C++快速调用DeepSeek API的完整指南

#include <cpprest/http_client.h>
#include <cpprest/json.h>
#include <iostream>

using namespace web;
using namespace web::http;
using namespace web::http::client;
using namespace utility;

int main()
{
    // 设置API Key和API URL
    const utility::string_t apiKey = U("your_api_key_here"); // 替换为你的API Key
    const utility::string_t apiUrl = U("https://api.deepseek.com/chat/completions");
 
    // 创建HTTP客户端
    http_client client(apiUrl);
 
    // 构建请求体
    json::value request;
    request[U("model")] = json::value(U("deepseek-chat")); // 使用DeepSeek模型
    json::value messages = json::value::array();
    json::value userMessage;
    userMessage[U("role")] = json::value(U("user"));
    userMessage[U("content")] = json::value(U("你好，DeepSeek！"));
    messages[0] = userMessage;
    request[U("messages")] = messages;
 
    // 创建HTTP请求
    http_request req(methods::POST);
    req.headers().add(U("Authorization"), U("Bearer ") + apiKey);
    req.headers().add(U("Content-Type"), U("application/json"));
    req.set_body(request);
 
    // 发送请求并处理响应
    client.request(req)
        .then([=](http_response response) {
            return response.extract_json();
        })
        .then([=](json::value jsonResponse) {
            if (jsonResponse.has_field(U("choices")))
            {
                auto choices = jsonResponse[U("choices")].as_array();
                if (!choices.empty())
                {
                    auto content = choices[0][U("message")][U("content")].as_string();
                    std::wcout << L"Response from DeepSeek: " << content.c_str() << std::endl;
                }
            }
        })
        .wait();
 
    return 0;
}