.

app/api/mobile/apis/users.rb

@@ -8,15 +8,13 @@ module Mobile
         desc "绑定微信用户"
         params do
           requires :login, type: String, desc: 'username'
-          requires :mail, type: String, desc: 'mail'
           requires :password, type: String, desc: 'password'
+          requires :openid, type: String, desc: 'wechat openid'
         end
         post 'wxbind' do
-            code = params[:code] || session[:wechat_code]
-            openid = get_openid_from_code(code)
-
+            openid = params[:openid]
             raise "无法获取到openid,请在微信中打开本页面" unless openid
-            raise "此微信号已绑定用户, 不能重复绑定" if user_binded?(openid)
+            raise "此微信号已绑定用户, 不能重复绑定" if UserWechat.where(openid: openid).first
 
             user, last_login_on = User.try_to_login(params[:username], params[:password])
             raise "用户名或密码错误,请重新输入" unless user