using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Mvc.Ajax;
using System.IO;
namespace MVC.Controllers
{
/// <summary>
/// Controller 类必须以字符串 "Controller" 做类名称的结尾，字符串 Controller 之前的字符串为 Controller 的名称，类中的方法名为 Action 的名称
/// </summary>
public class ControllerDemoController : Controller
{
/// <summary>
/// Action 可以没有返回值
/// </summary>
public void Void()
{
Response.Write(string.Format("<span style='color: red'>{0}</span>", "void"));
}
/// <summary>
/// 如果 Action 要有返回值的话，其类型必须是 ActionResult
/// EmptyResult - 空结果
/// </summary>
public ActionResult EmptyResult()
{
Response.Write(string.Format("<span style='color: red'>{0}</span>", "EmptyResult"));
return new EmptyResult();
}
/// <summary>
/// Controller.Redirect() - 转向一个指定的 url 地址
/// 返回类型为 RedirectResult
/// </summary>
public ActionResult RedirectResult()
{
return base.Redirect("~/ControllerDemo/ContentResult");
}
/// <summary>
/// Controller.RedirectToAction() - 转向到指定的 Action
/// 返回类型为 RedirectToRouteResult
/// </summary>
public ActionResult RedirectToRouteResult()
{
return base.RedirectToAction("ContentResult");
}
/// <summary>
/// Controller.Json() - 将指定的对象以 JSON 格式输出出来
/// 返回类型为 JsonResult
/// </summary>
public ActionResult JsonResult(string name)
{
System.Threading.Thread.Sleep(1000);
var jsonObj = new { Name = name, Age = new Random().Next(20, 31) };
return base.Json(jsonObj);
}
/// <summary>
/// Controller.JavaScript() - 输出一段指定的 JavaScript 脚本
/// 返回类型为 JavaScriptResult
/// </summary>
public ActionResult JavaScriptResult()
{
return base.JavaScript("alert('JavaScriptResult')");
}
/// <summary>
/// Controller.Content() - 输出一段指定的内容
/// 返回类型为 ContentResult
/// </summary>
public ActionResult ContentResult()
{
string contentString = string.Format("<span style='color: red'>{0}</span>", "ContentResult");
return base.Content(contentString);
}
/// <summary>
/// Controller.File() - 输出一个文件（字节数组）
/// 返回类型为 FileContentResult
/// </summary>
public ActionResult FileContentResult()
{
FileStream fs = new FileStream(Request.PhysicalApplicationPath + "Content/loading.gif", FileMode.Open);
int length = (int)fs.Length;
byte[] buffer = new byte[length];
fs.Read(buffer, 0, length);
fs.Close();
return base.File(buffer, "image/gif");
}
/// Controller.File() - 输出一个文件（文件地址）
/// 返回类型为 FileContentResult
/// </summary>
public ActionResult FilePathResult()
{
var path = Request.PhysicalApplicationPath + "Content/loading.gif";
return base.File(path, "image/gif");
}
/// Controller.File() - 输出一个文件（文件流）
/// 返回类型为 FileContentResult
/// </summary>
public ActionResult FileStreamResult()
{
FileStream fs = new FileStream(Request.PhysicalApplicationPath + "Content/loading.gif", FileMode.Open);
return base.File(fs, @"image/gif");
}
/// <summary>
/// HttpUnauthorizedResult - 响应给客户端错误代码 401（未经授权浏览状态），如果程序启用了 Forms 验证，并且客户端没有任何身份票据，则会跳转到指定的登录页
/// </summary>
public ActionResult HttpUnauthorizedResult()
{
return new HttpUnauthorizedResult();
}
/// <summary>
/// Controller.PartialView() - 寻找 View ，即 .ascx 文件
/// 返回类型为 PartialViewResult
/// </summary>
public ActionResult PartialViewResult()
{
return base.PartialView();
}
/// <summary>
/// Controller.View() - 寻找 View ，即 .aspx 文件
/// 返回类型为 ViewResult
/// </summary>
public ActionResult ViewResult()
{
return base.View();
}
/// <summary>
/// 用于演示处理 JSON 的
/// </summary>
public ActionResult JsonDemo()
{
return View();
}
/// <summary>
/// 用于演示上传文件的
/// </summary>
public ActionResult UploadDemo()
{
return View();
}
/// <summary>
/// 用于演示 Get 方式调用 Action
/// id 是根据路由过来的；param1和param2是根据参数过来的
/// </summary>
[AcceptVerbs(HttpVerbs.Get)]
public ActionResult GetDemo(int id, string param1, string param2)
{
ViewData["ID"] = id;
ViewData["Param1"] = param1;
ViewData["Param2"] = param2;
return View();
}
/// <summary>
/// 用于演示 Post 方式调用 Action
/// </summary>
/// <remarks>
/// 可以为参数添加声明，如：[Bind(Include = "xxx")] - 只绑定指定的属性（参数），多个用逗号隔开
/// [Bind(Exclude = "xxx")] - 不绑定指定的属性（参数），多个用逗号隔开
/// [Bind] 声明同样可以作用于 class 上
/// </remarks>
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult PostDemo(FormCollection fc)
{
ViewData["Param1"] = fc["param1"];
ViewData["Param2"] = fc["param2"];
return View("GetDemo");
}
/// <summary>
/// 处理上传文件的 Action
/// </summary>
/// <param name="file1">与传过来的 file 类型的 input 的 name 相对应</param>
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult UploadFile(HttpPostedFileBase file1)
{
string targetPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory + "Upload", Path.GetFileName(file1.FileName));
file1.SaveAs(targetPath);
return View("UploadDemo");
}
}
}