微信支付签约用户，微信支付时 class WXPayEntryActivity : AppCompatActivity(), IWXAPIEventHandler { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) val api = WeChatUtil(this).createWXAPI() try { api.handleIntent(intent, this) } catch (e: Exception) { } } override fun onResp(baseResp: BaseResp?) { LogUtil.e("pay errCode = " + baseResp?.errCode) LogUtil.e("pay errStr = " + baseResp?.errStr) when (baseResp?.errCode) {             // TODO 此处始终返回 errCode = -1 检查过APPID, PID 等 没有问题。 BaseResp.ErrCode.ERR_OK -> { if (baseResp.type == ConstantsAPI.COMMAND_PAY_BY_WX) { setPayResult(true) } } else -> setPayResult(false) } }