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使用 ASP.NET-MVC 实现 WAP 站点

发布于 2024-08-07 00:41:49 字数 120 浏览 11 评论 0原文

我们计划使用 ASP.NET-MVC 实现 WAP 站点。

有人有这方面的经验吗？有什么陷阱吗？

我们还将为浏览器实现一个“标准”网站。是否可以拥有一组模型和控制器，并且每个站点都有单独的视图？

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听不够的曲调 2024-08-14 00:41:49

大多数情况下可以有一组模型和控制器。
实现方法是通过实现以下主题/模板引擎。
[主题支持][1]
我在主题/模板引擎之上支持了我的解决方案。

与文章源代码的主要偏差在于 Global.asax.cs 文件，您需要在其中添加以下代码行：

protected void Application_BeginRequest(Object Sender, EventArgs e)
{
  SetTheme();
}
//this will set the responses Content Type to xhtml and is necessary as C# sends the WML response header
protected void Application_PreSendRequestHeaders(Object Sender, EventArgs e)
{
  if (this.Context.Items["themeName"].ToString() == "xhtml")
  {
    this.Context.Response.ContentType = "application/vnd.wap.xhtml+xml";
  }
}

private void SetTheme()
{
  //set the content type for the ViewEngine to utilize. 

            HttpContext context = this.Context;
            MobileCapabilities currentCapabilities = (MobileCapabilities)context.Request.Browser;
            String prefMime = currentCapabilities.PreferredRenderingMime;

            string accept = context.Request.ServerVariables["HTTP_ACCEPT"];
            context.Items.Remove("theme");
            context.Items.Remove("themeName");

            if (accept.Contains("application/vnd.wap.xhtml+xml"))
            {
                context.Items.Add("themeName", "xhtml");
            }
            else if (prefMime == "text/vnd.wap.wml")
            {
                context.Items.Add("themeName", "WAP");
            }
            if (!context.Items.Contains("themeName"))
            {
                context.Items.Add("themeName", "Default");
            }
        }

我知道我必须进行一些代码更改才能使其与 MVC 1 兼容，但我不能记住确切的变化。
我遇到的另一个主要问题是调试输出。为此，我使用了带有扩展程序（[用户代理切换器][2]）的 Firefox，我已更改该扩展程序以向其中添加接受类型。

对于 WAP2/XHTML1.2，接受类型为：text/html,application/vnd.wap.xhtml+xml,application/xhtml+xml,application/xml;q=0.9,/;q= 0.8

显然，您需要母版页和内容页遵守 WML 或 XHTML1.2

[1]： http://frugalcoder.us/post/2008/11/13/ASPNet-MVC-Theming.aspx 主题支持

[2]：http://chrispederick.com/work/user-agent-switcher/ 用户代理切换器

It is possible to have for the most part a single set of models and controllers.
The way to do it will be via implementing the following Theming/Templating engine.
[Theming Support][1]
I piggy backed my solution on top of a Theming/Templating engine.

The major deviation from the article source is in the Global.asax.cs file where you need to add the following lines of code:

protected void Application_BeginRequest(Object Sender, EventArgs e)
{
  SetTheme();
}
//this will set the responses Content Type to xhtml and is necessary as C# sends the WML response header
protected void Application_PreSendRequestHeaders(Object Sender, EventArgs e)
{
  if (this.Context.Items["themeName"].ToString() == "xhtml")
  {
    this.Context.Response.ContentType = "application/vnd.wap.xhtml+xml";
  }
}

private void SetTheme()
{
  //set the content type for the ViewEngine to utilize. 

            HttpContext context = this.Context;
            MobileCapabilities currentCapabilities = (MobileCapabilities)context.Request.Browser;
            String prefMime = currentCapabilities.PreferredRenderingMime;

            string accept = context.Request.ServerVariables["HTTP_ACCEPT"];
            context.Items.Remove("theme");
            context.Items.Remove("themeName");

            if (accept.Contains("application/vnd.wap.xhtml+xml"))
            {
                context.Items.Add("themeName", "xhtml");
            }
            else if (prefMime == "text/vnd.wap.wml")
            {
                context.Items.Add("themeName", "WAP");
            }
            if (!context.Items.Contains("themeName"))
            {
                context.Items.Add("themeName", "Default");
            }
        }

I know I had to make a couple of code changes to make it MVC 1 compatible, but I can't remember the exact changes.
The other major problem I had was debugging the output. For this I used firefox with an extension ([User Agent Switcher][2]) that I've changed to add Accept Types to it.

For WAP2/XHTML1.2 the Accept Types are: text/html,application/vnd.wap.xhtml+xml,application/xhtml+xml,application/xml;q=0.9,/;q=0.8

Obviously you need your masterpage and content pages to adhere to WML or XHTML1.2

[1]: http://frugalcoder.us/post/2008/11/13/ASPNet-MVC-Theming.aspx Theming Support

[2]: http://chrispederick.com/work/user-agent-switcher/ User Agent Switcher

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