Asp.net mvc 自定义ViewEngine ASP.NET MVC 3
我正在为asp.net mvc的自定义viewengine寻找最简单的解决方案。这样我就可以越过这条路去看风景了 实际上,我正在尝试在我的解决方案中构建一个主题系统。我浏览了一下网页,但找到了一个很难学习和实现的解决方案Asp.net mvc 自定义ViewEngine ASP.NET MVC 3,asp.net-mvc,asp.net-mvc-3,viewengine,Asp.net Mvc,Asp.net Mvc 3,Viewengine,我正在为asp.net mvc的自定义viewengine寻找最简单的解决方案。这样我就可以越过这条路去看风景了 实际上,我正在尝试在我的解决方案中构建一个主题系统。我浏览了一下网页,但找到了一个很难学习和实现的解决方案 谢谢这是我用的。它在主题文件夹中查找视图。在构造函数的第一行中设置主题名称。它还支持移动视图,但您需要51度的Mobi来为您提供移动浏览器的详细信息 using System; using System.Collections.Generic; using System.Web
谢谢这是我用的。它在主题文件夹中查找视图。在构造函数的第一行中设置主题名称。它还支持移动视图,但您需要51度的Mobi来为您提供移动浏览器的详细信息
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.Mvc;
namespace Milkshake.Commerce.MvcClient.ViewEngines
{
/// <summary>
/// Milkshake Commerce specific ViewEngine.
/// </summary>
public class MilkshakeViewEngine : WebFormViewEngine
{
/// <summary>
/// Initializes a new instance of the <see cref="MilkshakeViewEngine"/> class.
/// </summary>
public MilkshakeViewEngine()
{
string themeName = AppData.ThemeName;
var masterLocationFormats = new List<string>();
masterLocationFormats.Add("~/Views/Themes/" + themeName + "/{0}.master");
masterLocationFormats.AddRange(MasterLocationFormats);
MasterLocationFormats = masterLocationFormats.ToArray();
var partialViewLocationFormats = new List<string>();
partialViewLocationFormats.Add("~/Views/Themes/" + themeName + "/{1}/{0}.aspx");
partialViewLocationFormats.Add("~/Views/Themes/" + themeName + "/{1}/{0}.ascx");
partialViewLocationFormats.Add("~/Views/Themes/" + themeName + "/{0}.aspx");
partialViewLocationFormats.Add("~/Views/Themes/" + themeName + "/{0}.ascx");
partialViewLocationFormats.AddRange(PartialViewLocationFormats);
PartialViewLocationFormats = partialViewLocationFormats.ToArray();
var viewLocationFormats = new List<string>();
viewLocationFormats.Add("~/Views/Themes/" + themeName + "/{1}/{0}.aspx");
viewLocationFormats.Add("~/Views/Themes/" + themeName + "/{1}/{0}.ascx");
viewLocationFormats.Add("~/Views/Themes/" + themeName + "/{0}.aspx");
viewLocationFormats.Add("~/Views/Themes/" + themeName + "/{0}.ascx");
viewLocationFormats.AddRange(ViewLocationFormats);
ViewLocationFormats = viewLocationFormats.ToArray();
}
/// <summary>
/// Gets the user-selected <see cref="UserExperiences"/> setting, or returns the defualt if no experience has been selected.
/// </summary>
/// <returns>Returns the user experience selected by the user.</returns>
public static UserExperiences GetUserExperienceSelected()
{
HttpContext context = HttpContext.Current;
UserExperiences userExperience = context.Request.Browser.IsMobileDevice ? UserExperiences.Mobile : UserExperiences.Desktop;
var userExperienceCookie = context.Request.Cookies["UserExperience"];
if (userExperienceCookie != null)
{
if (!String.IsNullOrWhiteSpace(userExperienceCookie.Value))
{
Enum.TryParse<UserExperiences>(userExperienceCookie.Value, out userExperience);
}
}
else
{
SetUserExperience(userExperience);
}
return userExperience;
}
/// <summary>
/// Sets the user experience cookie.
/// </summary>
/// <param name="experience">The user experience.</param>
public static void SetUserExperience(UserExperiences experience)
{
HttpContext context = HttpContext.Current;
HttpCookie userExperienceCookie = context.Request.Cookies["UserExperience"];
if (userExperienceCookie == null)
{
userExperienceCookie = new HttpCookie("UserExperience");
}
userExperienceCookie.Value = experience.ToString();
userExperienceCookie.Path = "/";
userExperienceCookie.Expires = DateTime.UtcNow.AddDays(30);
context.Response.Cookies.Add(userExperienceCookie);
}
/// <summary>
/// Finds the specified view by using the specified controller context and master view name.
/// </summary>
/// <remarks>This override is used to determine if the browser is a mobile phone.
/// If so, and it is supported, we add the phone specific folder/view name to the existing viewname,
/// which forces the ViewManager to find a Theme specific mobile view (specific for that phone), or just use the built in mobile view.</remarks>
/// <param name="controllerContext">The controller context.</param>
/// <param name="viewName">The name of the view.</param>
/// <param name="masterName">The name of the master view.</param>
/// <param name="useCache">true to use the cached view.</param>
/// <returns>The page view.</returns>
/// <exception cref="T:System.ArgumentNullException">The <paramref name="controllerContext"/> parameter is null (Nothing in Visual Basic).</exception>
/// <exception cref="T:System.ArgumentException">The <paramref name="viewName"/> parameter is null or empty.</exception>
public override ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName, bool useCache)
{
ViewEngineResult result = null;
var request = controllerContext.HttpContext.Request;
var userExperience = GetUserExperienceSelected();
// Avoid unnecessary checks if this device isn't suspected to be a mobile device
if (userExperience == UserExperiences.Mobile)
{
masterName = "Mobile/Mobile";
result = base.FindView(controllerContext, "Mobile/" + viewName, masterName, useCache);
}
// Fall back to desktop view if no other view has been selected
if (result == null || result.View == null)
{
result = base.FindView(controllerContext, viewName, masterName, useCache);
}
return result;
}
/// <summary>
/// Adds the default mobile location formats.
/// </summary>
/// <param name="defaultLocationFormats">The default location formats.</param>
/// <param name="viewLocationFormats">The view location formats.</param>
private void AddDefaultMobileLocationFormats(string[] defaultLocationFormats, List<string> viewLocationFormats)
{
var mobileViewLocationFormats = new List<string>();
foreach (var item in defaultLocationFormats)
{
if (item.Contains("Views/{1}/{0}"))
{
mobileViewLocationFormats.Add(item.Replace("/{1}/{0}", "/{1}/Mobile/{0}"));
}
else if (item.Contains("Views/Shared/{0}"))
{
mobileViewLocationFormats.Add(item.Replace("/Shared/{0}", "/Shared/Mobile/{0}"));
}
}
viewLocationFormats.AddRange(mobileViewLocationFormats);
}
}
}
使用系统;
使用System.Collections.Generic;
使用System.Web;
使用System.Web.Mvc;
命名空间Milkshake.Commerce.MvcClient.ViewEngines
{
///
///奶昔电子商务特定的视图引擎。
///
公共类奶昔引擎:WebFormViewEngine
{
///
///初始化类的新实例。
///
公共奶昔发动机()
{
字符串themeName=AppData.themeName;
var masterLocationFormats=新列表();
添加(“~/Views/Themes/”+themeName+“/{0}.master”);
masterLocationFormats.AddRange(masterLocationFormats);
MasterLocationFormats=MasterLocationFormats.ToArray();
var partialViewLocationFormats=新列表();
添加(“~/Views/Themes/”+themeName+“/{1}/{0}.aspx”);
添加(“~/Views/Themes/”+themeName+“/{1}/{0}.ascx”);
添加(“~/Views/Themes/”+themeName+“/{0}.aspx”);
添加(“~/Views/Themes/”+themeName+“/{0}.ascx”);
AddRange(partialViewLocationFormats);
PartialViewLocationFormats=PartialViewLocationFormats.ToArray();
var viewLocationFormats=新列表();
添加(“~/Views/Themes/”+themeName+“/{1}/{0}.aspx”);
添加(“~/Views/Themes/”+themeName+“/{1}/{0}.ascx”);
添加(“~/Views/Themes/”+themeName+“/{0}.aspx”);
添加(“~/Views/Themes/”+themeName+“/{0}.ascx”);
viewLocationFormats.AddRange(viewLocationFormats);
ViewLocationFormats=ViewLocationFormats.ToArray();
}
///
///获取用户选择的设置,如果未选择体验,则返回解除。
///
///返回用户选择的用户体验。
公共静态用户体验GetUserExperienceSelected()
{
HttpContext=HttpContext.Current;
UserExperiences userExperience=context.Request.Browser.IsMobileDevice?UserExperiences.Mobile:UserExperiences.Desktop;
var userExperienceCookie=context.Request.Cookies[“UserExperience”];
if(userExperienceCookie!=null)
{
如果(!String.IsNullOrWhiteSpace(userExperienceCookie.Value))
{
Enum.TryParse(userExperienceCookie.Value,out userExperience);
}
}
其他的
{
SetUserExperience(用户体验);
}
返回用户体验;
}
///
///设置用户体验cookie。
///
///用户体验。
公共静态void SetUserExperience(用户体验)
{
HttpContext=HttpContext.Current;
HttpCookie userExperienceCookie=context.Request.Cookies[“UserExperience”];
if(userExperienceCookie==null)
{
userExperienceCookie=新的HttpCookie(“UserExperience”);
}
userExperienceCookie.Value=experience.ToString();
userExperienceCookie.Path=“/”;
userExperienceCookie.Expires=DateTime.UtcNow.AddDays(30);
context.Response.Cookies.Add(userExperienceCookie);
}
///
///使用指定的控制器上下文和主视图名称查找指定的视图。
///
///此替代用于确定浏览器是否为移动电话。
///如果支持,我们会将特定于手机的文件夹/视图名称添加到现有的视图名称中,
///这会强制ViewManager查找特定于主题的移动视图(特定于该手机),或仅使用内置的移动视图。
///控制器上下文。
///视图的名称。
///主视图的名称。
///true以使用缓存视图。
///页面视图。
///参数为null(在Visual Basic中为空)。
///参数为null或为空。
public override ViewEngineResult FindView(ControllerContext ControllerContext、string viewName、string masterName、bool useCache)
{
ViewEngineResult结果=空;
var request=controllerContext.HttpContext.request;
var userExperience=GetUserExperienceSelected();
//如果未怀疑此设备是移动设备,请避免不必要的检查
if(userExperience==UserExperiences.Mobile)
{
masterName=“移动/移动”;
结果=base.FindView(controllerContext,“Mobile/”+视图名、masterName、useCache);
}
//如果未选择其他视图,则返回到桌面视图
if(result==null | | result.View==null)
{
结果=base.FindView(controllerContext、viewName、masterName、useCache);
}
返回结果;
}
///
///添加默认移动位置格式。
///
///默认位置格式。
///查看位置格式。
私有void AddDefaultMobileLocationFormats(字符串[]默认值