使用C++和代理IP实现天气预报的采集

#include <iostream>  
#include <string>  
#include <cstring>  
#include <winsock2.h>  
  
const int BUFSIZE = 1024;  
const int PORT = 8080; // 代理服务器端口  
const char* SERVER = "127.0.0.1"; // 代理服务器地址  
  
int main() {  
    WSADATA wsaData;  
    SOCKET sock;  
    struct sockaddr_in server;  
    char buffer[BUFSIZE];  
    std::string request, response;  
  
    // 初始化Winsock库  
    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {  
        std::cerr << "Failed to initialize Winsock library." << std::endl;  
        return 1;  
    }  
  
    // 创建socket对象  
    sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);  
    if (sock == INVALID_SOCKET) {  
        std::cerr << "Failed to create socket." << std::endl;  
        WSACleanup();  
        return 1;  
    }  
  
    // 设置代理服务器地址和端口号  
    server.sin_family = AF_INET;  
    server.sin_addr.s_addr = inet_addr(SERVER);  
    server.sin_port = htons(PORT);  
  
    // 连接到代理服务器  
    if (connect(sock, (struct sockaddr*)&server, sizeof(server)) == SOCKET_ERROR) {  
        std::cerr << "Failed to connect to proxy server." << std::endl;  
        closesocket(sock);  
        WSACleanup();  
        return 1;  
    }  
  
    // 构建天气预报请求（此处仅为示例，实际请求需根据目标网站的具体情况构建）  
    request = "GET /weather HTTP/1.1\r\nHost: weather.example.com\r\n\r\n";  
    send(sock, request.c_str(), request.size(), 0);  
  
    // 接收响应并处理（此处仅为示例，实际处理需根据目标网站的具体情况）  
    while (true) {  
        int bytesReceived = recv(sock, buffer, BUFSIZE, 0);  
        if (bytesReceived <= 0) break; // 结束循环或发生错误  
        response += std::string(buffer, bytesReceived); // 将接收到的数据添加到响应字符串中  
    }  
    std::cout << "Weather Forecast: " << response << std::endl; // 打印天气预报信息（假设响应中包含天气信息）  
  
    // 关闭socket和清理Winsock库资源  
    closesocket(sock);  
    WSACleanup();  
    return 0;  
}