/// <summary>
/// 处理资源的请求
/// </summary>
/// <param name="context">Http请求上下文</param>
public void ProcessRequest(HttpContext context)
{
string type = String.Empty, typeValue = String.Empty;
if (!String.IsNullOrEmpty(typeValue = context.Request["icon"]))
{
type = "icon";
}
//else if (!String.IsNullOrEmpty(typeValue = context.Request["js"]))
//{
// type = "js";
//}
//else if (!String.IsNullOrEmpty(typeValue = context.Request["lang"]))
//{
// type = "lang";
//}
//else if (!String.IsNullOrEmpty(typeValue = context.Request["theme"]))
//{
// type = "theme";
//}
//else if (!String.IsNullOrEmpty(typeValue = context.Request["css"]))
//{
// type = "css";
//}
//else if (!String.IsNullOrEmpty(typeValue = context.Request["image"]))
//{
// type = "image";
//}
//string resName = "ExtAspNet.";
switch (type)
{
case "icon":
if (!typeValue.EndsWith(".png") && !typeValue.EndsWith(".gif"))
{
typeValue = IconHelper.GetName((Icon)Enum.Parse(typeof(Icon), typeValue));
}
//resName += "res.icon." + typeValue;
string serverPath = String.Format("{0}/{1}", GlobalConfig.GetIconBasePath(), typeValue);
context.Response.WriteFile(context.Server.MapPath(serverPath));
context.Response.ContentType = "image/" + GetImageFormat(typeValue);
break;
}
// 缓存一年，只能通过改变 URL 来强制更新缓存
context.Response.Cache.SetExpires(DateTime.Now.AddYears(1));
context.Response.Cache.SetCacheability(HttpCacheability.Public);
}
/// <summary>
/// 获得图标的服务器地址
/// </summary>
/// <param name="icon">图标</param>
/// <returns>图标的服务器地址</returns>
public static string GetIconUrl(Icon icon)
{
//return ResourceHelper.GetWebResourceUrl(String.Format("ExtAspNet.res.icon.{0}", IconHelper.GetName(icon)));
if (icon == Icon.None)
{
return(String.Empty);
}
else
{
return(String.Format("{0}/{1}", GlobalConfig.GetIconBasePath(), IconHelper.GetName(icon)));
}
}
