What libraries or frameworks are used for web development in C++?

Web development in C++ involves using libraries and frameworks like Boost.ASIO, libcurl, Poco, cppcms, Drogon and Serval. These libraries provide networking functionality, protocol support, and a modular web server framework, simplifying web application development. The sample code shows using the cppcms framework to create a simple web application that receives requests and sends a "Hello, world!" response.

Web Development in C++: Libraries and Frameworks

When it comes to web development in C++, there are various libraries and frameworks Available to choose from. Here are some of the most popular options:

Library

• Boost.ASIO: Cross-platform, high-performance networking library , suitable for building server and client applications.
• libcurl: Provides support for HTTP, HTTPS, FTP and other protocols.
• Poco: A comprehensive C++ library, including network, thread, XML, database and other modules.

Framework

• cppcms: A lightweight MVC framework focused on performance and ease of use.
• Drogon: A modern, high-performance C++17 asynchronous web framework.
• Serval: A modular web server framework that provides routing, middleware and template engine support.

Practical case

The following is an example of using the cppcms framework to create a simple web application:

#include <cppcms/application.h>

class MyController : public cppcms::application {
public:
    void main(std::string url) {
        // 处理请求并生成响应
        content("Hello, world!");
    }
};

int main() {
    cppcms::service app;
    app.route<>()->set_handler(new MyController());
    app.listen("0.0.0.0", 8080);
    app.run();
    return 0;
}

In this example, MyController Class handles HTTP requests and generates responses. Send response text to the client using the content method. main Function sets up routing and starts the web server on port 8080.

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