[英]ASP.NET MVC - HybridViewResult (ViewResult /PartialViewResult)
是否有可能構建一個混合的ViewResult,它返回AjaxRequest或HttpRequest的一個PartialViewResult
或ViewResult
?
IsAjaxRequest - >返回PartialViewResult!IsAjaxRequest - >返回ViewResult
據我所知,我的HybridViewResult應該派生自ViewResultBase。
但是如何實現FindView方法呢?
嘗試:
public class HybridViewResult : ActionResult
{
public string ViewName { get; set; }
public HybridViewResult () { }
public HybridViewResult (string viewName ) { this.ViewName = viewName ; }
public override void ExecuteResult(ControllerContext context)
{
if (context == null) throw new ArgumentNullException("context");
var usePartial = ShouldUsePartial();
ActionResult res = GetInnerViewResult(usePartial);
res.ExecuteResult(context);
}
private ActionResult GetInnerViewResult(bool usePartial)
{
var view = ViewName;
ActionResult res;
if(String.IsNullOrEmpty(view)) {
res = usePartial ? new PartialViewResult(view) : new ViewResult(view);
}
else {
res = usePartial ? new PartialViewResult() : new ViewResult();
}
return res;
}
private bool ShouldUsePartial(ControllerContext context) {
return false; //your code that checks if you need to use partial here
}
}
根據需要添加任何構造函數和GetInnerViewResult變量,即傳遞Model。
對於eglasius的答案,這是一個稍微簡單的考慮。 我實際上正在解決類似的問題,除了我需要返回一個JsonResult。
(未經測試的)NormalOrAjaxResult只允許您為非ajax請求指定一個操作結果,為ajax請求指定一個操作結果。 因為這些是ActionResults,所以您可以混淆Redirect,View,Partial和Json視圖結果。
public class NormalOrAjaxResult : ActionResult
{
private readonly ActionResult _nonAjaxActionResult;
private readonly ActionResult _ajaxActionResult;
public NormalOrAjaxResult(ActionResult nonAjaxActionResult, ActionResult ajaxActionResult)
{
_nonAjaxActionResult = nonAjaxActionResult;
_ajaxActionResult = ajaxActionResult;
}
public override void ExecuteResult(ControllerContext context)
{
var isAjaxRequest = context.HttpContext.Request["isAjax"];
if (isAjaxRequest != null && isAjaxRequest.ToLower() == "true")
{
_ajaxActionResult.ExecuteResult(context);
} else
{
_nonAjaxActionResult.ExecuteResult(context);
}
}
}
我知道我在這里參加派對的時間已經很晚了,但這些對我來說似乎不對,所以這是我的2美分:
public class PartialViewConverter : ViewResult
{
public ViewResultBase Res { get; set; }
public PartialViewConverter(ViewResultBase res) { Res = res; }
public override void ExecuteResult(ControllerContext context)
{
Res.ExecuteResult(context);
}
public static ViewResult Convert(ViewResultBase res)
{
return new PartialViewConverter(res);
}
}
用法:
return PartialViewConverter.Convert(PartialView());
然后在控制器中覆蓋View
protected override ViewResult View(string viewName, string masterName, object model)
{
//Whichever condition you like can go here
if (Request.QueryString["partial"] != null)
return PartialViewConverter.Convert(PartialView(viewName, model));
else
return base.View(viewName, masterName, model);
}
返回視圖的任何操作方法都會在請求時自動返回partials:
public ActionResult Index()
{
ViewBag.Message = "Modify this template to jump-start your ASP.NET MVC application.";
//This will return a partial if partial=true is passed in the querystring.
return View();
}
在這種情況下,你不能只做兩個不同的行動嗎? 您可以簡單地將[nonAction]
共享]邏輯放入[nonAction]
方法中?
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