Rust网络编程示例：创建基于TCP的简单服务器

本示例演示如何使用Rust编写一个基于TCP的简单服务器。服务器将监听特定端口，接受客户端连接，并向客户端发送简单的消息。这有助于理解Rust中网络编程的基础知识和套接字操作。

use std::io::{Read, Write};
use std::net::{TcpListener, TcpStream};

fn main() {
    let listener = TcpListener::bind("127.0.0.1:8080").expect("Failed to bind");
    println!("Server listening on port 8080...");

    for stream in listener.incoming() {
        match stream {
            Ok(mut stream) => {
                println!("New client connected!");

                let mut buffer = [0; 1024];
                stream.read(&mut buffer).expect("Failed to read");

                println!("Received: {}", String::from_utf8_lossy(&buffer));

                stream.write_all(b"Hello from the server!").expect("Failed to write");
            }
            Err(e) => {
                eprintln!("Error: {}", e);
            }
        }
    }
}

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