postMessage

 require('./link-handle');
+require('./post-message');

+/* global wx */
+/**
+ * 向小程序发消息
+ */
+class PostMessage {
+    constructor() {
+        if (wx) {
+            wx.miniProgram.postMessage({
+                data: {
+                    title: document.title
+                }
+            });
+        } else {
+            console.error('no wx object');
+        }
+    }
+}
+
+export default new PostMessage();