ASP.NET MVC中Controller的使用Demo

ActionResult是ContentResult类、ViewResult类、JsonResult类等所有的Controller中返回值类型的基类

ASP.NET MVC中Controller的使用Demo

using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Mvc.Ajax;
using System.IO;

namespace DemoRC.Controllers
{
public class DemoController : Controller
{

/// <summary>
/// http://localhost:1847/Demo/ContentResultDemo /// </summary>
/// <returns></returns>
public ActionResult ContentResultDemo()
{
string contentString = "ContextResultDemo! 请查看 Controllers/DemoController.cs文件,里面包含所有类型ActionResult的用法.";
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 //mvc ajax脚本引入才会起作用
/// </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/ViewResultDemo /// </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();
}

}
}
</span>