Question

我正在尝试使用MVC 3验证IP地址。如果用户输入了错误的IP地址，那么页面应该显示＆＃34;错误的IP地址消息＆＃34;给用户。我在互联网上搜索了很多，但没有得到适当的解决方案。你能帮我么... 提前谢谢。

模型代码：

 [Display(Name = "EQ")]
    public string EQ { get; set; }

    [Display(Name = "EQD")]
    public string EQD { get; set; }

    [Display(Name = "BFX")]
    public string BFX { get; set; }

    [Display(Name = "SLB")]
    public string SLB { get; set; }

    [Display(Name = "Others")]
    public string Others { get; set; }

我想要单独的5个复选框，即（EQ，EQD，BFX，SLB和其他）。

观点：

<div class="editor-label" style="font-weight: bold">
        @Html.LabelFor(model => model.EQ)
    </div>
    <div class="editor-field">
        @Html.CheckBoxFor(Model => Model.EQ)
        @Html.ValidationMessageFor(model => model.EQ)
    </div>
    <div class="editor-label" style="font-weight: bold">
        @Html.LabelFor(model => model.EQD)
    </div>
    <div class="editor-field">
        @Html.CheckBoxFor(Model => Model.EQD)
        @Html.ValidationMessageFor(model => model.EQD)
    </div>
    <div class="editor-label" style="font-weight: bold">
        @Html.LabelFor(model => model.BFX)
    </div>
    <div class="editor-field">
        @Html.CheckBoxFor(Model => Model.BFX)
        @Html.ValidationMessageFor(model => model.BFX)
    </div>
    <div class="editor-label" style="font-weight: bold">
        @Html.LabelFor(model => model.SLB)
    </div>
    <div class="editor-field">
        @Html.CheckBoxFor(Model => Model.SLB)
        @Html.ValidationMessageFor(model => model.SLB)
    </div>
    <div class="editor-label" style="font-weight: bold">
        @Html.LabelFor(model => model.Others)
    </div>
    <div class="editor-field">
        @*@Html.EditorFor(model => model.Others)*@
        @Html.CheckBoxFor(Model => Model.Others)
        @Html.ValidationMessageFor(model => model.Others)
    </div>

Answer 1

我建议使用 IPAddress.TryParse（）

确定字符串是否是有效的IP地址。

http://msdn.microsoft.com/en-us/library/system.net.ipaddress.tryparse(v=vs.110).aspx

Answer 2

在你的模特中

[正则表达式（@＆＃34; ^（？：[0-9] {1,3}）{3} [0-9] {1,3} $＆＃34）]

public string AssignedIP {get;组; }

Answer 3

这个人对MVC有很好的方法 https://codingjourneyman.com/2015/01/08/model-validation-in-asp-net-mvc/

public class IPAddressModel
{
    [Required]
    [Display(Name = "Your name")]
    public string Name { get; set; }

    [IpAddress]
    [Required]
    [Display(Name = "Your IP address")]
    public string IPAddress { get; set; }
}

如何在MVC 3中验证IP地址

3 个答案: