/*** 微信小程序支付* @param orderMaster 订单对象* @return*/@Overridepublic ReturnMsg wxpayJsapi(OrderMaster orderMaster)  {//封装请求参数Map<String, Object> map = new HashMap();map.put("appid", WxpayStaticParameter.appId);map.put("mchid", WxpayStaticParameter.mchId);//商品的介绍map.put("description", "大美无度产品订单");//商户系统内部订单号map.put("out_trade_no", orderMaster.getId());//回调地址map.put("notify_url", WxpayStaticParameter.notifyUrl);//订单金额 单位分Map<String, Object> amount = new HashMap();amount.put("total", Integer.parseInt(ConversionUtil.getMoney(orderMaster.getOrderPrice().toString())));amount.put("currency", "CNY");map.put("amount", amount);Map<String,Object> payer =new HashMap<>();payer.put("openid",getOpenIdByClientId(orderMaster.getClientId()));map.put("payer",payer);/* 参数准备完成  *///发送请求ObjectMapper objectMapper = new ObjectMapper();String body = null;String prepayId = null;try {body = objectMapper.writeValueAsString(map);Map<String, Object> returnMap = HttpUtils.doPost(WxpayStaticParameter.unifiedOrderJsapiUrl, body);//获取返回的prepayIdprepayId = (String)returnMap.get("prepay_id");} catch (JsonProcessingException e) {e.printStackTrace();}//使用工具类签名try {HashMap<String, Object> dataMap = WeixinchatPayUtils.getTokenWeixin(WxpayStaticParameter.appId, prepayId);return ReturnMsg.success().add("data", dataMap);} catch (IOException e) {e.printStackTrace();} catch (SignatureException e) {e.printStackTrace();} catch (NoSuchAlgorithmException e) {e.printStackTrace();} catch (InvalidKeyException e) {e.printStackTrace();}return ReturnMsg.fail();}