diff --git a/QYZH.InteractiveMagazine.IService/IAiChatService.cs b/QYZH.InteractiveMagazine.IService/IAiChatService.cs new file mode 100644 index 0000000..d355f8c --- /dev/null +++ b/QYZH.InteractiveMagazine.IService/IAiChatService.cs @@ -0,0 +1,16 @@ +using QYZH.InteractiveMagazine.Models.Dto; + +namespace QYZH.InteractiveMagazine.IService; + +/// +/// AI聊天服务接口 +/// +public interface IAiChatService +{ + /// + /// 发送消息进行AI对话 + /// + /// 聊天输入 + /// AI返回的提示词内容 + Task ChatAsync(AiChatInput input); +} diff --git a/QYZH.InteractiveMagazine.Models/Dto/Ai/AiChatDto.cs b/QYZH.InteractiveMagazine.Models/Dto/Ai/AiChatDto.cs new file mode 100644 index 0000000..ca56d5c --- /dev/null +++ b/QYZH.InteractiveMagazine.Models/Dto/Ai/AiChatDto.cs @@ -0,0 +1,23 @@ +namespace QYZH.InteractiveMagazine.Models.Dto; + +/// +/// AI聊天输入 +/// +public class AiChatInput +{ + /// + /// 用户需求文本 + /// + public string Message { get; set; } = string.Empty; +} + +/// +/// AI聊天输出 +/// +public class AiChatOutput +{ + /// + /// AI返回的内容（Markdown格式提示词） + /// + public string Content { get; set; } = string.Empty; +} diff --git a/QYZH.InteractiveMagazine.Models/Dto/Journal/JournalPageTaskOutput.cs b/QYZH.InteractiveMagazine.Models/Dto/Journal/JournalPageTaskOutput.cs index 4a531fd..7bb9e41 100644 --- a/QYZH.InteractiveMagazine.Models/Dto/Journal/JournalPageTaskOutput.cs +++ b/QYZH.InteractiveMagazine.Models/Dto/Journal/JournalPageTaskOutput.cs @@ -19,11 +19,6 @@ namespace QYZH.InteractiveMagazine.Models.Dto.Journal /// public long JournalPageId { get; set; } - /// - /// 学科Id - /// - public long SubjectId { get; set; } - /// /// 题号 /// @@ -36,33 +31,10 @@ namespace QYZH.InteractiveMagazine.Models.Dto.Journal public string ShowType => Type.GetDescription(); - private string _task; - /// - /// 问题 - /// - public string Task - { - get { return _task.AddDomain(DomainHelper.OssDomain); } - set { _task = value; } - } - /// /// 答案列表 /// public List Answers { get; set; } - - private string _imageUrl; - /// - /// 图片地址 - /// - public string ImageUrl - { - get { return DomainHelper.OssFullUrl(_imageUrl); } - set { _imageUrl = value; } - } - - public List ImageUrls { get; set; } - /// /// 积分 /// @@ -98,55 +70,10 @@ namespace QYZH.InteractiveMagazine.Models.Dto.Journal /// public int AnswerTime { get; set; } - private string _audioUrl; /// - /// 音频地址 + /// Prompt配置 /// - public string AudioUrl - { - get { return DomainHelper.OssFullUrl(_audioUrl); } - set { _audioUrl = value; } - } - - private string _videoUrl; - /// - /// 视频地址 - /// - public string VideoUrl - { - get { return DomainHelper.OssFullUrl(_videoUrl); } - set { _videoUrl = value; } - } - - private string _pointsUrl; - /// - /// 点位数据地址 - /// - public string PointsUrl - { - get { return DomainHelper.OssFullUrl(_pointsUrl); } - set { _pointsUrl = value; } - } - - /// - /// 音频开始时间 - /// - public long AudioStartTime { get; set; } - - /// - /// 音频结束时间 - /// - public long AudioEndTime { get; set; } - - /// - /// 知识点 - /// - public string KnowledgePointIds { get; set; } - - /// - /// 年级 - /// - public int Grade { get; set; } + public string Prompt { get; set; } } /// diff --git a/QYZH.InteractiveMagazine.Models/Dto/Journal/JournalPageTaskUpdateInput.cs b/QYZH.InteractiveMagazine.Models/Dto/Journal/JournalPageTaskUpdateInput.cs index dc0b78d..c797da2 100644 --- a/QYZH.InteractiveMagazine.Models/Dto/Journal/JournalPageTaskUpdateInput.cs +++ b/QYZH.InteractiveMagazine.Models/Dto/Journal/JournalPageTaskUpdateInput.cs @@ -1,4 +1,4 @@ -using QYZH.InteractiveMagazine.Models.Enum; +using QYZH.InteractiveMagazine.Models.Enum; using QYZH.InteractiveMagazine.Models.Enum; using System; using System.Collections.Generic; @@ -67,18 +67,9 @@ namespace QYZH.InteractiveMagazine.Models.Dto.Journal /// public int AnswerTime { get; set; } /// - /// Desc:基础Prompt配置ID（为空则使用IsDefault=1的模板） - /// Default: - /// Nullable:True - /// - public string BasePrompt { get; set; } - - /// - /// Desc:个性化Prompt（追加到基础Prompt后面，可为空） - /// Default: - /// Nullable:True - /// - public string CustomPrompt { get; set; } + /// Prompt配置 + /// + public string Prompt { get; set; } } diff --git a/QYZH.InteractiveMagazine.Models/Entity/JournalPageTask.cs b/QYZH.InteractiveMagazine.Models/Entity/JournalPageTask.cs index ee69e2c..c7927b9 100644 --- a/QYZH.InteractiveMagazine.Models/Entity/JournalPageTask.cs +++ b/QYZH.InteractiveMagazine.Models/Entity/JournalPageTask.cs @@ -122,18 +122,11 @@ namespace QYZH.InteractiveMagazine.Models.Entity public bool NeedAiProcess { get; set; } /// - /// Desc:基础Prompt配置ID（为空则使用IsDefault=1的模板） + /// Desc:Prompt配置 /// Default: /// Nullable:True /// - public string BasePrompt { get; set; } - - /// - /// Desc:个性化Prompt（追加到基础Prompt后面，可为空） - /// Default: - /// Nullable:True - /// - public string CustomPrompt { get; set; } + public string Prompt { get; set; } /// /// Desc:作答参考时间 diff --git a/QYZH.InteractiveMagazine.Models/Enum/JournalPageTaskTypeEnum.cs b/QYZH.InteractiveMagazine.Models/Enum/JournalPageTaskTypeEnum.cs index 88d562d..af045c4 100644 --- a/QYZH.InteractiveMagazine.Models/Enum/JournalPageTaskTypeEnum.cs +++ b/QYZH.InteractiveMagazine.Models/Enum/JournalPageTaskTypeEnum.cs @@ -16,5 +16,5 @@ public enum JournalPageTaskTypeEnum /// 问答题 /// [Description("主观题")] - TaskAnswer = 4 + TaskAnswer = 0 } diff --git a/QYZH.InteractiveMagazine.Models/Settings/AiChatSettings.cs b/QYZH.InteractiveMagazine.Models/Settings/AiChatSettings.cs new file mode 100644 index 0000000..fc9ef85 --- /dev/null +++ b/QYZH.InteractiveMagazine.Models/Settings/AiChatSettings.cs @@ -0,0 +1,37 @@ +namespace QYZH.InteractiveMagazine.Models.Settings; + +/// +/// AI聊天配置 +/// +public class AiChatSettings +{ + /// + /// API密钥 + /// + public string? ApiKey { get; set; } + + /// + /// API基础地址（OpenAI兼容） + /// + public string? BaseUrl { get; set; } + + /// + /// 模型名称 + /// + public string? Model { get; set; } + + /// + /// 请求超时时间（秒） + /// + public int TimeoutSeconds { get; set; } = 300; + + /// + /// 最大生成Token数 + /// + public int MaxTokens { get; set; } = 2000; + + /// + /// 采样温度（0-2，值越低输出越确定） + /// + public double Temperature { get; set; } = 0.5; +} diff --git a/QYZH.InteractiveMagazine.Service/AiChatService.cs b/QYZH.InteractiveMagazine.Service/AiChatService.cs new file mode 100644 index 0000000..2f29ce4 --- /dev/null +++ b/QYZH.InteractiveMagazine.Service/AiChatService.cs @@ -0,0 +1,154 @@ +using Microsoft.Extensions.Configuration; +using Microsoft.Extensions.Logging; +using QYZH.InteractiveMagazine.IService; +using QYZH.InteractiveMagazine.Models.Common; +using QYZH.InteractiveMagazine.Models.Dto; +using System.Net.Http.Headers; +using System.Text; +using System.Text.Json; +using System.Text.Json.Serialization; + +namespace QYZH.InteractiveMagazine.Service; + +/// +/// AI聊天服务实现（OpenAI API规范） +/// +public class AiChatService( + IHttpClientFactory httpClientFactory, + IConfiguration configuration, + ILogger logger) : IAiChatService +{ + /// + /// 预设系统提示词 + /// + private const string SystemPrompt = """ + # 提示词：AI 优化“题目评分/报告提示词” + + 你是一个专业的提示词优化专家。你的任务是**将用户输入的粗糙、口语化的“题目评分/报告提示词”重构为结构清晰、指令明确、便于 AI 直接执行的标准化提示词**。 + + 用户（题目制作者）当前输入的内容可能包含：题目描述、作答要求、打分规则、评分维度、报告层级、示例等，但组织混乱、表述模糊。你需要**保留所有原始信息，不增删任何实质性规则**，仅优化其结构、逻辑层次和表达精度。 + + --- + + ## 优化原则 + + 1. **信息完整**：用户原文中的所有要点、示例、层级区分必须全部保留。 + 2. **结构清晰**：将内容归入标准模块（如 `任务目标`、`输入格式`、`评分标准`、`报告生成要求`）。 + 3. **指令明确**：将模糊表述（如“要写得好一点”）转化为可操作的判定条件（如“必须包含三层结构：解释原因 + 表达情绪 + 提出方案”）。 + 4. **语言精练**：去除冗余修饰，保留关键限定词（如“仅”“必须”“至少”）。 + 5. **格式统一**：最终输出为 Markdown 格式，使用标题（`#` `##` `###`）、列表（`-`）、加粗/斜体等提升可读性。 + + --- + + ## 优化步骤 + + 1. **解析原文**：通读用户输入，标注出： + - 题目背景 / 情境 + - 学生作答要求 + - 评分维度（优秀/一般/薄弱）及其具体判定条件 + - 报告层级及其对应的评语模板或生成逻辑 + - 任何示例答案 + 2. **重组结构**：按以下标准模板组织内容（可灵活调整章节名称）： + - `## 任务概述`（题目 + 要求） + - `## 输入数据`（学生作答的内容） + - `## 评分标准`（分档描述，含判定规则） + - `## 报告生成规范`（层级名称、触发条件、评语示例/生成规则） + - `## 注意事项`（如有特殊约束） + 3. **润色表达**： + - 将“可能”“大概”等不确定词改为明确的“必须”“至少”； + - 将并列条件用编号列表（1. 2. 3.）拆分； + - 将示例单独以代码块或引用块呈现，避免与规则混淆。 + 4. **保持原意**：不得添加用户未提及的新评分维度或报告层级，也不得删除任何已有规则。 + + --- + + ## 输出格式要求 + + - 只输出优化后的完整提示词（即 AI 可直接使用的评分/报告 prompt），不要输出分析过程。 + - 使用 Markdown 语法，标题层级从 `#` 开始。 + - 所有原有示例必须原样保留，并标明“示例”或放在引用块中。 + + --- + + 现在，请对**当前用户输入的原始提示词**执行上述优化过程，仅输出优化后的 Markdown 格式提示词。 + """; + + /// + /// AI聊天，根据用户需求生成提示词 + /// + public async Task ChatAsync(AiChatInput input) + { + if (string.IsNullOrWhiteSpace(input.Message)) + { + throw new BusinessException("消息内容不能为空", 400); + } + + var apiKey = configuration["AiChat:ApiKey"]; + var baseUrl = configuration["AiChat:BaseUrl"]; + var model = configuration["AiChat:Model"]; + var timeoutSeconds = configuration.GetValue("AiChat:TimeoutSeconds"); + var maxTokens = configuration.GetValue("AiChat:MaxTokens"); + var temperature = configuration.GetValue("AiChat:Temperature"); + + if (string.IsNullOrWhiteSpace(apiKey) || string.IsNullOrWhiteSpace(baseUrl) || string.IsNullOrWhiteSpace(model)) + { + throw new BusinessException("AI聊天服务配置不完整，请检查 AiChat 配置节", 500); + } + + logger.LogInformation("开始调用AI聊天服务，消息长度：{Length}", input.Message.Length); + + // 构建 OpenAI Chat Completions 请求体 + var requestBody = new + { + model = model, + messages = new[] + { + new { role = "system", content = SystemPrompt }, + new { role = "user", content = input.Message } + }, + max_tokens = maxTokens, + temperature = temperature + }; + + var jsonContent = JsonSerializer.Serialize(requestBody, new JsonSerializerOptions + { + DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull + }); + + // 创建 HttpClient 并发起请求 + var client = httpClientFactory.CreateClient(); + client.Timeout = TimeSpan.FromSeconds(timeoutSeconds > 0 ? timeoutSeconds : 300); + var request = new HttpRequestMessage(HttpMethod.Post, $"{baseUrl.TrimEnd('/')}/chat/completions"); + request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", apiKey); + request.Content = new StringContent(jsonContent, Encoding.UTF8, "application/json"); + + var response = await client.SendAsync(request); + var responseContent = await response.Content.ReadAsStringAsync(); + + if (!response.IsSuccessStatusCode) + { + logger.LogError("AI聊天服务调用失败，状态码：{StatusCode}，响应：{Response}", response.StatusCode, responseContent); + throw new BusinessException($"AI服务调用失败：{response.StatusCode}", 500); + } + + // 解析 OpenAI 响应 + using var doc = JsonDocument.Parse(responseContent); + var choices = doc.RootElement.GetProperty("choices"); + if (choices.GetArrayLength() == 0) + { + throw new BusinessException("AI未返回有效内容", 500); + } + + var content = choices[0] + .GetProperty("message") + .GetProperty("content") + .GetString(); + + logger.LogInformation("AI聊天服务调用成功，返回内容长度：{Length}", content?.Length ?? 0); + + return new AiChatOutput + { + Content = content ?? string.Empty + }; + } +} diff --git a/QYZH.InteractiveMagazine.Service/JournalPageTaskService.cs b/QYZH.InteractiveMagazine.Service/JournalPageTaskService.cs index e4d55ae..504f9e5 100644 --- a/QYZH.InteractiveMagazine.Service/JournalPageTaskService.cs +++ b/QYZH.InteractiveMagazine.Service/JournalPageTaskService.cs @@ -1,4 +1,4 @@ -using Mapster; +using Mapster; using QYZH.InteractiveMagazine.Common.Extensions; using QYZH.InteractiveMagazine.Infrastructure.OSS; using QYZH.InteractiveMagazine.IService; @@ -66,8 +66,7 @@ public class JournalPageTaskService(BaseRepository journalRepository, O task.Expression = input.Expression; task.Persuasiveness = input.Persuasiveness; task.AnswerTime = input.AnswerTime; - task.BasePrompt = input.BasePrompt; - task.CustomPrompt = input.CustomPrompt; + task.Prompt = input.Prompt; var no = input.No.Split('-').Select(int.Parse).ToArray(); @@ -97,7 +96,6 @@ public class JournalPageTaskService(BaseRepository journalRepository, O JournalPageId = task.JournalPageId, No = task.No, Type = task.Type, - Task = task.Task, Points = task.Points, GrowthPoint = task.GrowthPoint ?? 0, Comprehension = task.Comprehension, @@ -105,6 +103,7 @@ public class JournalPageTaskService(BaseRepository journalRepository, O Expression = task.Expression, Persuasiveness = task.Persuasiveness, AnswerTime = task.AnswerTime, + Prompt = task.Prompt }; // 查询答案列表 diff --git a/QYZH.InteractiveMagazine.WebApi/Controllers/AiChatController.cs b/QYZH.InteractiveMagazine.WebApi/Controllers/AiChatController.cs new file mode 100644 index 0000000..8e1d9c9 --- /dev/null +++ b/QYZH.InteractiveMagazine.WebApi/Controllers/AiChatController.cs @@ -0,0 +1,50 @@ +using Microsoft.AspNetCore.Mvc; +using QYZH.InteractiveMagazine.IService; +using QYZH.InteractiveMagazine.Models.Common; +using QYZH.InteractiveMagazine.Models.Dto; +using QYZH.InteractiveMagazine.Models.Enum; + +namespace QYZH.InteractiveMagazine.WebApi.Controllers; + +/// +/// AI聊天控制器 +/// +[Route("api/[controller]")] +[ApiController] +[ApiExplorerSettings(GroupName = nameof(ApiVersionEnum.Platform))] +public class AiChatController : BaseController +{ + private readonly IAiChatService _aiChatService; + private readonly ILogger _logger; + + public AiChatController(IAiChatService aiChatService, ILogger logger) + { + _aiChatService = aiChatService; + _logger = logger; + } + + /// + /// AI聊天，根据需求生成提示词 + /// + /// 用户需求消息 + /// AI生成的提示词（Markdown格式） + [HttpPost] + public async Task> ChatAsync([FromBody] AiChatInput input) + { + try + { + var result = await _aiChatService.ChatAsync(input); + return Success(result, "AI聊天成功"); + } + catch (BusinessException ex) + { + _logger.LogWarning(ex, "AI聊天业务异常: {Message}", ex.Message); + return BaseResponse.Fail(ex.Message); + } + catch (Exception ex) + { + _logger.LogError(ex, "AI聊天系统异常，参数：{Input}", input); + return BaseResponse.Fail("AI聊天失败，请稍后重试"); + } + } +} diff --git a/QYZH.InteractiveMagazine.WebApi/appsettings.json b/QYZH.InteractiveMagazine.WebApi/appsettings.json index c2f66a5..d6d78f9 100644 --- a/QYZH.InteractiveMagazine.WebApi/appsettings.json +++ b/QYZH.InteractiveMagazine.WebApi/appsettings.json @@ -47,6 +47,14 @@ ] }, "AllowedHosts": "*", + "AiChat": { + "ApiKey": "Ollama", + "BaseUrl": "http://172.16.10.130:11434/v1/", + "Model": "qwen2.5vl:7b", + "TimeoutSeconds": 300, + "MaxTokens": 2000, + "Temperature": 0.5 + }, "AliyunOSSConfigs": { "AccessKeyID": "LTAI5tEBXGewpHSLiSxyx6Bf", "AccessKeySecret": "w29b8wkw6XQVL8GWXgp3ZesgYeDKvf",