用于自定义属性验证的asp mvc核心3客户端验证

public class User
{
    [Required(ErrorMessage = "Name is required")]
    [StringLength(100, ErrorMessage = "Name must be less than 100 characters")]
    public string Name { get; set; }

    [Required(ErrorMessage = "Email is required")]
    [EmailAddress(ErrorMessage = "Invalid email format")]
    public string Email { get; set; }
}

@model User

<form asp-action="Create" method="post">
    <div asp-validation-summary="All" class="text-danger"></div>
    <div class="form-group">
        <label asp-for="Name" class="control-label"></label>
        <input asp-for="Name" class="form-control" />
        <span asp-validation-for="Name" class="text-danger"></span>
    </div>
    <div class="form-group">
        <label asp-for="Email" class="control-label"></label>
        <input asp-for="Email" class="form-control" />
        <span asp-validation-for="Email" class="text-danger"></span>
    </div>
    <div class="form-group">
        <input type="submit" value="Create" class="btn btn-primary" />
    </div>
</form>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
}

[HttpPost]
public IActionResult Create(User user)
{
    if (ModelState.IsValid)
    {
        // 处理用户数据
        return RedirectToAction(nameof(Index));
    }
    return View(user);
}