我建议将您的所有请求封装到一个包装器元素中:
public class JsonResponse<T>
{
public JsonResponse()
{
}
public JsonResponse(T Data)
{
this.Data = Data;
}
public T Data { get; set; }
public bool IsValid { get; set; }
public string RedirectTo { get; set; }
}
您要发送给客户的模型在 Data 中。
为了填充 RedirectTo,我在 Global.Asax 中使用了 GlobalAuthorize 属性并添加了 handle for HandleUnauthorizedRequests。
public sealed class GlobalAuthorize : AuthorizeAttribute
{
protected override void HandleUnauthorizedRequest
(AuthorizationContext filterContext)
{
if (filterContext.HttpContext.Request.IsAjaxRequest())
{
filterContext.Result = new JsonResult
{
Data = new JsonResponse<bool>
{
IsValid = false,
//RedirectTo = FormsAuthentication.LoginUrl
RedirectTo = "/"
},
JsonRequestBehavior = JsonRequestBehavior.AllowGet
};
}
else
{
base.HandleUnauthorizedRequest(filterContext);
}
}
此外,我已将 所有 Ajax 请求封装到一个检查RedirectTo 的函数中。
function global_getJsonResult(Controller, View, data, successCallback, completeCallback, methodType)
{
if (IsString(Controller)
&& IsString(View)
&& !IsUndefinedOrNull(data))
{
var ajaxData;
var ajaxType;
if (typeof (data) == "string")
{
ajaxData = data;
ajaxType = "application/x-www-form-urlencoded"
}
else
{
ajaxData = JSON.stringify(data);
ajaxType = "application/json; charset=utf-8";
}
var method = 'POST';
if (!IsUndefinedOrNull(methodType))
{
method = methodType;
}
var jqXHR = $.ajax({
url: '/' + Controller + '/' + View,
data: ajaxData,
type: method,
contentType: ajaxType,
success: function(jsonResult)
{
if (!IsUndefinedOrNull(jsonResult)
&& jsonResult.hasOwnProperty("RedirectTo")
&& !IsUndefinedOrNull(jsonResult.RedirectTo)
&& jsonResult.RedirectTo.length > 0)
{
$.fn.notify('error', 'Login Expired', 'You have been inactive for a prolonged period of time, and have been logged out of the system.');
window.setTimeout(function() { window.location = jsonResult.RedirectTo }, 5000);
}
else if (IsFunction(successCallback))
{
successCallback(jsonResult, Controller + '/' + View);
}
},
error: function(jqXHR, textStatus, errorThrown)
{
if (errorThrown != 'abort')
{
$.fn.notify('error', 'AJAX Connection Error', textStatus + ': ' + errorThrown);
}
},
complete: function(jqXHR, textStatus)
{
if (IsFunction(completeCallback))
{
completeCallback(jqXHR, textStatus, Controller + '/' + View);
}
}
});
return jqXHR;
}
}