增加地图元素清空功能，完成附近医院路线规划功能

src/assets/mapUtils/map.ts

@@ -2,7 +2,7 @@ import AMapLoader from '@amap/amap-jsapi-loader';
 import china from '/@/assets/lngLat/china.ts';
 import chinaInner from '/@/assets/lngLat/chinaInner.ts';
 import { createCircle, createIcon, getCenter, getLonLat, typeToIcon } from '/@/assets/mapUtils/commonFun.ts';
-import { aircraftContent, alarmIcon } from '/@/components/chinaMap/chinaHooks.ts';
+import { aircraftContent, alarmIcon, female, male } from '/@/components/chinaMap/chinaHooks.ts';
 import { isFunction } from '/@/utils/is.ts';
 import { Callback, ExtDataType, InitMap, MarkerOption, ResultType } from '/@/assets/mapUtils/mapFunTypes.ts';
 import { defaultOption, getZoom, mapKey, mapPlugin } from '/@/assets/mapUtils/mapConstant.ts';
@@ -17,6 +17,8 @@ export const Map = {
     placeSearch: null, //地点查询
     marker: null, // 健康终端报警
     infoWindow: null, //地图弹窗
+    driveLine: null, // 导航轨迹线
+    emergencyMarker: null, // 应急人员marker
     /**
      * @desc 地图舒适化
      * @param el dom元素 id选择器
@@ -31,7 +33,6 @@ export const Map = {
             }).then((res) => {
                 AMap = res;
                 const { zoom, center, mapStyle } = { ...defaultOption, ...option };
-                console.log(zoom, center);
                 //基本地图加载
                 this.map = new AMap.Map(el, {
                     resizeEnable: true,
@@ -314,4 +315,150 @@ export const Map = {
             this.infoWindow = null;
         }
     },
+    /**
+     * @desc 计算两个坐标点的距离
+     * @param {Array} listA 坐标点数组
+     * @param {Array} listB 坐标点数组
+     * @return {Number} 距离
+     */
+    getDistance(listA: number[], listB: number[]) {
+        let lnglatA = new AMap.LngLat(listA[0], listA[1]);
+        let lnglatB = new AMap.LngLat(listB[0], listB[1]);
+        return lnglatA.distance(lnglatB);
+    },
+    /**
+     * @desc 计算两个坐标点的驾车时间
+     * @param {Array} listA 坐标点数组
+     * @param {Array} listB 坐标点数组
+     * @param {Function} callback 回调
+     * @return {Number} 时间
+     */
+    getDriveTime(listA: number[], listB: number[], callback?: Callback) {
+        let lnglatA = new AMap.LngLat(listA[0], listA[1]);
+        let lnglatB = new AMap.LngLat(listB[0], listB[1]);
+        const drivingOptions = {
+            policy: AMap.DrivingPolicy.LEAST_TIME,
+        };
+        let driving = new AMap.Driving(drivingOptions);
+        return new Promise((resolve, reject) => {
+            driving.search(lnglatA, lnglatB, (status, result) => {
+                if (status === 'complete') {
+                    // console.log('result', result);
+                    if (callback && isFunction(callback)) {
+                        callback(result);
+                    }
+                    return resolve(result.routes[0]);
+                }
+            });
+        });
+    },
+
+    /**
+     * @desc 创建导航轨迹线路
+     * @param {Array} listA 坐标点数组
+     * @param {Array} listB 坐标点数组
+     *
+     */
+    createNaviLine(listA: number[], listB: number[]) {
+        this.clearNaviLine();
+        let lnglatA = new AMap.LngLat(listA[0], listA[1]);
+        let lnglatB = new AMap.LngLat(listB[0], listB[1]);
+        const drivingOptions = {
+            policy: AMap.DrivingPolicy.LEAST_TIME,
+            map: this.map,
+            autoFitView: true,
+            // panel: 'driving-panel',
+        };
+        this.driveLine = new AMap.Driving(drivingOptions);
+        this.driveLine.search(lnglatA, lnglatB, (status, result) => {
+            if (status === 'complete') {
+                // console.log('result', result);
+            }
+        });
+        this.driveLine.on('error', function (result) {
+            let str = '定位失败：';
+            console.log('error', result);
+            switch (result.info) {
+                case 'PERMISSION_DENIED':
+                    str += '浏览器阻止了定位操作';
+                    break;
+                case 'POSITION_UNAVAILBLE':
+                    str += '无法获得当前位置';
+                    break;
+                case 'TIMEOUT':
+                    str += '定位超时';
+                    break;
+                default:
+                    str += '未知错误';
+                    break;
+            }
+            console.log(str);
+            return false;
+        });
+    },
+    /**
+     * @desc 清除导航轨迹线路
+     */
+    clearNaviLine() {
+        if (this.driveLine) {
+            this.driveLine.clear();
+        }
+    },
+    /**
+     * @desc 创建应急人员Marker
+     */
+    createEmergencyMarker(option) {
+        this.clearEmergencyMarker();
+        const { sex, address, name, position } = option;
+        const icon = sex == '1' ? female : male;
+        this.emergencyMarker = new AMap.Marker({
+            position: position,
+            icon: createIcon({ icon: icon, iconSize: [36, 36], imageSize: [36, 36] }),
+            offset: new AMap.Pixel(0, 0), //设置偏移量
+            label: {
+                content: `<div class="alarm-content" style="width: 180px" > 
+                                <div style="text-align: center;padding-bottom: 6px">${name}</div>
+                                <div style="text-wrap: wrap">${address}</div>
+                          </div>`,
+                offset: new AMap.Pixel(-100, 55),
+            },
+        });
+        this.map.add(this.emergencyMarker);
+        this.setZoomCenter(position);
+    },
+    /**
+     * @desc 清除应急人员Marker
+     */
+    clearEmergencyMarker() {
+        if (this.emergencyMarker) {
+            this.emergencyMarker?.setMap(null);
+            this.emergencyMarker = null;
+        }
+    },
+    /**
+     * @desc 根据坐标获取地址信息
+     * @param {Array} list 坐标点数组
+     */
+    getAddressByPoint(list: number[]) {
+        const geocoder = new AMap.Geocoder({
+            city: '全国',
+            radius: 1000,
+        });
+        let lnglat = new AMap.LngLat(list[0], list[1]);
+        return new Promise((resolve, reject) => {
+            geocoder.getAddress(lnglat, (status, result) => {
+                if (status === 'complete' && result.regeocode) {
+                    return resolve(result.regeocode.formattedAddress);
+                }
+                return reject(result);
+            });
+        });
+    },
+    /**
+     * @desc 清除导航元素
+     */
+    clearNavigationElements() {
+        this.clearNaviLine();
+        this.clearEmergencyMarker();
+    },
 };