我已经将botDetect Catpcha集成到我的ASP.NET MVC表单中,并且当用户输入不正确的Catpcha值时,我无法获取验证消息。
。我需要更改以获取验证消息以显示?
edit - 我添加了视图的Html.BeginForm
部分,以指示帖子向后返回控制器中的其他操作。
源代码 - 查看
@using(Html.BeginForm("Create", "Contact", FormMethod.Post, new { enctype = 'multipart/form-data' }))
{
@{
MvcCaptcha contactCaptcha = new MvcCaptcha("ContactCaptcha");
contactCaptcha.UserInputID = "ContactCaptchaCode";
}
To prevent spam, we utilize a verification code system. Please enter the code as it is shown in the box below.<br />
@Html.Captcha(contactCaptcha)<br />
Code:<br />
@Html.TextBox("ContactCaptchaCode", string.Empty, new { @class = "form- control", @style = "width: 200px" })
<div class="row">
<div class="col-sm-12" style="text-align: right">
<input type="submit" value="Send" class="btn-default" />
@Html.ValidationMessage("ContactCaptchaCode", new { @class = "text-danger" })
</div>
</div>
}
源代码 - 控制器
[HttpPost]
[AllowAnonymous]
[CaptchaValidation("ContactCaptchaCode", "ContactCaptcha", "Please enter the correct CAPTCHA code.")]
public ActionResult Create(Models.Contact formContact)
{
if(ModelState.IsValid)
{
//do stuff here is correct captcha value
}
}
如果false
,则必须添加!ModelState.IsValid
,然后返回视图,因为在您的代码中,如果模型是无效的,则无需做任何事情,而不是验证的工作方式。所以做这样的事情
[HttpPost]
[AllowAnonymous]
[CaptchaValidation("ContactCaptchaCode", "ContactCaptcha", "Please enter the correct CAPTCHA code.")]
public ActionResult Create(Models.Contact formContact)
{
if(!ModelState.IsValid)
{
return view(formContact);
}
//if valid do your code here
}
现在,如果您放置一个断点,您将看到ModelState
将具有keys
和values
,如果有任何验证失败,并且当您执行return view(formContact);
时,它将带有验证消息返回到视图,它将匹配键并显示错误消息,例如我有
@Html.ValidationMessage("ContactCaptchaCode");
如果此属性的验证失败modelstate
将具有key=ContactCaptchaCode
和value=Please enter the correct CAPTCHA code.