iot/labs/Teacher/TeacherExt/Controllers/AjaxController.cs

using Microsoft.AspNetCore.Mvc;
using System;
using System.Linq;

namespace TeacherExt.Controllers
{
    public class AjaxController : Controller
    {
        public IActionResult JobAsMaxTitleDate(DateTime? jobAsMaxTitleDate, bool? isJobAsMaxTitle)
        {
            if (isJobAsMaxTitle.HasValue && isJobAsMaxTitle.Value && !jobAsMaxTitleDate.HasValue)
            {
                return Json("以最高职称聘任的，必须填写聘任时间");
            }
            return this.ValidDate();
        }

        public IActionResult ValidDate()
        {
            if (Request.Query.Keys.Any())
            {
                var input = Request.Query.FirstOrDefault().Value.ToString();
                if (!string.IsNullOrEmpty(input))
                {
                    if (DateTime.TryParse(input, out var date))
                    {
                        if (date > DateTime.Now.AddDays(1))
                        {
                            return Json("日期不能大于当前时间");
                        }
                        else if (date < DateTime.Now.AddYears(-100))
                        {
                            return Json("日期不能小于当前时间100年");
                        }
                    }
                }
            }
            return Json(true);
        }
    }
}