一篇文章让你两种方式调用星火大模型，搭建属于自己的“chatgpt”
申请
网址：星火大模型api注册链接
选择零元购
获取你专属的key、密钥、appid
方法1：使用jquery直接调用
html:
//应用插件-此插件用于对url编码加密，资源包已经上传，审核通过后，会在顶部显示
注意：如果上面资源下载不了，可以关注“墨水直达”公众号，输入“crypto-js”即可下载插件
js：
视频效果如下：
desktop 2023-10-18 15-38-13
方法2：使用c#后台调用
定义全局
private static ClientWebSocket webSocket0;
private static CancellationToken cancellation;
//appid
private const string x_appid = "你的appid";
private const string api_secret = "你的密钥";
private const string api_key = "你的key";
private static string hostUrl1 = "https://spark-api.xf-yun.com/v1.1/chat";
private static string hostUrl2 = "https://spark-api.xf-yun.com/v2.1/chat";
[HttpPost]
public async Task KDXF_OpenAI(string parm)
{
ResultRes res = new ResultRes();
res.code = 1;
try
{
OpenAI_Entity entity = JsonConvert.DeserializeObject(parm);
string resp = "";
//加密url
string authUrl = GetAuthUrl(entity.type);
string url = authUrl.Replace("http://", "ws://").Replace("https://", "wss://");
//开启websocket
using (webSocket0 = new ClientWebSocket())
{
await webSocket0.ConnectAsync(new Uri(url), cancellation);
JsonRequest request = new JsonRequest();
request.header = new Header()
{
app_id = x_appid,
uid = entity.userid
};
var sqldetaillist = xxxx；//这里是用户的历史问答数据，就不展示了，如果你们不需要历史问答，则可以省略
List contentlist = new List();
foreach (var item in sqldetaillist)
{
Content entity1 = new Content();
entity1.role = "user";
entity1.content= item.content;
contentlist.Add(entity1);
entity1.role = "assistant";
entity1.content = item.reqcontent;
contentlist.Add(entity1);
}
//如果没有历史问答，省略上面一段代码，从这里开始即可
Content entity2 = new Content();
entity2.role = "user";
entity2.content = entity.content;
contentlist.Add(entity2);
request.parameter = new Parameter()
{
chat = new Chat()
{
domain = entity.type == 0 ? "general" : "generalv2",
temperature = 0.7,//温度采样阈值，用于控制生成内容的随机性和多样性，值越大多样性越高；范围（0，1）
max_tokens = entity.type == 0 ? 4096 : 8192,//生成内容的最大长度，范围（0，4096）；2.0版本（0，8192）
}
};
request.payload = new Payload()
{
message = new Message()
{
text = contentlist
}
};
string jsonString = JsonConvert.SerializeObject(request);
//连接成功，开始发送数据
var frameData2 = System.Text.Encoding.UTF8.GetBytes(jsonString.ToString());
webSocket0.SendAsync(new ArraySegment(frameData2), WebSocketMessageType.Text, true, cancellation);
// 接收流式返回结果进行解析
byte[] receiveBuffer = new byte[1024];
WebSocketReceiveResult result = await webSocket0.ReceiveAsync(new ArraySegment(receiveBuffer), cancellation);
while (!result.CloseStatus.HasValue)
{
if (result.MessageType == WebSocketMessageType.Text)
{
string receivedMessage = Encoding.UTF8.GetString(receiveBuffer, 0, result.Count);
//将结果构造为json
JObject jsonObj = JObject.Parse(receivedMessage);
int code = (int)jsonObj["header"]["code"];
if (0 == code)
{
int status = (int)jsonObj["payload"]["choices"]["status"];
JArray textArray = (JArray)jsonObj["payload"]["choices"]["text"];
string content = (string)textArray[0]["content"];
resp += content;
if (status != 2)
{
Console.WriteLine($"已接收到数据： {receivedMessage}");
}
else
{
// Console.WriteLine($"最后一帧： {receivedMessage}");
int totalTokens = (int)jsonObj["payload"]["usage"]["text"]["total_tokens"];
//Console.WriteLine($"整体返回结果： {resp}");
//Console.WriteLine($"本次消耗token数： {totalTokens}");
res.totalTokens = totalTokens;
res.result = resp;
break;
}
}
}
else if (result.MessageType == WebSocketMessageType.Close)
{
res.code = -1;
res.result = "已关闭WebSocket连接";
Console.WriteLine("已关闭WebSocket连接");
break;
}
result = await webSocket0.ReceiveAsync(new ArraySegment(receiveBuffer), cancellation);
}
}
}
catch (Exception ex)
{
res.code = -1;
res.result = ex.Message;
}
return res;
}
private static string GetAuthUrl(int type = 0)
{
string date = DateTime.UtcNow.ToString("r");
Uri uri = new Uri(type == 0 ? hostUrl1 : hostUrl2);
StringBuilder builder = new StringBuilder("host: ").Append(uri.Host).Append("\n").//
Append("date: ").Append(date).Append("\n").//
Append("GET ").Append(uri.LocalPath).Append(" HTTP/1.1");
string sha = HMACsha256(api_secret, builder.ToString());
string authorization = string.Format("api_key=\"{0}\", algorithm=\"{1}\", headers=\"{2}\", signature=\"{3}\"", api_key, "hmac-sha256", "host date request-line", sha);
//System.Web.HttpUtility.UrlEncode
string NewUrl = "https://" + uri.Host + uri.LocalPath;
string path1 = "authorization" + "=" + Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(authorization));
date = date.Replace(" ", "%20").Replace(":", "%3A").Replace(",", "%2C");
string path2 = "date" + "=" + date;
string path3 = "host" + "=" + uri.Host;
NewUrl = NewUrl + "?" + path1 + "&" + path2 + "&" + path3;
return NewUrl;
}
public static string HMACsha256(string apiSecretIsKey, string buider)
{
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(apiSecretIsKey);
System.Security.Cryptography.HMACSHA256 hMACSHA256 = new System.Security.Cryptography.HMACSHA256(bytes);
byte[] date = System.Text.Encoding.UTF8.GetBytes(buider);
date = hMACSHA256.ComputeHash(date);
hMACSHA256.Clear();
return Convert.ToBase64String(date);
}
//下面是实体类
public class OpenAI_Entity
{
public string userid { get; set; }//请求用户的id，唯一性
public string content { get; set; }//问题
public int type { get; set; } //来源，如果type=0则调用1.5版本接口，如果type=1则调用2.0版本接口
}
//构造请求体
public class JsonRequest
{
public Header header { get; set; }
public Parameter parameter { get; set; }
public Payload payload { get; set; }
}
public class Header
{
public string app_id { get; set; }
public string uid { get; set; }
}
public class Parameter
{
public Chat chat { get; set; }
}
public class Chat
{
public string domain { get; set; }
public double temperature { get; set; }
public int max_tokens { get; set; }
}
public class Payload
{
public Message message { get; set; }
}
public class Message
{
public List text { get; set; }
}
public class Content
{
public string role { get; set; }
public string content { get; set; }
}