/// <summary>
/// 获取系统数据
/// </summary>
/// <param name="key"></param>
/// <remarks>需在网站根目录的App_Data存放指定格式的SysDataConfig.xml文件</remarks>
/// <returns></returns>
private static T GetSysData <T>(string key)
{
try
{
object obj = HttpRuntimeCache.Get(_sysDataConfigKey);
XElement xe = null;
if (obj == null)
{
xe = XElement.Load(UrlHelper.MapPath("~/App_Data/SysDataConfig.xml"));
//缓存一天
HttpRuntimeCache.SetCache(_sysDataConfigKey, xe, DateTime.Now.AddDays(1), System.Web.Caching.Cache.NoSlidingExpiration);
}
else
{
try { xe = (XElement)obj; }
catch { }
}
XElement elNodeIndexName = (from nodeIndexName in xe.Elements("item")
where nodeIndexName.Attribute("key").Value == key
select nodeIndexName).ElementAt(0);
string val = elNodeIndexName.Attribute("value").Value;
return(Common.ConvertValue <T>(val));
}
catch (Exception e)
{
throw new Exception(string.Format("系统数据配置出现错误，可能原因：在网站根目录App_Data文件夹下找不到SysDataConfig.xml文件,或文件内容格式错误。详细信息如下：{0}", e.Message), e);
}
}
/// <summary>
/// 得到AppSettings中的配置字符串信息
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
private static string GetConfigString(string key)
{
string CacheKey = "AppSettings-" + key;
object objModel = HttpRuntimeCache.Get(CacheKey);
if (objModel == null)
{
try
{
objModel = ConfigurationManager.AppSettings[key];
if (objModel != null)
{
HttpRuntimeCache.SetCache(CacheKey, objModel, DateTime.Now.AddMinutes(180), TimeSpan.Zero);
}
}
catch
{ }
}
return(objModel.ToString());
}
