添加项目文件。

Services/IChatService.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace YwxApp.AiChat.Services
+{
+    public interface IChatService
+    {
+        Task<string> GetResponseAsync(string prompt);
+        void Configure(string apiKey, string modelName = "gpt-3.5-turbo");
+    }
+}

Services/OllamaService.cs

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+using System.Net.Http;
+using System.Net.Http.Json;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Windows;
+using static YwxApp.AiChat.Services.OpenAIService;
+
+namespace YwxApp.AiChat.Services
+{
+    public class OllamaService : IChatService
+    {
+        private readonly HttpClient _httpClient;
+        private string _modelName;
+
+        public OllamaService()
+        {
+            _httpClient = new HttpClient();
+        }
+
+        public void Configure(string apiKey, string modelName)
+        {
+            //_httpClient.BaseAddress = new Uri(apiKey);
+            _modelName = modelName;
+        }
+
+        public async Task<string> GetResponseAsync(string prompt)
+        {
+            //var request = new
+            //{
+            //    model  = "deepseek-r1:1.5b",
+            //    prompt = prompt,
+            //    stream = false
+            //};
+
+            //   var response = await _httpClient.PostAsJsonAsync("http://192.168.1.3:11434/api/generate", request);
+            // var result = await response.Content.ReadFromJsonAsync<OllamaResponse>();
+
+            // return result?.Response ?? "No response";
+
+            var request = new ChatRequest
+            {
+                Messages ={
+                            new Message { Role = "user", Content = "你是谁" }
+                        }
+            };
+
+            string json = JsonSerializer.Serialize(request, new JsonSerializerOptions
+            {
+                WriteIndented = true,
+                DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
+            });
+
+            var response = await _httpClient.PostAsJsonAsync("http://192.168.1.3:11434/api/chat", request);
+            //   var response = await _httpClient.PostAsJsonAsync("http://192.168.1.3:11434/api/generate", request);
+            // var result = await response.Content.ReadFromJsonAsync<OllamaResponse>();
+            var result = await response.Content.ReadAsStringAsync();
+            MessageBox.Show(result);
+
+            return "No response";
+        }
+        public class ChatRequest
+        {
+            [JsonPropertyName("messages")]
+            public List<Message> Messages { get; set; } = new List<Message>();
+
+            [JsonPropertyName("model")]
+            public string? Model { get; set; } = "deepseek-r1:1.5b"; // 默认值
+
+            [JsonPropertyName("stream")]
+            public bool Stream { get; set; } = false;
+
+            [JsonPropertyName("temperature")]
+            [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
+            public double Temperature { get; set; } = 0.01;
+
+            [JsonPropertyName("max_tokens")]
+            [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
+            public int MaxTokens { get; set; } = 1024;
+        }
+
+        public class Message
+        {
+            [JsonPropertyName("role")]
+            public string Role { get; set; } = "user";
+
+            [JsonPropertyName("content")]
+            public string Content { get; set; } = string.Empty;
+        }
+
+        private class OllamaResponse
+        {
+            public string Response { get; set; }
+        }
+    }
+}

Services/OpenAIService.cs

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+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Net.Http.Json;
+
+namespace YwxApp.AiChat.Services
+{
+    public class OpenAIService : IChatService
+    {
+        private readonly HttpClient _httpClient;
+        private string _modelName = "gpt-3.5-turbo";
+
+        public OpenAIService()
+        {
+            _httpClient = new HttpClient();
+            _httpClient.BaseAddress = new Uri("https://api.openai.com/v1/");
+        }
+
+        public void Configure(string apiKey, string modelName = "gpt-3.5-turbo")
+        {
+            _httpClient.DefaultRequestHeaders.Authorization =
+                new AuthenticationHeaderValue("Bearer", apiKey);
+            _modelName = modelName;
+        }
+
+        public async Task<string> GetResponseAsync(string prompt)
+        {
+            var requestBody = new
+            {
+                model = _modelName,
+                messages = new[] { new { role = "user", content = prompt } }
+            };
+
+            var response = await _httpClient.PostAsJsonAsync("chat/completions", requestBody);
+            var responseContent = await response.Content.ReadFromJsonAsync<OpenAIResponse>();
+
+            return responseContent?.Choices[0].Message.Content ?? "No response";
+        }
+
+        public class Message
+        {
+            public string Content { get; set; }
+        }
+        public class Choice
+        {
+              public Message Message { get; set; }
+
+        }
+        private class OpenAIResponse
+        {
+            public Choice[] Choices { get; set; }
+            
+        }
+    }
+}