HTTP请求协议格式如下：
HTTP响应协议格式如下：
#include <iostream>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <string>
#pragma comment(lib, "ws2_32.lib")
//std::string generateResponse(const std::string& request) {
// // 在此处根据实际需求生成相应的HTTP响应
// std::string response = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
// response += "<html><body><h1>Hello, World!</h1></body></html>";
// return response;
//}
std::string generateResponse(const std::string& request) {
// 在此处根据实际需求生成相应的HTTP响应
std::string response = "HTTP/1.1 200 OK\r\n";
response += "Content-Type: text/html\r\n";
response += "Access-Control-Allow-Origin: *\r\n";
//response += "Access-Control-Allow-Origin: http://localhost:8080\r\n"; // 允许http://localhost:8080的请求
response += "Access-Control-Allow-Methods: GET, POST\r\n"; // 允许的请求方法
response += "Access-Control-Allow-Headers: Content-Type\r\n"; // 允许的请求头
response += "\r\n";
response += "<html><body><h1>Hello, World!</h1></body></html>";
return response;
}
int main() {
// 初始化Winsock
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
std::cerr << "Failed to initialize Winsock." << std::endl;
return -1;
}
// 创建监听套接字
SOCKET serverSocket = socket(AF_INET, SOCK_STREAM, 0);
if (serverSocket == INVALID_SOCKET) {
std::cerr << "Failed to create server socket." << std::endl;
WSACleanup();
return -1;
}
// 绑定地址和端口
sockaddr_in serverAddress;
serverAddress.sin_family = AF_INET; // IPv4
serverAddress.sin_addr.s_addr = INADDR_ANY; // 使用任意可用地址
serverAddress.sin_port = htons(8080); // 监听端口8080
if (bind(serverSocket, (sockaddr*)&serverAddress, sizeof(serverAddress)) == SOCKET_ERROR) {
std::cerr << "Bind failed with error: " << WSAGetLastError() << std::endl;
closesocket(serverSocket);
WSACleanup();
return -1;
}
// 开始监听
if (listen(serverSocket, SOMAXCONN) == SOCKET_ERROR) {
std::cerr << "Listen failed with error: " << WSAGetLastError() << std::endl;
closesocket(serverSocket);
WSACleanup();
return -1;
}
std::cout << "Server started. Waiting for connections..." << std::endl;
while (true) {
// 等待客户端连接
sockaddr_in clientAddress;
int clientAddressSize = sizeof(clientAddress);
SOCKET clientSocket = accept(serverSocket, (sockaddr*)&clientAddress, &clientAddressSize);
if (clientSocket == INVALID_SOCKET) {
std::cerr << "Accept failed with error: " << WSAGetLastError() << std::endl;
closesocket(serverSocket);
WSACleanup();
return -1;
}
std::cout << "Client connected." << std::endl;
// 接收和发送数据
const int bufferSize = 4096;
char requestBuffer[bufferSize];
memset(requestBuffer, 0, sizeof(requestBuffer));
if (recv(clientSocket, requestBuffer, sizeof(requestBuffer), 0) == SOCKET_ERROR) {
std::cerr << "Receive failed with error: " << WSAGetLastError() << std::endl;
closesocket(clientSocket);
closesocket(serverSocket);
WSACleanup();
return -1;
}
std::string request(requestBuffer);
// 解析HTTP请求，获取请求路径等信息
std::string requestPath;
size_t firstSpace = request.find(' ');
size_t secondSpace = request.find(' ', firstSpace + 1);
if (firstSpace != std::string::npos && secondSpace != std::string::npos) {
requestPath = request.substr(firstSpace + 1, secondSpace - firstSpace - 1);
}
std::cout << "Request: " << requestPath << std::endl;
// 生成HTTP响应
std::string response = generateResponse(requestPath);
// 发送HTTP响应
if (send(clientSocket, response.c_str(), response.size(), 0) == SOCKET_ERROR) {
std::cerr << "Send failed with error: " << WSAGetLastError() << std::endl;
closesocket(clientSocket);
closesocket(serverSocket);
WSACleanup();
return -1;
}
// 关闭客户端连接
std::cout << "Client disconnected." << std::endl;
closesocket(clientSocket);
}
// 清理Winsock
closesocket(serverSocket);
WSACleanup();
return 0;
} test(){
fetch("http://127.0.0.1:8080").then((response: Response) => {
return response.text()
}).then((value) => {
console.log(value);
console.log("dsfasd");
})
}
