clean codes

lib/weixin_authorize/api/qrcode.rb

@@ -6,7 +6,7 @@ module WeixinAuthorize
 
       # 临时二维码
       def create_qr_scene(scene_id, expire_seconds=1800)
-        post_url = "#{qrcode_base_url}/create"
+        post_url     = "#{qrcode_base_url}/create"
         qrcode_infos = {action_name: "QR_SCENE", expire_seconds: expire_seconds}
         qrcode_infos = qrcode_infos.merge(action_info(scene_id))
         http_post(post_url, qrcode_infos)
@@ -14,7 +14,7 @@ module WeixinAuthorize
 
       # 永久二维码
       def create_qr_limit_scene(scene_id)
-        post_url = "#{qrcode_base_url}/create"
+        post_url     = "#{qrcode_base_url}/create"
         qrcode_infos = {action_name: "QR_LIMIT_SCENE"}
         qrcode_infos = qrcode_infos.merge(action_info(scene_id))
         http_post(post_url, qrcode_infos)
@@ -22,7 +22,7 @@ module WeixinAuthorize
 
       # 通过ticket换取二维码, 直接访问即可显示！
       def qr_code_url(ticket)
-        "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=#{ticket}"
+        WeixinAuthorize.mp_endpoint("/showqrcode?ticket=#{ticket}")
       end
 
       private