增强XmlSiteMapProvider功能
上篇随笔 所述的方法可以指定SiteMapPath控件使用指定目录,指定文件名的sitemap文件。但是如果遇到Transfer的页面或者带查询的页面参数时,内置的功能可能不能满足你的要求了,这时可以编写自已的Provider来实现,如下我编写一个JobXmlSiteMapProvider类,它继承于XmlSiteMapProvider类,其中须重写BuildSiteMap()方法,还有就是通过修改传入rawUrl来增强其适应Transfer的能力。
public class JobXmlSiteMapProvider : XmlSiteMapProvider
{
public override SiteMapNode BuildSiteMap()
{
return base.BuildSiteMap();
}
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public override SiteMapNode FindSiteMapNode(string rawUrl)
{
//针对Transfer页面进行优化
rawUrl = OptimizeTransferViewJob(rawUrl);
rawUrl = OptimizeTransferViewCompany(rawUrl);
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return base.FindSiteMapNode(rawUrl);
}
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public override SiteMapNode FindSiteMapNodeFromKey(string key)
{
return base.FindSiteMapNodeFromKey(key);
}
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/// <summary>
/// 针对Transfer ViewJob.aspx页面进行优化
/// </summary>
private string OptimizeTransferViewJob(string rawUrl)
{
HttpContext context = HttpContext.Current;
string urlToTransfer = context.Request.RawUrl;
string match = @"jobs\/([a-fA-F0-9]{32}|([a-fA-F0-9]{8})-([a-fA-F0-9]{4})-([a-fA-F0-9]{4})-([a-fA-F0-9]{4})-([a-fA-F0-9]{12}))\/viewjob.aspx";
//string replace = "Con001_ProjectManage/Job/viewjob.aspx?id=$1";
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//解决大小写问题
urlToTransfer = urlToTransfer.ToLower();
match = match.ToLower();
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string matchExpression = Globals.GetApplicationPath() + match;
Regex regEx = new Regex(matchExpression, RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.CultureInvariant | RegexOptions.Compiled);
if (regEx.IsMatch(urlToTransfer))
{
//rawUrl = Regex.Replace(urlToTransfer, match, replace);
rawUrl = Globals.GetApplicationPath() + "/Con001_ProjectManage/Job/viewjob.aspx";
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}
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return rawUrl;
}
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/// <summary>
/// 针对Transfer ViewCompany.aspx页面进行优化
/// </summary>
private string OptimizeTransferViewCompany(string rawUrl)
{
HttpContext context = HttpContext.Current;
string urlToTransfer = context.Request.RawUrl;
string match = @"Jobs\/([a-fA-F0-9]{32}|([a-fA-F0-9]{8})-([a-fA-F0-9]{4})-([a-fA-F0-9]{4})-([a-fA-F0-9]{4})-([a-fA-F0-9]{12}))\/viewcompany.aspx";
//string replace = "Con001_ProjectManage/Job/viewcompany.aspx?id=$1";
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//解决大小写问题
urlToTransfer = urlToTransfer.ToLower();
match = match.ToLower();
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string matchExpression = Globals.GetApplicationPath() + match;
Regex regEx = new Regex(matchExpression, RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.CultureInvariant | RegexOptions.Compiled);
if (regEx.IsMatch(urlToTransfer))
{
//如果请求路径符合正则表达式
//rawUrl = Regex.Replace(urlToTransfer, match, replace);
rawUrl = Globals.GetApplicationPath() + "Con001_ProjectManage/Job/viewcompany.aspx";
}
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return rawUrl;
}
另外还要修改一下Web.config文件,如:
<add siteMapFile="~/App_Data/Job.sitemap" name="JobXmlSiteMapProvider"
type="CSDN.Job.Components.JobXmlSiteMapProvider, CSDN.Job.Components" />
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另外还要修改一下Web.config文件,如:
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