MVC to ActionResult Types

下面个人见解，如有不正确的地方，还请多多提出意见！ 

MVC中ActionResult 类型：

 

 

 

类名	抽象类	父类	功能
ContentResult			根据内容的类型和编码,数据内容.
EmptyResult			空方法.
FileResult	abstract		写入文件内容,具体的写入方式在派生类中.
FileContentResult		FileResult	通过 文件byte[] 写入文件.
FilePathResult		FileResult	通过 文件路径 写入文件.
FileStreamResult		FileResult	通过 文件Stream 写入文件.
HttpUnauthorizedResult			抛出401错误
JavaScriptResult			返回javascript文件
JsonResult			返回Json格式的数据
RedirectResult			使用Response.Redirect重定向页面
RedirectToRouteResult			根据Route规则重定向页面
ViewResultBase	abstract		调用IView.Render()
PartialViewResult		ViewResultBase	调用父类ViewResultBase 的ExecuteResult方法.  重写了父类的FindView方法.  寻找用户控件.ascx文件
ViewResult		ViewResultBase	调用父类ViewResultBase 的ExecuteResult方法.  重写了父类的FindView方法.  寻找页面.aspx文件

 

 ActionResult是一个普通的结果类型；

ViewResult 呈现视图，就是显示一个aspx页面，以及用于执行结果的方法 ； 

 public ViewResult Index()
{
      return View("Homepage");
      //return View("~/path/to/some/view.aspx");
      //Or, equivalently: return new ViewResult { ViewName = "Homepage" };
}

  RedirectToRouteResult 重定向，执行一个行动，给定路由名； 

public RedirectToRouteResult MyRouteResult()

{
       return RedirectToAction("Index");
       //return RedirectToRoute("MyNamedRoute", new { customParam = "SomeValue" });
}  

  RedirectResult 重定向URL地址；  

public RedirectResult MyRedirectResult()

{
      return Redirect("www.xxx.com");
      //return Redirect("~/Home/Index/Application");
}

 ContentResult 返回文本数据格式；

 public ContentResult relult() 

{
      var txt = "<div><span style=\"color:Red; font-size:small;\">稍候...加载中...</span></div>";
      return  Content(txt);
}

 FilePathResult 返回一个文件； 

 public FilePathResult DownloadReport() 

{
    string filename = @"c:\files\file.pdf";
    return File(filename, "application/pdf", "AnnualReport.pdf");
}     

 public FileContentResult DownloadReport()
{
byte[] data = ... // Generate or fetch the file contents somehow
return File(data, "application/pdf", "AnnualReport.pdf");
}
public FileStreamResult ProxyExampleDotCom()
{
WebClient wc = new WebClient();
Stream stream = wc.OpenRead("http://www.example.com/");
return File(stream, "text/html");
} 

 JsonResult 返回json格式的数据；

public JsonResult GetJon()
{
	var jon =new {
            name="aa",
            code="123"
            };

	return Json(jon);
}

 JavaScriptResult 返回js事件； 

public JavaScriptResult SayHello()
{
      return JavaScript("alert('Hello, world!');");

} 

 EmptyResult 基本上什么也不做，给出一个空的响应； 

public EmptyResult ReturnNull()
{
     return null;

} 

    public class DemoController : Controller
    {
        /// <summary>
        /// http://localhost:1847/Demo/ContentResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult ContentResultDemo()
        {
            string contentString = "ContextResultDemo!";
            return Content(contentString);
        }
        /// <summary>
        /// http://localhost:1847/Demo/EmptyResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult EmptyResultDemo()
        {
            return  new EmptyResult();
        }
        /// <summary>
        /// http://localhost:1847/Demo/FileContentResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult FileContentResultDemo()
        {
            FileStream fs = new FileStream(Server.MapPath(@"/resource/Images/1.gif"), FileMode.Open, FileAccess.Read);
            byte[] buffer = new byte[Convert.ToInt32(fs.Length)];
            fs.Read(buffer, 0, Convert.ToInt32(fs.Length) );
            return File(buffer, @"image/gif");
        }
        /// <summary>
        /// http://localhost:1847/Demo/FilePathResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult FilePathResultDemo()
        {
            //可以将一个jpg格式的图像输出为gif格式
            return File(Server.MapPath(@"/resource/Images/2.jpg"), @"image/gif");
        }
        /// <summary>
        /// http://localhost:1847/Demo/FileStreamResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult FileStreamResultDemo()
        {            
            FileStream fs = new FileStream(Server.MapPath(@"/resource/Images/1.gif"), FileMode.Open, FileAccess.Read);
            return File(fs, @"image/gif");
        }
        /// <summary>
        /// http://localhost:1847/Demo/HttpUnauthorizedResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult HttpUnauthorizedResultDemo()
        {
            return new HttpUnauthorizedResult();
        }
        /// <summary>
        /// http://localhost:1847/Demo/JavaScriptResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult JavaScriptResultDemo()
        {
            return JavaScript(@"alert(""Test JavaScriptResultDemo!"")");
        }
        /// <summary>
        /// http://localhost:1847/Demo/JsonResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult JsonResultDemo()
        {
            var tempObj = new { Controller = "DemoController", Action = "JsonResultDemo" };
            return Json(tempObj);
        }
        /// <summary>
        /// http://localhost:1847/Demo/RedirectResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult RedirectResultDemo()
        {
            return Redirect(@"http://localhost:1847/Demo/ContentResultDemo");
        }
        /// <summary>
        /// http://localhost:1847/Demo/RedirectToRouteResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult RedirectToRouteResultDemo()
        {
            return RedirectToAction(@"FileStreamResultDemo");
        }
        /// <summary>
        /// http://localhost:1847/Demo/PartialViewResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult PartialViewResultDemo()
        {
            return PartialView();
        }
        /// <summary>
        /// http://localhost:1847/Demo/RedirectToRouteResultDemo
        /// </summary>
        /// <returns></returns>
        public ActionResult ViewResultDemo()
        {
            //如果没有传入View名称, 默认寻找与Action名称相同的View页面.
            return View();
        }
    }