学习ASP.NET MVC(三) Controller/Action 深入解析与应用实例

五.实例应用

1.添加Controller

安装了ASP.NET MVC后, 在项目上点击右键会找到添加Controller项:

2.添加Action

下面这个类提供了返回各种类型的ActionResult的Action实例:

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/Dem