public virtual void PostResolveRequestCache(HttpContextBase context)
{
//1.传入当前上下文对象，得到与当前请求匹配的RouteData对象
MyRouteData routeData = RouteCollection.GetRouteData(context);
if (routeData == null)
{
return;
}
//2.从RouteData对象里面得到当前的RouteHandler对象。
IMyRouteHandler routeHandler = routeData.RouteHandler;
if (routeHandler == null)
{
return;
}
//3.根据RequestContext对象得到处理当前请求的HttpHandler（MvcHandler）。
IHttpHandler httpHandler = routeHandler.GetHttpHandler(routeData, context);
if (httpHandler == null)
{
return;
}
//4.请求转到HttpHandler进行处理（进入到ProcessRequest方法）。这一步很重要，由这一步开始，请求才由UrlRoutingModule转到了MvcHandler里面
context.RemapHandler(httpHandler);
}
//在全局配置里面写入路由规则以及默认配置
public MyRoute(string url, Dictionary <string, object> defaultPath, IMyRouteHandler routeHandler)
{
TemplateUrl = url;
DefaultPath = defaultPath;
RouteHandler = routeHandler;
}
