Unity接入讯飞的大数据模型

原：基于C#+WPF编写的调用讯飞星火大模型工具_c#xf$xccx-CSDN博客

记录一下以防以后用到。

using Newtonsoft.Json;
using System.Collections.Generic;

public class JsonResponse
{
    [JsonProperty("header")]
    public ResponseHeader Header { get; set; }
    [JsonProperty("payload")]
    public ResponsePayload Payload { get; set; }
}
public class ResponseHeader
{
    /// <summary>
    /// 错误码，0表示正常，非0表示出错；详细释义可在接口说明文档最后的错误码说明了解
    /// </summary>
    [JsonProperty("code")]
    public int Code { get; set; }
    /// <summary>
    /// 会话是否成功的描述信息
    /// </summary>
    [JsonProperty("message")]
    public string Message { get; set; }
    /// <summary>
    /// 会话的唯一id，用于讯飞技术人员查询服务端会话日志使用,出现调用错误时建议留存该字段
    /// </summary>
    [JsonProperty("sid")]
    public string Sid { get; set; }
    /// <summary>
    /// 会话状态，取值为[0,1,2]；0代表首次结果；1代表中间结果；2代表最后一个结果
    /// </summary>
    [JsonProperty("status")]
    public int Status { get; set; }
}
public class ResponsePayload
{
    [JsonProperty("choices")]
    public ResponseChoices Choices { get; set; }
    [JsonProperty("useage")]
    public ResponseUsage Usage { get; set; }
}
public class ResponseChoices
{
    /// <summary>
    /// 文本响应状态，取值为[0,1,2]; 0代表首个文本结果；1代表中间文本结果；2代表最后一个文本结果
    /// </summary>
    [JsonProperty("status")]
    public int Status { get; set; }
    /// <summary>
    /// 返回的数据序号，取值为[0,9999999]
    /// </summary>
    [JsonProperty("seq")]
    public int Seq { get; set; }
    [JsonProperty("text")]
    public List<ReponseContent> Text { get; set; }
}
public class ReponseContent
{
    /// <summary>
    /// AI的回答内容
    /// </summary>
    [JsonProperty("content")]
    public string Content { get; set; }
    /// <summary>
    /// 角色标识，固定为assistant，标识角色为AI
    /// </summary>
    [JsonProperty("role")]
    public string Role { get; set; }
    /// <summary>
    /// 结果序号，取值为[0,10]; 当前为保留字段，开发者可忽略
    /// </summary>
    [JsonProperty("index")]
    public int Index { get; set; }
}
public class ResponseUsage
{
    [JsonProperty("text")]
    public ResponseUsageDetails Text { get; set; }
}
public class ResponseUsageDetails
{
    /// <summary>
    /// 保留字段，可忽略
    /// </summary>
    [JsonProperty("question_tokens")]
    public int QuestionTokens { get; set; }
    /// <summary>
    /// 包含历史问题的总tokens大小
    /// </summary>
    [JsonProperty("prompt_tokens")]
    public int PromptTokens { get; set; }
    /// <summary>
    /// 回答的tokens大小
    /// </summary>
    [JsonProperty("completion_tokens")]
    public int CompletionTokens { get; set; }
    /// <summary>
    /// prompt_tokens和completion_tokens的和，也是本次交互计费的tokens大小
    /// </summary>
    [JsonProperty("total_tokens")]
    public int TotalTokens { get; set; }
}

 

//构造请求体
using Newtonsoft.Json;
using System.Collections.Generic;

public class JsonRequest
{
    [JsonProperty("header")]
    public RequestHeader Header { get; set; }
    [JsonProperty("parameter")]
    public RequestParameter Parameter { get; set; }
    [JsonProperty("payload")]
    public RequestPayload Payload { get; set; }
}

public class RequestHeader
{
    /// <summary>
    /// 应用appid，从开放平台控制台创建的应用中获取
    /// </summary>
    [JsonProperty("app_id")]
    public string app_id { get; set; }
    /// <summary>
    /// 每个用户的id，用于区分不同用户
    /// </summary>
    [JsonProperty("uid")]
    public string uid { get; set; }
}

public class RequestParameter
{
    [JsonProperty("chat")]
    public RequestChat Chat { get; set; }
}

public class RequestChat
{
    /// <summary>
    /// 指定访问的领域,general指向V1.5版本,generalv2指向V2版本,generalv3指向V3版本 。注意：不同的取值对应的url也不一样！
    /// </summary>
    [JsonProperty("domain")]
    public string domain { get; set; }
    /// <summary>
    /// 核采样阈值。用于决定结果随机性，取值越高随机性越强即相同的问题得到的不同答案的可能性越高
    /// </summary>
    [JsonProperty("temperature")]
    public double temperature { get; set; }
    /// <summary>
    /// 模型回答的tokens的最大长度
    /// </summary>
    [JsonProperty("max_tokens")]
    public int max_tokens { get; set; }
}

public class RequestPayload
{
    [JsonProperty("message")]
    public RequestMessage Message { get; set; }
}

public class RequestMessage
{
    [JsonProperty("text")]
    public List<ReuqestContent> Text { get; set; }
}

public class ReuqestContent
{
    /// <summary>
    /// user表示是用户的问题，assistant表示AI的回复
    /// </summary>
    [JsonProperty("role")]
    public string role { get; set; }
    /// <summary>
    /// 用户和AI的对话内容
    /// </summary>
    [JsonProperty("content")]
    public string content { get; set; }
}

 文章来源地址https://www.toymoban.com/news/detail-836863.html

using System.Collections.Generic;
using System.Net.WebSockets;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
using System;
using System.Linq;

namespace XFYun.SparkChat.SDK
{
    public class SparkWebSDK
    {
        private string _appId;
        private string _apiSecret;
        private string _apiKey;
        private SparkVersions _version;
        private ClientWebSocket _webSocketClient;
        public SparkWebSDK()
        {

        }
        public void Setup(string appId, string apiSecret, string apiKey, SparkVersions version = SparkVersions.V3_5)
        {
            this._apiKey = apiKey;
            this._apiSecret = apiSecret;
            this._appId = appId;
            this._version = version;
        }
        private string GetAuthUrl(string baseUrl, string apiSecret, string apiKey)
        {
            string date = DateTime.UtcNow.ToString("r");
            Uri uri = new Uri(baseUrl);
            var str = $"host: {uri.Host}\ndate: {date}\nGET {uri.LocalPath} HTTP/1.1";

            //使用apisecret,HMACSHA256算法加密str
            var sha256Bytes = new HMACSHA256(Encoding.UTF8.GetBytes(apiSecret)).ComputeHash(Encoding.UTF8.GetBytes(str));
            var sha256Str = Convert.ToBase64String(sha256Bytes);
            var authorization = $"api_key=\"{apiKey}\",algorithm=\"hmac-sha256\",headers=\"host date request-line\",signature=\"{sha256Str}\"";

            //date要做url处理
            date = Uri.EscapeDataString(date);
            string newUrl = $"ws://{uri.Host}{uri.LocalPath}?authorization={Convert.ToBase64String(Encoding.UTF8.GetBytes(authorization))}&date={date}&host={uri.Host}";
            return newUrl;
        }
        /// <summary>
        /// 询问问题，流式调用response
        /// 返回结果表示调用成功还是失败，如果调用失败，则返回失败原因
        /// </summary>
        /// <param name="question"></param>
        /// <param name="response"></param>
        /// <returns></returns>
        public async Task<(bool, string)> Ask(List<string> questions, CancellationToken token, Action<List<string>> responseHandler)
        {
            try
            {
                string url = "";
                string domain = "";
                switch (this._version)
                {
                    case SparkVersions.V1_5:
                        url = "ws://spark-api.xf-yun.com/v1.1/chat";
                        domain = "general";
                        break;
                    case SparkVersions.V2_0:
                        url = "ws://spark-api.xf-yun.com/v2.1/chat";
                        domain = "generalv2";
                        break;
                    case SparkVersions.V3_0:
                        url = "ws://spark-api.xf-yun.com/v3.1/chat";
                        domain = "generalv3";
                        break;
                    case SparkVersions.V3_5:
                        url = "ws://spark-api.xf-yun.com/v3.5/chat";
                        domain = "generalv3.5";
                        break;
                }
                var newUrl = GetAuthUrl(url, this._apiSecret, this._apiKey);
                this._webSocketClient = new ClientWebSocket();
                await this._webSocketClient.ConnectAsync(new Uri(newUrl), token);

                var request = new JsonRequest()
                {
                    Header = new RequestHeader()
                    {
                        app_id = this._appId,
                        uid = "123"
                    },
                    Parameter = new RequestParameter()
                    {
                        Chat = new RequestChat()
                        {
                            domain = domain,
                            temperature = 0.5,
                            max_tokens = 1024,
                        }
                    },
                    Payload = new RequestPayload()
                    {
                        Message = new RequestMessage()
                        {
                            Text = questions.Select(x => new ReuqestContent()
                            {
                                role = "user",
                                content = x
                            }).ToList()
                        }
                    }
                };
                var jsonStr = Newtonsoft.Json.JsonConvert.SerializeObject(request);

                await this._webSocketClient.SendAsync(new ArraySegment<byte>(Encoding.UTF8.GetBytes(jsonStr)), WebSocketMessageType.Text, true, token);

                var recvBuffer = new byte[1024];

                while (true)
                {
                    WebSocketReceiveResult result = await this._webSocketClient.ReceiveAsync(new ArraySegment<byte>(recvBuffer), token);
                    if (result.CloseStatus.HasValue) return (true, "");
                    if (result.MessageType == WebSocketMessageType.Text)
                    {
                        string recvMsg = Encoding.UTF8.GetString(recvBuffer, 0, result.Count);
                        var response = Newtonsoft.Json.JsonConvert.DeserializeObject<JsonResponse>(recvMsg);
                        if (response.Header.Code != 0)
                        {
                            return (false, response.Header.Message);
                        }

                        if (response.Payload.Choices.Status == 2)//最后一个消息
                        {
                            responseHandler?.Invoke(response.Payload.Choices.Text.Select(x => x.Content).ToList());
                            return (true, "调用成功！");
                        }

                        responseHandler?.Invoke(response.Payload.Choices.Text.Select(x => x.Content).ToList());
                    }
                    else if (result.MessageType == WebSocketMessageType.Close)
                    {
                        return (false, result.CloseStatusDescription);
                    }
                }
            }
            catch (Exception e)
            {
                return (false, e.Message);
            }
            finally
            {
                await this._webSocketClient?.CloseAsync(WebSocketCloseStatus.NormalClosure, "client raise close request", token);
            }
        }
        public async void Close()
        {
            if (_webSocketClient != null)
            {
                await _webSocketClient.CloseAsync(WebSocketCloseStatus.NormalClosure, "正常关闭", new CancellationToken());
            }
        }
    }
    public enum SparkVersions
    {
        V1_5,
        V2_0,
        V3_0,
        V3_5
    }


}

using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
using XFYun.SparkChat.SDK;

public class XFTest : MonoBehaviour
{
    private SparkWebSDK sdk;
    public string app_id;
    public string api_secret;
    public string api_key;
    public SparkVersions api_version;

    public InputField request;

    public Text response;

    public Button send;
    // Start is called before the first frame update
    void Start()
    {
        sdk = new SparkWebSDK();
        sdk.Setup(app_id, api_secret, api_key, api_version);
        send.onClick.RemoveAllListeners();
        send.onClick.AddListener(async delegate
        {
            response.text = "";
            var (ok, errMsg) = await sdk.Ask(new List<string>() { request.text }, new System.Threading.CancellationToken(), strs =>
            {
                foreach (var str in strs)
                {
                    response.text += str;
                }
            });
            response.text += "\n我的回答结束!";
            if (!ok)
            {
                Debug.LogError($"error msg = {errMsg}");
            }
        });
    }
}

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