后台完成修复，初始化项目
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155
src/main/resources/sql/schema.sql
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155
src/main/resources/sql/schema.sql
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-- 秒杀系统数据库表结构
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-- 创建数据库和所有必要的表
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-- 创建数据库
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CREATE DATABASE IF NOT EXISTS flash_sale_db CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
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USE flash_sale_db;
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-- ================================
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-- 1. 用户表
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-- ================================
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CREATE TABLE IF NOT EXISTS users
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(
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id BIGINT AUTO_INCREMENT PRIMARY KEY COMMENT '用户ID',
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username VARCHAR(50) NOT NULL UNIQUE COMMENT '用户名',
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password VARCHAR(255) NOT NULL COMMENT '密码（加密）',
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email VARCHAR(100) COMMENT '邮箱',
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phone VARCHAR(20) COMMENT '手机号',
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status TINYINT DEFAULT 1 COMMENT '状态：1-正常，0-禁用',
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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INDEX idx_username (username),
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INDEX idx_email (email),
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INDEX idx_phone (phone),
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INDEX idx_status (status),
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INDEX idx_created_at (created_at)
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) ENGINE = InnoDB
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DEFAULT CHARSET = utf8mb4
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COLLATE = utf8mb4_unicode_ci COMMENT ='用户表';
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-- ================================
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-- 2. 商品表
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-- ================================
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CREATE TABLE IF NOT EXISTS products
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(
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id BIGINT AUTO_INCREMENT PRIMARY KEY COMMENT '商品ID',
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name VARCHAR(200) NOT NULL COMMENT '商品名称',
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description TEXT COMMENT '商品描述',
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price DECIMAL(10, 2) NOT NULL COMMENT '商品价格',
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stock INT NOT NULL DEFAULT 0 COMMENT '库存数量',
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image_url VARCHAR(500) COMMENT '商品图片URL',
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status TINYINT DEFAULT 1 COMMENT '状态：1-上架，0-下架',
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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INDEX idx_name (name),
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INDEX idx_price (price),
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INDEX idx_stock (stock),
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INDEX idx_status (status),
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INDEX idx_created_at (created_at)
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) ENGINE = InnoDB
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DEFAULT CHARSET = utf8mb4
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COLLATE = utf8mb4_unicode_ci COMMENT ='商品表';
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-- ================================
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-- 3. 秒杀活动表
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-- ================================
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CREATE TABLE IF NOT EXISTS flash_sales
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(
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id BIGINT AUTO_INCREMENT PRIMARY KEY COMMENT '秒杀活动ID',
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product_id BIGINT NOT NULL COMMENT '商品ID',
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flash_price DECIMAL(10, 2) NOT NULL COMMENT '秒杀价格',
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flash_stock INT NOT NULL COMMENT '秒杀库存',
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start_time TIMESTAMP NOT NULL COMMENT '开始时间',
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end_time TIMESTAMP NOT NULL COMMENT '结束时间',
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status TINYINT DEFAULT 1 COMMENT '状态：1-未开始，2-进行中，3-已结束',
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE,
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INDEX idx_product_id (product_id),
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INDEX idx_start_time (start_time),
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INDEX idx_end_time (end_time),
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INDEX idx_status (status),
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INDEX idx_created_at (created_at)
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) ENGINE = InnoDB
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DEFAULT CHARSET = utf8mb4
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COLLATE = utf8mb4_unicode_ci COMMENT ='秒杀活动表';
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-- ================================
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-- 4. 订单表
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-- ================================
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CREATE TABLE IF NOT EXISTS orders
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(
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id BIGINT AUTO_INCREMENT PRIMARY KEY COMMENT '订单ID',
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user_id BIGINT NOT NULL COMMENT '用户ID',
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product_id BIGINT NOT NULL COMMENT '商品ID',
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quantity INT NOT NULL DEFAULT 1 COMMENT '购买数量',
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total_price DECIMAL(10, 2) NOT NULL COMMENT '总价',
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status TINYINT DEFAULT 1 COMMENT '状态：1-待支付，2-已支付，3-已发货，4-已完成，5-已取消',
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order_type TINYINT DEFAULT 1 COMMENT '订单类型：1-普通订单，2-秒杀订单',
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE,
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FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE,
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INDEX idx_user_id (user_id),
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INDEX idx_product_id (product_id),
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INDEX idx_status (status),
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INDEX idx_order_type (order_type),
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INDEX idx_created_at (created_at),
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INDEX idx_user_product (user_id, product_id)
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) ENGINE = InnoDB
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DEFAULT CHARSET = utf8mb4
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COLLATE = utf8mb4_unicode_ci COMMENT ='订单表';
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-- ================================
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-- 5. 创建视图（可选）
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-- ================================
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-- 活跃秒杀活动视图
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CREATE OR REPLACE VIEW active_flash_sales AS
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SELECT fs.id,
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fs.product_id,
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p.name as product_name,
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p.price as original_price,
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fs.flash_price,
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fs.flash_stock,
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fs.start_time,
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fs.end_time,
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fs.status,
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p.image_url
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FROM flash_sales fs
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JOIN products p ON fs.product_id = p.id
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WHERE fs.status = 2
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AND fs.start_time <= NOW()
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AND fs.end_time > NOW()
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AND p.status = 1;
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-- 订单统计视图
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CREATE OR REPLACE VIEW order_statistics AS
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SELECT DATE(created_at) as order_date,
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COUNT(*) as total_orders,
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SUM(CASE WHEN status = 1 THEN 1 ELSE 0 END) as pending_orders,
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SUM(CASE WHEN status = 2 THEN 1 ELSE 0 END) as paid_orders,
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SUM(CASE WHEN status = 4 THEN 1 ELSE 0 END) as completed_orders,
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SUM(CASE WHEN order_type = 2 THEN 1 ELSE 0 END) as flash_sale_orders,
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SUM(total_price) as total_amount
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FROM orders
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GROUP BY DATE(created_at)
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ORDER BY order_date DESC;
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-- ================================
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-- 6. 显示表结构
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-- ================================
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SHOW TABLES;
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-- 显示表结构信息
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SELECT TABLE_NAME as '表名',
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TABLE_COMMENT as '表注释',
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TABLE_ROWS as '估计行数'
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FROM information_schema.TABLES
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WHERE TABLE_SCHEMA = 'flash_sale_db'
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AND TABLE_TYPE = 'BASE TABLE'
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ORDER BY TABLE_NAME;
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