JQuery-ajax

AJAX 前端：

function exportCalendar(){
    $.ajax({
        cache:false,
        url : ctx + "fhreservation/reservationCalendar/exportCalendar",
        type : "POST",
        dataType: "json",
        data : {
            placeId : placeId,
            roomFloorId : roomFloorId
        },
        success : function(data) {
            console.log(data);
        }
    });
}

SpringBoot后台：

@Controller
@RequestMapping("fhreservation/reservationCalendar")
public class RoomReservationCalendarController {
    @PostMapping("/exportCalendar")
    @ResponseBody
    public Stirng ExportCalendar(@RequestParam Map