790 lines
22 KiB
Vue
790 lines
22 KiB
Vue
<template>
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<div class="ai-chat-container">
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<div class="chat-messages" ref="messagesContainer">
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<div v-for="(message, index) in messages" :key="index" :class="['message', message.role]">
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<div class="avatar">
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<div v-if="message.role === 'user'" class="user-avatar">
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none"
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stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="M19 21v-2a4 4 0 0 0-4-4H9a4 4 0 0 0-4 4v2" />
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<circle cx="12" cy="7" r="4" />
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</svg>
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</div>
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<div v-else class="ai-avatar">
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none"
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stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="m12 8-9.04 9.06a2.82 2.82 0 1 0 3.98 3.98L16 12" />
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<circle cx="17" cy="7" r="5" />
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</svg>
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</div>
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</div>
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<div class="message-content">
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<div class="message-text" v-html="message.content"></div>
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<div class="message-time">{{ formatTime(message.timestamp) }}</div>
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</div>
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</div>
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<div v-if="isLoading" class="message assistant">
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<div class="avatar">
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<div class="ai-avatar">
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none"
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stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="m12 8-9.04 9.06a2.82 2.82 0 1 0 3.98 3.98L16 12" />
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<circle cx="17" cy="7" r="5" />
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</svg>
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</div>
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</div>
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<div class="message-content">
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<div class="message-text typing-indicator">
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<span></span>
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<span></span>
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<span></span>
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</div>
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</div>
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</div>
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<div v-if="messages.length === 0" class="welcome-message">
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<div class="welcome-icon">
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<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none"
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stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="m12 8-9.04 9.06a2.82 2.82 0 1 0 3.98 3.98L16 12" />
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<circle cx="17" cy="7" r="5" />
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</svg>
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</div>
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<h3 v-html="formatMessage('你好！我是AI助手')"></h3>
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<p v-html="formatMessage('有什么我可以帮你的吗？')"></p>
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</div>
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</div>
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<div class="chat-input">
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<div class="input-container">
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<input v-model="inputMessage" @keyup.enter="sendMessage" :disabled="isLoading" placeholder="输入消息..."
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class="message-input" />
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<button @click="sendMessage" :disabled="isLoading || !inputMessage.trim()" class="send-button"
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:class="{ 'loading': isLoading }">
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<svg v-if="!isLoading" xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24"
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fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
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stroke-linejoin="round">
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<line x1="22" y1="2" x2="11" y2="13" />
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<polygon points="22 2 15 22 11 13 2 9 22 2" />
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</svg>
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<svg v-else xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24"
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fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
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stroke-linejoin="round">
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<line x1="12" y1="2" x2="12" y2="6" />
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<line x1="12" y1="18" x2="12" y2="22" />
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<line x1="4.93" y1="4.93" x2="7.76" y2="7.76" />
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<line x1="16.24" y1="16.24" x2="19.07" y2="19.07" />
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<line x1="2" y1="12" x2="6" y2="12" />
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<line x1="18" y1="12" x2="22" y2="12" />
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<line x1="4.93" y1="19.07" x2="7.76" y2="16.24" />
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<line x1="16.24" y1="7.76" x2="19.07" y2="4.93" />
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</svg>
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</button>
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</div>
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</div>
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</div>
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</template>
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<script>
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// Vue 2 导入方式
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import { AIAssistant } from './aiAssistant.js';
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import ClipboardJS from 'clipboard';
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export default {
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name: 'AIChat',
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props: {
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chatModelUrl: {
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type: String,
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default: 'https://qianfan.baidubce.com/v2',
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required: false
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},
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modelAuthKey: {
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type: String,
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required: true
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},
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knowledgeBaseId: {
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type: String,
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default: null
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},
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knowledgeBaseUrl: {
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type: String,
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default: '/api/knowledgebases/query'
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},
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knowledgeBaseAuthKey: {
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type: String,
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required: true
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}
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},
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data() {
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return {
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messages: [],
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inputMessage: '',
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isLoading: false,
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eventSource: null,
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aiAssistant: null,
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clipboard: null
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}
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},
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mounted() {
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// 初始化AI助手实例
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this.aiAssistant = new AIAssistant({
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chatModelUrl: this.chatModelUrl,
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modelAuthKey: this.modelAuthKey,
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knowledgeBaseId: this.knowledgeBaseId,
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knowledgeBaseUrl: this.knowledgeBaseUrl,
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knowledgeBaseAuthKey: this.knowledgeBaseAuthKey
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});
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// 初始化剪贴板功能
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this.clipboard = new ClipboardJS('.copy-button');
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// 初始化时渲染可能存在的内容
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this.$nextTick(() => {
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this.renderMathJax();
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this.highlightCode();
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});
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},
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beforeDestroy() {
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if (this.eventSource) {
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this.eventSource.close();
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}
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if (this.clipboard) {
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this.clipboard.destroy();
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}
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},
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methods: {
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formatTime(timestamp) {
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return new Date(timestamp).toLocaleTimeString('zh-CN', {
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hour: '2-digit',
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minute: '2-digit'
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});
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},
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scrollToBottom() {
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this.$nextTick(() => {
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if (this.$refs.messagesContainer) {
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this.$refs.messagesContainer.scrollTop = this.$refs.messagesContainer.scrollHeight;
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}
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});
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},
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clearChat() {
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this.messages = [];
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},
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async sendMessage() {
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const message = this.inputMessage.trim();
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if (!message || this.isLoading) return;
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// 添加用户消息
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this.messages.push({
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role: 'user',
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content: message,
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timestamp: Date.now()
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});
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this.inputMessage = '';
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this.isLoading = true;
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this.scrollToBottom();
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try {
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// 添加助手的空消息占位
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const assistantMessageIndex = this.messages.length;
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this.messages.push({
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role: 'assistant',
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content: '',
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timestamp: Date.now()
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});
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// 使用AI助手发送消息
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const reader = await this.aiAssistant.sendMessage(message);
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const decoder = new TextDecoder();
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let accumulatedContent = '';
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while (true) {
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const { done, value } = await reader.read();
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if (done) break;
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const chunk = decoder.decode(value, { stream: true });
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const lines = chunk.split('\n');
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for (const line of lines) {
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if (line.startsWith('data:')) {
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const data = line.slice(5).trim();
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if (data === '[DONE]') {
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break;
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}
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try {
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const parsed = JSON.parse(data);
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// 根据 OpenAI API 格式解析数据
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const content = parsed.choices[0].delta.content || '';
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if (content) {
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accumulatedContent += content;
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// 实时更新内容并格式化
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this.messages[assistantMessageIndex].content = accumulatedContent;
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this.scrollToBottom();
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}
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} catch (e) {
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console.warn('Error parsing JSON:', e);
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}
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}
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}
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}
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// 渲染数学公式和代码高亮
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this.$nextTick(() => {
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this.renderMathJax();
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this.highlightCode();
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});
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// 发送新消息事件
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this.$emit('new-message');
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} catch (error) {
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console.error('Error sending message:', error);
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this.messages.push({
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role: 'assistant',
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content: '抱歉，发送消息时出现错误: ' + error.message,
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timestamp: Date.now()
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});
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} finally {
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this.isLoading = false;
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this.scrollToBottom();
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}
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},
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// 渲染数学公式
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renderMathJax() {
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if (window.MathJax) {
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window.MathJax.Hub.Queue(["Typeset", window.MathJax.Hub]);
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}
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},
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// 代码高亮
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highlightCode() {
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this.$nextTick(() => {
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// 查找所有代码块元素
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const codeBlocks = this.$refs.messagesContainer.querySelectorAll('pre code') || [];
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// 如果有Prism.js，则使用它来高亮代码
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if (window.Prism) {
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codeBlocks.forEach((block) => {
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// 获取语言类名
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const classes = block.className.split(' ');
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const langClass = classes.find(cls => cls.startsWith('language-'));
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if (langClass) {
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// 如果指定了语言，则使用指定的语言进行高亮
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const lang = langClass.replace('language-', '');
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if (window.Prism.languages[lang]) {
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block.className = `language-${lang}`;
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window.Prism.highlightElement(block);
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return;
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}
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}
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// 默认高亮
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window.Prism.highlightElement(block);
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});
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} else {
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// 如果没有Prism.js，则至少确保基本样式
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codeBlocks.forEach((block) => {
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block.classList.add('no-highlight');
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});
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}
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});
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},
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// 格式化消息内容，处理HTML和Markdown格式
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formatMessage(content) {
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if (!content) return '';
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// 处理HTML实体编码
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content = content.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, ''');
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// 处理代码块 - 将 ```code``` 转换为 <pre><code>code</code></pre>
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content = content.replace(/```(\w*)\s*([\s\S]*?)```/g, (match, lang, code) => {
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if (lang) {
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return `<pre><code class="language-${lang}">${code.trim()}</code></pre>`;
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} else {
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return `<pre><code>${code.trim()}</code></pre>`;
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}
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});
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// 处理行内代码 - 将 `code` 转换为 <code>code</code>
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content = content.replace(/`([^`]+)`/g, '<code>$1</code>');
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// 处理粗体文本 - 将 **bold** 转换为 <strong>bold</strong>
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content = content.replace(/\*\*([^*]+)\*\*/g, '<strong>$1</strong>');
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// 处理斜体文本 - 将 *italic* 转换为 <em>italic</em>
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content = content.replace(/\*([^*]+)\*/g, '<em>$1</em>');
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// 处理删除线 - 将 ~~text~~ 转换为 <del>text</del>
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content = content.replace(/~~([^~]+)~~/g, '<del>$1</del>');
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// 处理链接 - 将 [text](url) 转换为 <a href="url">text</a>
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content = content.replace(/\[([^\]]+)\]\(([^)]+)\)/g, '<a href="$2" target="_blank">$1</a>');
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// 处理无序列表 - 将 * item 转换为 <li>item</li>
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content = content.replace(/^\s*\*\s+(.*)$/gm, '<li>$1</li>');
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// 包裹相邻的li元素到ul中
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content = content.replace(/((?:<li>.*<\/li>\s*)+)/g, '<ul>$1</ul>');
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// 处理有序列表 - 将 1. item 转换为 <li>item</li>
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content = content.replace(/^\s*\d+\.\s+(.*)$/gm, '<li>$1</li>');
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// 包裹相邻的li元素到ol中
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content = content.replace(/((?:<li>.*<\/li>\s*)+)/g, '<ol>$1</ol>');
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// 处理数学公式（行内）
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content = content.replace(/\$([^\$]+)\$/g, '<span class="math-inline">$1</span>');
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// 处理数学公式（块级）
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content = content.replace(/\$\$([^\$]+)\$\$/g, '<div class="math-display">$1</div>');
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// 处理换行
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content = content.replace(/\n/g, '<br>');
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return content;
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}
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}
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};
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</script>
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<style scoped>
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.ai-chat-container {
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display: flex;
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flex-direction: column;
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height: 100%;
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min-height: 400px;
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max-height: calc(80vh - 20px);
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border-radius: 12px;
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overflow: hidden;
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box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
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background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
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}
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.chat-header {
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background: linear-gradient(120deg, #4a6cf7 0%, #6a11cb 100%);
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color: white;
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padding: 16px;
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display: flex;
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justify-content: space-between;
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align-items: center;
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box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
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}
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.header-content {
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display: flex;
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align-items: center;
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gap: 12px;
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}
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.header-icon {
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background: rgba(255, 255, 255, 0.2);
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border-radius: 50%;
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padding: 8px;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.header-text h3 {
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margin: 0;
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font-size: 18px;
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font-weight: 600;
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}
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.status {
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margin: 0;
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font-size: 12px;
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opacity: 0.9;
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margin-top: 2px;
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}
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.icon-button {
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background: rgba(255, 255, 255, 0.2);
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border: none;
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border-radius: 8px;
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width: 36px;
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height: 36px;
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display: flex;
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align-items: center;
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justify-content: center;
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cursor: pointer;
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transition: all 0.2s ease;
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color: white;
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}
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.icon-button:hover {
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background: rgba(255, 255, 255, 0.3);
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}
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.chat-messages {
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flex: 1;
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overflow-y: auto;
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padding: 15px;
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display: flex;
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flex-direction: column;
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gap: 15px;
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background-color: #fff;
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scroll-behavior: smooth;
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-webkit-overflow-scrolling: touch;
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}
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/* 隐藏滚动条但保持可滚动 */
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.chat-messages::-webkit-scrollbar {
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width: 6px;
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}
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.chat-messages::-webkit-scrollbar-track {
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background: transparent;
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}
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.chat-messages::-webkit-scrollbar-thumb {
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background: rgba(0, 0, 0, 0.1);
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border-radius: 3px;
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}
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.chat-messages::-webkit-scrollbar-thumb:hover {
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background: rgba(0, 0, 0, 0.2);
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}
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.welcome-message {
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text-align: center;
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padding: 40px 20px;
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color: #666;
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margin: auto;
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}
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.welcome-icon {
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margin-bottom: 20px;
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color: #4a6cf7;
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}
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.welcome-message h3 {
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margin: 0 0 10px 0;
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color: #333;
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}
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.welcome-message p {
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margin: 0;
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color: #666;
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}
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.message {
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display: flex;
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gap: 10px;
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max-width: 95%;
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animation: fadeIn 0.3s ease;
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}
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@keyframes fadeIn {
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from {
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opacity: 0;
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transform: translateY(10px);
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}
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to {
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opacity: 1;
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transform: translateY(0);
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}
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}
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.message.user {
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align-self: flex-end;
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flex-direction: row-reverse;
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}
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.message.user .message-content {
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background: linear-gradient(120deg, #4a6cf7 0%, #6a11cb 100%);
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color: white;
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border-top-right-radius: 4px;
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}
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.message.assistant .message-content {
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background-color: #f0f4f8;
|
||
color: #333;
|
||
border-top-left-radius: 4px;
|
||
}
|
||
|
||
.avatar {
|
||
flex-shrink: 0;
|
||
width: 28px;
|
||
height: 28px;
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
}
|
||
|
||
.user-avatar,
|
||
.ai-avatar {
|
||
width: 100%;
|
||
height: 100%;
|
||
border-radius: 50%;
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
}
|
||
|
||
.user-avatar {
|
||
background: linear-gradient(120deg, #4a6cf7 0%, #6a11cb 100%);
|
||
color: white;
|
||
}
|
||
|
||
.ai-avatar {
|
||
background: #e4edf5;
|
||
color: #4a6cf7;
|
||
}
|
||
|
||
.message-content {
|
||
padding: 10px 14px;
|
||
border-radius: 18px;
|
||
position: relative;
|
||
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
|
||
}
|
||
|
||
.message-text {
|
||
word-wrap: break-word;
|
||
line-height: 1.6;
|
||
font-size: 15px;
|
||
}
|
||
|
||
/* 代码块样式 */
|
||
.message-text pre {
|
||
background-color: #2d2d2d;
|
||
border-radius: 8px;
|
||
padding: 16px;
|
||
overflow-x: auto;
|
||
margin: 12px 0;
|
||
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
|
||
position: relative;
|
||
}
|
||
|
||
.message-text pre code {
|
||
font-family: 'Courier New', Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
|
||
background: none;
|
||
color: #f8f8f2;
|
||
text-shadow: none;
|
||
padding: 0;
|
||
font-size: 14px;
|
||
line-height: 1.5;
|
||
display: block;
|
||
white-space: pre;
|
||
word-wrap: normal;
|
||
}
|
||
|
||
.message-text pre code.no-highlight {
|
||
color: #f8f8f2;
|
||
font-size: 14px;
|
||
line-height: 1.5;
|
||
}
|
||
|
||
.message-text strong {
|
||
font-weight: 700;
|
||
color: #333;
|
||
}
|
||
|
||
.message-text em {
|
||
font-style: italic;
|
||
}
|
||
|
||
.message-text del {
|
||
text-decoration: line-through;
|
||
}
|
||
|
||
.message-text a {
|
||
color: #4a6cf7;
|
||
text-decoration: none;
|
||
}
|
||
|
||
.message-text a:hover {
|
||
text-decoration: underline;
|
||
}
|
||
|
||
.message-text ul,
|
||
.message-text ol {
|
||
padding-left: 20px;
|
||
margin: 10px 0;
|
||
}
|
||
|
||
.message-text li {
|
||
margin: 5px 0;
|
||
}
|
||
|
||
.message-text ul ul,
|
||
.message-text ol ol,
|
||
.message-text ul ol,
|
||
.message-text ol ul {
|
||
margin: 0;
|
||
}
|
||
|
||
.message-text code {
|
||
font-family: 'Courier New', Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
|
||
background-color: #f0f0f0;
|
||
padding: 2px 6px;
|
||
border-radius: 4px;
|
||
font-size: 14px;
|
||
color: #d6336c;
|
||
}
|
||
|
||
.message-text pre code {
|
||
background-color: transparent;
|
||
padding: 0;
|
||
color: #f8f8f2;
|
||
}
|
||
|
||
/* 行内数学公式 */
|
||
.message-text span.math-inline {
|
||
color: #e83e8c;
|
||
}
|
||
|
||
/* 块级数学公式 */
|
||
.message-text div.math-display {
|
||
text-align: center;
|
||
margin: 10px 0;
|
||
padding: 10px;
|
||
background-color: #f8f9fa;
|
||
border-radius: 4px;
|
||
}
|
||
|
||
.message-time {
|
||
font-size: 11px;
|
||
opacity: 0.7;
|
||
text-align: right;
|
||
margin-top: 6px;
|
||
}
|
||
|
||
.typing-indicator {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 4px;
|
||
}
|
||
|
||
.typing-indicator span {
|
||
width: 8px;
|
||
height: 8px;
|
||
border-radius: 50%;
|
||
background: #999;
|
||
display: inline-block;
|
||
animation: typing 1.4s infinite ease-in-out;
|
||
}
|
||
|
||
.typing-indicator span:nth-child(1) {
|
||
animation-delay: 0s;
|
||
}
|
||
|
||
.typing-indicator span:nth-child(2) {
|
||
animation-delay: 0.2s;
|
||
}
|
||
|
||
.typing-indicator span:nth-child(3) {
|
||
animation-delay: 0.4s;
|
||
}
|
||
|
||
@keyframes typing {
|
||
|
||
0%,
|
||
60%,
|
||
100% {
|
||
transform: translateY(0);
|
||
}
|
||
|
||
30% {
|
||
transform: translateY(-5px);
|
||
}
|
||
}
|
||
|
||
.chat-input {
|
||
padding: 16px;
|
||
background: white;
|
||
border-top: 1px solid #eee;
|
||
}
|
||
|
||
.input-container {
|
||
display: flex;
|
||
gap: 10px;
|
||
align-items: center;
|
||
}
|
||
|
||
.message-input {
|
||
flex: 1;
|
||
padding: 12px 16px;
|
||
border: 1px solid #ddd;
|
||
border-radius: 24px;
|
||
outline: none;
|
||
font-size: 15px;
|
||
transition: border-color 0.2s ease;
|
||
background: #f8fafc;
|
||
}
|
||
|
||
.message-input:focus {
|
||
border-color: #4a6cf7;
|
||
box-shadow: 0 0 0 2px rgba(74, 108, 247, 0.2);
|
||
}
|
||
|
||
.send-button {
|
||
width: 44px;
|
||
height: 44px;
|
||
border-radius: 50%;
|
||
border: none;
|
||
background: linear-gradient(120deg, #4a6cf7 0%, #6a11cb 100%);
|
||
color: white;
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
cursor: pointer;
|
||
transition: all 0.2s ease;
|
||
flex-shrink: 0;
|
||
}
|
||
|
||
.send-button:hover:not(:disabled) {
|
||
transform: scale(1.05);
|
||
box-shadow: 0 4px 12px rgba(74, 108, 247, 0.3);
|
||
}
|
||
|
||
.send-button:disabled {
|
||
opacity: 0.6;
|
||
cursor: not-allowed;
|
||
transform: none;
|
||
box-shadow: none;
|
||
}
|
||
|
||
.send-button.loading {
|
||
animation: spin 1s linear infinite;
|
||
}
|
||
|
||
@keyframes spin {
|
||
0% {
|
||
transform: rotate(0deg);
|
||
}
|
||
|
||
100% {
|
||
transform: rotate(360deg);
|
||
}
|
||
}
|
||
|
||
@media (max-width: 600px) {
|
||
.ai-chat-container {
|
||
height: 100%;
|
||
border-radius: 0;
|
||
}
|
||
|
||
.message {
|
||
max-width: 98%;
|
||
}
|
||
|
||
.chat-header {
|
||
padding: 12px 16px;
|
||
}
|
||
|
||
.chat-messages {
|
||
padding: 12px;
|
||
}
|
||
}
|
||
</style> |