赵忠林
4d3503f47e
- 新增 AI 找房对话弹窗组件，实现房源信息智能问答 - 房源详情页面新增 AI 找房入口按钮，点击弹出聊天窗口 - AI 聊天弹窗支持用户输入提问和快速问题按钮 - 集成豆包 Seed 2.0 Pro 模型调用，实现房源详情智能解答 - 增加聊天消息列表和打字动画，提升交互体验 - 关闭按钮和输入框交互优化，确保流畅使用体验 - 代码结构和样式规范化，保持界面美观一致
456 lines
11 KiB
Vue
456 lines
11 KiB
Vue
<template>
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<view>
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<u-popup v-model="showPopup" mode="bottom" border-radius="24" :safe-area-inset-bottom="true" height="75%">
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<view class="ai-chat-container">
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<!-- 顶部标题栏 -->
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<view class="ai-header">
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<view class="header-left">
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<u-icon name="chat" color="#3f72f4" size="20"></u-icon>
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<text class="header-title">AI找房助手</text>
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</view>
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<view class="header-right" @click="closePopup">
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<u-icon name="close" color="#999999" size="20"></u-icon>
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</view>
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</view>
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<!-- 消息列表 -->
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<scroll-view
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scroll-y
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class="message-list"
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:scroll-into-view="lastMsgId"
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:show-scrollbar="false"
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>
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<!-- 欢迎消息 -->
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<view v-if="messages.length === 0" class="welcome-box">
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<view class="welcome-icon">🏠</view>
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<view class="welcome-title">您好，我是AI找房助手</view>
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<view class="welcome-desc">我可以帮您了解这套房源的详细信息、分析性价比、解答入住疑问等，请问有什么可以帮您？</view>
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<view class="quick-questions">
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<view class="quick-btn" @click="quickAsk('这套房性价比怎么样？')">性价比分析</view>
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<view class="quick-btn" @click="quickAsk('周边的交通方便吗？')">交通情况</view>
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<view class="quick-btn" @click="quickAsk('附近有什么配套设施？')">配套设施</view>
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</view>
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</view>
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<!-- 消息气泡 -->
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<view
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v-for="(msg, index) in messages"
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:key="index"
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:id="'msg-' + index"
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:class="['msg-row', msg.role === 'user' ? 'msg-right' : 'msg-left']"
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>
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<!-- AI头像 -->
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<view v-if="msg.role !== 'user'" class="msg-avatar">
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<text class="avatar-text">AI</text>
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</view>
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<!-- 气泡 -->
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<view :class="['msg-bubble', msg.role === 'user' ? 'bubble-user' : 'bubble-ai']">
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<text class="bubble-text" user-select>{{ msg.content }}</text>
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</view>
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<!-- 用户头像 -->
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<view v-if="msg.role === 'user'" class="msg-avatar user-avatar">
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<text class="avatar-text">我</text>
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</view>
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</view>
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<!-- AI 打字指示器 -->
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<view v-if="loading" class="msg-row msg-left">
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<view class="msg-avatar">
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<text class="avatar-text">AI</text>
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</view>
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<view class="msg-bubble bubble-ai">
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<view class="typing-indicator">
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<view class="dot"></view>
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<view class="dot"></view>
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<view class="dot"></view>
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</view>
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</view>
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</view>
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<view style="height: 20rpx;"></view>
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</scroll-view>
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<!-- 底部输入栏 -->
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<view class="input-bar">
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<view class="input-wrap">
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<input
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class="chat-input"
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v-model="inputText"
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placeholder="问我关于这套房的任何问题..."
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confirm-type="send"
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@confirm="sendMessage"
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:adjust-position="true"
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:cursor-spacing="20"
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/>
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</view>
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<view class="send-btn" @click="sendMessage" :class="{ 'send-btn-active': inputText.trim() && !loading }">
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<text class="send-text">发送</text>
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</view>
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</view>
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</view>
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</u-popup>
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</view>
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</template>
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<script>
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export default {
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name: 'ai-chat-popup',
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props: {
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value: {
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type: Boolean,
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default: false
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},
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houseInfo: {
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type: Object,
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default: () => ({})
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},
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houseId: {
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type: [String, Number],
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default: ''
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}
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},
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data() {
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return {
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inputText: '',
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messages: [],
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loading: false,
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lastMsgId: '',
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apiKey: 'ark-9cf70df3-0b36-4f0f-be3b-5d4f572c48b4-d0735',
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apiUrl: 'https://ark.cn-beijing.volces.com/api/v3/chat/completions',
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model: 'doubao-seed-2-0-pro-260215' // 豆包 Seed 2.0 Pro 模型
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}
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},
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computed: {
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showPopup: {
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get() {
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return this.value
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},
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set(val) {
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this.$emit('input', val)
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}
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},
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systemPrompt() {
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const info = this.houseInfo || {}
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return `你是一名专业的房产找房助手，名叫"AI找房助手"，语气亲切专业。
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当前用户正在查看的房源信息如下：
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- 房源标题：${info.houseTitle || '暂无'}
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- 月租：${info.monthlyRent || 0}元/月
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- 建筑面积：${info.extent || 0}m²
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- 户型：${info.houseType || '暂无'}
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- 楼层：${info.floor || '暂无'}
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- 朝向：${info.toward || '暂无'}
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- 押付方式：${info.leaseMethod || '暂无'}
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- 城市：${info.city || '暂无'}
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- 区/县：${info.region || '暂无'}
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- 详细地址：${info.address || '暂无'}
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- 物业费：${info.propertyFees || '暂无'}元/m²
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${info.salePrice ? '- 卖价：' + info.salePrice + '元/m²' : ''}
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${info.totalPrice ? '- 总价：' + info.totalPrice + '万元' : ''}
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请根据以上信息帮助用户：
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1. 解答关于这套房源的任何问题
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2. 分析房源性价比
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3. 介绍周边配套和交通情况（基于地址信息给出合理建议）
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4. 回答入住、签约相关问题
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5. 如果用户问其他房源，说明你只能帮助分析当前这套房源。
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回答要简洁专业，不超过300字。`
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}
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},
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watch: {
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showPopup(val) {
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if (val) {
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// 弹窗打开时可做初始化
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this.$nextTick(() => {
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this.scrollToBottom()
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})
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}
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}
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},
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methods: {
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closePopup() {
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this.showPopup = false
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},
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quickAsk(text) {
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this.inputText = text
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this.$nextTick(() => {
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this.sendMessage()
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})
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},
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async sendMessage() {
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const text = this.inputText.trim()
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if (!text || this.loading) return
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// 添加用户消息
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this.messages.push({ role: 'user', content: text })
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this.inputText = ''
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this.loading = true
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this.scrollToBottom()
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try {
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await this.callDoubaoAPI(text)
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} catch (e) {
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this.messages.push({
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role: 'assistant',
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content: '抱歉，网络出了点问题，请稍后再试～'
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})
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} finally {
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this.loading = false
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this.scrollToBottom()
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}
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},
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callDoubaoAPI(userMessage) {
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return new Promise((resolve, reject) => {
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const messages = [
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{ role: 'system', content: this.systemPrompt },
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...this.messages.map(m => ({ role: m.role, content: m.content }))
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]
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uni.request({
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url: this.apiUrl,
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method: 'POST',
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header: {
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'Authorization': `Bearer ${this.apiKey}`,
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'Content-Type': 'application/json'
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},
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data: {
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model: this.model,
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messages: messages,
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temperature: 0.7,
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max_tokens: 500
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},
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success: (res) => {
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if (res.statusCode === 200 && res.data.choices && res.data.choices.length > 0) {
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const aiContent = res.data.choices[0].message.content
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this.messages.push({ role: 'assistant', content: aiContent })
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resolve(aiContent)
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} else {
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const errMsg = res.data?.error?.message || '请求失败'
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this.messages.push({ role: 'assistant', content: `抱歉，${errMsg}` })
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reject(new Error(errMsg))
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}
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},
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fail: (err) => {
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this.messages.push({
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role: 'assistant',
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content: '网络连接失败，请检查网络后重试～'
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})
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reject(err)
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}
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})
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})
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},
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scrollToBottom() {
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this.$nextTick(() => {
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const len = this.messages.length
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if (len > 0) {
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this.lastMsgId = 'msg-' + (len - 1)
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}
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})
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}
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}
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}
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</script>
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<style scoped lang="scss">
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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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background-color: #f5f6fa;
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}
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/* 顶部标题栏 */
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.ai-header {
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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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padding: 24rpx 30rpx;
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background-color: #ffffff;
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border-bottom: 1rpx solid #eeeeee;
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border-radius: 24rpx 24rpx 0 0;
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}
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.header-left {
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display: flex;
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align-items: center;
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gap: 12rpx;
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}
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.header-title {
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font-size: 32rpx;
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font-weight: 500;
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color: #333333;
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}
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.header-right {
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padding: 10rpx;
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}
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/* 消息列表 */
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.message-list {
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flex: 1;
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padding: 20rpx 24rpx;
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overflow-y: auto;
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}
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/* 欢迎界面 */
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.welcome-box {
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display: flex;
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flex-direction: column;
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align-items: center;
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padding: 40rpx 30rpx;
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}
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.welcome-icon {
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font-size: 80rpx;
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margin-bottom: 20rpx;
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}
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.welcome-title {
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font-size: 34rpx;
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font-weight: 500;
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color: #333333;
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margin-bottom: 16rpx;
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}
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.welcome-desc {
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font-size: 26rpx;
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color: #888888;
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text-align: center;
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line-height: 1.6;
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margin-bottom: 30rpx;
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}
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.quick-questions {
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display: flex;
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flex-wrap: wrap;
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justify-content: center;
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gap: 16rpx;
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}
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.quick-btn {
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background-color: #eef4ff;
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color: #3f72f4;
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font-size: 24rpx;
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padding: 12rpx 24rpx;
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border-radius: 24rpx;
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}
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/* 消息行 */
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.msg-row {
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display: flex;
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align-items: flex-start;
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margin-bottom: 24rpx;
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}
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.msg-right {
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justify-content: flex-end;
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}
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.msg-left {
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justify-content: flex-start;
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}
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/* 头像 */
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.msg-avatar {
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width: 64rpx;
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height: 64rpx;
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border-radius: 50%;
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background: linear-gradient(135deg, #3f72f4, #6a9eff);
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display: flex;
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align-items: center;
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justify-content: center;
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flex-shrink: 0;
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}
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.user-avatar {
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background: linear-gradient(135deg, #ff8a4c, #ffb347);
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}
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.avatar-text {
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color: #ffffff;
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font-size: 22rpx;
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font-weight: 500;
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}
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/* 气泡 */
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.msg-bubble {
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max-width: 520rpx;
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padding: 20rpx 24rpx;
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border-radius: 20rpx;
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margin: 0 16rpx;
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word-break: break-all;
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}
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.bubble-user {
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background-color: #3f72f4;
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border-top-right-radius: 6rpx;
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}
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.bubble-ai {
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background-color: #ffffff;
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border-top-left-radius: 6rpx;
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box-shadow: 0 2rpx 8rpx rgba(0,0,0,0.04);
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}
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.bubble-text {
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font-size: 28rpx;
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line-height: 1.6;
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color: #333333;
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}
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.bubble-user .bubble-text {
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color: #ffffff;
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}
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/* 打字指示器 */
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.typing-indicator {
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display: flex;
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align-items: center;
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gap: 8rpx;
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padding: 8rpx 0;
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}
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.dot {
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width: 12rpx;
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height: 12rpx;
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border-radius: 50%;
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background-color: #cccccc;
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animation: typing 1.2s infinite ease-in-out;
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}
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.dot:nth-child(2) {
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animation-delay: 0.2s;
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}
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.dot:nth-child(3) {
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animation-delay: 0.4s;
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}
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@keyframes typing {
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0%, 60%, 100% {
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transform: translateY(0);
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opacity: 0.4;
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}
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30% {
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transform: translateY(-10rpx);
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opacity: 1;
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}
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}
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/* 底部输入栏 */
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.input-bar {
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display: flex;
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align-items: center;
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padding: 16rpx 20rpx;
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padding-bottom: calc(16rpx + env(safe-area-inset-bottom));
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background-color: #ffffff;
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border-top: 1rpx solid #eeeeee;
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}
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.input-wrap {
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flex: 1;
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background-color: #f5f6fa;
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border-radius: 36rpx;
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padding: 12rpx 24rpx;
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margin-right: 16rpx;
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}
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.chat-input {
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font-size: 28rpx;
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width: 100%;
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}
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.send-btn {
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padding: 14rpx 28rpx;
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border-radius: 36rpx;
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background-color: #cccccc;
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transition: background-color 0.2s;
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}
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.send-btn-active {
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background-color: #3f72f4;
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}
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.send-text {
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font-size: 26rpx;
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color: #ffffff;
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font-weight: 500;
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}
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</style>
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