[3.1微信小程序](3.1%E5%BE%AE%E4%BF%A1%E5%B0%8F%E7%A8%8B%E5%BA%8F.md) [3.2支付宝小程序](3.2%E6%94%AF%E4%BB%98%E5%AE%9D%E5%B0%8F%E7%A8%8B%E5%BA%8F.md) [3.3扣款顺序列表](3.3%E6%89%A3%E6%AC%BE%E9%A1%BA%E5%BA%8F%E5%88%97%E8%A1%A8.md)