提交媒体地图代码

src/views/mediaMap/index.vue

@@ -5,8 +5,20 @@
                 <el-col :span="12">
                     <el-form :model="queryParams" ref="queryRef" :inline="true" class="searchInputForm">
                         <el-form-item label="" prop="templateName">
-                            <el-input v-model="queryParams.keyword" placeholder="请输入媒体名称/媒体编号/关键字" :prefix-icon="Search"
+                            <!-- <el-input v-model="queryParams.keyword" placeholder="请输入媒体名称/媒体编号/关键字" :prefix-icon="Search"
-                                style="width: 400px;" />
+                                style="width: 400px;" /> -->
+                            <el-select class="filterSelect" v-model="queryParams.keyword" filterable remote
+                                reserve-keyword :remote-method="getLocaleListList" :loading="selectLoading"
+                                @change="currentSelect" placeholder="请输入关键字" remote-show-suffix clearable
+                                style="width: 400px">
+                                <el-option v-for="item in localeList" :key="item.id" :label="item.name" :value="item"
+                                    class="one-text">
+                                    <div style="height: 24px; line-height: 24px;font-size: 16px;">{{ item.name }}</div>
+                                    <div style="color: #8492a6; font-size: 12px;height: 18px; line-height: 18px;">{{
+                                        item.address
+                                        }}</div>
+                                </el-option>
+                            </el-select>
                         </el-form-item>
                     </el-form>
                 </el-col>
@@ -41,13 +53,31 @@ import { useBackgroundStore } from '@/store/modules/background'
 import otherbg from '@/assets/images/otherbg.png'
 
 import { mediaByMap } from "@/api/mediaLibrary"
-import { rAF } from 'element-plus/es/utils/raf.mjs';
 
 const bgStore = useBackgroundStore()
 const { proxy } = getCurrentInstance()
 
 const { apiKey, secretKey } = window._CONFIG
 
+// map实例 
+const mapInstance = ref(null)
+const massMarks = ref(null)
+const centerMarker = ref(null)
+// 当前地图模式（2D/3D）
+const mapMode = ref('2D')
+// 是否全屏状态
+const isFullscreen = ref(false)
+const placeSearch = ref(null)
+
+// 热区圆实例
+const circle = ref(null);
+const circleRadius = ref(2000); // 实际半径（米） 
+const circleHandle = ref(null);  // 拖拽手柄 
+
+// 选择地点展示框
+const selectLoading = ref(false)
+const localeList = ref([])
+
 // 距离显示文本
 const distanceLable = ref('请选择')
 // 选择的距离值
@@ -79,23 +109,211 @@ const resetQuery = () => {
         y: undefined, //中心点纬度
         distance: undefined,
     }
-    handleQuery()
+    // 距离显示文本
+    distanceLable.value = '请选择'
+    // 选择的距离值
+    activeLableIndex.value = null
+    circleRadius.value = 2000; // 实际半径（米） 
+
+    // 清除现有的圆形和标记
+    if (centerMarker.value) {
+        mapInstance.value.remove(centerMarker.value);
+        centerMarker.value = null;
+    }
+    if (circle.value) {
+        mapInstance.value.remove(circle.value);
+        circle.value = null;
+    }
+    if (circleHandle.value) {
+        mapInstance.value.remove(circleHandle.value);
+        circleHandle.value = null;
+    }
+
+    // 重新渲染数据点
+    renderMassMarks()
 }
 
+
+// 调用API获取地点
+const getLocaleListList = (searchValue) => {
+    selectLoading.value = true
+    if (searchValue !== "") {
+        placeSearch.value.search(searchValue, function (status, result) {
+            // 查询成功时，result即对应匹配的POI信息
+            console.log(result.poiList, result.poiList.pois, result.poiList.pois?.length)
+            if (result.poiList.pois?.length) {
+                localeList.value = result.poiList?.pois
+            }
+            selectLoading.value = false
+        });
+    }
+}
+// 中心点选择
+const currentSelect = (val) => {
+    console.log('val', val)
+    queryParams.value.keyword = val.name
+    queryParams.value.x = val.location.lng
+    queryParams.value.y = val.location.lat
+    queryParams.value.distance = circleRadius.value
+
+    // 距离显示文本
+    distanceLable.value = '2000米'
+    // 选择的距离值
+    activeLableIndex.value = 2000
+
+    // 清除现有的圆形和标记
+    if (circle.value) {
+        mapInstance.value.remove(circle.value);
+        circle.value = null;
+    }
+    if (circleHandle.value) {
+        mapInstance.value.remove(circleHandle.value);
+        circleHandle.value = null;
+    }
+
+    createCircle(val)
+    addCenterMark(val)
+}
+// 创建中心点标记
+const addCenterMark = (val) => {
+    if (centerMarker.value) mapInstance.value.remove(centerMarker.value);
+    centerMarker.value = new AMap.Marker({
+        position: [val.location.lng, val.location.lat],
+        title: val.name,
+        zIndex: 100,
+        draggable: false,  // 是否可以拖拽
+        cursor: 'move'
+    });
+    // 将点添加到地图 
+    mapInstance.value.add(centerMarker.value);
+    mapInstance.value.setFitView();
+}
+
+// 创建圆形热区
+const createCircle = (val) => {
+    // 创建圆形覆盖物
+    circle.value = new AMap.Circle({
+        center: [val.location.lng, val.location.lat],
+        radius: circleRadius.value,
+        strokeColor: '#4e54c8',
+        strokeOpacity: 0.8,
+        strokeWeight: 2,
+        fillColor: '#4e54c8',
+        fillOpacity: 0.15,
+        zIndex: 100,
+        bubble: true,
+        cursor: 'move',
+        draggable: false  // 是否可以拖拽
+    });
+
+    // 将圆形添加到地图
+    mapInstance.value.add(circle.value);
+
+    // 创建圆形边缘拖拽手柄
+    createCircleHandle();
+
+    // 渲染数据点
+    renderMassMarks()
+}
+
+
+// 创建圆形边缘拖拽手柄
+const createCircleHandle = () => {
+    // 计算手柄的初始位置（圆形右侧边缘）
+    const center = circle.value.getCenter();
+    const radius = circle.value.getRadius();
+    // 更精确地计算手柄位置
+    const handlePosition = new AMap.LngLat(
+        center.lng + radius / (111320 * Math.cos(center.lat * Math.PI / 180)),
+        center.lat
+    );
+    console.log('手柄', handlePosition)
+    // 创建手柄标记
+    circleHandle.value = new AMap.Marker({
+        position: [handlePosition.lng, handlePosition.lat],
+        icon: new AMap.Icon({
+            size: new AMap.Size(20, 20),
+            image: '//a.amap.com/jsapi_demos/static/demo-center/icons/poi-marker-default.png',
+            imageSize: new AMap.Size(20, 20)
+        }),
+        offset: new AMap.Pixel(-10, -10),
+        zIndex: 101,
+        draggable: true,
+        cursor: 'pointer'
+    });
+
+    mapInstance.value.add(circleHandle.value);
+
+    // 监听手柄拖拽事件
+    circleHandle.value.on('dragging', (e) => {
+        const handlePos = e.lnglat;
+        const center = circle.value.getCenter();
+        const newRadius = Math.round(calculateDistance(center, handlePos));
+        circleRadius.value = newRadius;
+        distanceLable.value = `${Math.round(circleRadius.value)}米`;
+        queryParams.value.distance = circleRadius.value  // 更改查询条件距离
+        if (circleRadius.value !== 1000 && circleRadius.value !== 2000 && circleRadius.value !== 3000 && circleRadius.value !== 5000) activeLableIndex.value = null
+        else activeLableIndex.value = circleRadius.value
+        circle.value.setRadius(newRadius);
+    });
+
+    circleHandle.value.on('dragend', () => {
+        // 拖拽结束后更新手柄位置
+        updateCircleHandlePosition();
+        // 重新渲染数据点
+        renderMassMarks()
+    });
+}
+// 更新圆形拖拽手柄位置
+const updateCircleHandlePosition = () => {
+    if (!circle.value || !circleHandle.value) return;
+
+    const center = circle.value.getCenter();
+    const radius = circle.value.getRadius();
+
+    const handlePosition = new AMap.LngLat(
+        center.lng + radius / (111320 * Math.cos(center.lat * Math.PI / 180)),
+        center.lat
+    );
+
+    circleHandle.value.setPosition(handlePosition);
+};
+// 计算两点之间的距离（米）
+const calculateDistance = (point1, point2) => {
+    const lng1 = point1.lng;
+    const lat1 = point1.lat;
+    const lng2 = point2.lng;
+    const lat2 = point2.lat;
+
+    const radLat1 = lat1 * Math.PI / 180.0;
+    const radLat2 = lat2 * Math.PI / 180.0;
+    const a = radLat1 - radLat2;
+    const b = lng1 * Math.PI / 180.0 - lng2 * Math.PI / 180.0;
+
+    let distance = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) +
+        Math.cos(radLat1) * Math.cos(radLat2) * Math.pow(Math.sin(b / 2), 2)));
+    distance = distance * 6378.137;
+    distance = Math.round(distance * 10000) / 10;
+
+    return distance;
+};
+
 // 选择距离
 const handleChangeDistance = (itemDistance) => {
     queryParams.value.distance = itemDistance.value
     activeLableIndex.value = itemDistance.value
-    distanceLable.value = itemDistance.label
+    distanceLable.value = itemDistance.value + '米'
+
+    // 更新热区
+    circleRadius.value = itemDistance.value;
+    circle.value.setRadius(itemDistance.value);
+    updateCircleHandlePosition();
+
+    // 重新渲染数据点
+    renderMassMarks()
 }
 
-// map实例
+
-const mapInstance = ref(null)
-const massMarks = ref(null)
-// 当前地图模式（2D/3D）
-const mapMode = ref('2D')
-// 是否全屏状态
-const isFullscreen = ref(false)
 // 初始化地图 
 const loadMap = () => {
     return new Promise((resolve, reject) => {
@@ -106,7 +324,7 @@ const loadMap = () => {
 
         AMapLoader.load({
             key: apiKey,
-            plugins: [],
+            plugins: ["AMap.PlaceSearch"],
             AMapUI: {
                 plugins: []
             }
@@ -117,18 +335,23 @@ const loadMap = () => {
 
             mapInstance.value = new AMap.Map("mapContainer", {
                 resizeEnable: true,
-                zoom: 14,
+                // center: [116.397428, 39.90923], // 默认中心点
-                center: [116.397428, 39.90923], // 默认中心点
                 pitch: initialPitch, // 倾斜角度决定2D/3D模式
                 rotation: initialRotation, // 旋转角度
-                buildingAnimation: true,
+                // buildingAnimation: true,
-                expandZoomRange: true,
+                // expandZoomRange: true,
-                zooms: [3, 20],
+                zoom: 16,
+                zooms: [3, 16],
                 viewMode: mapMode.value // 启用3D视图
             });
 
-            // 先添加基本控件 
+            // // 先添加基本控件 
-            mapInstance.value.setZoom(14);
+            mapInstance.value.setZoom(16);
+
+            placeSearch.value = new AMap.PlaceSearch({
+                // city 指定搜索所在城市，支持传入格式有：城市名、citycode和adcode
+                city: '全国'
+            })
 
             // 添加自定义控件容器
             addCustomControls(AMap);
@@ -141,6 +364,8 @@ const loadMap = () => {
             // 监听地图渲染完成事件
             mapInstance.value.on('render', hideAmapLogo);
 
+            // 添加缩放变化监听
+            mapInstance.value.on('zoomchange', handleZoomChange);
             // 在地图完全加载后执行点数据处理
             renderMassMarks();
 
@@ -152,6 +377,15 @@ const loadMap = () => {
         });
     });
 }
+// 处理地图缩放事件
+const handleZoomChange = () => {
+    const currentZoomLevel = mapInstance.value.getZoom();
+    // 如果缩放级别超过16，自动调整回16
+    if (currentZoomLevel > 16) {
+        mapInstance.value.setZoom(16);
+        return;
+    }
+}
 // 添加自定义控件
 const addCustomControls = (AMap) => {
     // 创建控件容器
@@ -342,7 +576,9 @@ const hideAmapLogo = () => {
 }
 
 onUnmounted(() => {
-    mapInstance.value?.destroy()
+    if (mapInstance.value) {
+        mapInstance.value.destroy();
+    }
 })
 // 初始化
 onMounted(() => {
@@ -524,4 +760,9 @@ onMounted(() => {
     width: 100% !important;
     height: 100% !important;
 }
+
+.one-text {
+    height: 50px;
+    padding-top: 4px;
+}
 </style>