先上图,结果如图
先去官方网站充值api费用,默认
对应的C#代码封装
1 public class DeepSeekHelper
2 {
3 private static readonly HttpClient client = new HttpClient();
4 private const string ApiEndpoint = "https://api.deepseek.com/v1/chat/completions";
5 private static readonly string apiKey = "你的apikey";
6 public static async Task<string> CallDeepSeekAPI(string userQuestion)
7 {
8 ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
9 try
10 {
11 // 设置请求头
12 client.DefaultRequestHeaders.Clear();
13 client.DefaultRequestHeaders.Add("Authorization", $"Bearer {apiKey}");
14 client.DefaultRequestHeaders.Add("Accept", "application/json");
15
16 // 构建请求体
17 var requestBody = new
18 {
19 model = "deepseek-reasoner", // 根据实际模型调整
20 messages = new[]
21 {
22 new
23 {
24 role = "user",
25 content = userQuestion
26 }
27 },
28 temperature = 0.7
29 };
30
31 // 序列化请求体
32 //var jsonContent = JsonSerializer.Serialize(requestBody);
33 var jsonContent = JsonConvert.SerializeObject(requestBody);
34 var content = new StringContent(jsonContent, Encoding.UTF8, "application/json");
35
36 // 发送请求
37 var response = await client.PostAsync(ApiEndpoint, content);
38
39 // 处理响应
40 if (!response.IsSuccessStatusCode)
41 {
42 throw new Exception($"API请求失败: {response.StatusCode}");
43 }
44
45 var responseContent = await response.Content.ReadAsStringAsync();
46 var resultModel = JsonConvert.DeserializeObject<DeepSeekResponse>(responseContent);
47 if (resultModel != null && resultModel.Choices.Count > 0)
48 return resultModel.Choices[0].Message.Content;
49 return responseContent;
50 }
51 catch (Exception ex)
52 {
53 // 处理异常
54 return $"调用API时发生错误: {ex.Message}";
55 }
56 }
57 }
58
59
60
61 public class DeepSeekResponse
62 {
63 public string Id { get; set; }
64 public string Object { get; set; }
65 public long Created { get; set; }
66 public string Model { get; set; }
67 public List<Choice> Choices { get; set; }
68 public Usage Usage { get; set; }
69 public string SystemFingerprint { get; set; }
70
71 // 重写ToString方法以便更好地显示对象信息
72 public override string ToString()
73 {
74 return $"DeepSeekResponse(Id={Id}, Object={Object}, Created={Created}, Model={Model}, Choices={string.Join(", ", Choices)}, Usage={Usage}, SystemFingerprint={SystemFingerprint})";
75 }
76 }
77
78 public class Choice
79 {
80 public int Index { get; set; }
81 public Message Message { get; set; }
82 // 其他Choice相关的属性...
83
84 // 重写ToString方法以便更好地显示Choice信息（这里仅展示Index和Message作为示例）
85 public override string ToString()
86 {
87 return $"Choice(Index={Index}, Message={Message})";
88 }
89 }
90
91 public class Message
92 {
93 public string Role { get; set; }
94 public string Content { get; set; }
95 // 其他Message相关的属性...
96 }
97
98 public class Usage
99 {
100 public int PromptTokens { get; set; }
101 public int CompletionTokens { get; set; }
102 public int TotalTokens { get; set; }
103 // 其他Usage相关的属性，包括嵌套的字典等，可以根据需要添加
104 }调用示例
private async void SendButton_Click(object sender, RoutedEventArgs e)
{
string requestText = RequestTextBox.Text;
if (!string.IsNullOrWhiteSpace(requestText))
{
try
{
string responseData = await DeepSeekHelper.CallDeepSeekAPI(requestText); // await new DeepSeekApi().CallDeepSeekAPI(chatRequest);
ResponseTextBox.Text = responseData;
}
catch (Exception ex)
{
ResponseTextBox.Text = $"Error: {ex.Message}";
}
}
else
{
MessageBox.Show("Please enter a request.");
}
}常见问题:
1 发送请求时出错 InnerException = {"请求被中止: 未能创建 SSL/TLS 安全通道。"}
指定使用TLS1.2加密协议,添加如下代码
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;2 收到内容为空白
服务器繁忙,请把deepseek-chat模型切换到deepseek-reasoner 试试,或者换个时间再次尝试.
模型区别如下.代码中默认使用了reasoner模型,俗称满血版.
默认账户赠送10元余额.
