增加方法定义：checkFllow

src/api/phase2/userfollow.js

@@ -12,6 +12,16 @@ const save=function (followId){
   return ajax.get(baseURL,'/xboe/subgroup/m/userfollow/save?followId='+followId);
 }
 
+/**
+ * 检查是否已关注
+ * @param{
+ *   followId
+ * }
+ * */
+const checkFllow=function (followId){
+  return ajax.get(baseURL,'/xboe/subgroup/m/userfollow/checkFllow?followId='+followId);
+}
+
 /**
  * 取消关注
  *
@@ -79,6 +89,6 @@ export default {
   mypage,
   ids,
   counts,
-  has
+  has,
+  checkFllow
 }
-