우왕

@PostMapping(value = "/findPayment", produces = "application/json")
@ResponseBody
public Map<String, Object> findPayment(@RequestBody String oData) {
    //ObjectMapper oMapp = new ObjectMapper();
    //Map<String, Object> mData = oData.readValue(oData, HashMap.class);
    Map<String, Object> mData = new ObjectMapper().readValue(oData, HashMap.class);
  }