project init

src/util/loadBMap.js

@@ -0,0 +1,21 @@
+/**
+ * 动态加载百度地图api函数
+ * @param {String} ak  百度地图AK，必传
+ */
+export function loadBMap (ak) {
+  return new Promise(function (resolve, reject) {
+    if (typeof window.BMap !== 'undefined') {
+      resolve(window.BMap)
+      return true
+    }
+    window.onBMapCallback = function () {
+      resolve(window.BMap)
+    }
+    let script = document.createElement('script')
+    script.type = 'text/javascript'
+    script.src =
+      'http://api.map.baidu.com/api?v=3.0&ak=' + ak + '&callback=onBMapCallback'
+    script.onerror = reject
+    document.head.appendChild(script)
+  })
+}