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asp.NETMVC:如何将非www重定向到www,反之亦然

asp.net-mvc-2 iis c#

Luke101 · 技术社区 · 14 年前

我想将所有www流量重定向到非www流量

<system.webServer> / <rewrite> / <rules> 

<rule name="Remove WWW prefix" > 
<match url="(.*)" ignoreCase="true" /> 
<conditions> 
<add input="{HTTP_HOST}" pattern="^www\.domain\.com" /> 
</conditions> 
<action type="Redirect" url="http://domain.com/{R:1}" 
    redirectType="Permanent" /> 
</rule>

根据这篇文章

How to redirect with "www" URL's to without "www" URL's or vice-versa?

但我有一个500的内部服务器错误。

7 回复 | 直到 7 年前

user151323 user151323 14 年前

您可以考虑另一种方法:

protected void Application_BeginRequest (object sender, EventArgs e)
{
   if (!Request.Url.Host.StartsWith ("www") && !Request.Url.IsLoopback)
   {
      UriBuilder builder = new UriBuilder (Request.Url);
      builder.Host = "www." + Request.Url.Host;
      Response.Redirect (builder.ToString (), true);
   }
}

不过,这将执行302重定向,因此建议进行一些调整:

protected void Application_BeginRequest (object sender, EventArgs e)
{
   if (!Request.Url.Host.StartsWith ("www") && !Request.Url.IsLoopback)
   {
      UriBuilder builder = new UriBuilder (Request.Url);
      builder.Host = "www." + Request.Url.Host;
      Response.StatusCode = 301;
      Response.AddHeader ("Location", builder.ToString ());
      Response.End ();
   }
}

这个会永久性的返回。

Chase Florell 14 年前

如果您直接复制了它,那么web.config中的标记就不正确

你需要

<system.webServer> 
    <rewrite>
      <rules>
        <rule name="Remove WWW prefix" > 
        <match url="(.*)" ignoreCase="true" /> 
        <conditions> 
        <add input="{HTTP_HOST}" pattern="^www\.domain\.com" /> 
        </conditions> 
        <action type="Redirect" url="http://domain.com/{R:1}" 
            redirectType="Permanent" /> 
        </rule> 
      </rules>
    </rewrite>
<system.webServer>

上面写着

<system.webServer> / <rewrite> / <rules>

<system.webServer>

确保你先有 URL Rewrite module

上面的页面讨论了将HTTP重定向到HTTPS,但是这个概念仍然适用于WWW到非WWW

还有,这里有一些 detailed information

z3nd3v 12 年前

    **For a www to a non www Thanks @developerart**

protected void Application_BeginRequest(object sender, EventArgs e)
    {
        if (Request.Url.Host.StartsWith("www") && !Request.Url.IsLoopback)
        {
            UriBuilder builder = new UriBuilder(Request.Url);
            builder.Host = Request.Url.Host.Replace("www.","");
            Response.StatusCode = 301;
            Response.AddHeader("Location", builder.ToString());
            Response.End();
        }
    }

Konstantin Tarkus 11 年前

protected void Application_BeginRequest(object sender, EventArgs e)
{
    if (!this.Request.Url.Host.StartsWith("www") && !this.Request.Url.IsLoopback)
    {
        var url = new UriBuilder(this.Request.Url);
        url.Host = "www." + this.Request.Url.Host;
        this.Response.RedirectPermanent(url.ToString(), endResponse: true);
    }
}

Serj Sagan 8 年前

以用户151323的答案为基础,这里给出了Azure用户的完整答案,这些用户还希望阻止用户从 azurewebsites.net 子域(这进入你的 Global.asax MvcApplication 对于MVC用户):

    protected void Application_BeginRequest(object sender, EventArgs e)
    {
        if (Request.Url.Host.StartsWith("YourSite.azurewebsites") && !Request.Url.IsLoopback)
        {
            Response.StatusCode = 301;
            Response.AddHeader("Location", "www.YourSite.com");
            Response.End();

            return;
        }


        if (!Request.Url.Host.StartsWith("www") && !Request.Url.IsLoopback)
        {
            UriBuilder builder = new UriBuilder(Request.Url);
            builder.Host = "www." + Request.Url.Host;
            Response.StatusCode = 301;
            Response.AddHeader("Location", builder.ToString());
            Response.End();
        }
    }

Ergin Çelik 7 年前

<system.webServer>
  <!-- For force ssl and www -->
  <rewrite>
    <rules>
      <!-- For force ssl -->
      <rule name="http to https" stopProcessing="true">
        <match url="(.*)" />
        <conditions>
          <add input="{HTTPS}" pattern="^OFF$" />
        </conditions>
        <action type="Redirect" url="https://{HTTP_HOST}/{R:1}" redirectType="Permanent" />
      </rule>
      <!-- For force ssl -->
      <!-- For force www -->
      <rule name="redirect to www" stopProcessing="true">
        <match url="(.*)" />
        <conditions>
          <add input="{HTTP_HOST}"  pattern="^example\.com$" />
        </conditions>
        <action type="Redirect" url="https://www.{HTTP_HOST}/{R:0}" redirectType="Permanent" />
      </rule>
      <!-- For force www -->
    </rules>
  </rewrite>
  <!-- For force ssl and www -->
</system.webServer>

Sarel Esterhuizen 9 年前

protected void Application_BeginRequest(
        object sender,
        EventArgs e)
    {
        if (!Request.IsLocal)
        {
            // Do your check for naked domain here and do permanent redirect
        }
    }

Manjunath Bilwar 3 年前

此规则将起作用,但请注意,只有在IIS服务器上安装了URL重写时,此规则才起作用。如果您的IIS服务器上未安装URL重写,则此规则将不起作用。

要在服务器上安装URL重写,请访问此官方网站 link 在服务器上下载并安装扩展。然后重启IIS服务器,它就可以工作了。

URL重写扩展官方网站链接: https://www.iis.net/downloads/microsoft/url-rewrite

<rewrite>
            <rules>
                <rule name="Redirect yourdomainname.com to http://www.yourdomainname.com HTTP" patternSyntax="ECMAScript" stopProcessing="true">
                    <match url=".*"></match>
                    <conditions>
                        <add input="{HTTP_HOST}" pattern="^yourdomainname.com$"></add>
                        <add input="{HTTPS}" pattern="off"></add>
                    </conditions>
                    <action type="Redirect" url="http://www.yourdomainname.com/{R:0}" redirectType="Permanent" appendQueryString="true"></action>
                </rule>
            </rules>
        </rewrite>