定位组件修改

utils/handleLocation/index.js

-/**
- * 使用百度地图api 获取当前用户的位置
- * 返回 {
- *   address : '地理位置中文',
- *   lng: '纬度',
- *   lat: '经度',
- * }
- * */
-export default function getLocation(callBack = () => {}){
-    if(typeof BMap == 'undefined'){
-      console.log('请先加载百度api js 文件: http://api.map.baidu.com/api?v=2.0&ak=qWnwdKnruRGnojAtsZ7Cfb2g');
-      return false;
+const isHttps = window.location.protocol.indexOf('https') > -1;
+const apiVersion = isHttps ? '3.0' : '2.0';
+const mapContaienrId = "baiduMap";
+const apiSrc = `https://api.map.baidu.com/api?v=${apiVersion}&ak=WPau2m9l3Rty2HR7Kfc9879nzP2Fj0UU&callback=baiduMapInitialize`;
+const hasMapContainer = !!document.getElementById(mapContaienrId);
+
+function loadScript(callBack) {
+  window.baiduMapInitialize = function  () {
+    getLocationByMap(callBack);
   }
-    const map = new BMap.Map('baiduMap');
+  if (!hasMapContainer) {
+    document.write(`
+      <div id="${mapContaienrId}"></div>
+    `);
+  }
+  document.write(`<script type="text/javascript" src="${apiSrc}"></script>`);
+}
+
+function getLocationByMap(callback) {
+  const BMap = window.BMap;
+  const map = new BMap.Map(mapContaienrId);
   const point = new BMap.Point(107.303748,34.346725);
   map.centerAndZoom(point, 12);
   const geolocation = new BMap.Geolocation();
   geolocation.enableSDKLocation();
   geolocation.getCurrentPosition(function(r){
-      if(this.getStatus() === 0) {
-        let address = getAddress(r.point, callBack);
+    let msg = '';
+    switch (this.getStatus()) {
+      case window.BMAP_STATUS_SUCCESS: {
+        getAddress(r.point, callback);
         let mk = new BMap.Marker(r.point);
         map.addOverlay(mk);
         map.panTo(r.point);
-        return address;
-      }else{
-        console.log('发生错误!');
+        break;
+      }
+      case window.BMAP_STATUS_CITY_LIST: {
+        msg = '城市列表';
+        break;
+      }
+      case window.BMAP_STATUS_UNKNOWN_LOCATION: {
+        msg = '位置结果未知';
+        break;
+      }
+      case window.BMAP_STATUS_UNKNOWN_ROUTE: {
+        msg = '导航结果未知';
+        break;
+      }
+      case window.BMAP_STATUS_INVALID_KEY: {
+        msg = '非法密钥';
+        break;
+      }
+      case window.BMAP_STATUS_INVALID_REQUEST: {
+        msg = '非法请求';
+        break;
+      }
+      case window.BMAP_STATUS_PERMISSION_DENIED: {
+        msg = '没有权限';
+        break;
+      }
+      case window.BMAP_STATUS_SERVICE_UNAVAILABLE: {
+        msg = '服务不可用';
+        break;
+      }
+      case window.BMAP_STATUS_TIMEOUT: {
+        msg = '超时';
+        break;
+      }
+      default: {
+        msg = '未知错误';
+      }
+    }
+    console.log(msg);
+  },{
+    enableHighAccuracy: true,
+  });
+}
 
+/**
+ * @function 使用百度地图api，获取当前用户的位置,
+ * 可以不用在ejs写api脚本，直接传回调函数，调用getLocation函数,
+ * @param {Function} callBack 获取位置成功后的回调函数
+ * @example
+ * getLocation(function(addressInfo) {
+ *  console.log('位置信息', addressInfo)
+ * });
+ * addressInfo = {
+ *   address : '地理位置中文',
+ *   lng: '纬度',
+ *   lat: '经度',
+ * }
+ */
+export default function getLocation(callBack = () => {}){
+  if(typeof BMap === 'undefined') {
+    loadScript(callBack);
     return false;
   }
-    },{enableHighAccuracy: true});
-
+  getLocationByMap(callBack);
 }
 
 export function getAddress(point, callBack=()=>{}){