google了以后终于弄清楚了这个的作用，发现这个东西确实非常实用，且功能强大，能够压缩合并js和css，但是目前的使用起来不是特别好，如果添加js或者css文件的话，需要修改bundleconfig的代码。
public class bundleconfig
{
public static string bundleconfigpath = "~/config/bundleconfig.xml";
/// <summary>
/// register bundles from xml
/// </summary>
/// <param name="bundles"></param>
public static void registerbundles(bundlecollection bundles)
{
xmldocument doc = new xmldocument();
doc.load(httpcontext.current.server.mappath(bundleconfigpath));
xmlnode root = doc.documentelement;
// regester script
xmlnodelist scriptlist = root.selectnodes("scripts/script");
if (scriptlist != null && scriptlist.count > 0)
{
foreach (xmlnode node in scriptlist)
{
string path = checknoderegedit(node);
if (string.isnullorempty(path)) continue;
var bound = new scriptbundle(path);
list<string> files = getfilesformnode(node);
if (files.count > 0)
{
bound.include(files.toarray());
bundles.add(bound);
}
}
}
// regester style
xmlnodelist stylelist = root.selectnodes("styles/style");
if (stylelist != null && stylelist.count > 0)
{
foreach (xmlnode node in stylelist)
{
string path = checknoderegedit(node);
if (string.isnullorempty(path)) continue;
var bound = new stylebundle(path);
list<string> files = getfilesformnode(node);
if (files.count > 0)
{
bound.include(files.toarray());
bundles.add(bound);
}
}
}
doc = null;
}
/// <summary>
/// 如果内容为空则不添加
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
private static list<string> getfilesformnode(xmlnode node)
{
list<string> files = new list<string>();
foreach (xmlnode nodefile in node.childnodes)
{
if (!string.isnullorempty(nodefile.innertext.trim()))
files.add(nodefile.innertext.trim());
}
return files;
}
/// <summary>
/// 检查注册的node
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
private static string checknoderegedit(xmlnode node)
{
xmlattribute pathatt = node.attributes["path"];
string path = string.empty;
if (pathatt == null || string.isnullorempty(pathatt.value.trim()) || node.childnodes.count == 0)
return string.empty;
else
return pathatt.value.trim();
}
}
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