从静态类使用ResolveUrl类似的方法？

Question

我正在构建Microsoft SharePoint 2010的WebPart。

我可以从静态类中使用哪种方法，它的功能与ResolveUrl相同？

Answer 1

http://www.west-wind.com/weblog/posts/2007/Sep/18/ResolveUrl-without-Page（在评论）

/// <summary> 
/// Returns a site relative HTTP path from a partial path starting out with a ~. 
/// Same syntax that ASP.Net internally supports but this method can be used 
/// outside of the Page framework. 
/// 
/// Works like Control.ResolveUrl including support for ~ syntax 
/// but returns an absolute URL. 
/// </summary> 
/// <param name="originalUrl">Any Url including those starting with ~</param> 
/// <returns>relative url</returns> 
public static string ResolveUrl(string originalUrl) 
{ 
    if (string.IsNullOrEmpty(originalUrl)) 
     return originalUrl; 

    // *** Absolute path - just return 
    if (IsAbsolutePath(originalUrl)) 
     return originalUrl; 

    // *** We don't start with the '~' -> we don't process the Url 
    if (!originalUrl.StartsWith("~")) 
     return originalUrl; 

    // *** Fix up path for ~ root app dir directory 
    // VirtualPathUtility blows up if there is a 
    // query string, so we have to account for this. 
    int queryStringStartIndex = originalUrl.IndexOf('?'); 
    if (queryStringStartIndex != -1) 
    { 
     string queryString = originalUrl.Substring(queryStringStartIndex); 
     string baseUrl = originalUrl.Substring(0, queryStringStartIndex); 

     return string.Concat(
      VirtualPathUtility.ToAbsolute(baseUrl), 
      queryString); 
    } 
    else 
    { 
     return VirtualPathUtility.ToAbsolute(originalUrl); 
    } 

} 

/// <summary> 
/// This method returns a fully qualified absolute server Url which includes 
/// the protocol, server, port in addition to the server relative Url. 
/// 
/// Works like Control.ResolveUrl including support for ~ syntax 
/// but returns an absolute URL. 
/// </summary> 
/// <param name="ServerUrl">Any Url, either App relative or fully qualified</param> 
/// <param name="forceHttps">if true forces the url to use https</param> 
/// <returns></returns> 
public static string ResolveServerUrl(string serverUrl, bool forceHttps) 
{ 
    if (string.IsNullOrEmpty(serverUrl)) 
     return serverUrl; 

    // *** Is it already an absolute Url? 
    if(IsAbsolutePath(serverUrl)) 
     return serverUrl; 

    string newServerUrl = ResolveUrl(serverUrl); 
    Uri result = new Uri(HttpContext.Current.Request.Url, newServerUrl); 

    if (!forceHttps) 
     return result.ToString(); 
    else 
     return ForceUriToHttps(result).ToString(); 

} 

/// <summary> 
/// This method returns a fully qualified absolute server Url which includes 
/// the protocol, server, port in addition to the server relative Url. 
/// 
/// It work like Page.ResolveUrl, but adds these to the beginning. 
/// This method is useful for generating Urls for AJAX methods 
/// </summary> 
/// <param name="ServerUrl">Any Url, either App relative or fully qualified</param> 
/// <returns></returns> 
public static string ResolveServerUrl(string serverUrl) 
{ 
    return ResolveServerUrl(serverUrl, false); 
} 

/// <summary> 
/// Forces the Uri to use https 
/// </summary> 
private static Uri ForceUriToHttps(Uri uri) 
{ 
    // ** Re-write Url using builder. 
    UriBuilder builder = new UriBuilder(uri); 
    builder.Scheme = Uri.UriSchemeHttps; 
    builder.Port = 443; 

    return builder.Uri; 
} 

private static bool IsAbsolutePath(string originalUrl) 
{ 
    // *** Absolute path - just return 
    int IndexOfSlashes = originalUrl.IndexOf("://"); 
    int IndexOfQuestionMarks = originalUrl.IndexOf("?"); 

    if (IndexOfSlashes > -1 && 
     (IndexOfQuestionMarks < 0 || 
      (IndexOfQuestionMarks > -1 && IndexOfQuestionMarks > IndexOfSlashes) 
     ) 
     ) 
     return true; 

    return false; 
} 

Answer 2

看看这个： http://msdn.microsoft.com/en-us/library/system.web.virtualpathutility.aspx 你可以以模拟功能