C#调用DeepSeek API的方法详解

//引用
using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using Newtonsoft.Json; 

//请求
class Program
{
    private static readonly string apiKey = "your_deepseek_api_key"; // 替换为你的 API 密钥
    private static readonly string apiUrl = "https://api.deepseek.com/v1/endpoint"; // 替换为 API 的 URL

    static async Task Main(string[] args)
    {
        // 构造请求数据
        var requestData = new
        {
            prompt = "Hello, DeepSeek!", // 示例请求参数
            max_tokens = 50
        };

        // 调用 API
        var response = await CallDeepSeekAPI(requestData);

        // 输出结果
        Console.WriteLine("API 响应:");
        Console.WriteLine(response);
    }

    static async Task<string> CallDeepSeekAPI(object requestData)
    {
        using (var client = new HttpClient())
        {
            // 设置请求头
            client.DefaultRequestHeaders.Add("Authorization", $"Bearer {apiKey}");
            client.DefaultRequestHeaders.Add("Accept", "application/json");

            // 将请求数据序列化为 JSON
            var jsonContent = JsonConvert.SerializeObject(requestData);
            var httpContent = new StringContent(jsonContent, Encoding.UTF8, "application/json");

            // 发送 POST 请求
            var response = await client.PostAsync(apiUrl, httpContent);

            // 检查响应状态
            if (response.IsSuccessStatusCode)
            {
                // 读取响应内容
                var responseJson = await response.Content.ReadAsStringAsync();
                return responseJson;
            }
            else
            {
                // 处理错误
                var errorResponse = await response.Content.ReadAsStringAsync();
                throw new Exception($"API 调用失败: {response.StatusCode}\n{errorResponse}");
            }
        }
    }
}