、删除和查看供应商详细信息的功能。

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<?php
/**
 * 库存管理类
 * 处理库存相关操作
 */
class InventoryManager {
    
    /**
     * 更新库存数量
     * @param int $product_id 产品ID
     * @param int $quantity_change 数量变化（正数为增加，负数为减少）
     * @return bool 操作是否成功
     */
    public static function update_inventory($product_id, $quantity_change) {
        global $wpdb;
        
        $table_name = $wpdb->prefix . 'supply_chain_inventory';
        
        // 检查库存记录是否存在
        $existing = $wpdb->get_var($wpdb->prepare(
            "SELECT quantity FROM $table_name WHERE product_id = %d",
            $product_id
        ));
        
        if ($existing === null) {
            // 创建新的库存记录
            $result = $wpdb->insert(
                $table_name,
                array(
                    'product_id' => $product_id,
                    'quantity' => max(0, $quantity_change),
                    'last_updated' => current_time('mysql')
                ),
                array('%d', '%d', '%s')
            );
        } else {
            // 更新现有库存
            $new_quantity = max(0, $existing + $quantity_change);
            $result = $wpdb->update(
                $table_name,
                array(
                    'quantity' => $new_quantity,
                    'last_updated' => current_time('mysql')
                ),
                array('product_id' => $product_id),
                array('%d', '%s'),
                array('%d')
            );
        }
        
        // 检查是否需要重新订货
        if ($result !== false) {
            self::check_reorder_level($product_id);
        }
        
        return $result !== false;
    }
    
    /**
     * 检查库存是否低于重新订货水平
     * @param int $product_id 产品ID
     */
    private static function check_reorder_level($product_id) {
        global $wpdb;
        
        $table_name = $wpdb->prefix . 'supply_chain_inventory';
        
        $inventory = $wpdb->get_row($wpdb->prepare(
            "SELECT quantity, reorder_level FROM $table_name WHERE product_id = %d",
            $product_id
        ));
        
        if ($inventory && $inventory->quantity <= $inventory->reorder_level) {
            // 触发重新订货通知
            self::send_reorder_alert($product_id, $inventory->quantity);
        }
    }
    
    /**
     * 发送重新订货警报
     * @param int $product_id 产品ID
     * @param int $current_quantity 当前库存数量
     */
    private static function send_reorder_alert($product_id, $current_quantity) {
        // 获取产品信息
        $product = wc_get_product($product_id);
        
        if ($product) {
            $admin_email = get_option('admin_email');
            $subject = '库存警报：产品需要重新订货';
            $message = sprintf(
                "产品：%s (ID: %d)n当前库存：%dn请及时联系供应商补充库存。",
                $product->get_name(),
                $product_id,
                $current_quantity
            );
            
            wp_mail($admin_email, $subject, $message);
        }
    }
}
?>

集成WooCommerce订单系统，实现订单自动处理和供应商分配。

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<?php
/**
 * 物流跟踪管理器
 * 集成第三方物流API
 */
class LogisticsTracker {
    
    private $api_key;
    private $api_url = 'https://api.logistics.example.com/v1/';
    
    public function __construct($api_key) {
        $this->api_key = $api_key;
    }
    
    /**
     * 创建物流跟踪
     * @param array $shipment_data 货运数据
     * @return array|bool API响应或false
     */
    public function create_tracking($shipment_data) {
        $endpoint = $this->api_url . 'tracking/create';
        
        $headers = array(
            'Authorization' => 'Bearer ' . $this->api_key,
            'Content-Type' => 'application/json'
        );
        
        $body = wp_json_encode($shipment_data);
        
        $response = wp_remote_post($endpoint, array(
            'headers' => $headers,
            'body' => $body,
            'timeout' => 30
        ));
        
        if (is_wp_error($response)) {
            error_log('物流API错误: ' . $response->get_error_message());
            return false;
        }
        
        $response_code = wp_remote_retrieve_response_code($response);
        $response_body = wp_remote_retrieve_body($response);
        
        if ($response_code === 200) {
            return json_decode($response_body, true);
        } else {
            error_log('物流API错误，状态码: ' . $response_code);
            return false;
        }
    }
    
    /**
     * 获取跟踪信息
     * @param string $tracking_number 跟踪号码
     * @return array|bool 跟踪信息或false
     */
    public function get_tracking_info($tracking_number) {
        $endpoint = $this->api_url . 'tracking/' . urlencode($tracking_number);
        
        $headers = array(
            'Authorization' => 'Bearer ' . $this->api_key
        );
        
        $response = wp_remote_get($endpoint, array(
            'headers' => $headers,
            'timeout' => 15
        ));
        
        if (is_wp_error($response)) {
            return false;
        }
        
        $response_code = wp_remote_retrieve_response_code($response);
        $response_body = wp_remote_retrieve_body($response);
        
        if ($response_code === 200) {
            return json_decode($response_body, true);
        }
        
        return false;
    }
}
?>

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<?php
/**
 * 供应链分析报告生成器
 */
class SupplyChainAnalytics {
    
    /**
     * 计算关键绩效指标
     * @param string $period 时间段：'daily', 'weekly', 'monthly'
     * @return array KPI数据
     */
    public static function calculate_kpis($period = 'monthly') {
        global $wpdb;
        
        $kpis = array();
        
        // 计算订单履行率
        $orders_table = $wpdb->prefix . 'posts';
        $order_items_table = $wpdb->prefix . 'woocommerce_order_items';
        
        $date_filter = self::get_date_filter($period);
        
        // 总订单数
        $total_orders = $wpdb->get_var("
            SELECT COUNT(*) FROM $orders_table 
            WHERE post_type = 'shop_order' 
            AND post_status IN ('wc-completed', 'wc-processing')
            AND post_date >= '$date_filter'
        ");
        
        // 已完成的订单数
        $fulfilled_orders = $wpdb->get_var("
            SELECT COUNT(*) FROM $orders_table 
            WHERE post_type = 'shop_order' 
            AND post_status = 'wc-completed'
            AND post_date >= '$date_filter'
        ");
        
        $kpis['order_fulfillment_rate'] = $total_orders > 0 ? 
            round(($fulfilled_orders / $total_orders) * 100, 2) : 0;
        
        // 计算平均订单处理时间
        $processing_time = $wpdb->get_var("
            SELECT AVG(TIMESTAMPDIFF(HOUR, 
                MIN(CASE WHEN meta_key = '_paid_date' THEN meta_value END),
                MAX(CASE WHEN meta_key = '_completed_date' THEN meta_value END)
            ))
            FROM $orders_table o
            LEFT JOIN {$wpdb->prefix}postmeta pm ON o.ID = pm.post_id
            WHERE o.post_type = 'shop_order' 
            AND o.post_status = 'wc-completed'
            AND o.post_date >= '$date_filter'
            GROUP BY o.ID
        ");
        
        $kpis['avg_order_processing_hours'] = round($processing_time ?: 0, 1);
        
        // 库存周转率计算
        $inventory_table = $wpdb->prefix . 'supply_chain_inventory';
        
        $inventory_data = $wpdb->get_results("
            SELECT product_id, quantity, last_updated 
            FROM $inventory_table
            WHERE last_updated >= '$date_filter'
        ");
        
        // 这里可以添加更复杂的库存周转计算逻辑
        $kpis['inventory_turnover'] = self::calculate_inventory_turnover($inventory_data);
        
        return $kpis;
    }
    
    /**
     * 根据时间段获取日期过滤器
     */
    private static function get_date_filter($period) {
        $date = new DateTime();
        
        switch ($period) {
            case 'daily':
                $date->modify('-1 day');
                break;
            case 'weekly':
                $date->modify('-1 week');
                break;
            case 'monthly':
            default:
                $date->modify('-1 month');
                break;
        }
        
        return $date->format('Y-m-d H:i:s');
    }
    
    /**
     * 计算库存周转率
     */
    private static function calculate_inventory_turnover($inventory_data) {
        // 简化的库存周转计算
        // 实际应用中可能需要更复杂的逻辑
        if (empty($inventory_data)) {
            return 0;
        }
        
        $total_value = 0;
        $total_quantity = 0;
        
        foreach ($inventory_data as $item) {
            $product = wc_get_product($item->product_id);
            if ($product) {
                $total_value += $product->get_price() * $item->quantity;
                $total_quantity += $item->quantity;
            }
        }
        
        // 这里使用简化的周转率计算
        // 实际应基于销售成本和平均库存价值
        return $total_quantity > 0 ? round($total_value / $total_quantity, 2) : 0;
    }
}
?>

1. 使用WordPress对象缓存减少数据库查询
2. 对大数据表添加适当索引
3. 实现分页加载和延迟加载
4. 使用CDN加速静态资源

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<?php
/**
 * 供应链系统安全加固
 */
class SupplyChainSecurity {
    
    /**
     * 验证用户权限
     * @param string $capability 所需权限
     * @return bool 是否有权限
     */
    public static function check_capability($capability = 'manage_woocommerce') {
        if (!current_user_can($capability)) {
            wp_die('您没有足够的权限访问此页面。');
            return false;
        }
        return true;
    }
    
    /**
     * 数据输入清理
     * @param mixed $data 输入数据
     * @return mixed 清理后的数据
     */
    public static function sanitize_input($data) {
        if (is_array($data)) {
            foreach ($data as $key => $value) {
                $data[$key] = self::sanitize_input($value);
            }
            return $data;
        }
        
        // 移除危险标签和脚本
        $data = wp_strip_all_tags($data);
        $data = esc_sql($data);
        
        return $data;
    }
    
    /**
     * 防止SQL注入
     * @param string $query SQL查询
     * @param array $params 参数数组
     * @return string 安全的查询
     */
    public static function prepare_sql_query($query, $params = array()) {
        global $wpdb;
        
        if (empty($params)) {
            return $query;
        }
        
        return $wpdb->prepare($query, $params);
    }
    
    /**
     * 记录安全事件
     * @param string $event 事件描述
     * @param string $severity 严重程度：low, medium, high
     */
    public static function log_security_event($event, $severity = 'medium') {
        $log_entry = sprintf(
            "[%s] [%s] %sn",
            current_time('mysql'),
            strtoupper($severity),
            $event
        );
        
        $log_file = WP_CONTENT_DIR . '/supply-chain-security.log';
        
        // 限制日志文件大小

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        if (file_exists($log_file) && filesize($log_file) > 10485760) { // 10MB
            $backup_file = $log_file . '.' . date('Y-m-d');
            rename($log_file, $backup_file);
        }
        
        error_log($log_entry, 3, $log_file);
    }
}
?>

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<?php
/**
 * 供应链系统REST API
 */
class SupplyChainAPI {
    
    public function register_routes() {
        register_rest_route('supply-chain/v1', '/inventory/(?P<id>d+)', array(
            array(
                'methods' => WP_REST_Server::READABLE,
                'callback' => array($this, 'get_inventory'),
                'permission_callback' => array($this, 'check_api_permission'),
                'args' => array(
                    'id' => array(
                        'validate_callback' => function($param) {
                            return is_numeric($param);
                        }
                    ),
                ),
            ),
            array(
                'methods' => WP_REST_Server::EDITABLE,
                'callback' => array($this, 'update_inventory'),
                'permission_callback' => array($this, 'check_api_permission'),
            ),
        ));
        
        register_rest_route('supply-chain/v1', '/suppliers', array(
            'methods' => WP_REST_Server::READABLE,
            'callback' => array($this, 'get_suppliers'),
            'permission_callback' => array($this, 'check_api_permission'),
        ));
        
        register_rest_route('supply-chain/v1', '/analytics/kpi', array(
            'methods' => WP_REST_Server::READABLE,
            'callback' => array($this, 'get_kpi_data'),
            'permission_callback' => array($this, 'check_api_permission'),
        ));
    }
    
    /**
     * 获取库存信息
     */
    public function get_inventory($request) {
        $product_id = $request['id'];
        
        global $wpdb;
        $table_name = $wpdb->prefix . 'supply_chain_inventory';
        
        $inventory = $wpdb->get_row($wpdb->prepare(
            "SELECT * FROM $table_name WHERE product_id = %d",
            $product_id
        ));
        
        if (!$inventory) {
            return new WP_Error('not_found', '库存记录不存在', array('status' => 404));
        }
        
        return rest_ensure_response($inventory);
    }
    
    /**
     * 获取供应商列表
     */
    public function get_suppliers($request) {
        $args = array(
            'post_type' => 'supplier',
            'posts_per_page' => -1,
            'post_status' => 'publish',
        );
        
        if (isset($request['active_only']) && $request['active_only']) {
            $args['meta_query'] = array(
                array(
                    'key' => 'is_active',
                    'value' => '1',
                    'compare' => '='
                )
            );
        }
        
        $suppliers = get_posts($args);
        $formatted_suppliers = array();
        
        foreach ($suppliers as $supplier) {
            $formatted_suppliers[] = array(
                'id' => $supplier->ID,
                'name' => $supplier->post_title,
                'contact' => get_field('contact_person', $supplier->ID),
                'email' => get_field('email', $supplier->ID),
                'rating' => get_field('rating', $supplier->ID),
                'lead_time' => get_field('lead_time_days', $supplier->ID),
            );
        }
        
        return rest_ensure_response($formatted_suppliers);
    }
    
    /**
     * 获取KPI数据
     */
    public function get_kpi_data($request) {
        $period = $request->get_param('period') ?: 'monthly';
        $kpis = SupplyChainAnalytics::calculate_kpis($period);
        
        return rest_ensure_response(array(
            'period' => $period,
            'kpis' => $kpis,
            'timestamp' => current_time('mysql'),
        ));
    }
    
    /**
     * 检查API权限
     */
    public function check_api_permission($request) {
        // 使用API密钥验证或用户权限验证
        $api_key = $request->get_header('X-API-Key');
        
        if ($api_key) {
            return $this->validate_api_key($api_key);
        }
        
        // 或者检查用户权限
        return current_user_can('manage_woocommerce');
    }
    
    private function validate_api_key($api_key) {
        $valid_keys = get_option('supply_chain_api_keys', array());
        return in_array(hash('sha256', $api_key), $valid_keys);
    }
}

// 初始化API
add_action('rest_api_init', function() {
    $api = new SupplyChainAPI();
    $api->register_routes();
});
?>

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<?php
/**
 * 供应链管理后台界面
 */
class SupplyChainAdminUI {
    
    public function __construct() {
        add_action('admin_menu', array($this, 'add_admin_menu'));
        add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'));
    }
    
    /**
     * 添加管理菜单
     */
    public function add_admin_menu() {
        add_menu_page(
            '供应链仪表板',
            '供应链',
            'manage_woocommerce',
            'supply-chain-dashboard',
            array($this, 'render_dashboard'),
            'dashicons-networking',
            58
        );
        
        add_submenu_page(
            'supply-chain-dashboard',
            '库存管理',
            '库存管理',
            'manage_woocommerce',
            'supply-chain-inventory',
            array($this, 'render_inventory_page')
        );
        
        add_submenu_page(
            'supply-chain-dashboard',
            '供应商管理',
            '供应商管理',
            'manage_woocommerce',
            'supply-chain-suppliers',
            array($this, 'render_suppliers_page')
        );
        
        add_submenu_page(
            'supply-chain-dashboard',
            '分析报告',
            '分析报告',
            'manage_woocommerce',
            'supply-chain-analytics',
            array($this, 'render_analytics_page')
        );
    }
    
    /**
     * 加载管理界面脚本和样式
     */
    public function enqueue_admin_scripts($hook) {
        if (strpos($hook, 'supply-chain') === false) {
            return;
        }
        
        wp_enqueue_style(
            'supply-chain-admin',
            plugin_dir_url(__FILE__) . 'css/admin.css',
            array(),
            '1.0.0'
        );
        
        wp_enqueue_script(
            'supply-chain-admin',
            plugin_dir_url(__FILE__) . 'js/admin.js',
            array('jquery', 'chartjs'),
            '1.0.0',
            true
        );
        
        // 本地化脚本数据
        wp_localize_script('supply-chain-admin', 'supplyChainData', array(
            'ajax_url' => admin_url('admin-ajax.php'),
            'nonce' => wp_create_nonce('supply_chain_nonce'),
            'api_endpoint' => rest_url('supply-chain/v1/'),
        ));
    }
    
    /**
     * 渲染仪表板
     */
    public function render_dashboard() {
        ?>
        <div class="wrap supply-chain-dashboard">
            <h1>供应链仪表板</h1>
            
            <div class="dashboard-widgets">
                <div class="widget kpi-widget">
                    <h3>关键绩效指标</h3>
                    <div class="kpi-grid">
                        <div class="kpi-item">
                            <span class="kpi-value" id="fulfillment-rate">--%</span>
                            <span class="kpi-label">订单履行率</span>
                        </div>
                        <div class="kpi-item">
                            <span class="kpi-value" id="processing-time">--h</span>
                            <span class="kpi-label">平均处理时间</span>
                        </div>
                        <div class="kpi-item">
                            <span class="kpi-value" id="inventory-turnover">--</span>
                            <span class="kpi-label">库存周转率</span>
                        </div>
                    </div>
                </div>
                
                <div class="widget inventory-alerts">
                    <h3>库存警报</h3>
                    <div id="inventory-alerts-list">
                        <!-- 通过AJAX动态加载 -->
                    </div>
                </div>
                
                <div class="widget recent-orders">
                    <h3>最近采购订单</h3>
                    <table class="wp-list-table widefat fixed striped">
                        <thead>
                            <tr>
                                <th>订单号</th>
                                <th>供应商</th>
                                <th>金额</th>
                                <th>状态</th>
                                <th>预计交付</th>
                            </tr>
                        </thead>
                        <tbody id="recent-orders-list">
                            <!-- 通过AJAX动态加载 -->
                        </tbody>
                    </table>
                </div>
            </div>
            
            <div class="dashboard-chart">
                <canvas id="supply-chain-chart" width="800" height="300"></canvas>
            </div>
        </div>
        
        <script>
        jQuery(document).ready(function($) {
            // 加载KPI数据
            $.ajax({
                url: supplyChainData.api_endpoint + 'analytics/kpi',
                method: 'GET',
                beforeSend: function(xhr) {
                    xhr.setRequestHeader('X-WP-Nonce', supplyChainData.nonce);
                },
                success: function(response) {
                    if (response.kpis) {
                        $('#fulfillment-rate').text(response.kpis.order_fulfillment_rate + '%');
                        $('#processing-time').text(response.kpis.avg_order_processing_hours + 'h');
                        $('#inventory-turnover').text(response.kpis.inventory_turnover);
                    }
                }
            });
            
            // 加载库存警报
            loadInventoryAlerts();
            
            // 加载最近订单
            loadRecentOrders();
            
            // 初始化图表
            initSupplyChainChart();
        });
        </script>
        <?php
    }
    
    /**
     * 渲染库存管理页面
     */
    public function render_inventory_page() {
        ?>
        <div class="wrap">
            <h1>库存管理</h1>
            
            <div class="inventory-controls">
                <input type="text" id="inventory-search" placeholder="搜索产品..." />
                <select id="inventory-filter">
                    <option value="all">所有库存</option>
                    <option value="low">低库存</option>
                    <option value="out">缺货</option>
                </select>
                <button id="export-inventory" class="button">导出CSV</button>
            </div>
            
            <table id="inventory-table" class="wp-list-table widefat fixed striped">
                <thead>
                    <tr>
                        <th>产品ID</th>
                        <th>产品名称</th>
                        <th>当前库存</th>
                        <th>重新订货水平</th>
                        <th>供应商</th>
                        <th>最后更新</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody>
                    <!-- 通过AJAX动态加载 -->
                </tbody>
            </table>
            
            <div id="inventory-pagination"></div>
        </div>
        <?php
    }
}
?>

复制

<?php
/**
 * 供应链系统单元测试
 */
class SupplyChainTests extends WP_UnitTestCase {
    
    /**
     * 测试库存更新功能
     */
    public function test_inventory_update() {
        // 创建测试产品
        $product_id = $this->factory->post->create(array(
            'post_type' => 'product'
        ));
        
        // 初始库存应为0
        $this->assertTrue(InventoryManager::update_inventory($product_id, 100));
        
        global $wpdb;
        $table_name = $wpdb->prefix . 'supply_chain_inventory';
        
        $inventory = $wpdb->get_row($wpdb->prepare(
            "SELECT quantity FROM $table_name WHERE product_id = %d",
            $product_id
        ));
        
        $this->assertEquals(100, $inventory->quantity);
        
        // 测试减少库存
        $this->assertTrue(InventoryManager::update_inventory($product_id, -30));
        
        $inventory = $wpdb->get_row($wpdb->prepare(
            "SELECT quantity FROM $table_name WHERE product_id = %d",
            $product_id
        ));
        
        $this->assertEquals(70, $inventory->quantity);
        
        // 测试库存不会低于0
        $this->assertTrue(InventoryManager::update_inventory($product_id, -100));
        
        $inventory = $wpdb->get_row($wpdb->prepare(
            "SELECT quantity FROM $table_name WHERE product_id = %d",
            $product_id
        ));
        
        $this->assertEquals(0, $inventory->quantity);
    }
    
    /**
     * 测试供应商自定义帖子类型
     */
    public function test_supplier_post_type() {
        $post_types = get_post_types();
        $this->assertArrayHasKey('supplier', $post_types);
        
        // 创建测试供应商
        $supplier_id = $this->factory->post->create(array(
            'post_type' => 'supplier',
            'post_title' => '测试供应商'
        ));
        
        $supplier = get_post($supplier_id);
        $this->assertEquals('supplier', $supplier->post_type);
        $this->assertEquals('测试供应商', $supplier->post_title);
    }
    
    /**
     * 测试API权限验证
     */
    public function test_api_permission() {
        $api = new SupplyChainAPI();
        
        // 测试无权限情况
        $request = new WP_REST_Request();
        $this->assertFalse($api->check_api_permission($request));
        
        // 创建有权限的用户
        $user_id = $this->factory->user->create(array(
            'role' => 'administrator'
        ));
        wp_set_current_user($user_id);
        
        $this->assertTrue($api->check_api_permission($request));
    }
}

/**
 * 集成测试：完整订单流程
 */
function test_complete_order_workflow() {
    // 1. 创建供应商
    // 2. 添加产品库存
    // 3. 创建客户订单
    // 4. 验证库存扣减
    // 5. 生成采购订单
    // 6. 验证整个流程
}
?>

1. 环境检查

   • PHP版本 ≥ 7.4
   • MySQL版本 ≥ 5.7
   • WordPress版本 ≥ 6.0
   • WooCommerce插件已安装

2. 数据库备份

   复制

   -- 备份现有数据
   mysqldump -u username -p database_name > backup.sql
   
   -- 创建新表
   source supply_chain_tables.sql

3. 文件部署

   复制

   /wp-content/plugins/supply-chain-system/
   ├── supply-chain.php          # 主插件文件
   ├── includes/                 # 包含文件
   │   ├── class-inventory.php
   │   ├── class-suppliers.php
   │   ├── class-api.php
   │   └── class-analytics.php
   ├── assets/                   # 静态资源
   │   ├── css/
   │   ├── js/
   │   └── images/
   ├── templates/                # 模板文件
   └── uninstall.php             # 卸载脚本

4. 配置步骤

   • 激活插件
   • 运行数据库安装脚本
   • 配置API密钥
   • 设置初始供应商
   • 配置库存参数

1. 数据库优化

   复制

   -- 每周执行一次
   OPTIMIZE TABLE wp_supply_chain_inventory;
   ANALYZE TABLE wp_supply_chain_purchase_orders;
   
   -- 清理旧日志
   DELETE FROM wp_supply_chain_logs 
   WHERE log_date < DATE_SUB(NOW(), INTERVAL 90 DAY);

2. 性能监控

   复制

   <?php
   /**
    * 系统性能监控
    */
   class PerformanceMonitor {
       public static function log_performance() {
           $memory_usage = memory_get_usage(true) / 1024 / 1024; // MB
           $load_time = timer_stop(0, 3); // 秒
           
           if ($memory_usage > 256 || $load_time > 3) {
               error_log(sprintf(
                   "性能警报: 内存使用 %.2fMB, 加载时间 %.3fs",
                   $memory_usage,
                   $load_time
               ));
           }
       }
   }
   add_action('shutdown', array('PerformanceMonitor', 'log_performance'));
   ?>

1. 多仓库支持

   复制

   // 扩展库存表支持多仓库
   ALTER TABLE wp_supply_chain_inventory
   ADD warehouse_id INT(11) AFTER product_id,
   ADD INDEX (warehouse_id);

2. 预测分析模块

   复制

   class DemandForecaster {
       public function predict_demand($product_id, $period = 'monthly') {
           // 使用历史销售数据进行需求预测
           // 可集成机器学习算法
       }
   }

3. 移动端应用

复制

// 使用React Native或Flutter开发移动应用