post请求，
POST请求接受参数，需要加上注解@RequestBody
类型1： 传参为json格式，但是没有实体类可以去接受参数
类型2：用实体类去接受参数
类型
1：
@RequestMapping(value =
"/POST/pos/discountinforinqury", method = RequestMethod.POST)
public String
queryDiscount( @RequestBody String jsonString)
throws ExecutionException, InterruptedException
JSONObject jsonObject = JSONObject.parseObject(jsonString);
String response = queryDiscountInfoService.queryDiscountInfo(jsonObject.getString(
"card_no"), jsonObject.getBigDecimal(
"trade_money"),jsonObject.getString(
"samNo"));
return response;
类型
2：
@RequestMapping(value =
"/pos/accounttransaction", method = RequestMethod.POST)
public JSONObject
customerAcctountConsume(@RequestBody ConsumeRequest request)
throws Throwable {
