📝Docs: 编写初始化 sql 语句

2025-10-10 14:53:37 +08:00
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+-- init.sql
+-- 用户表
+CREATE TABLE users (
+    id INT PRIMARY KEY AUTO_INCREMENT COMMENT "用户id",
+    username VARCHAR(50) UNIQUE NOT NULL COMMENT "用户名",
+    password VARCHAR(255) NOT NULL COMMENT "密码",
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT "创建时间",
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT "更新时间"
+);
+
+-- 角色表
+CREATE TABLE roles (
+    id INT PRIMARY KEY AUTO_INCREMENT COMMENT "角色id",
+    name VARCHAR(50) UNIQUE NOT NULL COMMENT "角色名称",
+    description TEXT COMMENT "角色描述",
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT "创建时间",
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT "更新时间"
+);
+
+-- 权限表
+CREATE TABLE permissions (
+    id INT PRIMARY KEY AUTO_INCREMENT COMMENT "权限id",
+    name VARCHAR(100) UNIQUE NOT NULL COMMENT "权限名称",
+    description TEXT "权限描述",
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT "创建时间",
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE  CURRENT_TIMESTAMP COMMENT "更新时间"
+);
+
+-- 用户-角色关联表
+CREATE TABLE user_roles (
+    user_id INT COMMENT "用户id",
+    role_id INT COMMENT "角色id",
+    PRIMARY KEY (user_id, role_id),
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
+    FOREIGN KEY (role_id) REFERENCES roles(id) ON DELETE CASCADE
+);
+
+-- 角色-权限关联表
+CREATE TABLE role_permissions (
+    role_id INT COMMENT "角色id",
+    permission_id INT COMMENT "权限id",
+    PRIMARY KEY (role_id, permission_id),
+    FOREIGN KEY (role_id) REFERENCES roles(id) ON DELETE CASCADE,
+    FOREIGN KEY (permission_id) REFERENCES permissions(id) ON DELETE CASCADE
+);
+
+-- 商品表
+CREATE TABLE products (
+    id INT PRIMARY KEY AUTO_INCREMENT COMMENT "商品id",
+    name VARCHAR(255) NOT NULLCOMMENT "商品名称",
+    description TEXT COMMENT "商品描述",
+    price DECIMAL(10, 2) NOT NULL COMMENT "商品价格",
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT "创建时间",
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE  CURRENT_TIMESTAMP COMMENT "更新时间"
+);
+
+-- 插入默认角色
+INSERT INTO roles (name, description) VALUES 
+('USER', '普通用户'),
+('ADMIN', '管理员');
+
+-- 插入默认权限
+INSERT INTO permissions (name, description) VALUES 
+('PRODUCT_READ', '读取商品信息'),
+('PRODUCT_CREATE', '创建商品'),
+('PRODUCT_UPDATE', '更新商品'),
+('PRODUCT_DELETE', '删除商品');
+
+-- 给 ADMIN 角色分配所有权限
+INSERT INTO role_permissions (role_id, permission_id)
+SELECT r.id, p.id
+FROM roles r, permissions p
+WHERE r.name = 'ADMIN';
+
+
+-- 给 USER 角色分配读取权限
+INSERT INTO role_permissions (role_id, permission_id)
+SELECT r.id, p.id
+FROM roles r, permissions p
+WHERE r.name = 'USER' and p.name = 'PRODUCT_READ'