后端开发完成

backend/docs/init.sql

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+-- 创建数据库
+CREATE DATABASE IF NOT EXISTS project_management CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- 创建用户并授权
+CREATE USER IF NOT EXISTS 'project_user'@'localhost' IDENTIFIED BY 'project_password';
+GRANT ALL PRIVILEGES ON project_management.* TO 'project_user'@'localhost';
+FLUSH PRIVILEGES;
+
+-- 使用数据库
+USE project_management;
+
+-- 创建用户表
+CREATE TABLE IF NOT EXISTS users (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    username VARCHAR(50) UNIQUE NOT NULL,
+    password VARCHAR(100) NOT NULL,
+    department VARCHAR(50) NOT NULL,
+    role VARCHAR(20) NOT NULL,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+);
+
+-- 创建项目表
+CREATE TABLE IF NOT EXISTS projects (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    name VARCHAR(100) NOT NULL,
+    description TEXT,
+    created_by INT NOT NULL,
+    department VARCHAR(50) NOT NULL,
+    budget INT,
+    start_date DATETIME,
+    end_date DATETIME,
+    status VARCHAR(20) DEFAULT 'pending',
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (created_by) REFERENCES users(id)
+);
+
+-- 创建项目历史记录表
+CREATE TABLE IF NOT EXISTS project_histories (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    project_id INT NOT NULL,
+    changed_by INT NOT NULL,
+    change_field VARCHAR(100) NOT NULL,
+    old_value TEXT,
+    new_value TEXT,
+    change_description TEXT,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (project_id) REFERENCES projects(id),
+    FOREIGN KEY (changed_by) REFERENCES users(id)
+);
+
+-- 插入初始用户数据
+INSERT INTO users (username, password, department, role) VALUES
+('admin', '$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW', 'IT', 'admin'),
+('marketing', '$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW', 'Marketing', 'marketing'),
+('other', '$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW', 'Other', 'other');
+
+-- 密码说明：上面的密码是 '123456' 的 bcrypt 哈希值