From a117d68df0c8ccd7a6ad7074c3b8c17ec23d3088 Mon Sep 17 00:00:00 2001 From: zstar <65890619+zstar1003@users.noreply.github.com> Date: Wed, 4 Jun 2025 18:56:30 +0800 Subject: [PATCH] =?UTF-8?q?feat(write):=20=E5=AE=9E=E7=8E=B0=20AI=20?= =?UTF-8?q?=E6=B5=81=E5=BC=8F=E5=9B=9E=E7=AD=94=E5=8A=9F=E8=83=BD=E5=B9=B6?= =?UTF-8?q?=E4=BC=98=E5=8C=96=E7=BC=96=E8=BE=91=E5=99=A8=E4=BA=A4=E4=BA=92?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - 新增流式消息发送钩子和相关状态管理 - 实时更新编辑器内容,支持 标签显示 - 优化光标位置管理和内容插入逻辑 - 增加 AI 回答中断处理和用户输入时的流式输出中断 - 调整预览模式下的内容显示 - 优化 AI 回答状态的 UI 提示 --- api/apps/conversation_app.py | 27 +- api/db/services/write_service.py | 91 ++++ .../web/src/common/assets/icons/storage.svg | 6 + web/src/locales/zh.ts | 2 + web/src/pages/write/index.tsx | 465 ++++++++++++++++-- 5 files changed, 527 insertions(+), 64 deletions(-) create mode 100644 api/db/services/write_service.py create mode 100644 management/web/src/common/assets/icons/storage.svg diff --git a/api/apps/conversation_app.py b/api/apps/conversation_app.py index 3ba1414..416a738 100644 --- a/api/apps/conversation_app.py +++ b/api/apps/conversation_app.py @@ -30,13 +30,14 @@ from api.db.services.dialog_service import DialogService, chat, ask from api.db.services.knowledgebase_service import KnowledgebaseService from api.db.services.llm_service import LLMBundle, TenantService from api import settings +from api.db.services.write_service import write_dialog from api.utils.api_utils import get_json_result from api.utils.api_utils import server_error_response, get_data_error_result, validate_request from graphrag.general.mind_map_extractor import MindMapExtractor from rag.app.tag import label_question -@manager.route("/set", methods=["POST"]) # noqa: F821 +@manager.route("/set", methods=["POST"]) # type: ignore # noqa: F821 @login_required def set_conversation(): req = request.json @@ -67,7 +68,7 @@ def set_conversation(): return server_error_response(e) -@manager.route("/get", methods=["GET"]) # noqa: F821 +@manager.route("/get", methods=["GET"]) # type: ignore # type: ignore # noqa: F821 @login_required def get(): conv_id = request.args["conversation_id"] @@ -132,7 +133,7 @@ def getsse(dialog_id): return server_error_response(e) -@manager.route("/rm", methods=["POST"]) # noqa: F821 +@manager.route("/rm", methods=["POST"]) # type: ignore # type: ignore # noqa: F821 @login_required def rm(): conv_ids = request.json["conversation_ids"] @@ -153,7 +154,7 @@ def rm(): return server_error_response(e) -@manager.route("/list", methods=["GET"]) # noqa: F821 +@manager.route("/list", methods=["GET"]) # type: ignore # noqa: F821 @login_required def list_convsersation(): dialog_id = request.args["dialog_id"] @@ -168,7 +169,7 @@ def list_convsersation(): return server_error_response(e) -@manager.route("/completion", methods=["POST"]) # noqa: F821 +@manager.route("/completion", methods=["POST"]) # type: ignore # noqa: F821 @login_required @validate_request("conversation_id", "messages") def completion(): @@ -251,7 +252,7 @@ def completion(): # 用于文档撰写模式的问答调用 -@manager.route("/writechat", methods=["POST"]) # noqa: F821 +@manager.route("/writechat", methods=["POST"]) # type: ignore # noqa: F821 @login_required @validate_request("question", "kb_ids") def writechat(): @@ -261,7 +262,7 @@ def writechat(): def stream(): nonlocal req, uid try: - for ans in ask(req["question"], req["kb_ids"], uid): + for ans in write_dialog(req["question"], req["kb_ids"], uid): yield "data:" + json.dumps({"code": 0, "message": "", "data": ans}, ensure_ascii=False) + "\n\n" except Exception as e: yield "data:" + json.dumps({"code": 500, "message": str(e), "data": {"answer": "**ERROR**: " + str(e), "reference": []}}, ensure_ascii=False) + "\n\n" @@ -275,7 +276,7 @@ def writechat(): return resp -@manager.route("/tts", methods=["POST"]) # noqa: F821 +@manager.route("/tts", methods=["POST"]) # type: ignore # noqa: F821 @login_required def tts(): req = request.json @@ -307,7 +308,7 @@ def tts(): return resp -@manager.route("/delete_msg", methods=["POST"]) # noqa: F821 +@manager.route("/delete_msg", methods=["POST"]) # type: ignore # noqa: F821 @login_required @validate_request("conversation_id", "message_id") def delete_msg(): @@ -330,7 +331,7 @@ def delete_msg(): return get_json_result(data=conv) -@manager.route("/thumbup", methods=["POST"]) # noqa: F821 +@manager.route("/thumbup", methods=["POST"]) # type: ignore # noqa: F821 @login_required @validate_request("conversation_id", "message_id") def thumbup(): @@ -357,7 +358,7 @@ def thumbup(): return get_json_result(data=conv) -@manager.route("/ask", methods=["POST"]) # noqa: F821 +@manager.route("/ask", methods=["POST"]) # type: ignore # noqa: F821 @login_required @validate_request("question", "kb_ids") def ask_about(): @@ -381,7 +382,7 @@ def ask_about(): return resp -@manager.route("/mindmap", methods=["POST"]) # noqa: F821 +@manager.route("/mindmap", methods=["POST"]) # type: ignore # noqa: F821 @login_required @validate_request("question", "kb_ids") def mindmap(): @@ -403,7 +404,7 @@ def mindmap(): return get_json_result(data=mind_map) -@manager.route("/related_questions", methods=["POST"]) # noqa: F821 +@manager.route("/related_questions", methods=["POST"]) # type: ignore # noqa: F821 @login_required @validate_request("question") def related_questions(): diff --git a/api/db/services/write_service.py b/api/db/services/write_service.py new file mode 100644 index 0000000..4e06b6a --- /dev/null +++ b/api/db/services/write_service.py @@ -0,0 +1,91 @@ +from api.db import LLMType, ParserType +from api.db.services.knowledgebase_service import KnowledgebaseService +from api.db.services.llm_service import LLMBundle +from api import settings +from rag.app.tag import label_question +from rag.prompts import kb_prompt + + +def write_dialog(question, kb_ids, tenant_id): + """ + 处理用户搜索请求,从知识库中检索相关信息并生成回答 + + 参数: + question (str): 用户的问题或查询 + kb_ids (list): 知识库ID列表,指定要搜索的知识库 + tenant_id (str): 租户ID,用于权限控制和资源隔离 + + 流程: + 1. 获取指定知识库的信息 + 2. 确定使用的嵌入模型 + 3. 根据知识库类型选择检索器(普通检索器或知识图谱检索器) + 4. 初始化嵌入模型和聊天模型 + 5. 执行检索操作获取相关文档片段 + 6. 格式化知识库内容作为上下文 + 7. 构建系统提示词 + 8. 生成回答并添加引用标记 + 9. 流式返回生成的回答 + + 返回: + generator: 生成器对象,产生包含回答和引用信息的字典 + """ + + kbs = KnowledgebaseService.get_by_ids(kb_ids) + embedding_list = list(set([kb.embd_id for kb in kbs])) + + is_knowledge_graph = all([kb.parser_id == ParserType.KG for kb in kbs]) + retriever = settings.retrievaler if not is_knowledge_graph else settings.kg_retrievaler + # 初始化嵌入模型,用于将文本转换为向量表示 + embd_mdl = LLMBundle(tenant_id, LLMType.EMBEDDING, embedding_list[0]) + # 初始化聊天模型,用于生成回答 + chat_mdl = LLMBundle(tenant_id, LLMType.CHAT) + # 获取聊天模型的最大token长度,用于控制上下文长度 + max_tokens = chat_mdl.max_length + # 获取所有知识库的租户ID并去重 + tenant_ids = list(set([kb.tenant_id for kb in kbs])) + # 调用检索器检索相关文档片段 + kbinfos = retriever.retrieval(question, embd_mdl, tenant_ids, kb_ids, 1, 12, 0.1, 0.3, aggs=False, rank_feature=label_question(question, kbs)) + # 将检索结果格式化为提示词,并确保不超过模型最大token限制 + knowledges = kb_prompt(kbinfos, max_tokens) + prompt = """ + 角色:你是一个聪明的助手。 + 任务:总结知识库中的信息并回答用户的问题。 + 要求与限制: + - 绝不要捏造内容,尤其是数字。 + - 如果知识库中的信息与用户问题无关,**只需回答:对不起,未提供相关信息。 + - 使用Markdown格式进行回答。 + - 使用用户提问所用的语言作答。 + - 绝不要捏造内容,尤其是数字。 + + ### 来自知识库的信息 + %s + + 以上是来自知识库的信息。 + + """ % "\n".join(knowledges) + msg = [{"role": "user", "content": question}] + + # 生成完成后添加回答中的引用标记 + # def decorate_answer(answer): + # nonlocal knowledges, kbinfos, prompt + # answer, idx = retriever.insert_citations(answer, [ck["content_ltks"] for ck in kbinfos["chunks"]], [ck["vector"] for ck in kbinfos["chunks"]], embd_mdl, tkweight=0.7, vtweight=0.3) + # idx = set([kbinfos["chunks"][int(i)]["doc_id"] for i in idx]) + # recall_docs = [d for d in kbinfos["doc_aggs"] if d["doc_id"] in idx] + # if not recall_docs: + # recall_docs = kbinfos["doc_aggs"] + # kbinfos["doc_aggs"] = recall_docs + # refs = deepcopy(kbinfos) + # for c in refs["chunks"]: + # if c.get("vector"): + # del c["vector"] + + # if answer.lower().find("invalid key") >= 0 or answer.lower().find("invalid api") >= 0: + # answer += " Please set LLM API-Key in 'User Setting -> Model Providers -> API-Key'" + # refs["chunks"] = chunks_format(refs) + # return {"answer": answer, "reference": refs} + + answer = "" + for ans in chat_mdl.chat_streamly(prompt, msg, {"temperature": 0.1}): + answer = ans + yield {"answer": answer, "reference": {}} + # yield decorate_answer(answer) diff --git a/management/web/src/common/assets/icons/storage.svg b/management/web/src/common/assets/icons/storage.svg new file mode 100644 index 0000000..0cd231b --- /dev/null +++ b/management/web/src/common/assets/icons/storage.svg @@ -0,0 +1,6 @@ + + + storage-solid + + + \ No newline at end of file diff --git a/web/src/locales/zh.ts b/web/src/locales/zh.ts index a4e9854..418ed3d 100644 --- a/web/src/locales/zh.ts +++ b/web/src/locales/zh.ts @@ -591,6 +591,7 @@ General:实体和关系提取提示来自 GitHub - microsoft/graphrag:基于 decisions: '决定事项', actionItems: '行动项', nextMeeting: '下次会议', + noTemplatesAvailable: "没有可用模板", // 模型配置相关 modelConfigurationTitle: "模型配置", knowledgeBaseLabel: "知识库", @@ -601,6 +602,7 @@ General:实体和关系提取提示来自 GitHub - microsoft/graphrag:基于 fetchKnowledgeBaseFailed: "获取知识库列表失败", defaultKnowledgeBase: "默认知识库", technicalDocsKnowledgeBase: "技术文档知识库", + aiRequestFailedError: "问答模型请求失败", }, setting: { profile: '概要', diff --git a/web/src/pages/write/index.tsx b/web/src/pages/write/index.tsx index a6612b8..f618ea7 100644 --- a/web/src/pages/write/index.tsx +++ b/web/src/pages/write/index.tsx @@ -1,6 +1,10 @@ import HightLightMarkdown from '@/components/highlight-markdown'; import { useTranslate } from '@/hooks/common-hooks'; -import { useFetchKnowledgeList } from '@/hooks/write-hooks'; +import { + useFetchKnowledgeList, + useSendMessageWithSse, +} from '@/hooks/write-hooks'; + import { DeleteOutlined } from '@ant-design/icons'; import { Button, @@ -33,7 +37,6 @@ import { useCallback, useEffect, useRef, useState } from 'react'; const { Sider, Content } = Layout; const { Option } = Select; -const aiAssistantConfig = { api: { timeout: 30000 } }; const LOCAL_STORAGE_TEMPLATES_KEY = 'userWriteTemplates_v4_no_restore_final'; const LOCAL_STORAGE_INIT_FLAG_KEY = @@ -56,15 +59,22 @@ type MarkedListItem = Tokens.ListItem; type MarkedListToken = Tokens.List; type MarkedSpaceToken = Tokens.Space; +// 定义插入点标记,以便在onChange时识别并移除 +// const INSERTION_MARKER = '【AI内容将插入此处】'; +const INSERTION_MARKER = ''; // 保持为空字符串,不显示实际标记 + const Write = () => { const { t } = useTranslate('write'); const [content, setContent] = useState(''); const [aiQuestion, setAiQuestion] = useState(''); const [isAiLoading, setIsAiLoading] = useState(false); const [dialogId] = useState(''); + // cursorPosition 存储用户点击设定的插入点位置 const [cursorPosition, setCursorPosition] = useState(null); + // showCursorIndicator 现在仅用于控制文档中是否显示 'INSERTION_MARKER', + // 并且一旦设置了光标位置,就希望它保持为 true,除非内容被清空或主动重置。 const [showCursorIndicator, setShowCursorIndicator] = useState(false); - const textAreaRef = useRef(null); + const textAreaRef = useRef(null); // Ant Design Input.TextArea 的 ref 类型 const [templates, setTemplates] = useState([]); const [isTemplateModalVisible, setIsTemplateModalVisible] = useState(false); @@ -83,11 +93,28 @@ const Write = () => { const [modelTemperature, setModelTemperature] = useState(0.7); const [knowledgeBases, setKnowledgeBases] = useState([]); const [isLoadingKbs, setIsLoadingKbs] = useState(false); + const [isStreaming, setIsStreaming] = useState(false); // 标记AI是否正在流式输出 + + // 新增状态和 useRef,用于流式输出管理 + // currentStreamedAiOutput 现在将直接接收 useSendMessageWithSse 返回的累积内容 + const [currentStreamedAiOutput, setCurrentStreamedAiOutput] = useState(''); + // 使用 useRef 存储 AI 插入点前后的内容,以及插入点位置,避免在流式更新中出现闭包陷阱 + const contentBeforeAiInsertionRef = useRef(''); + const contentAfterAiInsertionRef = useRef(''); + const aiInsertionStartPosRef = useRef(null); // 使用 useFetchKnowledgeList hook 获取真实数据 const { list: knowledgeList, loading: isLoadingKnowledgeList } = useFetchKnowledgeList(true); + // 使用流式消息发送钩子 + const { + send: sendMessage, + answer, + done, + stopOutputMessage, + } = useSendMessageWithSse(); + const getInitialDefaultTemplateDefinitions = useCallback( (): TemplateItem[] => [ { @@ -184,6 +211,88 @@ const Write = () => { } }, [knowledgeList, isLoadingKnowledgeList]); + // --- 调整流式响应处理逻辑 --- + // 阶段1: 累积 AI 输出片段,用于实时显示(包括 标签) + // 这个 useEffect 确保 currentStreamedAiOutput 始终是实时更新的、包含 标签的完整内容 + useEffect(() => { + if (isStreaming && answer && answer.answer) { + setCurrentStreamedAiOutput(answer.answer); + } + }, [isStreaming, answer]); + + // 阶段2: 当流式输出完成时 (done 为 true) + // 这个 useEffect 负责在流式输出结束时执行清理和最终内容更新 + useEffect(() => { + if (done) { + setIsStreaming(false); + setIsAiLoading(false); + + // --- Process the final streamed AI output before committing --- + // 关键修改:这里**必须**使用 currentStreamedAiOutput,因为它是在流式过程中积累的、包含 标签的内容 + // answer.answer 可能在 done 阶段已经提前被钩子内部清理过,所以不能依赖它来获取带标签的原始内容。 + let processedAiOutput = currentStreamedAiOutput; + if (processedAiOutput) { + // Regex to remove ... including content + processedAiOutput = processedAiOutput.replace( + /.*?<\/think>/gs, + '', + ); + } + // --- END NEW --- + + // 将最终累积的AI内容(已处理移除标签)和初始文档内容拼接,更新到主内容状态 + setContent((prevContent) => { + if (aiInsertionStartPosRef.current !== null) { + // 使用 useRef 中存储的初始内容和最终处理过的 AI 输出 + const finalContent = + contentBeforeAiInsertionRef.current + + processedAiOutput + + contentAfterAiInsertionRef.current; + return finalContent; + } + return prevContent; + }); + + // AI完成回答后,将光标实际移到新内容末尾 + if ( + textAreaRef.current?.resizableTextArea?.textArea && + aiInsertionStartPosRef.current !== null + ) { + const newCursorPos = + aiInsertionStartPosRef.current + processedAiOutput.length; + textAreaRef.current.resizableTextArea.textArea.selectionStart = + newCursorPos; + textAreaRef.current.resizableTextArea.textArea.selectionEnd = + newCursorPos; + textAreaRef.current.resizableTextArea.textArea.focus(); + setCursorPosition(newCursorPos); + } + + // 清理流式相关的临时状态和 useRef + setCurrentStreamedAiOutput(''); // 清空累积内容 + contentBeforeAiInsertionRef.current = ''; + contentAfterAiInsertionRef.current = ''; + aiInsertionStartPosRef.current = null; + setShowCursorIndicator(true); + } + }, [done, currentStreamedAiOutput]); // 依赖 done 和 currentStreamedAiOutput,确保在 done 时拿到最新的 currentStreamedAiOutput + + // 监听 currentStreamedAiOutput 的变化,实时更新主 content 状态以实现流式显示 + useEffect(() => { + if (isStreaming && aiInsertionStartPosRef.current !== null) { + // 实时更新编辑器内容,保留 标签内容 + setContent( + contentBeforeAiInsertionRef.current + + currentStreamedAiOutput + + contentAfterAiInsertionRef.current, + ); + // 同时更新 cursorPosition,让光标跟随 AI 输出移动(基于包含 think 标签的原始长度) + setCursorPosition( + aiInsertionStartPosRef.current + currentStreamedAiOutput.length, + ); + } + }, [currentStreamedAiOutput, isStreaming, aiInsertionStartPosRef]); + useEffect(() => { const loadDraftContent = () => { try { @@ -206,6 +315,7 @@ const Write = () => { }, [content, selectedTemplate, templates]); useEffect(() => { + // 防抖保存,防止频繁写入 localStorage const timer = setTimeout( () => localStorage.setItem('writeDraftContent', content), 1000, @@ -276,6 +386,51 @@ const Write = () => { } }; + // 获取上下文内容的辅助函数 + const getContextContent = ( + cursorPos: number, + currentDocumentContent: string, + maxLength: number = 4000, + ) => { + // 注意: 这里的 currentDocumentContent 传入的是 AI 提问时编辑器里的总内容, + // 而不是 contentBeforeAiInsertionRef + contentAfterAiInsertionRef,因为可能包含标记 + const beforeCursor = currentDocumentContent.substring(0, cursorPos); + const afterCursor = currentDocumentContent.substring(cursorPos); + + // 使用更明显的插入点标记,这个标记是给AI看的,不是给用户看的 + const insertMarker = '[AI 内容插入点]'; + const availableLength = maxLength - insertMarker.length; + + if (currentDocumentContent.length <= availableLength) { + return { + beforeCursor, + afterCursor, + contextContent: beforeCursor + insertMarker + afterCursor, + }; + } + + const halfLength = Math.floor(availableLength / 2); + let finalBefore = beforeCursor; + let finalAfter = afterCursor; + + // 如果前半部分太长,截断并在前面加省略号 + if (beforeCursor.length > halfLength) { + finalBefore = + '...' + beforeCursor.substring(beforeCursor.length - halfLength + 3); + } + + // 如果后半部分太长,截断并在后面加省略号 + if (afterCursor.length > halfLength) { + finalAfter = afterCursor.substring(0, halfLength - 3) + '...'; + } + + return { + beforeCursor, + afterCursor, + contextContent: finalBefore + insertMarker + finalAfter, + }; + }; + const handleAiQuestionSubmit = async ( e: React.KeyboardEvent, ) => { @@ -286,27 +441,105 @@ const Write = () => { return; } - setIsAiLoading(true); - const initialCursorPos = cursorPosition; - const originalContent = content; - let beforeCursor = '', - afterCursor = ''; - if (initialCursorPos !== null && showCursorIndicator) { - beforeCursor = originalContent.substring(0, initialCursorPos); - afterCursor = originalContent.substring(initialCursorPos); + // 检查是否选择了知识库 + if (selectedKnowledgeBases.length === 0) { + message.warning('请至少选择一个知识库'); + return; } - const controller = new AbortController(); - const timeoutId = setTimeout( - () => controller.abort(), - aiAssistantConfig.api.timeout || 30000, + + // 如果AI正在流式输出,停止它,并处理新问题 + if (isStreaming) { + stopOutputMessage(); // 停止当前的流式输出 + setIsStreaming(false); // 立即设置为false,中断流 + setIsAiLoading(false); // 确保加载状态也停止 + + // 中断时立即清除流中的 标签,并更新主内容 + // 这里使用 currentStreamedAiOutput 作为基准来构建中断时的内容, + // 因为它是屏幕上实际显示的,包含了 标签。 + const contentToCleanOnInterrupt = + contentBeforeAiInsertionRef.current + + currentStreamedAiOutput + + contentAfterAiInsertionRef.current; + const cleanedContent = contentToCleanOnInterrupt.replace( + /.*?<\/think>/gs, + '', + ); + setContent(cleanedContent); + + setCurrentStreamedAiOutput(''); // 清除旧的流式内容 + contentBeforeAiInsertionRef.current = ''; // 清理 useRef + contentAfterAiInsertionRef.current = ''; + aiInsertionStartPosRef.current = null; + message.info('已中断上一次AI回答,正在处理新问题...'); + // 稍作延迟,确保状态更新后再处理新问题,防止竞态条件 + await new Promise((resolve) => { + setTimeout(resolve, 100); + }); + } + + // 如果当前光标位置无效,提醒用户设置 + if (cursorPosition === null) { + message.warning('请先点击文本框以设置AI内容插入位置。'); + return; + } + + // 捕获 AI 插入点前后的静态内容,存储到 useRef + const currentCursorPos = cursorPosition; + // 此时的 content 应该是用户当前编辑器的实际内容,包括可能存在的INSERTION_MARKER + // 但由于 INSERTION_MARKER 为空,所以就是当前的主 content + contentBeforeAiInsertionRef.current = content.substring( + 0, + currentCursorPos, ); + contentAfterAiInsertionRef.current = content.substring(currentCursorPos); + aiInsertionStartPosRef.current = currentCursorPos; // 记录确切的开始插入位置 + + setIsAiLoading(true); + setIsStreaming(true); // 标记AI开始流式输出 + setCurrentStreamedAiOutput(''); // 清空历史累积内容,为新的流做准备 + try { const authorization = localStorage.getItem('Authorization'); if (!authorization) { message.error(t('loginRequiredError')); setIsAiLoading(false); + setIsStreaming(false); // 停止流式标记 + // 失败时也清理临时状态 + setCurrentStreamedAiOutput(''); + contentBeforeAiInsertionRef.current = ''; + contentAfterAiInsertionRef.current = ''; + aiInsertionStartPosRef.current = null; return; } + + // 构建请求内容,将上下文内容发送给AI + let questionWithContext = aiQuestion; + + // 只有当用户设置了插入位置时才包含上下文 + if (aiInsertionStartPosRef.current !== null) { + // 传递给 getContextContent 的 content 应该是当前编辑器完整的,包含marker的 + const { contextContent } = getContextContent( + aiInsertionStartPosRef.current, + content, + ); + questionWithContext = `${aiQuestion}\n\n上下文内容:\n${contextContent}`; + } + + // 发送流式请求 + await sendMessage({ + question: questionWithContext, + kb_ids: selectedKnowledgeBases, + dialog_id: dialogId, + similarity_threshold: similarityThreshold, + keyword_similarity_weight: keywordSimilarityWeight, + temperature: modelTemperature, + }); + + setAiQuestion(''); // 清空输入框 + // 重新聚焦文本框,但不是AI问答框,而是主编辑区 + if (textAreaRef.current?.resizableTextArea?.textArea) { + textAreaRef.current.resizableTextArea.textArea.focus(); + } } catch (error: any) { console.error('AI助手处理失败:', error); if (error.code === 'ECONNABORTED' || error.name === 'AbortError') { @@ -319,10 +552,8 @@ const Write = () => { message.error(t('aiRequestFailedError')); } } finally { - clearTimeout(timeoutId); - setIsAiLoading(false); - setAiQuestion(''); - if (textAreaRef.current) textAreaRef.current.focus(); + // AI加载状态在 done 状态或错误处理中会更新,这里不主动设置为 false + // 只有当 isStreaming 状态完全结束时,才彻底清除临时状态 } } }; @@ -525,33 +756,125 @@ const Write = () => { } }; - const renderEditor = () => ( - setContent(e.target.value)} - onClick={(e) => { - const target = e.target as HTMLTextAreaElement; - setCursorPosition(target.selectionStart); - setShowCursorIndicator(true); - }} - onKeyUp={(e) => { - const target = e.target as HTMLTextAreaElement; - setCursorPosition(target.selectionStart); - setShowCursorIndicator(true); - }} - placeholder={t('writePlaceholder')} - autoSize={false} - /> - ); + // 修改编辑器渲染函数,添加光标标记 + const renderEditor = () => { + let displayContent = content; // 默认显示主内容状态 + + // 如果 AI 正在流式输出,则动态拼接显示内容 + if (isStreaming && aiInsertionStartPosRef.current !== null) { + // 实时显示时,保留 标签内容 + displayContent = + contentBeforeAiInsertionRef.current + + currentStreamedAiOutput + + contentAfterAiInsertionRef.current; + } else if (showCursorIndicator && cursorPosition !== null) { + // 如果不处于流式输出中,但设置了光标,则显示插入标记 + // (由于 INSERTION_MARKER 为空字符串,这一步实际上不会添加可见标记) + const beforeCursor = content.substring(0, cursorPosition); + const afterCursor = content.substring(cursorPosition); + displayContent = beforeCursor + INSERTION_MARKER + afterCursor; + } + + return ( +
+ { + const currentInputValue = e.target.value; // 获取当前输入框中的完整内容 + const newCursorSelectionStart = e.target.selectionStart; + let finalContent = currentInputValue; + let finalCursorPosition = newCursorSelectionStart; + + // 如果用户在 AI 流式输出时输入,则中断 AI 输出,并“固化”当前内容(清除 标签) + if (isStreaming) { + stopOutputMessage(); // 中断 SSE 连接 + setIsStreaming(false); // 停止流式输出 + setIsAiLoading(false); // 停止加载状态 + + // 此时 currentInputValue 已经包含了所有已流出的 AI 内容 (包括 标签) + // 移除 标签 + const contentWithoutThinkTags = currentInputValue.replace( + /.*?<\/think>/gs, + '', + ); + finalContent = contentWithoutThinkTags; + + // 重新计算光标位置,因为内容长度可能因移除 标签而改变 + const originalLength = currentInputValue.length; + const cleanedLength = finalContent.length; + + // 假设光标是在 AI 插入点之后,或者在用户输入后新位置,需要调整 + // 如果光标在被移除的 区域内部,或者在移除区域之后,需要回退相应长度 + if ( + newCursorSelectionStart > (aiInsertionStartPosRef.current || 0) + ) { + // 假设 aiInsertionStartPosRef.current 是 AI 内容的起始点 + finalCursorPosition = + newCursorSelectionStart - (originalLength - cleanedLength); + // 确保光标不会超出新内容的末尾 + if (finalCursorPosition > cleanedLength) { + finalCursorPosition = cleanedLength; + } + } else { + finalCursorPosition = newCursorSelectionStart; // 光标在 AI 插入点之前,无需调整 + } + + // 清理流式相关的临时状态和 useRef + setCurrentStreamedAiOutput(''); + contentBeforeAiInsertionRef.current = ''; + contentAfterAiInsertionRef.current = ''; + aiInsertionStartPosRef.current = null; + } + + // 检查内容中是否包含 INSERTION_MARKER,如果包含则移除 + // 由于 INSERTION_MARKER 为空字符串,此逻辑块影响很小 + const markerIndex = finalContent.indexOf(INSERTION_MARKER); // 对已处理的 finalContent 进行检查 + if (markerIndex !== -1) { + const contentWithoutMarker = finalContent.replace( + INSERTION_MARKER, + '', + ); + finalContent = contentWithoutMarker; + if (newCursorSelectionStart > markerIndex) { + // 此处的 newCursorSelectionStart 仍然是原始的,需要与 markerIndex 比较 + finalCursorPosition = + finalCursorPosition - INSERTION_MARKER.length; + } + } + + setContent(finalContent); // 更新主内容状态 + setCursorPosition(finalCursorPosition); // 更新光标位置状态 + // 手动设置光标位置 + // 这里不能直接操作 DOM,因为是在 setState 之后,DOM 尚未更新 + // Ant Design Input.TextArea 会在 value 更新后自动处理光标位置 + setShowCursorIndicator(true); // 用户输入时,表明已设置光标位置,持续显示标记 + }} + onClick={(e) => { + const target = e.target as HTMLTextAreaElement; + setCursorPosition(target.selectionStart); + setShowCursorIndicator(true); // 点击时设置光标位置并显示标记 + target.focus(); // 确保点击后立即聚焦 + }} + onKeyUp={(e) => { + const target = e.target as HTMLTextAreaElement; + setCursorPosition(target.selectionStart); + setShowCursorIndicator(true); // 键盘抬起时设置光标位置并显示标记 + }} + placeholder={t('writePlaceholder')} + autoSize={false} + /> +
+ ); + }; const renderPreview = () => (
{ }} > + {/* 预览模式下,通常不显示 标签,所以这里不需要特殊处理 */} {content || t('previewPlaceholder')}
@@ -874,11 +1198,6 @@ const Write = () => { }} style={{ flexShrink: 0 }} > - {isAiLoading && ( -
- {t('aiLoadingMessage')}... -
- )} { onKeyDown={handleAiQuestionSubmit} disabled={isAiLoading} /> + + {/* 插入位置提示 或 AI正在回答时的提示 - 现已常驻显示 */} + {isStreaming ? ( // AI正在回答时优先显示此提示 +
+ ✨ AI正在生成回答,请稍候... +
+ ) : // AI未回答时 + cursorPosition !== null ? ( // 如果光标已设置 +
+ 💡 AI回答将插入到文档光标位置 (第 {cursorPosition} 个字符)。 +
+ ) : ( + // 如果光标未设置 +
+ 👆 请在上方文档中点击,设置AI内容插入位置。 +
+ )}