774 lines
21 KiB
Vue
774 lines
21 KiB
Vue
<template>
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<el-container class="ai-layout">
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<!-- 左侧：对话列表 -->
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<ConversationList
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:active-id="activeConversationId"
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ref="conversationListRef"
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@onConversationCreate="handleConversationCreateSuccess"
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@onConversationClick="handleConversationClick"
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@onConversationClear="handleConversationClear"
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@onConversationDelete="handlerConversationDelete"
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/>
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<!-- 右侧：对话详情 -->
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<el-container class="detail-container">
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<el-header class="header">
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<div class="title">
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{{ activeConversation?.title ? activeConversation?.title : '对话' }}
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<span v-if="activeMessageList.length">({{ activeMessageList.length }})</span>
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</div>
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<div class="btns" v-if="activeConversation">
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<el-button type="primary" bg plain size="small" @click="openChatConversationUpdateForm">
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<span v-html="activeConversation?.modelName"></span>
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<Icon icon="ep:setting" class="ml-10px" />
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</el-button>
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<el-button size="small" class="btn" @click="handlerMessageClear">
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<Icon icon="heroicons-outline:archive-box-x-mark" color="#787878" />
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</el-button>
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<el-button size="small" class="btn">
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<Icon icon="ep:download" color="#787878" />
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</el-button>
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<el-button size="small" class="btn" @click="handleGoTopMessage" >
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<Icon icon="ep:top" color="#787878" />
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</el-button>
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</div>
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</el-header>
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<!-- main：消息列表 -->
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<el-main class="main-container">
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<div>
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<div class="message-container">
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<!-- 情况一：消息加载中 -->
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<MessageLoading v-if="activeMessageListLoading" />
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<!-- 情况二：无聊天对话时 -->
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<MessageNewConversation
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v-if="!activeConversation"
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@on-new-conversation="handleConversationCreate"
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/>
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<!-- 情况三：消息列表为空 -->
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<MessageListEmpty
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v-if="!activeMessageListLoading && messageList.length === 0 && activeConversation"
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@on-prompt="doSendMessage"
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/>
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<!-- 情况四：消息列表不为空 -->
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<MessageList
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v-if="!activeMessageListLoading && messageList.length > 0"
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ref="messageRef"
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:conversation="activeConversation"
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:list="messageList"
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@on-delete-success="handleMessageDelete"
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@on-edit="handleMessageEdit"
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@on-refresh="handleMessageRefresh"
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/>
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</div>
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</div>
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</el-main>
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<!-- 底部 -->
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<el-footer class="footer-container">
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<form class="prompt-from">
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<textarea
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class="prompt-input"
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v-model="prompt"
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@keydown="handleSendByKeydown"
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@input="handlePromptInput"
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@compositionstart="onCompositionstart"
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@compositionend="onCompositionend"
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placeholder="问我任何问题...（Shift+Enter 换行，按下 Enter 发送）"
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></textarea>
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<div class="prompt-btns">
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<div>
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<el-switch v-model="enableContext" />
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<span class="ml-5px text-14px text-#8f8f8f">上下文</span>
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</div>
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<el-button
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type="primary"
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size="default"
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@click="handleSendByButton"
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:loading="conversationInProgress"
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v-if="conversationInProgress == false"
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>
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{{ conversationInProgress ? '进行中' : '发送' }}
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</el-button>
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<el-button
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type="danger"
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size="default"
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@click="stopStream()"
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v-if="conversationInProgress == true"
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>
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停止
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</el-button>
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</div>
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</form>
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</el-footer>
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</el-container>
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<!-- 更新对话 Form -->
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<ConversationUpdateForm
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ref="conversationUpdateFormRef"
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@success="handleConversationUpdateSuccess"
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/>
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</el-container>
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</template>
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<script setup lang="ts">
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import { ChatMessageApi, ChatMessageVO } from '@/api/ai/chat/message'
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import { ChatConversationApi, ChatConversationVO } from '@/api/ai/chat/conversation'
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import ConversationList from './components/conversation/ConversationList.vue'
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import ConversationUpdateForm from './components/conversation/ConversationUpdateForm.vue'
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import MessageList from './components/message/MessageList.vue'
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import MessageListEmpty from './components/message/MessageListEmpty.vue'
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import MessageLoading from './components/message/MessageLoading.vue'
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import MessageNewConversation from './components/message/MessageNewConversation.vue'
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import { Download, Top } from '@element-plus/icons-vue'
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/** AI 聊天对话 列表 */
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defineOptions({ name: 'AiChat' })
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const route = useRoute() // 路由
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const message = useMessage() // 消息弹窗
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// 聊天对话
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const conversationListRef = ref()
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const activeConversationId = ref<number | null>(null) // 选中的对话编号
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const activeConversation = ref<ChatConversationVO | null>(null) // 选中的 Conversation
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const conversationInProgress = ref(false) // 对话是否正在进行中。目前只有【发送】消息时，会更新为 true，避免切换对话、删除对话等操作
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// 消息列表
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const messageRef = ref()
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const activeMessageList = ref<ChatMessageVO[]>([]) // 选中对话的消息列表
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const activeMessageListLoading = ref<boolean>(false) // activeMessageList 是否正在加载中
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const activeMessageListLoadingTimer = ref<any>() // activeMessageListLoading Timer 定时器。如果加载速度很快，就不进入加载中
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// 消息滚动
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const textSpeed = ref<number>(50) // Typing speed in milliseconds
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const textRoleRunning = ref<boolean>(false) // Typing speed in milliseconds
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// 发送消息输入框
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const isComposing = ref(false) // 判断用户是否在输入
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const conversationInAbortController = ref<any>() // 对话进行中 abort 控制器(控制 stream 对话)
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const inputTimeout = ref<any>() // 处理输入中回车的定时器
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const prompt = ref<string>() // prompt
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const enableContext = ref<boolean>(true) // 是否开启上下文
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// 接收 Stream 消息
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const receiveMessageFullText = ref('')
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const receiveMessageDisplayedText = ref('')
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// =========== 【聊天对话】相关 ===========
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/** 获取对话信息 */
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const getConversation = async (id: number | null) => {
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if (!id) {
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return
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}
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const conversation: ChatConversationVO = await ChatConversationApi.getChatConversationMy(id)
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if (!conversation) {
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return
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}
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activeConversation.value = conversation
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activeConversationId.value = conversation.id
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}
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/**
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* 点击某个对话
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*
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* @param conversation 选中的对话
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* @return 是否切换成功
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*/
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const handleConversationClick = async (conversation: ChatConversationVO) => {
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// 对话进行中，不允许切换
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if (conversationInProgress.value) {
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message.alert('对话中，不允许切换!')
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return false
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}
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// 更新选中的对话 id
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activeConversationId.value = conversation.id
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activeConversation.value = conversation
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// 刷新 message 列表
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await getMessageList()
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// 滚动底部
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scrollToBottom(true)
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// 清空输入框
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prompt.value = ''
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return true
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}
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/** 删除某个对话*/
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const handlerConversationDelete = async (delConversation: ChatConversationVO) => {
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// 删除的对话如果是当前选中的，那么就重置
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if (activeConversationId.value === delConversation.id) {
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await handleConversationClear()
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}
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}
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/** 清空选中的对话 */
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const handleConversationClear = async () => {
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// 对话进行中，不允许切换
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if (conversationInProgress.value) {
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message.alert('对话中，不允许切换!')
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return false
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}
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activeConversationId.value = null
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activeConversation.value = null
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activeMessageList.value = []
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}
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/** 修改聊天对话 */
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const conversationUpdateFormRef = ref()
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const openChatConversationUpdateForm = async () => {
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conversationUpdateFormRef.value.open(activeConversationId.value)
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}
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const handleConversationUpdateSuccess = async () => {
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// 对话更新成功，刷新最新信息
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await getConversation(activeConversationId.value)
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}
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/** 处理聊天对话的创建成功 */
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const handleConversationCreate = async () => {
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// 创建对话
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await conversationListRef.value.createConversation()
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}
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/** 处理聊天对话的创建成功 */
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const handleConversationCreateSuccess = async () => {
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// 创建新的对话，清空输入框
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prompt.value = ''
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}
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// =========== 【消息列表】相关 ===========
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/** 获取消息 message 列表 */
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const getMessageList = async () => {
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try {
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if (activeConversationId.value === null) {
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return
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}
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// Timer 定时器，如果加载速度很快，就不进入加载中
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activeMessageListLoadingTimer.value = setTimeout(() => {
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activeMessageListLoading.value = true
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}, 60)
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// 获取消息列表
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activeMessageList.value = await ChatMessageApi.getChatMessageListByConversationId(
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activeConversationId.value
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)
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// 滚动到最下面
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await nextTick()
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await scrollToBottom()
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} finally {
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// time 定时器，如果加载速度很快，就不进入加载中
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if (activeMessageListLoadingTimer.value) {
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clearTimeout(activeMessageListLoadingTimer.value)
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}
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// 加载结束
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activeMessageListLoading.value = false
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}
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}
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/**
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* 消息列表
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*
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* 和 {@link #getMessageList()} 的差异是，把 systemMessage 考虑进去
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*/
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const messageList = computed(() => {
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if (activeMessageList.value.length > 0) {
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return activeMessageList.value
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}
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// 没有消息时，如果有 systemMessage 则展示它
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if (activeConversation.value?.systemMessage) {
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return [
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{
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id: 0,
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type: 'system',
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content: activeConversation.value.systemMessage
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}
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]
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}
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return []
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})
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/** 处理删除 message 消息 */
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const handleMessageDelete = () => {
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if (conversationInProgress.value) {
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message.alert('回答中，不能删除!')
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return
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}
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// 刷新 message 列表
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getMessageList()
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}
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/** 处理 message 清空 */
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const handlerMessageClear = async () => {
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if (!activeConversationId.value) {
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return
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}
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try {
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// 确认提示
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await message.delConfirm('确认清空对话消息？')
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// 清空对话
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await ChatMessageApi.deleteByConversationId(activeConversationId.value)
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// 刷新 message 列表
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activeMessageList.value = []
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} catch {}
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}
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/** 回到 message 列表的顶部 */
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const handleGoTopMessage = () => {
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messageRef.value.handlerGoTop()
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}
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// =========== 【发送消息】相关 ===========
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/** 处理来自 keydown 的发送消息 */
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const handleSendByKeydown = async (event) => {
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// 判断用户是否在输入
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if (isComposing.value) {
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return
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}
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// 进行中不允许发送
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if (conversationInProgress.value) {
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return
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}
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const content = prompt.value?.trim() as string
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if (event.key === 'Enter') {
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if (event.shiftKey) {
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// 插入换行
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prompt.value += '\r\n'
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event.preventDefault() // 防止默认的换行行为
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} else {
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// 发送消息
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await doSendMessage(content)
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event.preventDefault() // 防止默认的提交行为
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}
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}
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}
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/** 处理来自【发送】按钮的发送消息 */
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const handleSendByButton = () => {
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doSendMessage(prompt.value?.trim() as string)
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}
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/** 处理 prompt 输入变化 */
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const handlePromptInput = (event) => {
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// 非输入法 输入设置为 true
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if (!isComposing.value) {
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// 回车 event data 是 null
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if (event.data == null) {
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return
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}
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isComposing.value = true
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}
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// 清理定时器
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if (inputTimeout.value) {
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clearTimeout(inputTimeout.value)
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}
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// 重置定时器
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inputTimeout.value = setTimeout(() => {
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isComposing.value = false
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}, 400)
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}
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// TODO @芋艿：是不是可以通过 @keydown.enter、@keydown.shift.enter 来实现，回车发送、shift+回车换行；主要看看，是不是可以简化 isComposing 相关的逻辑
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const onCompositionstart = () => {
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isComposing.value = true
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}
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const onCompositionend = () => {
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// console.log('输入结束...')
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setTimeout(() => {
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isComposing.value = false
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}, 200)
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}
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/** 真正执行【发送】消息操作 */
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const doSendMessage = async (content: string) => {
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// 校验
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if (content.length < 1) {
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message.error('发送失败，原因：内容为空！')
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return
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}
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if (activeConversationId.value == null) {
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message.error('还没创建对话，不能发送!')
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return
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}
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// 清空输入框
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prompt.value = ''
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// 执行发送
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await doSendMessageStream({
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conversationId: activeConversationId.value,
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content: content
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} as ChatMessageVO)
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}
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/** 真正执行【发送】消息操作 */
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const doSendMessageStream = async (userMessage: ChatMessageVO) => {
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// 创建 AbortController 实例，以便中止请求
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conversationInAbortController.value = new AbortController()
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// 标记对话进行中
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conversationInProgress.value = true
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// 设置为空
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receiveMessageFullText.value = ''
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try {
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// 1.1 先添加两个假数据，等 stream 返回再替换
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activeMessageList.value.push({
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id: -1,
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conversationId: activeConversationId.value,
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type: 'user',
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content: userMessage.content,
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createTime: new Date()
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} as ChatMessageVO)
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activeMessageList.value.push({
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id: -2,
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conversationId: activeConversationId.value,
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type: 'assistant',
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content: '思考中...',
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createTime: new Date()
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} as ChatMessageVO)
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// 1.2 滚动到最下面
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await nextTick()
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await scrollToBottom() // 底部
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// 1.3 开始滚动
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textRoll()
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// 2. 发送 event stream
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let isFirstChunk = true // 是否是第一个 chunk 消息段
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await ChatMessageApi.sendChatMessageStream(
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userMessage.conversationId,
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userMessage.content,
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conversationInAbortController.value,
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enableContext.value,
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async (res) => {
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const { code, data, msg } = JSON.parse(res.data)
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if (code !== 0) {
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message.alert(`对话异常! ${msg}`)
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return
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}
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// 如果内容为空，就不处理。
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if (data.receive.content === '') {
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return
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}
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// 首次返回需要添加一个 message 到页面，后面的都是更新
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if (isFirstChunk) {
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isFirstChunk = false
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// 弹出两个假数据
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activeMessageList.value.pop()
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activeMessageList.value.pop()
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// 更新返回的数据
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activeMessageList.value.push(data.send)
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activeMessageList.value.push(data.receive)
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}
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// debugger
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receiveMessageFullText.value = receiveMessageFullText.value + data.receive.content
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// 滚动到最下面
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await scrollToBottom()
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},
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(error) => {
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message.alert(`对话异常! ${error}`)
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stopStream()
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},
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() => {
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stopStream()
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}
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)
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} catch {}
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}
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/** 停止 stream 流式调用 */
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const stopStream = async () => {
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// tip：如果 stream 进行中的 message，就需要调用 controller 结束
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if (conversationInAbortController.value) {
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conversationInAbortController.value.abort()
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}
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// 设置为 false
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conversationInProgress.value = false
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}
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/** 编辑 message：设置为 prompt，可以再次编辑 */
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const handleMessageEdit = (message: ChatMessageVO) => {
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prompt.value = message.content
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}
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/** 刷新 message：基于指定消息，再次发起对话 */
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const handleMessageRefresh = (message: ChatMessageVO) => {
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doSendMessage(message.content)
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}
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// ============== 【消息滚动】相关 =============
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|
||
/** 滚动到 message 底部 */
|
||
const scrollToBottom = async (isIgnore?: boolean) => {
|
||
await nextTick()
|
||
if (messageRef.value) {
|
||
messageRef.value.scrollToBottom(isIgnore)
|
||
}
|
||
}
|
||
|
||
/** 自提滚动效果 */
|
||
const textRoll = async () => {
|
||
let index = 0
|
||
try {
|
||
// 只能执行一次
|
||
if (textRoleRunning.value) {
|
||
return
|
||
}
|
||
// 设置状态
|
||
textRoleRunning.value = true
|
||
receiveMessageDisplayedText.value = ''
|
||
const task = async () => {
|
||
// 调整速度
|
||
const diff =
|
||
(receiveMessageFullText.value.length - receiveMessageDisplayedText.value.length) / 10
|
||
if (diff > 5) {
|
||
textSpeed.value = 10
|
||
} else if (diff > 2) {
|
||
textSpeed.value = 30
|
||
} else if (diff > 1.5) {
|
||
textSpeed.value = 50
|
||
} else {
|
||
textSpeed.value = 100
|
||
}
|
||
// 对话结束，就按 30 的速度
|
||
if (!conversationInProgress.value) {
|
||
textSpeed.value = 10
|
||
}
|
||
|
||
if (index < receiveMessageFullText.value.length) {
|
||
receiveMessageDisplayedText.value += receiveMessageFullText.value[index]
|
||
index++
|
||
|
||
// 更新 message
|
||
const lastMessage = activeMessageList.value[activeMessageList.value.length - 1]
|
||
lastMessage.content = receiveMessageDisplayedText.value
|
||
// 滚动到住下面
|
||
await scrollToBottom()
|
||
// 重新设置任务
|
||
timer = setTimeout(task, textSpeed.value)
|
||
} else {
|
||
// 不是对话中可以结束
|
||
if (!conversationInProgress.value) {
|
||
textRoleRunning.value = false
|
||
clearTimeout(timer)
|
||
} else {
|
||
// 重新设置任务
|
||
timer = setTimeout(task, textSpeed.value)
|
||
}
|
||
}
|
||
}
|
||
let timer = setTimeout(task, textSpeed.value)
|
||
} catch {}
|
||
}
|
||
|
||
/** 初始化 **/
|
||
onMounted(async () => {
|
||
// 如果有 conversationId 参数，则默认选中
|
||
if (route.query.conversationId) {
|
||
const id = route.query.conversationId as unknown as number
|
||
activeConversationId.value = id
|
||
await getConversation(id)
|
||
}
|
||
|
||
// 获取列表数据
|
||
activeMessageListLoading.value = true
|
||
await getMessageList()
|
||
})
|
||
</script>
|
||
|
||
<style lang="scss" scoped>
|
||
.ai-layout {
|
||
position: absolute;
|
||
flex: 1;
|
||
top: 0;
|
||
left: 0;
|
||
height: 100%;
|
||
width: 100%;
|
||
}
|
||
|
||
.conversation-container {
|
||
position: relative;
|
||
display: flex;
|
||
flex-direction: column;
|
||
justify-content: space-between;
|
||
padding: 10px 10px 0;
|
||
|
||
.btn-new-conversation {
|
||
padding: 18px 0;
|
||
}
|
||
|
||
.search-input {
|
||
margin-top: 20px;
|
||
}
|
||
|
||
.conversation-list {
|
||
margin-top: 20px;
|
||
|
||
.conversation {
|
||
display: flex;
|
||
flex-direction: row;
|
||
justify-content: space-between;
|
||
flex: 1;
|
||
padding: 0 5px;
|
||
margin-top: 10px;
|
||
cursor: pointer;
|
||
border-radius: 5px;
|
||
align-items: center;
|
||
line-height: 30px;
|
||
|
||
&.active {
|
||
background-color: #e6e6e6;
|
||
|
||
.button {
|
||
display: inline-block;
|
||
}
|
||
}
|
||
|
||
.title-wrapper {
|
||
display: flex;
|
||
flex-direction: row;
|
||
align-items: center;
|
||
}
|
||
|
||
.title {
|
||
padding: 5px 10px;
|
||
max-width: 220px;
|
||
font-size: 14px;
|
||
overflow: hidden;
|
||
white-space: nowrap;
|
||
text-overflow: ellipsis;
|
||
}
|
||
|
||
.avatar {
|
||
width: 28px;
|
||
height: 28px;
|
||
display: flex;
|
||
flex-direction: row;
|
||
justify-items: center;
|
||
}
|
||
|
||
// 对话编辑、删除
|
||
.button-wrapper {
|
||
right: 2px;
|
||
display: flex;
|
||
flex-direction: row;
|
||
justify-items: center;
|
||
color: #606266;
|
||
|
||
.el-icon {
|
||
margin-right: 5px;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 角色仓库、清空未设置对话
|
||
.tool-box {
|
||
line-height: 35px;
|
||
display: flex;
|
||
justify-content: space-between;
|
||
align-items: center;
|
||
color: var(--el-text-color);
|
||
|
||
> div {
|
||
display: flex;
|
||
align-items: center;
|
||
color: #606266;
|
||
padding: 0;
|
||
margin: 0;
|
||
cursor: pointer;
|
||
|
||
> span {
|
||
margin-left: 5px;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 头部
|
||
.detail-container {
|
||
background: #ffffff;
|
||
|
||
.header {
|
||
display: flex;
|
||
flex-direction: row;
|
||
align-items: center;
|
||
justify-content: space-between;
|
||
background: #fbfbfb;
|
||
box-shadow: 0 0 0 0 #dcdfe6;
|
||
|
||
.title {
|
||
font-size: 18px;
|
||
font-weight: bold;
|
||
}
|
||
|
||
.btns {
|
||
display: flex;
|
||
width: 300px;
|
||
flex-direction: row;
|
||
justify-content: flex-end;
|
||
//justify-content: space-between;
|
||
|
||
.btn {
|
||
padding: 10px;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// main 容器
|
||
.main-container {
|
||
margin: 0;
|
||
padding: 0;
|
||
position: relative;
|
||
height: 100%;
|
||
width: 100%;
|
||
|
||
.message-container {
|
||
position: absolute;
|
||
top: 0;
|
||
bottom: 0;
|
||
left: 0;
|
||
right: 0;
|
||
overflow-y: hidden;
|
||
padding: 0;
|
||
margin: 0;
|
||
}
|
||
}
|
||
|
||
// 底部
|
||
.footer-container {
|
||
display: flex;
|
||
flex-direction: column;
|
||
height: auto;
|
||
margin: 0;
|
||
padding: 0;
|
||
|
||
.prompt-from {
|
||
display: flex;
|
||
flex-direction: column;
|
||
height: auto;
|
||
border: 1px solid #e3e3e3;
|
||
border-radius: 10px;
|
||
margin: 10px 20px 20px 20px;
|
||
padding: 9px 10px;
|
||
}
|
||
|
||
.prompt-input {
|
||
height: 80px;
|
||
//box-shadow: none;
|
||
border: none;
|
||
box-sizing: border-box;
|
||
resize: none;
|
||
padding: 0 2px;
|
||
overflow: auto;
|
||
}
|
||
|
||
.prompt-input:focus {
|
||
outline: none;
|
||
}
|
||
|
||
.prompt-btns {
|
||
display: flex;
|
||
justify-content: space-between;
|
||
padding-bottom: 0;
|
||
padding-top: 5px;
|
||
}
|
||
}
|
||
</style>
|