水果购物网站数据库

-- 创建用户表
CREATE TABLE users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(50) NOT NULL UNIQUE,
    password VARCHAR(255) NOT NULL,
    address VARCHAR(255)
);

-- 创建水果表
CREATE TABLE fruits (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(50) NOT NULL,
    price DECIMAL(10, 2) NOT NULL,
    stock INT NOT NULL,
    origin VARCHAR(50)
);

-- 创建订单表
CREATE TABLE orders (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user_id INT NOT NULL,
    total_price DECIMAL(10, 2) NOT NULL,
    status VARCHAR(20) NOT NULL,
    FOREIGN KEY (user_id) REFERENCES users(id)
);

-- 创建订单详情表
CREATE TABLE order_items (
    id INT AUTO_INCREMENT PRIMARY KEY,
    order_id INT NOT NULL,
    fruit_id INT NOT NULL,
    quantity INT NOT NULL,
    price DECIMAL(10, 2) NOT NULL,
    FOREIGN KEY (order_id) REFERENCES orders(id),
    FOREIGN KEY (fruit_id) REFERENCES fruits(id)
);