很多時候我們需要連結轉向(Url Rewriting),例如次層網域轉向、文章訪問連結等場合。
讓我們看兩個例子:
1 你現在看到的當前作者的部落格園的網域名稱:
http://heekui.cnblogs.com 實際上是 http://www.cnblogs.com/heekui 的一種連結重寫(Url Rewriting)。
2 codeproject上的文章,我們擷取的地址都是以文章主要關鍵字做的網頁名稱:
http://www.codeproject.com/cs/webservices/wsdlparser.asp
個人覺得實際的文章連結可能是如下格式(純屬猜想)
http://www.codeproject.com/news.asp?id=123456
那麼如何在Asp.net2.0中如何?連結重寫呢?
可以採用UrlRewritingNet.UrlRewriter.dll來輕鬆實現
UrlRewritingNet.UrlRewriter.dll 可從其官方網站下載:http://www.urlrewriting.net
我們要做的就是進行Web.Config檔案的設定
0 設定之前需要添加引用:UrlRewritingNet.UrlRewriter.dll
1 <configSections>間添加:
<configSections>
<section name="urlrewritingnet" restartOnExternalChanges="true" requirePermission="false" type="UrlRewritingNet.Configuration.UrlRewriteSection, UrlRewritingNet.UrlRewriter"/>
</configSections>
2 添加httpModules
<httpModules>
<add name="UrlRewriteModule" type="UrlRewritingNet.Web.UrlRewriteModule, UrlRewritingNet.UrlRewriter"/>
</httpModules>
3 添加連結重寫的設定
<urlrewritingnet rewriteOnlyVirtualUrls="true" contextItemsPrefix="QueryString" defaultPage="default.aspx" defaultProvider="RegEx" xmlns="http://www.urlrewriting.net/schemas/config/2006/07">
<rewrites>
<add name="Rewrite1" virtualUrl="^http\://(.*)/UrlRewritingTest/test.aspx" rewriteUrlParameter="ExcludeFromClientQueryString" destinationUrl="~/default.aspx" rewrite="Domain" ignoreCase="true"/>
<add name="Rewrite2" virtualUrl="^http\://(.*)/UrlRewritingTest/test1.aspx" rewriteUrlParameter="ExcludeFromClientQueryString" destinationUrl="~/info.aspx?year=2007&month=3&day=9" rewrite="Domain" ignoreCase="true"/>
</rewrites>
</urlrewritingnet>
完整的一個Web.Config檔案<?xml version="1.0"?>
<configuration>
<configSections>
<section name="urlrewritingnet" restartOnExternalChanges="true" requirePermission="false" type="UrlRewritingNet.Configuration.UrlRewriteSection, UrlRewritingNet.UrlRewriter"/>
</configSections>
<urlrewritingnet rewriteOnlyVirtualUrls="true" contextItemsPrefix="QueryString" defaultPage="default.aspx" defaultProvider="RegEx" xmlns="http://www.urlrewriting.net/schemas/config/2006/07">
<rewrites>
<add name="Rewrite1" virtualUrl="^http\://(.*)/UrlRewritingTest/test.aspx" rewriteUrlParameter="ExcludeFromClientQueryString" destinationUrl="~/default.aspx" rewrite="Domain" ignoreCase="true"/>
<add name="Rewrite2" virtualUrl="^http\://(.*)/UrlRewritingTest/test1.aspx" rewriteUrlParameter="ExcludeFromClientQueryString" destinationUrl="~/info.aspx?year=2007&month=3&day=9" rewrite="Domain" ignoreCase="true"/>
<add name="Rewrite3" virtualUrl="^http\://(.*)/UrlRewritingTest/test(\d{4})(\d{2})(\d{2}).aspx" rewriteUrlParameter="ExcludeFromClientQueryString" destinationUrl="~/info.aspx?year=$2&month=$3&day=$4" rewrite="Domain" ignoreCase="true"/>
<add name="Rewrite4" virtualUrl="^http\://(.*)/UrlRewritingTest/(\d{4})/(\d{2})/(\d{2})/info.aspx" rewriteUrlParameter="ExcludeFromClientQueryString" destinationUrl="~/info.aspx?year=$2&month=$3&day=$4" rewrite="Domain" ignoreCase="true"/>
<add name="Rewrite5" virtualUrl="^http\://(.*)/UrlRewritingTest/stock(\d{6}).aspx" rewriteUrlParameter="ExcludeFromClientQueryString" destinationUrl="~/stockinfo.aspx?code=$2" rewrite="Domain" ignoreCase="true"/>
</rewrites>
</urlrewritingnet>
<appSettings/>
<system.web>
<httpModules>
<add name="UrlRewriteModule" type="UrlRewritingNet.Web.UrlRewriteModule, UrlRewritingNet.UrlRewriter"/>
</httpModules>
<compilation debug="true"/>
</system.web>
</configuration>
樣本程式
我們做了一個按查詢字串的輸入顯示對應日期的頁面info.aspx protected void Page_Load(object sender, EventArgs e)
{
string strYear = Request.QueryString["year"].ToString();
string strMonth = Request.QueryString["month"].ToString();
string strDay = Request.QueryString["day"].ToString();
Response.Write(string.Format("你輸入的日期是{0}年{1}月{2}日",strYear,strMonth,strDay));
}
常規訪問方式:http://localhost/UrlRewritingTest/info.aspx?year=2007&month=03&day=08
頁面重寫方式1:http://localhost/UrlRewritingTest/test20070308.aspx
頁面重寫方式2:http://localhost/UrlRewritingTest/2007/03/08/info.aspx
大家可以看到實際的訪問效果是一致的。
樣本檔案中還有一個股票資訊查看的例子:
http://localhost/UrlRewritingTest/stock600616.aspx = http://localhost/UrlRewritingTest/stockinfo.aspx?code=600616
樣本程式下載:/Files/heekui/UrlRewritingTest.rar