我创建了一个ActionFilterAttribute,它允许在允许处理MVC控制器get / post请求之前验证帐户是否可以进行处理。如果帐户不可用,我想向客户端返回错误。如果请求是ajax帖子,我想在响应中包含json数据。出于某种原因,当浏览器和网站在同一台机器上运行时,json数据仅返回到浏览器。如果我浏览另一台机器上的网站并预先形成ajax帖子,则响应Content-Type将返回为" text / html"。但是,如果浏览器与网站在同一台计算机上运行,则响应Content-Type将正确返回为" application / json"。
我做错了什么?
ActionFilterAttribute
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
base.OnActionExecuting(filterContext);
if (filterContext.Result == null)
{
if (IsAccountUnavailable(Key))
{
if (filterContext.HttpContext.Request.IsAjaxRequest())
{
filterContext.HttpContext.Response.StatusCode = (int)HttpStatusCode.Conflict;
filterContext.HttpContext.Response.ContentType = "application/json";
filterContext.Result = new JsonResult
{
Data = new {Error = "Unavailable", Url = GetLogOffUrl()},
JsonRequestBehavior = JsonRequestBehavior.AllowGet
};
}
else
filterContext.Result = new RedirectResult(GetLogOffUrl());
}
}
}
jQuery ajax post
$.ajax({
url: window.location.href,
type: 'POST',
data: JSON.stringify(ko.mapping.toJS(serverModel.SelectionsViewModel)),
contentType: "application/json; charset=utf-8",
dataType: 'json'
})
.done(function (data) {
if (data.isValid)
window.location.href = serverModel.NextView();
else
showGenericSaveError();
})
.fail(function (jqXhr) {
handleAjaxError(jqXhr);
});
};
答案 0 :(得分:3)
感谢一位发现以下帖子的同事,我的问题已得到解决。我需要设置Response.TrySkipIisCustomErrors = true
Returning http status code 409 Conflict (without ASP.NET MVC alterations)
工作代码......
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
base.OnActionExecuting(filterContext);
if (filterContext.Result == null)
{
if (QuoteServiceLayer.IsAccountUnavailable(AccountKey, EnrollmentPeriodType, EmployeeKey))
{
if (filterContext.HttpContext.Request.IsAjaxRequest())
{
filterContext.HttpContext.Response.StatusCode = (int)HttpStatusCode.Conflict;
filterContext.HttpContext.Response.TrySkipIisCustomErrors = true;
filterContext.Result = new JsonResult
{
Data = new {Error = "Unavailable", Url = GetLogOffUrl()},
JsonRequestBehavior = JsonRequestBehavior.AllowGet
};
}
else
filterContext.Result = new RedirectResult(GetLogOffUrl());
}
}
}