deepChartVueApp/pages/marketSituation/globalIndex.vue

<!-- @format -->

<template>
  <view class="main">
    <!-- 固定头部 -->
    <view class="header_fixed" :style="{ top: iSMT + 'px' }">
      <view class="header_content">
        <view class="header_back" @click="goBack">
          <image src="/static/marketSituation-image/back.png" mode=""></image>
        </view>
        <view class="header_input_wrapper">
          <image class="search_icon" src="/static/marketSituation-image/search.png" mode="" @click="onSearchClick"></image>
          <input class="header_input" type="text" placeholder="搜索" placeholder-style="color: #A6A6A6; font-size: 22rpx;" v-model="searchValue" @input="onSearchInput" @confirm="onSearchConfirm" />
        </view>
        <view class="header_icons">
          <view class="header_icon" @click="selected">
            <image src="/static/marketSituation-image/mySeclected.png" mode=""></image>
          </view>
          <view class="header_icon" @click="history">
            <image src="/static/marketSituation-image/history.png" mode=""></image>
          </view>
        </view>
      </view>
      <view class="warn">
        <image src="/static/marketSituation-image/warn.png" mode="aspectFit"></image>
        <view class="warn_text_container">
          <text :class="warnTextClass">{{ $t("marketSituation.warn") }}</text>
        </view>
      </view>
    </view>

    <!-- 内容区域 -->
    <scroll-view class="content" :style="{ top: contentTopPosition + 'px' }" scroll-y="true" v-if="isDataLoaded">
      <!-- 亚太-中华 -->
      <view class="market-section" v-for="(item, parentIndex) in marketSituationStore.gloablCardData" :key="item">
        <view class="market-header">
          <text class="market-title">{{ item.ac }}</text>
          <view class="market-more" @click="viewMore(item.ac)">
            <text class="more-text">查看更多</text>
            <text class="more-arrow">></text>
          </view>
        </view>
        <view class="cards-grid-three">
          <view v-for="(iitem, index) in item.list" :key="iitem" class="card-item">
            <IndexCard
              :market="iitem.market"
              :stockName="iitem.name"
              :currentPrice="iitem.currentPrice"
              :changeAmount="iitem.changeAmount"
              :changePercent="iitem.changePercent"
              :isRising="iitem.isRising"
              @click="viewIndexDetail(iitem, parentIndex, index)"
            />
          </view>
        </view>
      </view>

      <!-- 底部安全区域 -->
      <view class="bottom-safe-area"></view>
    </scroll-view>
  </view>

  <!-- 底部导航栏 -->
  <footerBar class="static-footer" :type="'marketSituation'"></footerBar>
</template>

<script setup>
import { ref, onMounted, onUnmounted, computed, nextTick, watch } from "vue";
import { onShow, onHide } from "@dcloudio/uni-app";
import footerBar from "../../components/footerBar.vue";
import IndexCard from "../../components/IndexCard.vue";
import { getRegionalGroupAPI } from "../../api/marketSituation/marketSituation.js";
import { useMarketSituationStore } from "../../stores/modules/marketSituation.js";
const marketSituationStore = useMarketSituationStore();
// 响应式数据
const iSMT = ref(0); // 状态栏高度
const contentHeight = ref(0);
const headerHeight = ref(0); // 头部高度
const searchValue = ref(""); // 搜索值
const isWarnTextOverflow = ref(false); // warn文字是否溢出

// 数据状态加载
const isDataLoaded = ref(false);

// warn文字的class计算属性
const warnTextClass = computed(() => {
  return isWarnTextOverflow.value ? "warn_text scroll-active" : "warn_text";
});

// 检测warn文字是否溢出
const checkWarnTextOverflow = () => {
  nextTick(() => {
    setTimeout(() => {
      const query = uni.createSelectorQuery();

      // 同时查询容器和文字元素
      query.select(".warn_text_container").boundingClientRect();
      query.select(".warn_text").boundingClientRect();
      query.exec((res) => {
        const containerRect = res[0];
        const textRect = res[1];

        if (!containerRect || !textRect) {
          return;
        }

        // 判断文字是否超出容器（留一些余量）
        const isOverflow = textRect.width > containerRect.width - 10;

        isWarnTextOverflow.value = isOverflow;
      });
    }, 500);
  });
};
const globalIndexArray = ref([]);

// 计算属性：内容区域顶部位置
const contentTopPosition = computed(() => {
  const statusBarHeight = iSMT.value || 0;
  const currentHeaderHeight = headerHeight.value > 0 ? headerHeight.value : 100;
  return statusBarHeight + currentHeaderHeight;
});

// 方法：返回上一页
const goBack = () => {
  uni.navigateBack();
};

// 方法：搜索输入
const onSearchInput = (e) => {
  searchValue.value = e.detail.value;
};

// 方法：清除搜索
const clearSearch = () => {
  searchValue.value = "";
};

// 方法：查看更多
const viewMore = (market) => {
  console.log("查看更多:", market);
  uni.navigateTo({
    url: `/pages/marketSituation/marketDetail?market=${market}`,
  });
};

// 方法：查看指数详情
const viewIndexDetail = (item, parentIndex, index) => {
  console.log("查看指数详情:", item.stockName);
  // uni.showToast({
  //     title: `查看 ${item.stockName} 详情`,
  //     icon: 'none',
  //     duration: 2000
  // })
  // 这里可以跳转到具体的指数详情页面
  uni.navigateTo({
    url: `/pages/marketSituation/marketCondition?stockInformation=${encodeURIComponent(JSON.stringify(item))}&parentIndex=${parentIndex}&index=${index}&from=globalIndex`,
  });
};

const getRegionalGroup = async () => {
  try {
    const result = await getRegionalGroupAPI();
    globalIndexArray.value = result.data;
    marketSituationStore.gloablCardData = result.data;
  } catch (e) {
    console.log("获取区域指数失败", e);
  }
};

// TCP相关响应式变量
import tcpConnection, { TCPConnection, TCP_CONFIG } from "@/api/tcpConnection.js";
const tcpConnected = ref(false);
const connectionListener = ref(null);
const messageListener = ref(null);
// 初始化TCP监听器
const initTcpListeners = () => {
  // 创建连接状态监听器并保存引用
  connectionListener.value = (status, result) => {
    tcpConnected.value = status === "connected";
    console.log("TCP连接状态变化:", status, tcpConnected.value);

    // 显示连接状态提示

    // 如果连接，发送获取批量数据
    if (status === "connected") {
      sendTcpMessage("batch_real_time");
    }
  };

  // 创建消息监听器并保存引用
  messageListener.value = (type, message, parsedArray) => {
    const messageObj = {
      type: type,
      content: message,
      parsedArray: parsedArray,
      timestamp: new Date().toLocaleTimeString(),
      direction: "received",
    };

    // 解析股票数据
    parseStockData(message);
  };

  // 注册监听器
  tcpConnection.onConnectionChange(connectionListener.value);
  tcpConnection.onMessage(messageListener.value);
};

// 连接TCP服务器
const connectTcp = () => {
  console.log("开始连接TCP服务器...");
  tcpConnection.connect();
};

// 断开TCP连接
const disconnectTcp = () => {
  console.log("断开TCP连接...");
  tcpConnection.disconnect();
  tcpConnected.value = false;
};

// 发送TCP消息
const sendTcpMessage = (command) => {
  let messageData;
  let messageDataArray = [];
  if (command == "batch_real_time") {
    for (let i = 0; i < globalIndexArray.value.length; ++i) {
      for (let j = 0; j < globalIndexArray.value[i].list.length; ++j) {
        messageDataArray.push(globalIndexArray.value[i].list[j].code);
      }
    }
  }
  console.log(messageDataArray);

  switch (command) {
    // 实时行情推送
    case "real_time":
      messageData = {
        command: "real_time",
        stock_code: "SH.000001",
      };
      break;
    // 初始化获取行情历史数据
    case "init_real_time":
      messageData = {
        command: "init_real_time",
        stock_code: "SH.000001",
      };
      break;
    case "stop_real_time":
      messageData = {
        command: "stop_real_time",
      };
      break;
    // 股票列表
    case "stock_list":
      messageData = {
        command: "stock_list",
      };
      break;
    case "batch_real_time":
      messageData = {
        command: "batch_real_time",
        stock_codes: messageDataArray,
      };
      break;
    case "help":
      messageData = {
        command: "help",
      };
      break;
  }
  if (!messageData) {
    return;
  } else {
    try {
      // 发送消息
      const success = tcpConnection.send(messageData);
      if (success) {
        console.log("home发送TCP消息:", messageData);
      }
    } catch (error) {
      console.error("发送TCP消息时出错:", error);
    }
  }
};

// 获取TCP连接状态
const getTcpStatus = () => {
  const status = tcpConnection.getConnectionStatus();
  uni.showModal({
    title: "TCP连接状态",
    content: `当前状态: ${status ? "已连接" : "未连接"}`,
    showCancel: false,
  });
};

let isMorePacket = {
  init_batch_real_time: false,
  batch_real_time: false,
};
let receivedMessage;

// 解析TCP股票数据
const parseStockData = (message) => {
  try {
    console.log("进入parseStockData, message类型:", typeof message);

    let parsedMessage;
    // 如果isMorePacket是true，说明正在接受分包数据，无条件接收
    // 如果message是字符串且以{开头，说明是JSON字符串，需要解析
    // 如果不属于以上两种情况，说明是普通字符串，不预解析
    if (message.includes("欢迎连接到股票数据服务器")) {
      console.log("服务器命令列表，不予处理");
      return;
    }
    if ((typeof message === "string" && message.includes("batch_data_start")) || isMorePacket.init_batch_real_time) {
      if (typeof message === "string" && message.includes("batch_data_start")) {
        console.log("开始接受分包数据");
        receivedMessage = "";
      } else {
        console.log("接收分包数据过程中");
      }
      isMorePacket.init_batch_real_time = true;
      receivedMessage += message;
      // 如果当前消息包含}，说明收到JSON字符串结尾，结束接收，开始解析
      if (receivedMessage.includes("batch_data_complete")) {
        console.log("接受分包数据结束");
        isMorePacket.init_batch_real_time = false;

        console.log("展示数据", receivedMessage);
        let startIndex = 0;
        let startCount = 0;
        let endIndex = receivedMessage.indexOf("batch_data_complete");
        for (let i = 0; i < receivedMessage.length; ++i) {
          if (receivedMessage[i] == "{") {
            startCount++;
            if (startCount == 2) {
              startIndex = i;
              break;
            }
          }
        }
        for (let i = receivedMessage.indexOf("batch_data_complete"); i >= 0; --i) {
          if (receivedMessage[i] == "}" || startIndex == endIndex) {
            endIndex = i;
            break;
          }
        }
        if (startIndex >= endIndex) {
          throw new Error("JSON字符串格式错误");
        }
        console.log("message", startIndex, endIndex, receivedMessage[endIndex], receivedMessage[startIndex]);
        parsedMessage = JSON.parse(receivedMessage.substring(startIndex, endIndex + 1));

        console.log("JSON解析成功，解析后类型:", typeof parsedMessage, parsedMessage);

        const stockDataArray = parsedMessage.data;
        for (let i = 0; i < globalIndexArray.value.length; ++i) {
          for (let j = 0; j < globalIndexArray.value[i].list.length; ++j) {
            const stockCode = globalIndexArray.value[i].list[j].code;
            marketSituationStore.gloablCardData[i].list[j].currentPrice = stockDataArray[stockCode][0].current_price.toFixed(2);
            marketSituationStore.gloablCardData[i].list[j].changeAmount = (stockDataArray[stockCode][0].current_price - stockDataArray[stockCode][0].pre_close).toFixed(2);
            marketSituationStore.gloablCardData[i].list[j].changePercent = ((100 * (stockDataArray[stockCode][0].current_price - stockDataArray[stockCode][0].pre_close)) / stockDataArray[stockCode][0].pre_close).toFixed(2) + "%";
            marketSituationStore.gloablCardData[i].list[j].isRising = stockDataArray[stockCode][0].current_price - stockDataArray[stockCode][0].pre_close >= 0;
          }
        }
      }
      // 数据状态加载完成
      isDataLoaded.value = true;
    } else if ((typeof message === "string" && message.includes('{"count')) || isMorePacket.batch_real_time) {
      if (typeof message === "string" && message.includes('{"count')) {
        console.log("开始接受分包数据");
        receivedMessage = "";
      } else {
        console.log("接收分包数据过程中");
      }
      isMorePacket.batch_real_time = true;
      receivedMessage += message;
      // 如果当前消息包含}，说明收到JSON字符串结尾，结束接收，开始解析
      if (receivedMessage.includes("batch_realtime_data")) {
        console.log("接受分包数据结束");
        isMorePacket.batch_real_time = false;

        console.log("展示数据", receivedMessage);
        let startIndex = 0;
        let endIndex = receivedMessage.length - 1;
        for (let i = 0; i < receivedMessage.length; ++i) {
          if (receivedMessage[i] == "{") {
            startIndex = i;
            break;
          }
        }
        for (let i = receivedMessage.length - 1; i >= 0; --i) {
          if (receivedMessage[i] == "}" || startIndex == endIndex) {
            endIndex = i;
            break;
          }
        }
        if (startIndex >= endIndex) {
          throw new Error("JSON字符串格式错误");
        }
        parsedMessage = JSON.parse(receivedMessage.substring(startIndex, endIndex + 1));

        console.log("JSON解析成功，解析后类型:", typeof parsedMessage, parsedMessage);
        const stockDataArray = parsedMessage.data;
        for (let i = 0; i < globalIndexArray.value.length; ++i) {
          for (let j = 0; j < globalIndexArray.value[i].list.length; ++j) {
            const stockCode = globalIndexArray.value[i].list[j].code;
            marketSituationStore.gloablCardData[i].list[j].currentPrice = stockDataArray[stockCode][0].current_price.toFixed(2);
            marketSituationStore.gloablCardData[i].list[j].changeAmount = (stockDataArray[stockCode][0].current_price - stockDataArray[stockCode][0].pre_close).toFixed(2);
            marketSituationStore.gloablCardData[i].list[j].changePercent = ((100 * (stockDataArray[stockCode][0].current_price - stockDataArray[stockCode][0].pre_close)) / stockDataArray[stockCode][0].pre_close).toFixed(2) + "%";
            marketSituationStore.gloablCardData[i].list[j].isRising = stockDataArray[stockCode][0].current_price - stockDataArray[stockCode][0].pre_close >= 0;
          }
        }
      }
    } else {
      // 没有通过JSON解析判断，说明不是需要的数据
      console.log("不是需要的数据，不做处理");
    }
  } catch (error) {
    console.error("解析TCP股票数据失败:", error.message);
    console.error("错误详情:", error);
  }
};

// 移除TCP监听器
const removeTcpListeners = () => {
  if (connectionListener.value) {
    tcpConnection.removeConnectionListener(connectionListener.value);
    connectionListener.value = null;
    console.log("已移除TCP连接状态监听器");
  }

  if (messageListener.value) {
    tcpConnection.removeMessageListener(messageListener.value);
    messageListener.value = null;
    console.log("已移除TCP消息监听器");
  }
};

const startTcp = () => {
  try {
    removeTcpListeners();
    disconnectTcp();
    initTcpListeners();
    connectTcp();
  } catch (error) {
    console.error("建立连接并设置监听出错:", error);
  }
};

onShow(async () => {
  console.log("显示页面");
  await getRegionalGroup();
  initTcpListeners();
  await nextTick();
  // 开始连接
  startTcp();
});

onHide(() => {
  console.log("隐藏页面");
  sendTcpMessage("stop_real_time");
  removeTcpListeners();
  disconnectTcp();
});

onUnmounted(() => {
  sendTcpMessage("stop_real_time");
  removeTcpListeners();
  disconnectTcp();
});

// 生命周期：页面挂载
onMounted(async () => {
  // 获取系统信息
  const systemInfo = uni.getSystemInfoSync();
  iSMT.value = systemInfo.statusBarHeight || 0;

  console.log("全球指数页面加载完成");
  // 动态计算header实际高度
  uni
    .createSelectorQuery()
    .select(".header_fixed")
    .boundingClientRect((rect) => {
      if (rect) {
        headerHeight.value = rect.height;
        console.log("Header实际高度:", headerHeight.value, "px");
      }
    })
    .exec();
  // 检测warn文字是否溢出
  checkWarnTextOverflow();
});

// 监听headerHeight变化，重新计算contentHeight
watch(headerHeight, (newHeight) => {
  if (newHeight > 0) {
    const systemInfo = uni.getSystemInfoSync();
    const windowHeight = systemInfo.windowHeight;
    const statusBarHeight = systemInfo.statusBarHeight || 0;
    const footerHeight = 100;

    contentHeight.value = windowHeight - statusBarHeight - newHeight - footerHeight;
    console.log("重新计算contentHeight:", contentHeight.value);
  }
});
</script>

<style lang="scss" scoped>
.main {
  position: relative;
  height: 100vh;
  overflow: hidden;
  background-color: #f5f5f5;
}

/* 状态栏占位 */
.top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background-color: #ffffff;
}

/* 固定头部样式 */
.header_fixed {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: #ffffff;
  padding: 20rpx 0 0 0;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
}

.header_content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80rpx;
  padding: 0 20rpx;
  margin-bottom: 10rpx;
}

.header_back {
  margin-right: 20rpx;
  width: 25rpx;
  height: 30rpx;
}

.header_back image {
  width: 25rpx;
  height: 30rpx;
}

.header_input_wrapper {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 0 20rpx 0 0;
  height: 70rpx;
  border-radius: 35rpx;
  background-color: #ffffff;
  border: 1rpx solid #e9ecef;
  padding: 0 80rpx 0 30rpx;
  font-size: 28rpx;
  color: #5c5c5c;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
}

.search_icon {
  width: 40rpx;
  height: 40rpx;
  opacity: 0.6;
}

.header_input {
  margin-left: 10rpx;
}

.header_icons {
  display: flex;
  align-items: center;
  gap: 15rpx;
}

.header_icon {
  width: 40rpx;
  height: 40rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header_icon image {
  width: 40rpx;
  height: 40rpx;
}

.warn {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10rpx;
  font-size: 28rpx;
  color: #666666;
  padding: 20rpx;
  max-width: 100%;
  overflow: hidden;
  position: relative;
}

.warn image {
  width: 40rpx;
  height: 40rpx;
  flex-shrink: 0;
  /* 防止图片被压缩 */
  position: relative;
  z-index: 2;
  /* 确保图片在最上层 */
}

.warn_text_container {
  flex: 1;
  overflow: hidden;
  position: relative;
  min-width: 0;
  /* 允许容器收缩 */
}

.warn_text {
  display: block;
  white-space: nowrap;
  will-change: transform;
  /* 优化动画性能 */
}

/* 文字滚动动画 */
@keyframes scrollText {
  0% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(0);
  }

  80% {
    transform: translateX(-85%);
  }

  100% {
    transform: translateX(-85%);
  }
}

/* 当文字超长时启用滚动动画 */
.warn_text.scroll-active {
  animation: scrollText 12s linear infinite;
  animation-delay: 2s;
  /* 延迟2秒开始滚动，让用户先看到开头 */
}

/* 内容区域 */
.content {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 120rpx;
  background-color: #f5f5f5;
  padding: 0;
}

/* 市场分组 */
.market-section {
  background-color: white;
  border-radius: 20rpx;
}

.market-header {
  margin: 20rpx 20rpx 0 20rpx;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10rpx;
  padding-bottom: 10rpx;
  border-bottom: 2rpx solid #f0f0f0;
}

.market-title {
  font-size: 32rpx;
  font-weight: 600;
  color: #333;
}

.market-more {
  display: flex;
  align-items: center;
  gap: 8rpx;
}

.more-text {
  font-size: 24rpx;
  color: #666;
}

.more-arrow {
  font-size: 20rpx;
  color: #666;
  font-weight: bold;
}

/* 三列卡片网格 */
.cards-grid-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.card-item {
  background-color: white;
  border-radius: 16rpx;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-item:active {
  transform: scale(0.98);
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.12);
}

/* 底部安全区域 */
.bottom-safe-area {
  height: 40rpx;
  background-color: transparent;
}

/* 底部导航栏 */
.static-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

/* 响应式设计 */
@media (max-width: 400rpx) {
  .cards-grid-three {
    grid-template-columns: repeat(2, 1fr);
  }
}
</style>