完成基本功能
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345
client/src/App.vue
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345
client/src/App.vue
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<script setup>
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import {ref} from 'vue'
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import MarkdownIt from 'markdown-it'
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import MarkDownMermaidPlugin from 'mermaid-it-markdown'
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import {fetchEventSource} from '@microsoft/fetch-event-source'
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// 初始化 markdown-it 实例
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const md = new MarkdownIt({
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html: true, // 启用 HTML 标签
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breaks: true, // 转换换行符为 <br>
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linkify: true, // 自动转换 URL 为链接
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typographer: true // 启用一些语言中性的替换 + 引号美化
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})
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md.use(MarkDownMermaidPlugin)
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const question = ref('')
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const answer = ref('')
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const loading = ref(false)
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// 使用计算属性来渲染 markdown
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const renderedAnswer = ref('')
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answer.value = "```mermaid\ngraph TD;\n A-->B;\n A-->C;\n B-->D;\n C-->D;\n```"
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renderedAnswer.value = md.render(answer.value)
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const handleSubmit = async () => {
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if (!question.value.trim() || loading.value) return
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loading.value = true
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answer.value = ''
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renderedAnswer.value = ''
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try {
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await fetchEventSource('http://localhost:7891/chat/stream', {
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method: 'POST',
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body: question.value.trim(),
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onmessage(event) {
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// 处理每个消息事件
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answer.value += event.data
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// 实时渲染 markdown
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renderedAnswer.value = md.render(answer.value)
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},
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onclose() {
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loading.value = false
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console.log(answer.value)
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},
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onerror(err) {
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console.error('请求出错:', err)
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loading.value = false
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return false // 不进行重试
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}
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})
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} catch (error) {
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console.error('请求出错:', error)
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answer.value = '抱歉，请求出现错误'
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renderedAnswer.value = answer.value
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loading.value = false
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}
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}
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</script>
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<template>
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<div class="chat-container">
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<div class="chat-header">
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<h1>AI 助手</h1>
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</div>
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<div class="messages-container">
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<div class="answer-area">
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<div
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v-if="renderedAnswer"
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class="markdown-body"
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v-html="renderedAnswer"
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/>
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<div v-else class="placeholder">
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<template v-if="loading">
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<div class="thinking">
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<span>思考中</span>
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<span class="thinking-spinner"></span>
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</div>
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</template>
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<template v-else>
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在下方输入您的问题，AI 助手会为您解答...
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</template>
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</div>
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</div>
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</div>
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<div class="input-area">
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<div class="input-container">
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<textarea
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v-model="question"
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placeholder="请输入您的问题... (Ctrl + Enter 快速发送)"
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@keyup.ctrl.enter="handleSubmit"
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></textarea>
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<button
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:disabled="loading"
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class="send-button"
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@click="handleSubmit"
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>
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<span v-if="loading" class="loading-spinner"></span>
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<span>{{ loading ? '思考中...' : '发送' }}</span>
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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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<style scoped>
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.chat-container {
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margin: 0;
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height: 100vh;
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display: flex;
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flex-direction: column;
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background-color: #fafafa; /* 更柔和的背景色 */
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}
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.chat-header {
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padding: 20px 32px;
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background: linear-gradient(to right, #2563eb, #3b82f6); /* 渐变背景 */
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box-shadow: 0 2px 12px rgba(37, 99, 235, 0.15);
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position: sticky;
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top: 0;
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z-index: 10;
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}
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.chat-header h1 {
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margin: 0;
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font-size: 1.5rem;
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color: #ffffff;
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font-weight: 600;
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letter-spacing: -0.5px;
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}
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.messages-container {
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flex: 1;
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overflow-y: auto;
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padding: 32px;
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background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%); /* 渐变背景 */
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scroll-behavior: smooth;
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}
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.answer-area {
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max-width: 1200px;
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margin: 0 auto;
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background-color: #ffffff;
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border-radius: 20px;
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box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
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padding: 40px;
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min-height: 200px;
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transition: all 0.3s ease;
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border: 1px solid rgba(0, 0, 0, 0.05);
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}
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.placeholder {
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color: #94a3b8;
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font-size: 1.1rem;
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text-align: center;
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margin-top: 80px;
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line-height: 1.6;
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font-weight: 500;
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}
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.input-area {
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padding: 24px 32px;
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background: rgba(255, 255, 255, 0.9);
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backdrop-filter: blur(20px);
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border-top: 1px solid rgba(0, 0, 0, 0.06);
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position: sticky;
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bottom: 0;
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box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
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}
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.input-container {
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max-width: 1200px;
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margin: 0 auto;
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width: 100%;
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display: flex;
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gap: 20px;
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}
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textarea {
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flex: 1;
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min-height: 64px;
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max-height: 200px;
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padding: 18px 24px;
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border: 2px solid #e2e8f0;
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border-radius: 16px;
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resize: none; /* 禁用调整大小功能 */
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font-size: 1rem;
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line-height: 1.6;
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transition: all 0.2s ease;
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background-color: #ffffff;
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box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
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}
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textarea:focus {
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outline: none;
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border-color: #3b82f6;
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box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
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}
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textarea::placeholder {
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color: #94a3b8;
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font-weight: 500;
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}
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.send-button {
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padding: 0 32px;
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background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
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color: white;
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border: none;
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border-radius: 16px;
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cursor: pointer;
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font-weight: 600;
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font-size: 1rem;
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display: flex;
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align-items: center;
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gap: 10px;
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
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}
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.send-button:hover:not(:disabled) {
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transform: translateY(-2px);
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box-shadow: 0 6px 20px rgba(37, 99, 235, 0.25);
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background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
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}
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.send-button:active:not(:disabled) {
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transform: translateY(0);
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box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
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}
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.send-button:disabled {
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background: linear-gradient(135deg, #94a3b8 0%, #cbd5e1 100%);
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cursor: not-allowed;
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transform: none;
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box-shadow: none;
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}
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/* Markdown 样式优化 */
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.markdown-body {
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font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
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font-size: 1.05rem;
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line-height: 1.8;
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color: #334155;
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}
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.markdown-body :deep(pre) {
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background-color: #f8fafc;
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border-radius: 16px;
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padding: 24px;
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overflow-x: auto;
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border: 1px solid #e2e8f0;
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box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.05);
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}
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.markdown-body :deep(code) {
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font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
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font-size: 0.95em;
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background-color: #f1f5f9;
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padding: 0.2em 0.4em;
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border-radius: 6px;
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color: #2563eb;
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}
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.markdown-body :deep(pre code) {
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background-color: transparent;
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padding: 0;
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border-radius: 0;
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color: #334155;
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}
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.markdown-body :deep(blockquote) {
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margin: 2em 0;
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padding: 1em 1.5em;
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border-left: 4px solid #3b82f6;
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background-color: #f8fafc;
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border-radius: 0 16px 16px 0;
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color: #475569;
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box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
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}
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/* 加载动画优化 */
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.loading-spinner {
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width: 20px;
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height: 20px;
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border: 3px solid rgba(255, 255, 255, 0.9);
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border-top-color: transparent;
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border-radius: 50%;
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animation: spin 0.8s linear infinite;
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display: inline-block;
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}
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@keyframes spin {
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to {
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transform: rotate(360deg);
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}
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}
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/* 响应式设计优化 */
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@media (max-width: 768px) {
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.messages-container {
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padding: 20px;
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}
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.answer-area {
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padding: 24px;
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}
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.input-area {
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padding: 16px 20px;
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}
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textarea {
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padding: 16px 20px;
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font-size: 16px;
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}
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.send-button {
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padding: 0 24px;
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}
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}
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/* 思考中的样式 */
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.thinking {
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 12px;
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font-size: 1.2rem;
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color: #3b82f6;
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}
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.thinking-spinner {
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width: 16px;
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height: 16px;
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border: 2.5px solid #3b82f6;
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border-top-color: transparent;
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border-radius: 50%;
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animation: spin 0.8s linear infinite;
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display: inline-block;
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}
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</style>
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7
client/src/main.js
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7
client/src/main.js
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@@ -0,0 +1,7 @@
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import {createApp} from 'vue'
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import App from './App.vue'
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import Markdown from 'vue3-markdown-it'
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const app = createApp(App)
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.use(Markdown)
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.mount('#app')
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