deepChartVueApp/pages/deepMate/deepMate.vue

<template>
  <view class="deepMate-page">
    <!-- 顶部导航栏 -->
    <view class="header" :style="{ paddingTop: safeAreaInsets?.top + 'px' }">
      <view class="header-left">
        <image src="https://d31zlh4on95l9h.cloudfront.net/images/f91e09b5987802185e7679055dafd272.svg" class="icon"></image>
      </view>
      <view class="header-center">
        <text class="title">DeepMate</text>
      </view>
      <view class="header-right">
        <image src="https://d31zlh4on95l9h.cloudfront.net/images/d7c4e74201213a25dd9574e908233928.svg" class="icon"></image>
        <image src="https://d31zlh4on95l9h.cloudfront.net/images/099903c4aabf5713488b5cb60815e3f7.svg" class="icon"></image>
        <!-- 新增新会话按钮
        <button class="new-chat-button" @click="newChat">
          <text class="new-chat-text">新会话</text>
        </button> -->
      </view>
    </view>

    <!-- 主要内容区域 -->
    <view class="main-content">
      <view class="banner-panel" v-if="messages.length === 0">
        <image src="https://d31zlh4on95l9h.cloudfront.net/images/42e18bd7fe97d4f4f37aa70439a0990b.svg" class="pray-banner" mode="aspectFill" ></image>
       <view class="contain">
      <!-- 机器人头像和欢迎语 -->
      <view class="robot-container" v-if="messages.length === 0">
        <image src="https://d31zlh4on95l9h.cloudfront.net/images/61fa384381c88ad80be28f41827fe0e5.svg" class="robot-avatar"></image>
        <view class="welcome-message">
          <text class="greeting">Hi, 我是您的股市随身顾问~</text>
          <text class="description">个股诊断、市场情绪解读，都可以找我。</text>
        </view>
      </view>

      <!-- 功能标签栏 -->
      <view class="function-tabs" v-if="messages.length === 0">
        <view ref="tabsTrack" class="tabs-track" :style="{ transform: 'translate3d(-' + marqueeOffset + 'px,0,0)' }">
          <view class="tab-item" v-for="(tab, idx) in marqueeList" :key="idx">{{ tab }}</view>
        </view>
      </view>

      <!-- 特斯拉推荐卡片 -->
      <view class="recommend-card" v-if="messages.length === 0">
        <view class="arrow" v-if="messages.length === 0"></view>
        <view class="card-content">
          <image src="../../static/images/tesla-logo.png" class="logo"></image>
          <view class="card-text">
            <text class="main-question">当前特斯拉该如何布局？</text>
            <text class="stock-code">TSLA</text>
          </view>
          <image src="https://d31zlh4on95l9h.cloudfront.net/images/40d94054644f6e3f1c366751f07f0010.svg" class="arrow-icon" @click="goBlank"></image>
        </view>
        </view> 
      </view>
      
      </view>
      <!-- 可能感兴趣的话题 -->
      <view v-if="messages.length === 0" class="interest-section">
        <text class="section-title">- 您可能感兴趣 -</text>
        <view class="topics-list">
          <view class="topic-item" v-for="topic in hotTopics" :key="topic.id">
            <image
              :src="topic.icon"
              class="tag-icon"
            ></image>
            <text class="topic-text" @click="sendMessageList(topic.text)">{{ topic.text }}</text>
          </view>
        </view>
      </view>

      <!-- 聊天区域 -->
      <view class="chat-container" v-if="messages.length > 0">
        <view class="message-list" id="messageList">
          <view
            v-for="(message, index) in messages"
            :key="index"
            :class="
              message.isUser ? 'message user-message' : 'message bot-message'
            "
          >
            <!-- 会话图标 -->
            <text
              :class="
                message.isUser
                  ? 'fa-solid fa-user message-icon'
                  : 'fa-solid fa-robot message-icon'
              "
            ></text>
            <!-- 会话内容 -->
            <view class="message-content">
              <text class="message-text">{{ message.content }}</text>
              <!-- loading -->
              <view
                class="loading-dots"
                v-if="message.isThinking || message.isTyping"
              >
                <text class="dot"></text>
                <text class="dot"></text>
                <text class="dot"></text>
              </view>
            </view>
          </view>
        </view>
      </view>
    </view>

    <!-- 输入框区域 -->
    <view class="input-area">
      <view class="input-wrapper">
        <input
          type="text"
          placeholder="请输入股票代码/名称，获取AI洞察"
          placeholder-style="color:#fff;opacity:1"
          class="input-field"
          v-model="inputMessage"
          @confirm="sendMessage"
        />
        <image class="send-button" @click="sendMessage" :disabled="isSending">
          <!-- <image
            src="https://d31zlh4on95l9h.cloudfront.net/images/95f1ea2262e9157db13c93c0dc1c5d96.svg"
            class="send-icon"
          ></image> -->
        </image>
      </view>
      <text class="disclaimer" 
        >以上数据由AI生成，不作为最终投资建议，决策需独立！</text
      >
    </view>

    <image class="back-to-top" src="https://d31zlh4on95l9h.cloudfront.net/images/ba357635d2bb480241952bb1cabacd73.svg" @click="scrollToTop"></image>
  </view>
</template>

<script setup>
const { safeAreaInsets } = uni.getSystemInfoSync();

import { ref, computed, onMounted, onUnmounted, watch, nextTick } from "vue";

const inputMessage = ref("");
const isSending = ref(false);
const uuid = ref("");
const messages = ref([]);
const hotTopics = ref([
  {
    id: 1,
    text: '英伟达(NVDA)股票情绪温度？',
    icon: 'https://d31zlh4on95l9h.cloudfront.net/images/7ed58be0f4b81aeb398d9ba2534a624b.svg'
  },
  {
    id: 2,
    text: '博通(AVGO)明天还能涨吗？',
    icon: 'https://d31zlh4on95l9h.cloudfront.net/images/7ed58be0f4b81aeb398d9ba2534a624b.svg'
  },
  {
    id: 3,
    text: '为什么Fluence Energy(FLNC)会暴涨？',
    icon: 'https://d31zlh4on95l9h.cloudfront.net/images/7ed58be0f4b81aeb398d9ba2534a624b.svg'
  },
  {
    id: 4,
    text: '为什么Fluence Energy(FLNC)会暴涨？',
    icon: 'https://d31zlh4on95l9h.cloudfront.net/images/7ed58be0f4b81aeb398d9ba2534a624b.svg'
  }
]);

// 新增：tabs 列表用于渲染与轮换
const tabsList = ref(['个股诊断', '市场情绪温度计', '买卖时机提示', '个股']);
const marqueeList = computed(() => tabsList.value.concat(tabsList.value));

// 用于无缝滚动的引用与状态（兼容小程序/App）
const tabsTrack = ref(null);
const marqueeOffset = ref(0);
let tabsTickId = 0;
const marqueeSpeed = 0.6; // 像素/帧
let currentThreshold = 0; // 当前第一个标签的宽度(含右外边距)
let contentWidthHalf = 0; // 半宽：单份列表的总宽度

// 统一 raf/caf（小程序端可能没有 rAF）
const hasRAF = typeof requestAnimationFrame === 'function';
const startFrame = (fn) => hasRAF ? requestAnimationFrame(fn) : setTimeout(fn, 16);
const stopFrame = (id) => hasRAF ? cancelAnimationFrame(id) : clearTimeout(id);

// 替换测量：测量双列表轨道总宽度的一半，避免频繁 DOM 重排
const measureContentWidth = (cb) => {
  const q = uni.createSelectorQuery();
  q.select('.function-tabs .tabs-track').boundingClientRect();
  q.exec(res => {
    const rect = res && res[0];
    if (rect && rect.width) {
      contentWidthHalf = rect.width / 2;
      if (typeof cb === 'function') cb(contentWidthHalf);
    } else {
      setTimeout(() => measureContentWidth(cb), 16);
    }
  });
};

// 原 measureFirstThreshold 保留，但不再用于轮播
const measureFirstThreshold = (cb) => {
  if (!tabsList.value.length) { currentThreshold = 0; if (cb) cb(0); return; }
  const q = uni.createSelectorQuery();
  q.selectAll('.function-tabs .tab-item').boundingClientRect();
  q.exec(res => {
    if (res && res[0] && res[0].length) {
      const firstRect = res[0][0];
      const marginRightPx = uni.upx2px(20);
      currentThreshold = (firstRect?.width || 0) + marginRightPx;
      if (typeof cb === 'function') cb(currentThreshold);
    } else {
      // 若暂时无法获取，稍后重试一次
      setTimeout(() => measureFirstThreshold(cb), 16);
    }
  });
};

const startTabsMarquee = () => {
  stopFrame(tabsTickId);
  if (tabsList.value.length <= 1) return; // 单个标签不滚动
  marqueeOffset.value = 0;
  nextTick(() => {
    measureContentWidth(() => {
      const step = () => {
        marqueeOffset.value += marqueeSpeed;
        if (contentWidthHalf > 0 && marqueeOffset.value >= contentWidthHalf) {
          marqueeOffset.value = 0; // 重置为 0，实现无缝循环
        }
        tabsTickId = startFrame(step);
      };
      step();
    });
  });
};

// 初始化
onMounted(() => {
  initUUID();
  if (messages.value.length === 0) {
    nextTick(startTabsMarquee);
  }
  if (messages.value.length > 0) {
    nextTick(() => { scrollToBottom(); });
  }
});

// 当消息数量变化，控制滚动是否运行
watch(messages, (val) => {
  if (val.length === 0) {
    nextTick(startTabsMarquee);
  } else {
    stopFrame(tabsTickId);
  }
});

onUnmounted(() => { stopFrame(tabsTickId); });

// 初始化 UUID
const initUUID = () => {
  let storedUUID = uni.getStorageSync('user_uuid');
  if (!storedUUID) {
    storedUUID = generateUUID();
    uni.setStorageSync('user_uuid', storedUUID);
  }
  uuid.value = storedUUID;
};

// 生成简单UUID
const generateUUID = () => {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    var r = Math.random() * 16 | 0,
        v = c == 'x' ? r : (r & 0x3 | 0x8);
    return v.toString(16);
  });
};

// 新会话
const newChat = () => {
  messages.value = [];
  uni.removeStorageSync('user_uuid');
  initUUID();
};

// 跳转到空白页
const goBlank = () => {
  uni.navigateTo({
    url: '/pages/blank/blank'
  });
};

// 发送消息
const sendMessage = () => {
  if (inputMessage.value.trim() === "" || isSending.value) return;
  
  const userMessage = {
    content: inputMessage.value,
    isUser: true,
    isThinking: false,
    isTyping: false
  };
  
  messages.value.push(userMessage);
  inputMessage.value = "";
  
  // 滚动到底部
  nextTick(() => {
    scrollToBottom();
  });
  
  // 模拟机器人回复
  simulateBotResponse(userMessage.content);
};


// 发送消息
const sendMessageList = (listMessage) => {

  console.log(listMessage);
  
  
  const userMessage = {
    content: listMessage,
    isUser: true,
    isThinking: false,
    isTyping: false
  };
  
  messages.value.push(userMessage);
  inputMessage.value = "";
  
  // 滚动到底部
  nextTick(() => {
    scrollToBottom();
  });
  
  // 模拟机器人回复
  simulateBotResponse(userMessage.content);
};

// 模拟机器人回复
const simulateBotResponse = (userMessage) => {
  isSending.value = true;
  
  // 添加机器人加载消息
  const botMsg = {
    content: "",
    isUser: false,
    isTyping: true,
    isThinking: false
  };
  
  messages.value.push(botMsg);
  
  // 滚动到底部
  nextTick(() => {
    scrollToBottom();
  });
  
  // 模拟流式响应
  let responseText = `我已经收到您的消息: "${userMessage}"。作为您的股市顾问，我可以为您提供专业的投资建议。请问您想了解哪方面的信息？`;
  let index = 0;
  
  const typeWriter = () => {
    if (index < responseText.length) {
      botMsg.content += responseText.charAt(index);
      index++;
      
      // 滚动到底部
      scrollToBottom();
      
      setTimeout(typeWriter, 30);
    } else {
      botMsg.isTyping = false;
      isSending.value = false;
    }
  };
  
  setTimeout(typeWriter, 500);
};

// 滚动到底部
const scrollToBottom = () => {
  const query = uni.createSelectorQuery();
  query.select('#messageList').boundingClientRect();
  query.selectViewport().scrollOffset();
  
  query.exec((res) => {
    if (res[0] && res[1]) {
      uni.pageScrollTo({
        scrollTop: res[0].height,
        duration: 100
      });
    }
  });
};
const scrollToTop = () => {
  uni.pageScrollTo({ scrollTop: 0, duration: 200 });
};
</script>

<style scoped>
.deepMate-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: #ffffff;
  padding: 20rpx;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20rpx 30rpx;
  background-color: #ffffff;
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
}

.header-left .icon,
.header-right .icon {
  width: 40rpx;
  height: 40rpx;
  margin-right: 20rpx;
}

.header-center .title {

  
  font-size: 36rpx;
  font-weight: bold;
  color: #333333;
}

.new-chat-button {
  background-color: #ff6600;
  border: none;
  border-radius: 8rpx;
  padding: 10rpx 20rpx;
}

.new-chat-text {
  color: white;
  font-size: 24rpx;
}

.main-content {
  flex: 1;
  padding: 20rpx;
  overflow-y: auto;
  margin-top: 20rpx;
  margin-bottom: 120rpx;
}

.robot-container {
  display: flex;
  align-items: center;
  margin-bottom: 30rpx;
}

.robot-avatar {
  width: 130rpx;
  height: 130rpx;
  border-radius: 50%;
  margin-right: 10rpx;
}

.welcome-message {
  flex: 1;
}

.greeting {
  font-size: 32rpx;
  margin-left: 50rpx;
  top: 40rpx;
  font-weight: bold;
  color: #333333;
  line-height: 48rpx;
}

.description {
  display: block;
  font-size: 24rpx;
  color: #666666;
  line-height: 36rpx;
  margin-top: 10rpx;
  margin-left: 45rpx;
}

.function-tabs {
  display: block;
  overflow: hidden;
  margin-bottom: 30rpx;
}

.tabs-track {
  display: inline-flex;
  white-space: nowrap;
  will-change: transform;
}

.tab-item {
  padding: 5rpx 20rpx;
  border-radius: 20rpx;
  font-size: 20rpx;
  font-weight: 700;
  color: #666666;
  background-color: #fffefe;
  margin-right: 20rpx;
  transition: all 0.3s;
}

.tab-item.active {
  color: #ff6600;
  background-color: #fff;
  border: 1rpx solid #ff6600;
}

.recommend-card {
  background: url('https://d31zlh4on95l9h.cloudfront.net/images/4da1d629a55c307c3605ca15bf15189a.svg');
  background-repeat: no-repeat;
  /* border-radius: 20rpx; */
  padding: 40rpx;
  margin-bottom: 30rpx;
  /* box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.05); */
}

.card-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  width: 80rpx;
  height: 80rpx;
  background-color: #ff0000;
  border-radius: 10rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20rpx;
}

.card-text {
  flex: 1;
  margin-left: 20rpx;
}

.main-question {
  font-size: 32rpx;
  color: #333333;
  line-height: 48rpx;
}

.stock-code {
  display: block;
  font-size: 24rpx;
  color: #ff3b30;
  background-color: #ffffff;
  padding: 2rpx 15rpx;
  border-radius: 12rpx;
  margin-top: 8rpx;
  width: fit-content;
  border: 1rpx solid #ff3b30;
}

.arrow-icon {
background: url('https://d31zlh4on95l9h.cloudfront.net/images/40d94054644f6e3f1c366751f07f0010.svg');
background-repeat: no-repeat;
left: 0.5rem;
top: 1.8rem;
background-size: 100% 100%;
width: 60rpx;
height: 60rpx;

}

.interest-section {
  margin-bottom: 30rpx;
}

.section-title {
  display: block;
  text-align: center;
  font-size: 26rpx;
  color: #666666;
  margin-bottom: 20rpx;
}

.topics-list {
  display: flex;
  flex-direction: column;
  gap: 15rpx;
}

.topic-item {
  display: flex;
  align-items: center;
  padding: 15rpx 20rpx;
  background-color: #f0f0f0;
  border-radius: 15rpx;
  width: fit-content;
}

.tag-icon {
  width: 24rpx;
  height: 24rpx;
  margin-right: 10rpx;
}

.topic-text {
  font-size: 28rpx;
  color: #333333;
  flex: 1;
}

/* 聊天区域样式 */
.chat-container {
  margin-top: 30rpx;
  border-radius: 10rpx;
  height: fit-content;
  /* overflow-y: auto; */
}

.message-list {
  /* padding: 20rpx; */
}

.message {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30rpx;
}

.user-message {
  flex-direction: row-reverse;
}

.message-icon {
  font-size: 24rpx;
  margin: 0 10rpx;
  padding: 10rpx;
  border-radius: 50%;
  background-color: #ddd;
  width: 40rpx;
  height: 40rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-message .message-icon {
  background-color: #007aff;
  color: white;
}

.bot-message .message-icon {
  background-color: #34c759;
  color: white;
}

.message-content {
  max-width: 70%;
  position: relative;
}

.user-message .message-content {
  background-color: #007aff;
  border-radius: 10rpx;
  padding: 15rpx;
}

.bot-message .message-content {
  background-color: #f0f0f0;
  border-radius: 10rpx;
  padding: 15rpx;
}

.message-text {
  font-size: 28rpx;
  line-height: 40rpx;
}

.user-message .message-text {
  color: white;
}

.bot-message .message-text {
  color: #333;
}

.loading-dots {
  display: flex;
  align-items: center;
  padding-top: 10rpx;
}

.dot {
  width: 10rpx;
  height: 10rpx;
  background-color: #666;
  border-radius: 50%;
  margin: 0 4rpx;
  animation: loading 1.4s infinite ease-in-out both;
}

.user-message .dot {
  background-color: white;
}

.dot:nth-child(1) {
  animation-delay: -0.32s;
}

.dot:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes loading {
  0%,
  80%,
  100% {
    transform: scale(0);
  }
  40% {
    transform: scale(1);
  }
}

.input-area {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0 40rpx 80rpx 40rpx;
  background-color: #ffffff;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  padding: 15rpx 20rpx;
  background-color: rgb(220, 31, 29);
  border-radius: 100rpx;
    display: flex;
  align-items: center;
  justify-content: center;

  height: 50rpx;
}

.mic-icon {
  width: 36rpx;
  height: 36rpx;
  margin-right: 20rpx;
}

.input-field {
  flex: 1;
  font-size: 28rpx;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 60rpx;
  background: none;
  border: none;
  outline: none;
}

.input-field::placeholder {
  color: #ffffff !important;
  opacity: 1;
}

.send-button {
  background: url('https://d31zlh4on95l9h.cloudfront.net/images/95f1ea2262e9157db13c93c0dc1c5d96.svg');
  background-repeat: no-repeat;
  background-size: 100% 100%;
  height: 50rpx;
  width: 50rpx;
  padding: 0;
  border: 1rpx solid transparent;
  margin-left: 20rpx;
}

.send-icon {
  width: 36rpx;
  height: 36rpx;
}

.disclaimer {
  font-size: 15rpx;
  color: #4d4c4c;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 15rpx;
}
.banner-panel {
  position: relative;
  height: 480rpx; /* 拉长容器，灰色背景跟随变高 */
  overflow: hidden; /* 让圆角和内部层剪裁一致 */
  border-radius: 15rpx;
}

.pray-banner {
  position: absolute;
  /* background-size: 100% 100%; */
  inset: 0; /* 顶部、底部、左、右都贴合容器 */
  width: 100%;
  height: 88%;
  border-radius: 15rpx;
  z-index: 1; /* 在灰底之上、内容之下 */
}
.contain {
  margin: 0 20rpx;
  gap: 5rpx;
}
.banner-panel .robot-container,
.banner-panel .function-tabs,
.banner-panel .recommend-card {
  position: relative;
  z-index: 2;
}
.back-to-top {
  position: fixed;
  right: 30rpx;
  bottom: 35%;
  width: 100rpx;
  height: 100rpx;
  z-index: 1000;
}
.back-to-top:active {
  transform: scale(0.96);
}
</style>