import mysql.connector
from mysql.connector import errorcode


DB_CONFIG = {
    'host': 'localhost',
    'user': 'root',
    'password': '123456',  # 替换为你的 MySQL 密码
    'port': 3306
}


DATABASE_NAME = 'tgst01'


SQL_SCRIPT = """
SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for announcements
-- ----------------------------
DROP TABLE IF EXISTS `announcements`;
CREATE TABLE `announcements` (
  `id` int NOT NULL AUTO_INCREMENT,
  `text` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
  `start_time` datetime NOT NULL,
  `end_time` datetime NOT NULL,
  `color` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
  `created_at` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for coupons
-- ----------------------------
DROP TABLE IF EXISTS `coupons`;
CREATE TABLE `coupons` (
  `coupon_id` int NOT NULL AUTO_INCREMENT,
  `coupon_code` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  `discount_type` enum('fixed','percentage') CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  `discount_amount` decimal(10,2) DEFAULT NULL,
  `min_order_amount` decimal(10,2) DEFAULT NULL,
  `valid_from` datetime DEFAULT NULL,
  `valid_to` datetime DEFAULT NULL,
  `is_active` tinyint(1) DEFAULT '1',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `quantity` int DEFAULT NULL,
  PRIMARY KEY (`coupon_id`),
  UNIQUE KEY `coupon_code` (`coupon_code`)
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for game_groups
-- ----------------------------
DROP TABLE IF EXISTS `game_groups`;
CREATE TABLE `game_groups` (
  `group_id` int NOT NULL AUTO_INCREMENT,
  `user_id` int NOT NULL,
  `group_name` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
  `description` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin,
  `start_date` date DEFAULT NULL,
  `start_time` datetime DEFAULT NULL,
  `end_time` datetime DEFAULT NULL,
  `max_members` int DEFAULT NULL,
  `group_status` enum('recruiting','full','completed','cancelled','pause') CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT 'recruiting',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `play_start_time` datetime DEFAULT NULL,
  `play_end_time` datetime DEFAULT NULL,
  PRIMARY KEY (`group_id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for game_tables
-- ----------------------------
DROP TABLE IF EXISTS `game_tables`;
CREATE TABLE `game_tables` (
  `table_id` int NOT NULL AUTO_INCREMENT COMMENT '服务器桌号',
  `game_table_number` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL COMMENT '物理桌号',
  `capacity` int NOT NULL COMMENT '承载人数',
  `price` decimal(10,2) NOT NULL COMMENT '价格倍率',
  `table_pricing_strategy_id` int DEFAULT NULL,
  PRIMARY KEY (`table_id`),
  KEY `tables_price` (`table_pricing_strategy_id`),
  CONSTRAINT `tables_price` FOREIGN KEY (`table_pricing_strategy_id`) REFERENCES `table_pricing_strategies` (`strategy_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for game_tags
-- ----------------------------
DROP TABLE IF EXISTS `game_tags`;
CREATE TABLE `game_tags` (
  `game_id` int NOT NULL,
  `tag_id` int NOT NULL,
  PRIMARY KEY (`game_id`,`tag_id`),
  KEY `tag_id` (`tag_id`),
  CONSTRAINT `game_tags_ibfk_1` FOREIGN KEY (`game_id`) REFERENCES `games` (`game_id`),
  CONSTRAINT `game_tags_ibfk_2` FOREIGN KEY (`tag_id`) REFERENCES `tags` (`tag_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for games
-- ----------------------------
DROP TABLE IF EXISTS `games`;
CREATE TABLE `games` (
  `game_id` int NOT NULL AUTO_INCREMENT,
  `game_name` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
  `game_type` int NOT NULL,
  `description` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin,
  `min_players` int DEFAULT NULL,
  `max_players` int DEFAULT NULL,
  `duration` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin,
  `price` decimal(10,2) DEFAULT NULL,
  `difficulty_level` int DEFAULT NULL,
  `is_available` tinyint(1) DEFAULT '1',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `quantity` int DEFAULT NULL,
  `photo_url` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  `long_description` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_bin,
  PRIMARY KEY (`game_id`)
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for group_members
-- ----------------------------
DROP TABLE IF EXISTS `group_members`;
CREATE TABLE `group_members` (
  `group_member_id` int NOT NULL AUTO_INCREMENT,
  `group_id` int DEFAULT NULL,
  `user_id` int DEFAULT NULL,
  `join_time` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `entry_status` int DEFAULT '1',
  PRIMARY KEY (`group_member_id`),
  KEY `group_id` (`group_id`),
  CONSTRAINT `group_members_ibfk_1` FOREIGN KEY (`group_id`) REFERENCES `game_groups` (`group_id`)
) ENGINE=InnoDB AUTO_INCREMENT=21 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for order_coupons
-- ----------------------------
DROP TABLE IF EXISTS `order_coupons`;
CREATE TABLE `order_coupons` (
  `order_coupon_id` int NOT NULL AUTO_INCREMENT,
  `order_id` int DEFAULT NULL,
  `coupon_id` int DEFAULT NULL,
  PRIMARY KEY (`order_coupon_id`),
  KEY `order_id` (`order_id`),
  KEY `coupon_id` (`coupon_id`),
  CONSTRAINT `order_coupons_ibfk_1` FOREIGN KEY (`order_id`) REFERENCES `orders` (`order_id`),
  CONSTRAINT `order_coupons_ibfk_2` FOREIGN KEY (`coupon_id`) REFERENCES `coupons` (`coupon_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for orders
-- ----------------------------
DROP TABLE IF EXISTS `orders`;
CREATE TABLE `orders` (
  `order_id` int NOT NULL COMMENT '订单 id',
  `user_id` int NOT NULL COMMENT '下单用户 id',
  `game_table_id` int NOT NULL COMMENT '占用游戏桌 id',
  `game_id` int DEFAULT NULL COMMENT '使用游戏 id',
  `order_date` date NOT NULL COMMENT '下单时间',
  `start_datetime` datetime NOT NULL COMMENT '订单开始时间',
  `end_datetime` datetime DEFAULT NULL COMMENT '订单结束时间',
  `num_players` int NOT NULL COMMENT '游玩人数',
  `payable_price` decimal(10,2) DEFAULT NULL COMMENT '未优惠价格',
  `order_status` enum('pending','paid','in_progress','completed','cancelled') CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT 'pending' COMMENT '订单状态',
  `payment_method` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL COMMENT '支付平台',
  `coupon_id` int DEFAULT NULL COMMENT '优惠卷 id',
  `used_points` int DEFAULT NULL COMMENT '使用积分',
  `paid_price` decimal(10,2) DEFAULT '0.00' COMMENT '优惠后价格',
  `game_process_time` int DEFAULT NULL COMMENT '游戏时长',
  `settlement_time` datetime DEFAULT NULL,
  `wx_transaction_id` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin,
  `out_trade_no` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  `pricing_strategy_id` int NOT NULL COMMENT '绑定的价格策略 ID',
  PRIMARY KEY (`order_id`),
  KEY `user_id` (`user_id`),
  KEY `game_table_id` (`game_table_id`),
  KEY `game_id` (`game_id`),
  KEY `coupon_id` (`coupon_id`),
  KEY `orders_ibfk_4` (`pricing_strategy_id`),
  CONSTRAINT `orders_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`),
  CONSTRAINT `orders_ibfk_2` FOREIGN KEY (`game_table_id`) REFERENCES `game_tables` (`table_id`),
  CONSTRAINT `orders_ibfk_3` FOREIGN KEY (`game_id`) REFERENCES `games` (`game_id`),
  CONSTRAINT `orders_ibfk_4` FOREIGN KEY (`pricing_strategy_id`) REFERENCES `pricing_strategies` (`strategy_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for player_messages
-- ----------------------------
DROP TABLE IF EXISTS `player_messages`;
CREATE TABLE `player_messages` (
  `message_id` int NOT NULL AUTO_INCREMENT,
  `user_id` int NOT NULL,
  `message_content` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`message_id`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `player_messages_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`) ON DELETE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for player_reviews
-- ----------------------------
DROP TABLE IF EXISTS `player_reviews`;
CREATE TABLE `player_reviews` (
  `review_id` int NOT NULL AUTO_INCREMENT,
  `user_id` int NOT NULL,
  `game_id` int NOT NULL,
  `rating` tinyint NOT NULL COMMENT '玩家的打分，范围可以根据实际情况设定，如 1 - 5 星',
  `comment` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin COMMENT '玩家的评论内容，可以为空',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`review_id`),
  KEY `user_id` (`user_id`),
  KEY `game_id` (`game_id`),
  CONSTRAINT `player_reviews_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`) ON DELETE CASCADE,
  CONSTRAINT `player_reviews_ibfk_2` FOREIGN KEY (`game_id`) REFERENCES `games` (`game_id`) ON DELETE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for points_history
-- ----------------------------
DROP TABLE IF EXISTS `points_history`;
CREATE TABLE `points_history` (
  `id` int NOT NULL AUTO_INCREMENT,
  `user_id` int NOT NULL,
  `change_amount` int NOT NULL,
  `reason` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `points_history_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for pricing_strategies
-- ----------------------------
DROP TABLE IF EXISTS `pricing_strategies`;
CREATE TABLE `pricing_strategies` (
  `strategy_id` int NOT NULL AUTO_INCREMENT COMMENT '价格策略 ID',
  `strategy_name` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '策略名称',
  `description` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci COMMENT '策略描述',
  `segment1_threshold` int NOT NULL COMMENT '第一阶段时间（分钟）',
  `segment1_price` decimal(10,2) NOT NULL COMMENT '第一阶段单价（元/人/分钟）',
  `segment2_threshold` int NOT NULL COMMENT '第二阶段时间（分钟）',
  `segment2_price` decimal(10,2) NOT NULL COMMENT '第二阶段单价（元/人/分钟）',
  `segment3_price` decimal(10,2) NOT NULL COMMENT '第三阶段单价（元/人/分钟）',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `segment3_threshold` int DEFAULT NULL COMMENT '第三阶段时间上限（分钟，可选）',
  PRIMARY KEY (`strategy_id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- ----------------------------
-- Table structure for reviews
-- ----------------------------
DROP TABLE IF EXISTS `reviews`;
CREATE TABLE `reviews` (
  `review_id` int NOT NULL AUTO_INCREMENT,
  `user_id` int DEFAULT NULL,
  `game_id` int DEFAULT NULL,
  `rating` int DEFAULT NULL,
  `comment` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin,
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`review_id`),
  KEY `user_id` (`user_id`),
  KEY `game_id` (`game_id`),
  CONSTRAINT `reviews_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`),
  CONSTRAINT `reviews_ibfk_2` FOREIGN KEY (`game_id`) REFERENCES `games` (`game_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for table_pricing_strategies
-- ----------------------------
DROP TABLE IF EXISTS `table_pricing_strategies`;
CREATE TABLE `table_pricing_strategies` (
  `strategy_id` int NOT NULL AUTO_INCREMENT COMMENT '桌费策略 ID',
  `strategy_name` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '策略名称',
  `description` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci COMMENT '策略描述',
  `segment1_threshold` int NOT NULL COMMENT '第一阶段时间（分钟）',
  `segment1_price` decimal(10,2) NOT NULL COMMENT '第一阶段单价（元/分钟）',
  `segment2_threshold` int NOT NULL COMMENT '第二阶段时间（分钟）',
  `segment2_price` decimal(10,2) NOT NULL COMMENT '第二阶段单价（元/分钟）',
  `segment3_price` decimal(10,2) NOT NULL COMMENT '第三阶段单价（元/分钟）',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `segment3_threshold` int DEFAULT NULL COMMENT '第三阶段时间上限（分钟，可选）',
  PRIMARY KEY (`strategy_id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- ----------------------------
-- Table structure for tags
-- ----------------------------
DROP TABLE IF EXISTS `tags`;
CREATE TABLE `tags` (
  `tag_id` int NOT NULL AUTO_INCREMENT,
  `tag_name` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`tag_id`),
  UNIQUE KEY `tag_name` (`tag_name`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for user_coupons
-- ----------------------------
DROP TABLE IF EXISTS `user_coupons`;
CREATE TABLE `user_coupons` (
  `user_coupon_id` int NOT NULL AUTO_INCREMENT,
  `user_id` int NOT NULL,
  `coupon_id` int NOT NULL,
  `obtained_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `used_at` timestamp NULL DEFAULT NULL,
  `is_used` tinyint(1) DEFAULT '0',
  `valid_from` date DEFAULT NULL,
  `valid_to` date DEFAULT NULL,
  PRIMARY KEY (`user_coupon_id`),
  KEY `coupon_id` (`coupon_id`),
  KEY `idx_user_status` (`user_id`,`is_used`),
  CONSTRAINT `user_coupons_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`) ON DELETE CASCADE,
  CONSTRAINT `user_coupons_ibfk_2` FOREIGN KEY (`coupon_id`) REFERENCES `coupons` (`coupon_id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for user_game_rating
-- ----------------------------
DROP TABLE IF EXISTS `user_game_rating`;
CREATE TABLE `user_game_rating` (
  `id` int NOT NULL AUTO_INCREMENT,
  `user_id` int NOT NULL,
  `game_id` int NOT NULL,
  `rating` tinyint(1) NOT NULL COMMENT '拉为 1，踩为 0',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  KEY `game_id` (`game_id`),
  CONSTRAINT `user_game_rating_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`) ON DELETE CASCADE,
  CONSTRAINT `user_game_rating_ibfk_2` FOREIGN KEY (`game_id`) REFERENCES `games` (`game_id`) ON DELETE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- ----------------------------
-- Table structure for users
-- ----------------------------
DROP TABLE IF EXISTS `users`;
CREATE TABLE `users` (
  `user_id` int NOT NULL AUTO_INCREMENT,
  `username` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
  `password` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
  `phone_number` varchar(15) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  `email` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  `user_type` enum('player','admin') CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT 'player',
  `gender` enum('male','female','other') CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  `points` int DEFAULT '0',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `wx_openid` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  PRIMARY KEY (`user_id`),
  UNIQUE KEY `phone_number` (`phone_number`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

SET FOREIGN_KEY_CHECKS = 1;

"""


def create_database_and_tables():
    try:
        # 第一步：先连到 MySQL Server（不指定数据库）
        cnx = mysql.connector.connect(**DB_CONFIG)
        cursor = cnx.cursor()
        # 创建数据库（如果不存在则创建）
        cursor.execute(f"CREATE DATABASE IF NOT EXISTS {DATABASE_NAME} CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;")
        print(f"Database {DATABASE_NAME} created or already exists.")
        cursor.close()
        cnx.close()

        # 第二步：重新连接到刚创建/已存在的数据库
        cnx = mysql.connector.connect(database=DATABASE_NAME, **DB_CONFIG)
        cursor = cnx.cursor()

        # 由于脚本中有多条语句，需要手动分割执行
        # 简单做法：按分号分割，然后逐条执行
        # 注意如果脚本中有存储过程/触发器之类带有分号的场景，需要更复杂的处理。
        statements = SQL_SCRIPT.split(';')
        for stmt in statements:
            # 去除前后空格
            stmt = stmt.strip()
            if stmt:  # 如果不为空，就执行
                cursor.execute(stmt)

        cursor.close()
        cnx.close()
        print("All tables created successfully!")

    except mysql.connector.Error as err:
        if err.errno == errorcode.ER_ACCESS_DENIED_ERROR:
            print("连接数据库失败：用户名或密码错误。")
        elif err.errno == errorcode.ER_BAD_DB_ERROR:
            print("数据库不存在，且创建失败。")
        else:
            print(err)
    except Exception as e:
        print("执行过程中出现错误：", e)


if __name__ == "__main__":
    create_database_and_tables()