全网最全C++云存储项目-支持注册-登录-分享文件-预览视频和图片

std::shared_ptr<Connection> conn(new Connection());
std::weak_ptr<Connection> weakConn = conn;

class Buffer {
Buffer(Buffer&& other) noexcept; // 移动构造函数
Buffer& operator=(Buffer&& other) noexcept; // 移动赋值运算符
};

auto callback = [](const TcpConnectionPtr& conn) {
// 处理连接
};

autoresult=calculateResult();
autoit=container.begin();

void* ptr = nullptr;

for (const auto& item : container) {
// 处理item
}

std::mutex mtx;
std::lock_guard<std::mutex> lock(mtx);

std::atomic<int> counter{0};
counter++;

using namespace std::chrono; 
auto now = system_clock::now();

std::function<void(const TcpConnectionPtr&)> callback; 

           main Thread (Reactor)
                   |
             EventLoop/Epoll
                   |
     --------------------------------
    |              |                |
Accept新连接 读写网络数据 处理业务逻辑

Main Thread (Reactor)      Thread Pool
     |                         |
EventLoop/Epoll          ----------------
     |                   |    |    |    |
IO Events            Worker Worker Worker Worker
     |                   |    |    |    |
Accept/Read/Write   Business Logic Processing

             Main Reactor Thread
                     |
               Accept新连接
                     |
     -------------------------------
     |               |             |
Sub Reactor 1  Sub Reactor 2  Sub Reactor 3
     |               |             |
 IO Events     IO Events       IO Events

Main Reactor Thread
|
Accept新连接
|
---------------------------------
| | |
Sub Reactor 1 Sub Reactor 2 Sub Reactor 3
| | |
IO Events IO Events IO Events
| | |
----------Thread Pool------------
| | | | |
Worker Worker Worker Worker Worker

-- 删除数据库
DROP DATABASE file_manager;
-- 创建数据库
CREATE DATABASE IF NOT EXISTS file_manager DEFAULT CHARACTER SET utf8mb4 COLLATE
utf8mb4_unicode_ci;

USE file_manager;

-- 创建用户表
CREATE TABLE IF NOT EXISTS users (
    id INT PRIMARY KEY AUTO_INCREMENT,
    username VARCHAR(50) NOT NULL UNIQUE,
    password VARCHAR(64) NOT NULL,
    email VARCHAR(100),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_username (username)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 创建会话表
CREATE TABLE IF NOT EXISTS sessions (
    id INT PRIMARY KEY AUTO_INCREMENT,
    session_id VARCHAR(32) NOT NULL UNIQUE,
    user_id INT NOT NULL,
    username VARCHAR(50) NOT NULL,
    expire_time TIMESTAMP NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    INDEX idx_session_id (session_id),
    INDEX idx_user_id (user_id),
    INDEX idx_expire_time (expire_time),
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 创建文件表
CREATE TABLE IF NOT EXISTS files (
    id INT PRIMARY KEY AUTO_INCREMENT,
    filename VARCHAR(255) NOT NULL,
    original_filename VARCHAR(255) NOT NULL,
    file_size BIGINT UNSIGNED NOT NULL,
    file_type VARCHAR(50),
    user_id INT NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_filename (filename),
    INDEX idx_user_id (user_id),
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 创建文件分享表
CREATE TABLE IF NOT EXISTS file_shares (
    id INT PRIMARY KEY AUTO_INCREMENT,
    file_id INT NOT NULL,
    owner_id INT NOT NULL,
    shared_with_id INT,
    share_type ENUM('private', 'public', 'protected', 'user') NOT NULL,
    share_code VARCHAR(32) NOT NULL,
    expire_time TIMESTAMP NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    extract_code VARCHAR(6),
    INDEX idx_file_id (file_id),
    INDEX idx_owner_id (owner_id),
    INDEX idx_shared_with_id (shared_with_id),
    INDEX idx_share_code (share_code),
    INDEX idx_expire_time (expire_time),
    FOREIGN KEY (file_id) REFERENCES files(id) ON DELETE CASCADE,
    FOREIGN KEY (owner_id) REFERENCES users(id) ON DELETE CASCADE,
    FOREIGN KEY (shared_with_id) REFERENCES users(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

// 进入项目目录
cd lesson29_file_manager
// 使用用户名 密码导入数据库
mysql -u username -ppassword < file_manager.sql

mysql -u root -p123456 < file_manager.sql

mysql> use file_manager;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

mysql> show tables;
+------------------------+
| Tables_in_file_manager |
+------------------------+
| file_shares |
| files |
| sessions |
| users |
+------------------------+
4 rows in set (0.00 sec)

cd lesson29_file_manager
mkdir build
cd build
cmake ..
make
运行：
./bin/http_upload

-movflags faststart