更新完善页面

2026-06-03 14:15:55 +08:00
parent 4b7ae9c933
commit 1675662537
57 changed files with 7625 additions and 883 deletions
@@ -16,44 +16,109 @@ const config = {
  password: requireEnv('DB_PASSWORD', ''),
  database: requireEnv('DB_NAME', 'miniprogram'),
  waitForConnections: true,
-  connectionLimit: 10,
+  connectionLimit: parseInt(process.env.DB_POOL_LIMIT) || 10,
  queueLimit: 0
 }

+const SLOW_QUERY_MS = parseInt(process.env.SLOW_QUERY_MS) || 500
+
 const pool = mysql.createPool(config)

+const queryStats = {
+  total: 0,
+  slow: 0,
+  errors: 0,
+  totalDurationMs: 0,
+  lastSlow: []
+}
+
+function recordSlow(sql, durationMs, params) {
+  queryStats.slow += 1
+  const entry = {
+    sql: sql.replace(/\s+/g, ' ').slice(0, 200),
+    durationMs: Math.round(durationMs),
+    paramCount: Array.isArray(params) ? params.length : 0,
+    at: new Date().toISOString()
+  }
+  queryStats.lastSlow.unshift(entry)
+  if (queryStats.lastSlow.length > 20) queryStats.lastSlow.pop()
+  console.warn('[SLOW QUERY]', entry.durationMs + 'ms', entry.sql)
+}
+
 async function query(sql, params = []) {
+  const start = Date.now()
  const connection = await pool.getConnection()
  try {
-    const [rows, fields] = await connection.execute(sql, params)
+    const [rows] = await connection.execute(sql, params)
+    const duration = Date.now() - start
+    queryStats.total += 1
+    queryStats.totalDurationMs += duration
+    if (duration >= SLOW_QUERY_MS) recordSlow(sql, duration, params)
    return rows
+  } catch (err) {
+    queryStats.errors += 1
+    throw err
  } finally {
    connection.release()
  }
 }

+function getPoolMetrics() {
+  const p = pool.pool || pool
+  return {
+    connectionLimit: config.connectionLimit,
+    allConnections: (p._allConnections && p._allConnections.length) || 0,
+    freeConnections: (p._freeConnections && p._freeConnections.length) || 0,
+    acquiringConnections: (p._acquiringConnections && p._acquiringConnections.length) || 0,
+    queue: (p._connectionQueue && p._connectionQueue.length) || 0
+  }
+}
+
+function getQueryStats() {
+  const avg = queryStats.total > 0 ? Math.round(queryStats.totalDurationMs / queryStats.total) : 0
+  return {
+    total: queryStats.total,
+    slow: queryStats.slow,
+    errors: queryStats.errors,
+    avgDurationMs: avg,
+    lastSlow: queryStats.lastSlow.slice(0, 10)
+  }
+}
+
+function resetQueryStats() {
+  queryStats.total = 0
+  queryStats.slow = 0
+  queryStats.errors = 0
+  queryStats.totalDurationMs = 0
+  queryStats.lastSlow = []
+}
+
 async function initDatabase() {
  try {
    const connection = await mysql.createConnection({
      host: config.host,
      port: config.port,
      user: config.user,
-      password: config.password,
-      multipleStatements: true
+      password: config.password
    })
-    
+
    await connection.query(`CREATE DATABASE IF NOT EXISTS ${config.database} CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci`)
    await connection.query(`USE ${config.database}`)
-    
+
    const fs = require('fs')
    const path = require('path')
    const schema = fs.readFileSync(path.join(__dirname, 'schema.sql'), 'utf8')
    const statements = schema.split(';').filter(s => s.trim())
-    
+
    for (const statement of statements) {
-      await connection.query(statement)
+      try {
+        await connection.query(statement)
+      } catch (e) {
+        if (/Duplicate column name|already exists|exists/i.test(e.message)) continue
+        throw e
+      }
    }
-    
+
    await connection.end()
    console.log('Database initialized successfully')
  } catch (error) {
@@ -77,10 +142,37 @@ async function transaction(callback) {
  }
 }

+let healthCheckTimer = null
+
+function startHealthCheck(intervalMs = 30000) {
+  if (healthCheckTimer) clearInterval(healthCheckTimer)
+  healthCheckTimer = setInterval(async () => {
+    try {
+      const connection = await pool.getConnection()
+      await connection.ping()
+      connection.release()
+    } catch (err) {
+      console.error('Database health check failed:', err.message)
+    }
+  }, intervalMs)
+}
+
+function stopHealthCheck() {
+  if (healthCheckTimer) {
+    clearInterval(healthCheckTimer)
+    healthCheckTimer = null
+  }
+}
+
 module.exports = {
  pool,
  query,
  transaction,
  initDatabase,
+  startHealthCheck,
+  stopHealthCheck,
+  getPoolMetrics,
+  getQueryStats,
+  resetQueryStats,
  config
 }
@@ -1,5 +1,5 @@
-// 服务端域名配置 - 从环境变量读取，默认 IP
-const BASE_URL = process.env.BASE_URL || 'http://110.42.255.239:3006'
+// 服务端域名配置 - 从环境变量读取，默认正式域名
+const BASE_URL = process.env.BASE_URL || 'https://donghy.top'

 const DOMAIN_CONFIG = {
  BASE_URL: BASE_URL,
@@ -40,7 +40,7 @@ CREATE TABLE IF NOT EXISTS `users` (
  `name` varchar(100) DEFAULT NULL COMMENT '用户名',
  `avatar` varchar(255) DEFAULT NULL COMMENT '头像',
  `points` int(11) DEFAULT 0 COMMENT '积分',
-  `role` tinyint(1) DEFAULT 0 COMMENT '角色 0-普通用户 1-店员',
+  `role` tinyint(1) DEFAULT 0 COMMENT '角色 0-普通用户 1-店员 2-管理员',
  `status` tinyint(1) DEFAULT 1 COMMENT '状态 1-正常 0-禁用',
  `openid` varchar(100) DEFAULT NULL COMMENT '微信openid',
  `token` varchar(100) DEFAULT NULL COMMENT '登录token',
@@ -196,6 +196,14 @@ ALTER TABLE `goods` ADD INDEX IF NOT EXISTS `idx_goods_is_hot` (`is_hot`);
 ALTER TABLE `goods` ADD INDEX IF NOT EXISTS `idx_goods_is_new` (`is_new`);
 ALTER TABLE `goods` ADD INDEX IF NOT EXISTS `idx_goods_name` (`name`(100));

+-- 商品表新增上下架字段
+ALTER TABLE `goods` ADD COLUMN IF NOT EXISTS `is_on_sale` tinyint(1) DEFAULT 1 COMMENT '是否上架 1-上架 0-下架';
+ALTER TABLE `goods` ADD COLUMN IF NOT EXISTS `cost_price` decimal(10,2) DEFAULT 0.00 COMMENT '进价';
+
+-- 商品表全文索引：关键词搜索加速 (MySQL 5.7+/8.0)
+-- 注意：FULLTEXT 需 MyISAM 或 InnoDB 5.6+；若不支持会被忽略
+ALTER TABLE `goods` ADD FULLTEXT INDEX IF NOT EXISTS `ft_goods_name_desc` (`name`, `description`);
+
 -- 分类表索引：按排序字段排序
 ALTER TABLE `categories` ADD INDEX IF NOT EXISTS `idx_categories_sort_order` (`sort_order`);

@@ -204,4 +212,115 @@ ALTER TABLE `points_logs` ADD INDEX IF NOT EXISTS `idx_points_logs_type` (`type`

 -- 采购单表索引：按状态筛选、按时间排序
 ALTER TABLE `purchases` ADD INDEX IF NOT EXISTS `idx_purchases_status` (`status`);
-ALTER TABLE `purchases` ADD INDEX IF NOT EXISTS `idx_purchases_created_at` (`created_at`);
+ALTER TABLE `purchases` ADD INDEX IF NOT EXISTS `idx_purchases_created_at` (`created_at`);
+
+-- 购物车表
+CREATE TABLE IF NOT EXISTS `carts` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `user_id` int(11) NOT NULL COMMENT '用户ID',
+  `goods_id` int(11) NOT NULL COMMENT '商品ID',
+  `quantity` int(11) NOT NULL DEFAULT 1 COMMENT '数量',
+  `weight` decimal(10,2) DEFAULT NULL COMMENT '称重(kg)',
+  `selected` tinyint(1) DEFAULT 1 COMMENT '是否选中',
+  `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
+  `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `user_goods` (`user_id`, `goods_id`),
+  KEY `user_id` (`user_id`),
+  KEY `goods_id` (`goods_id`),
+  CONSTRAINT `carts_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
+  CONSTRAINT `carts_ibfk_2` FOREIGN KEY (`goods_id`) REFERENCES `goods` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='购物车表';
+
+-- 购物车表索引
+ALTER TABLE `carts` ADD INDEX IF NOT EXISTS `idx_carts_user_id` (`user_id`);
+ALTER TABLE `carts` ADD INDEX IF NOT EXISTS `idx_carts_selected` (`selected`);
+
+-- 退款表
+CREATE TABLE IF NOT EXISTS `refunds` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `order_id` varchar(50) NOT NULL COMMENT '订单ID',
+  `user_id` int(11) NOT NULL COMMENT '用户ID',
+  `type` tinyint(1) DEFAULT 1 COMMENT '退款类型 1-仅退款 2-退货退款',
+  `reason` varchar(500) NOT NULL COMMENT '退款原因',
+  `amount` decimal(10,2) NOT NULL COMMENT '退款金额',
+  `status` tinyint(1) DEFAULT 0 COMMENT '状态 0-待处理 1-已通过 2-已拒绝',
+  `admin_remark` varchar(500) DEFAULT NULL COMMENT '管理员备注',
+  `processed_at` datetime DEFAULT NULL COMMENT '处理时间',
+  `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
+  `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`),
+  KEY `order_id` (`order_id`),
+  KEY `user_id` (`user_id`),
+  KEY `status` (`status`),
+  CONSTRAINT `refunds_ibfk_1` FOREIGN KEY (`order_id`) REFERENCES `orders` (`id`),
+  CONSTRAINT `refunds_ibfk_2` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='退款申请表';
+
+-- 退款表索引
+ALTER TABLE `refunds` ADD INDEX IF NOT EXISTS `idx_refunds_status` (`status`);
+ALTER TABLE `refunds` ADD INDEX IF NOT EXISTS `idx_refunds_created_at` (`created_at`);
+
+-- 首页分类配置表
+CREATE TABLE IF NOT EXISTS `home_categories` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `category_id` int(11) NOT NULL COMMENT '分类ID',
+  `sort_order` int(11) DEFAULT 0 COMMENT '排序顺序',
+  `is_enabled` tinyint(1) DEFAULT 1 COMMENT '是否启用',
+  `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
+  `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`),
+  KEY `category_id` (`category_id`),
+  KEY `is_enabled` (`is_enabled`),
+  KEY `sort_order` (`sort_order`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='首页分类配置表';
+
+-- 首页分类默认数据
+INSERT INTO `home_categories` (`category_id`, `sort_order`, `is_enabled`) VALUES
+(1, 1, 1),
+(10, 2, 1),
+(42, 3, 1),
+(49, 4, 1),
+(37, 5, 1),
+(13, 6, 1),
+(2, 7, 1),
+(5, 8, 1);
+
+-- 库存调整流水表 (P1-D2)
+CREATE TABLE IF NOT EXISTS `stock_logs` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `goods_id` int(11) NOT NULL COMMENT '商品ID',
+  `change_qty` int(11) NOT NULL COMMENT '变更量 (正=入库/负=出库)',
+  `before_qty` int(11) NOT NULL COMMENT '变更前库存',
+  `after_qty` int(11) NOT NULL COMMENT '变更后库存',
+  `reason` varchar(50) NOT NULL COMMENT '原因: purchase/sale/manual/refund',
+  `ref_id` varchar(64) DEFAULT NULL COMMENT '关联单据ID(采购单/订单号)',
+  `operator_id` int(11) DEFAULT NULL COMMENT '操作员ID',
+  `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`),
+  KEY `goods_id` (`goods_id`),
+  KEY `reason` (`reason`),
+  KEY `created_at` (`created_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='库存流水表';
+
+-- token 黑名单 (服务端 logout 强制失效)
+CREATE TABLE IF NOT EXISTS `token_blacklist` (
+  `jti` varchar(64) NOT NULL COMMENT 'JWT ID',
+  `user_id` int(11) NOT NULL COMMENT '用户ID',
+  `expired_at` datetime NOT NULL COMMENT '原 token 过期时间',
+  `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`jti`),
+  KEY `user_id` (`user_id`),
+  KEY `expired_at` (`expired_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='JWT 黑名单';
+
+-- AI 调用限流与缓存
+CREATE TABLE IF NOT EXISTS `ai_cache` (
+  `key_hash` char(64) NOT NULL COMMENT '请求 hash',
+  `response` text NOT NULL COMMENT '响应体',
+  `hits` int(11) DEFAULT 1,
+  `expires_at` datetime NOT NULL,
+  `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`key_hash`),
+  KEY `expires_at` (`expires_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='AI 响应缓存';