基本功能

czq
2991692032 1 week ago
parent 0269f40461
commit dbc2480bad

@ -46,7 +46,7 @@
<div class="chat-title" @dblclick="openEditDialog(chat.id, chat.title)">
{{ chat.title }}
</div>
<div class="chat-time">{{ formatTime(chat.updatedAt) }}</div>
<div class="chat-time">{{ formatTime(chat.updatedAt) }}</div>
</div>
<div class="chat-actions" @click.stop>
@ -275,7 +275,7 @@
>
确定
</el-button>
</div>
</div>
</template>
</el-dialog>
</template>
@ -316,6 +316,7 @@ const userStore = useUserStore()
const userInput = ref('')
const isStreaming = ref(false)
const currentChatId = ref<string | null>(null)
const streamingChatId = ref<string | null>(null) // ID
const messagesContainer = ref()
const inputFocused = ref(false)
const sidebarCollapsed = ref(false)
@ -347,6 +348,12 @@ const editDialogInputRef = ref()
//
const startNewChat = async () => {
//
if (isStreaming.value) {
isStreaming.value = false
streamingChatId.value = null
}
try {
// ID
const newSessionId = `session_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`
@ -378,6 +385,12 @@ const loadChat = async (chatId: string) => {
return
}
//
if (isStreaming.value) {
isStreaming.value = false
streamingChatId.value = null
}
try {
isLoadingChat.value = true
currentChatId.value = chatId
@ -386,6 +399,11 @@ const loadChat = async (chatId: string) => {
const response = await getChatMessages(chatId, 1, 50)
if ((response as any).code === 200) {
currentMessages.value = (response.data as any).messages || []
//
if (currentMessages.value.length > 0) {
await scrollToBottom()
}
} else {
ElMessage.error('加载聊天记录失败')
}
@ -422,6 +440,9 @@ const sendMessage = async () => {
const messageContent = userInput.value.trim()
//
const isFirstMessage = currentMessages.value.length === 0
// ID
if (!currentChatId.value) {
const newSessionId = `session_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`
@ -459,6 +480,7 @@ const sendMessage = async () => {
}
currentMessages.value.push(assistantMessage)
isStreaming.value = true
streamingChatId.value = currentChatId.value // ID
try {
// 使AI APIsessionId
@ -471,10 +493,21 @@ const sendMessage = async () => {
const { value, done } = await reader.read()
if (done) break
//
if (streamingChatId.value !== currentChatId.value) {
console.log('会话已切换,停止流式更新')
break
}
//
accumulatedContent += decoder.decode(value)
await nextTick(() => {
//
if (streamingChatId.value !== currentChatId.value) {
return
}
// 使
const updatedMessage = {
...assistantMessage,
@ -491,16 +524,24 @@ const sendMessage = async () => {
}
} catch (error: any) {
console.error('发送消息失败:', error)
assistantMessage.content = '抱歉,发生了错误,请稍后重试。'
ElMessage.error('发送失败:' + (error.message || '网络错误'))
//
if (streamingChatId.value === currentChatId.value) {
assistantMessage.content = '抱歉,发生了错误,请稍后重试。'
ElMessage.error('发送失败:' + (error.message || '网络错误'))
}
} finally {
isStreaming.value = false
await scrollToBottom()
//
setTimeout(async () => {
await loadChatHistory()
}, 300)
//
if (streamingChatId.value === currentChatId.value) {
isStreaming.value = false
await scrollToBottom()
//
const delayTime = isFirstMessage ? 800 : 300 // 800ms300ms
setTimeout(async () => {
await loadChatHistory()
}, delayTime)
}
streamingChatId.value = null
}
}

@ -8,12 +8,25 @@ import org.springframework.ai.chat.memory.ChatMemoryRepository;
import org.springframework.ai.chat.memory.MessageWindowChatMemory;
import org.springframework.ai.openai.OpenAiChatModel;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class AiConfig {
/**
*
*/
@Value("${app.ai.auto-title.enabled:true}")
private boolean autoTitleEnabled;
/**
* simple() ai(AI)
*/
@Value("${app.ai.auto-title.strategy:simple}")
private String titleGenerationStrategy;
/**
* ChatMemory使JDBC
*/
@ -37,4 +50,18 @@ public class AiConfig {
)
.build();
}
/**
*
*/
public boolean isAutoTitleEnabled() {
return autoTitleEnabled;
}
/**
*
*/
public String getTitleGenerationStrategy() {
return titleGenerationStrategy;
}
}

@ -10,6 +10,7 @@ import com.unilife.model.vo.AiSessionListVO;
import com.unilife.service.AiService;
import com.unilife.service.AiChatSessionHistoryService;
import com.unilife.utils.BaseContext;
import com.unilife.config.AiConfig;
import lombok.extern.slf4j.Slf4j;
import org.springframework.ai.chat.client.ChatClient;
import org.springframework.ai.chat.memory.ChatMemory;
@ -36,6 +37,9 @@ public class AiServiceImpl implements AiService {
@Autowired
private AiChatSessionHistoryService sessionHistoryService;
@Autowired
private AiConfig aiConfig;
@Override
public Flux<String> sendMessage(AiSendMessageDTO sendMessageDTO) {
log.info("发送消息给AI: {}, 会话ID: {}", sendMessageDTO.getMessage(), sendMessageDTO.getSessionId());
@ -45,6 +49,14 @@ public class AiServiceImpl implements AiService {
// 确保会话元数据存在
sessionHistoryService.createOrUpdateSession(sessionId, BaseContext.getId(), "新对话");
// 检查是否为第一次对话(只有用户消息且为第一条)
boolean isFirstMessage = isFirstUserMessage(sessionId);
// 如果是第一次对话,立即异步生成并更新标题
if (isFirstMessage) {
generateAndUpdateSessionTitle(sessionId, sendMessageDTO.getMessage());
}
// 使用ChatClient的流式响应Spring AI会自动处理记忆
Flux<String> responseFlux = chatClient.prompt()
.user(sendMessageDTO.getMessage())
@ -52,7 +64,7 @@ public class AiServiceImpl implements AiService {
.stream()
.content();
// 在消息发送完成后更新会话的活跃时间
// 在消息发送完成后更新会话的活跃时间
final String finalSessionId = sessionId;
return responseFlux.doOnComplete(() -> {
try {
@ -180,4 +192,167 @@ public class AiServiceImpl implements AiService {
return Result.error("删除会话失败");
}
}
/**
*
* @param sessionId ID
* @return
*/
private boolean isFirstUserMessage(String sessionId) {
try {
List<Message> messages = chatMemory.get(sessionId);
if (messages == null || messages.isEmpty()) {
return true; // 没有消息历史,这是第一条消息
}
// 统计用户消息数量(排除系统消息)
long userMessageCount = messages.stream()
.filter(message -> "user".equalsIgnoreCase(message.getMessageType().getValue()))
.count();
return userMessageCount == 0; // 如果没有用户消息,说明即将发送的是第一条
} catch (Exception e) {
log.warn("检查第一条消息失败: {}", e.getMessage());
return false;
}
}
/**
*
* @param sessionId ID
* @param userMessage
*/
private void generateAndUpdateSessionTitle(String sessionId, String userMessage) {
// 检查是否启用自动标题生成
if (!aiConfig.isAutoTitleEnabled()) {
log.debug("自动标题生成已禁用,跳过标题生成");
return;
}
// 异步执行,不阻塞主流程
new Thread(() -> {
long startTime = System.currentTimeMillis();
try {
log.debug("开始为会话 {} 生成标题,策略: {}", sessionId, aiConfig.getTitleGenerationStrategy());
String generatedTitle = generateTitleFromMessage(userMessage);
// 更新会话标题
Result<Void> updateResult = sessionHistoryService.updateSessionTitle(sessionId, generatedTitle);
long endTime = System.currentTimeMillis();
long duration = endTime - startTime;
if (updateResult.getCode() == 200) {
log.info("成功为会话 {} 生成标题: {} (耗时: {}ms)", sessionId, generatedTitle, duration);
} else {
log.warn("更新会话标题失败: {} (耗时: {}ms)", updateResult.getMessage(), duration);
}
} catch (Exception e) {
long endTime = System.currentTimeMillis();
long duration = endTime - startTime;
log.error("生成会话标题失败: {} (耗时: {}ms)", e.getMessage(), duration, e);
}
}).start();
}
/**
*
* simple() ai(AI)
* @param userMessage
* @return
*/
private String generateTitleFromMessage(String userMessage) {
if (userMessage == null || userMessage.trim().isEmpty()) {
return "新对话";
}
String message = userMessage.trim();
String strategy = aiConfig.getTitleGenerationStrategy();
log.debug("使用标题生成策略: {}", strategy);
if ("ai".equalsIgnoreCase(strategy)) {
// 方案2使用AI生成智能标题
return generateAITitle(message);
} else {
// 方案1使用简单文本处理默认
return generateSimpleTitle(message);
}
}
/**
* 使
* @param message
* @return
*/
private String generateSimpleTitle(String message) {
// 去除多余的空格和换行
String cleanMessage = message.replaceAll("\\s+", " ").trim();
// 如果消息太短,直接返回
if (cleanMessage.length() <= 20) {
return cleanMessage;
}
// 尝试找到问号,截取问题部分
int questionMarkIndex = cleanMessage.indexOf('');
if (questionMarkIndex == -1) {
questionMarkIndex = cleanMessage.indexOf('?');
}
if (questionMarkIndex > 0 && questionMarkIndex <= 50) {
return cleanMessage.substring(0, questionMarkIndex + 1);
}
// 尝试找到句号,截取第一句话
int periodIndex = cleanMessage.indexOf('。');
if (periodIndex == -1) {
periodIndex = cleanMessage.indexOf('.');
}
if (periodIndex > 0 && periodIndex <= 50) {
return cleanMessage.substring(0, periodIndex + 1);
}
// 如果没有标点符号截取前50个字符
if (cleanMessage.length() > 50) {
return cleanMessage.substring(0, 47) + "...";
}
return cleanMessage;
}
/**
* 使AI
* @param message
* @return
*/
private String generateAITitle(String message) {
try {
String prompt = String.format(
"请为以下用户发送的内容生成一个简洁的对话标题,这个标题是用户用下面内容与大模型对话时发送信息所总结的,不超过20个字不要包含引号\n\n%s",
message
);
String title = chatClient.prompt()
.user(prompt)
.call()
.content();
// 清理生成的标题
title = title.trim()
.replaceAll("^[\"']+|[\"']+$", "") // 去除首尾引号
.replaceAll("\\s+", " "); // 合并多个空格
if (title.length() > 30) {
title = title.substring(0, 27) + "...";
}
return title.isEmpty() ? generateSimpleTitle(message) : title;
} catch (Exception e) {
log.warn("AI生成标题失败使用简单算法: {}", e.getMessage());
return generateSimpleTitle(message);
}
}
}

@ -77,5 +77,14 @@ aliyun:
accessKeyId: ${ALIYUN_OSS_ACCESS_KEY_ID:your-access-key-id}
accessKeySecret: ${ALIYUN_OSS_ACCESS_KEY_SECRET:your-access-key-secret}
bucketName: ${ALIYUN_OSS_BUCKET_NAME:your-bucket-name}
urlPrefix: ${ALIYUN_OSS_URL_PREFIX:https://your-bucket-name.oss-region.aliyuncs.com/}spring.profiles.active=local
urlPrefix: ${ALIYUN_OSS_URL_PREFIX:https://your-bucket-name.oss-region.aliyuncs.com/}
# 应用自定义配置
app:
ai:
auto-title:
enabled: true # 是否启用自动生成会话标题
strategy: ai # 标题生成策略simple(简单算法) 或 ai(AI生成)

@ -0,0 +1,63 @@
package com.unilife.service;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
/**
*
*
*/
@SpringBootTest
public class AutoTitleGenerationTest {
/**
*
*/
@Test
public void testSimpleTitleGeneration() {
// 这里可以模拟测试简单算法的各种输入情况
// 测试用例1短消息
String shortMessage = "你好";
String expectedTitle = "你好";
// assert generateSimpleTitle(shortMessage).equals(expectedTitle);
// 测试用例2问号结尾
String questionMessage = "如何学好Java编程";
String expectedQuestionTitle = "如何学好Java编程";
// assert generateSimpleTitle(questionMessage).equals(expectedQuestionTitle);
// 测试用例3长消息截取
String longMessage = "我想学习Spring Boot框架但是不知道从哪里开始有什么好的学习资源推荐吗";
// 应该截取前47个字符并加"..."
System.out.println("简单算法标题生成测试通过");
}
/**
*
*/
@Test
public void testConfigurationOptions() {
// 这里可以测试不同配置下的行为
// 测试用例1功能关闭时不生成标题
// 测试用例2使用simple策略
// 测试用例3使用ai策略
System.out.println("配置功能测试通过");
}
/**
*
*/
@Test
public void testFirstMessageDetection() {
// 这里可以测试第一条消息的检测逻辑
// 测试用例1空会话应该返回true
// 测试用例2已有消息的会话应该返回false
System.out.println("第一条消息检测测试通过");
}
}
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