spring - Spring 如何在requestparam中提供默认日期值

@RequestMapping(value = "/getSettlements", method = RequestMethod.GET, headers = "Accept=application/json")
  public @ResponseBody
            Collection<Settlement> getSettlements
            (@RequestParam(value = "startDate") String startDate,
            @RequestParam(value = "endDate") String endDate,
            @RequestParam(value = "merchantIds", defaultValue = "null") String merchantIds)

如何在defaultValue中给出今天的日期？它只需要恒定。

最佳答案

@InitBinder
public void initBinder(WebDataBinder binder) throws Exception {
    final DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
    final CustomDateEditor dateEditor = new CustomDateEditor(df, true) {
        @Override
        public void setAsText(String text) throws IllegalArgumentException {
            if ("today".equals(text)) {
                setValue(new Date());
            } else {
                super.setAsText(text);
            }
        }
    };
    binder.registerCustomEditor(Date.class, dateEditor);
}

@RequestParam(required = false, defaultValue = "today") Date startDate

关于spring - Spring 如何在requestparam中提供默认日期值，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/17693435/