ASP.NET MVC 使用Remote特性实现远程属性验证

/// <summary>/// 会员/// </summary>public class Member{ ???public int Id { get; set; } ???[Required(ErrorMessage = "请填写用户名")] ???[Remote("CheckName","Member",HttpMethod = "POST")] ???public string Name { get; set; } ???[Required(ErrorMessage = "请填写密码")] ???[StringLength(16, ErrorMessage = "请填写6到16位的密码",MinimumLength = 6)] ???public string Password { get; set; } ???[Required(ErrorMessage = "请填写手机号码")] ???[RegularExpression(@"^1\d{10}$",ErrorMessage = "手机号码格式错误")] ???[Remote("CheckMobile", "Member", HttpMethod = "POST")] ???public string Mobile { get; set; }}

public class MemberController : Controller ???{ ???????// GET: Member ???????public ActionResult Index() ???????{ ???????????return View(); ???????} ???????public ActionResult Create() ???????{ ???????????return View(); ???????} ???????[HttpPost] ???????public ActionResult Create(Member model) ???????{ ???????????if (ModelState.IsValid) ???????????{ ???????????} ???????????return View(model); ???????} ???????[HttpPost] ???????public JsonResult CheckName(string Name) ???????{ ???????????//这里假设已经有了test这个会员，如果注册时填写的也是test这个会员，则已存在会员，验证不通过 ???????????//这里只是模拟，实际的情况是读取数据库等去判断是否存在该用户名的会员 ???????????if (!string.IsNullOrWhiteSpace(Name) && ?Name.Trim() == "test") ???????????{ ???????????????return Json("用户名" + Name + "已存在", JsonRequestBehavior.AllowGet); ???????????} ???????????return Json(true, JsonRequestBehavior.AllowGet); ???????} ???????[HttpPost] ???????public JsonResult CheckMobile(string Mobile) ???????{ ???????????//这里假设已经有了手机号码10000000000已经注册，如果使用该号码注册，则验证不通过 ???????????//注意：这里的号码10000000000不具有真实性，只是举例使用 ???????????//这里只是模拟，实际的情况是读取数据库等去判断是否存在该手机号码的会员 ???????????if (!string.IsNullOrWhiteSpace(Mobile) && Mobile.Trim() == "10000000000") ???????????{ ???????????????return Json("手机号码已被注册", JsonRequestBehavior.AllowGet); ???????????} ???????????return Json(true, JsonRequestBehavior.AllowGet); ???????} ???}

@model RemoteDemoWeb.Models.Member@{ ???ViewBag.Title = "Create"; ???Html.EnableClientValidation(); ???Html.EnableUnobtrusiveJavaScript();}<h2>Create</h2>@using (Html.BeginForm()) { ???@Html.AntiForgeryToken() ???????<div class="form-horizontal"> ???????<h4>Member</h4> ???????<hr /> ???????@Html.ValidationSummary(true, "", new { @class = "text-danger" }) ???????<div class="form-group"> ???????????@Html.LabelFor(model => model.Name, htmlAttributes: new { @class = "control-label col-md-2" }) ???????????<div class="col-md-10"> ???????????????@Html.EditorFor(model => model.Name, new { htmlAttributes = new { @class = "form-control" } }) ???????????????@Html.ValidationMessageFor(model => model.Name, "", new { @class = "text-danger" }) ???????????</div> ???????</div> ???????<div class="form-group"> ???????????@Html.LabelFor(model => model.Password, htmlAttributes: new { @class = "control-label col-md-2" }) ???????????<div class="col-md-10"> ???????????????@Html.EditorFor(model => model.Password, new { htmlAttributes = new { @class = "form-control" } }) ???????????????@Html.ValidationMessageFor(model => model.Password, "", new { @class = "text-danger" }) ???????????</div> ???????</div> ???????<div class="form-group"> ???????????@Html.LabelFor(model => model.Mobile, htmlAttributes: new { @class = "control-label col-md-2" }) ???????????<div class="col-md-10"> ???????????????@Html.EditorFor(model => model.Mobile, new { htmlAttributes = new { @class = "form-control" } }) ???????????????@Html.ValidationMessageFor(model => model.Mobile, "", new { @class = "text-danger" }) ???????????</div> ???????</div> ???????<div class="form-group"> ???????????<div class="col-md-offset-2 col-md-10"> ???????????????<input type="submit" value="Create" class="btn btn-default" /> ???????????</div> ???????</div> ???</div>}<div> ???@Html.ActionLink("Back to List", "Index")</div>@section scripts{ ???<script src="~/Scripts/jquery.validate.js"></script><script src="~/Scripts/jquery.validate.unobtrusive.js"></script> ???}