安装地图依赖 npm i @amap/amap-jsapi-loader

<template>
  <div class="map-project-container">
    <!-- 左侧地图区域 -->
    <div class="map-area">
      <div ref="mapContainer" class="map-container"></div>
      <!-- 搜索框 -->
      <div class="search-box">
        <input v-model="searchKeyword" type="text" placeholder="搜索项目名称" @keyup.enter="handleSearch" />
        <button @click="handleSearch" class="search-btn">
          <i class="el-icon-search"></i>
        </button>
      </div>
    </div>

    <!-- 右侧项目列表区域 -->
    <div class="project-list-area">
      <div class="list-header">
        <h3>项目列表</h3>
        <span class="count">共找到 {{ filteredProjects.length }} 个项目</span>
      </div>

      <div class="project-cards">
        <div v-for="project in filteredProjects" :key="project.id" class="project-card"
          :class="{ 'selected': selectedProjectIds.includes(project.id) }" @click="handleProjectClick(project)">
          <h4>{{ project.name }}</h4>
        </div>

        <div v-if="filteredProjects.length === 0" class="no-data">
          暂无项目数据
        </div>
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, onMounted, onBeforeUnmount, computed } from 'vue';
import AMapLoader from '@amap/amap-jsapi-loader';

// 地图相关
const mapContainer = ref(null);
const map = ref(null);
const AMap = ref(null);
const markers = ref([]);
const mapReady = ref(false);

// 搜索相关
const searchKeyword = ref('');

// 项目数据相关
const allProjects = ref([]);
const selectedProjectIds = ref([]);
const currentMapBounds = ref(null);

// 计算属性：根据当前地图范围过滤项目
const filteredProjects = computed(() => {
  if (!currentMapBounds.value) {
    return allProjects.value;
  }

  return allProjects.value.filter(project => {
    const { longitude, latitude } = project;
    const { minLng, minLat, maxLng, maxLat } = currentMapBounds.value;

    return longitude >= minLng &&
      longitude <= maxLng &&
      latitude >= minLat &&
      latitude <= maxLat;
  });
});

// 初始化模拟数据
const initMockData = () => {
  // 生成一些模拟项目数据，分布在北京不同区域
  const mockProjects = [
    { id: 1, name: '北京环球金融中心', longitude: 116.466, latitude: 39.910 },
    { id: 2, name: '北京国贸中心', longitude: 116.464, latitude: 39.909 },
    { id: 3, name: '北京财富中心', longitude: 116.468, latitude: 39.911 },
    { id: 4, name: '北京嘉里中心', longitude: 116.465, latitude: 39.912 },
    { id: 5, name: '北京华贸中心', longitude: 116.470, latitude: 39.915 },
    { id: 6, name: '北京金地中心', longitude: 116.462, latitude: 39.908 },
    { id: 7, name: '北京远洋国际中心', longitude: 116.472, latitude: 39.913 },
    { id: 8, name: '北京建外SOHO', longitude: 116.467, latitude: 39.907 },
    { id: 9, name: '北京三里屯SOHO', longitude: 116.455, latitude: 39.940 },
    { id: 10, name: '北京朝阳公园SOHO', longitude: 116.480, latitude: 39.930 },
    { id: 11, name: '北京中关村软件园', longitude: 116.298, latitude: 40.049 },
    { id: 12, name: '北京上地信息产业基地', longitude: 116.308, latitude: 40.058 },
    { id: 13, name: '北京金融街', longitude: 116.366, latitude: 39.913 },
    { id: 14, name: '北京丽泽商务区', longitude: 116.326, latitude: 39.858 },
    { id: 15, name: '北京望京SOHO', longitude: 116.476, latitude: 39.992 },
  ];

  allProjects.value = mockProjects;
};

// 初始化地图
const initMap = async () => {
  try {
    // 加载高德地图
    AMap.value = await AMapLoader.load({
      key: 'e412c60656c1c8f9e4a5bbf261084dc5', // 高德地图API密钥
      version: '2.0',
      plugins: ['AMap.ToolBar', 'AMap.Scale', 'AMap.Marker'],
    });

    // 创建地图实例，以北京为中心
    map.value = new AMap.value.Map(mapContainer.value, {
      zoom: 12,
      center: [116.407, 39.904], // 北京中心坐标
      viewMode: '2D',
      features: ['bg', 'road', 'building', 'point'],
      resizeEnable: true
    });

    // 添加工具条和比例尺
    map.value.addControl(new AMap.value.ToolBar());
    map.value.addControl(new AMap.value.Scale());

    // 监听地图移动和缩放事件
    map.value.on('moveend', handleMapMove);
    map.value.on('zoomend', handleMapMove);

    mapReady.value = true;

    // 初始化地图边界
    updateMapBounds();

    // 创建地图标记
    createMarkers();

  } catch (error) {
    console.error('地图初始化失败:', error);
  }
};

// 更新地图边界
const updateMapBounds = () => {
  if (!map.value) return;

  const bounds = map.value.getBounds();
  const southWest = bounds.getSouthWest();
  const northEast = bounds.getNorthEast();

  currentMapBounds.value = {
    minLng: southWest.lng,
    minLat: southWest.lat,
    maxLng: northEast.lng,
    maxLat: northEast.lat
  };
};

// 处理地图移动事件
const handleMapMove = () => {
  updateMapBounds();
  createMarkers();
};

// 创建地图标记
const createMarkers = () => {
  if (!mapReady.value || !map.value) return;

  // 清除现有标记
  clearMarkers();

  // 为当前视图内的项目创建标记
  filteredProjects.value.forEach(project => {
    const marker = new AMap.value.Marker({
      position: [project.longitude, project.latitude],
      title: project.name,
      map: map.value,
      icon: new AMap.value.Icon({
        size: new AMap.value.Size(30, 30),
        image: selectedProjectIds.value.includes(project.id)
          ? '//a.amap.com/jsapi_demos/static/demo-center/icons/poi-marker-red.png'
          : '//a.amap.com/jsapi_demos/static/demo-center/icons/poi-marker-default.png',
        imageSize: new AMap.value.Size(30, 30)
      })
    });

    // 标记点击事件
    marker.on('click', () => {
      handleProjectClick(project);
    });

    markers.value.push(marker);
  });
};

// 清除所有标记
const clearMarkers = () => {
  if (map.value && markers.value.length > 0) {
    markers.value.forEach(marker => map.value.remove(marker));
    markers.value = [];
  }
};

// 处理项目点击事件
const handleProjectClick = (project) => {
  // 切换选中状态
  const index = selectedProjectIds.value.indexOf(project.id);
  if (index > -1) {
    selectedProjectIds.value.splice(index, 1);
  } else {
    selectedProjectIds.value.push(project.id);
  }

  // 更新地图标记
  createMarkers();
};

// 处理搜索事件
const handleSearch = () => {
  if (!searchKeyword.value.trim()) return;

  // 查找匹配的项目
  const matchedProject = allProjects.value.find(project =>
    project.name.includes(searchKeyword.value.trim())
  );

  if (matchedProject) {
    // 定位到项目位置
    map.value.setCenter([matchedProject.longitude, matchedProject.latitude]);
    map.value.setZoom(15);

    // 选中该项目
    selectedProjectIds.value = [matchedProject.id];

    // 更新地图标记
    setTimeout(() => {
      createMarkers();
    }, 300);
  } else {
    alert('未找到匹配的项目');
  }
};

// 组件挂载时初始化
onMounted(() => {
  initMockData();
  initMap();
});

// 组件卸载前清理
onBeforeUnmount(() => {
  if (map.value) {
    map.value.destroy();
    map.value = null;
    mapReady.value = false;
  }
});
</script>

<style scoped>
.map-project-container {
  display: flex;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

/* 左侧地图区域 */
.map-area {
  flex: 2;
  position: relative;
  height: 100%;
  background-color: #f5f5f5;
}

.map-container {
  width: 100%;
  height: 100%;
}

.search-box {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 40px;
  background-color: white;
  border-radius: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 100;
}

.search-box input {
  flex: 1;
  height: 100%;
  border: none;
  outline: none;
  font-size: 14px;
}

.search-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: #666;
  font-size: 16px;
}

/* 右侧项目列表区域 */
.project-list-area {
  flex: 1;
  height: 100%;
  background-color: white;
  border-left: 1px solid #e0e0e0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.list-header {
  padding: 20px;
  border-bottom: 1px solid #e0e0e0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.list-header h3 {
  margin: 0;
  font-size: 18px;
  color: #333;
}

.count {
  font-size: 14px;
  color: #999;
}

.project-cards {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}

.project-card {
  padding: 15px;
  margin-bottom: 10px;
  background-color: #f9f9f9;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.project-card:hover {
  background-color: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.project-card.selected {
  background-color: #fff0f0;
  border-color: #ff4d4f;
}

.project-card h4 {
  margin: 0;
  font-size: 16px;
  color: #333;
}

.no-data {
  text-align: center;
  padding: 40px 0;
  color: #999;
  font-size: 14px;
}

/* 滚动条样式 */
.project-cards::-webkit-scrollbar {
  width: 6px;
}

.project-cards::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.project-cards::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 3px;
}

.project-cards::-webkit-scrollbar-thumb:hover {
  background: #555;
}
</style>