/// <summary>
/// 设置对象到请求唯一缓存
/// </summary>
/// <param name="key"></param>
/// <param name="theObject"></param>
public static void SetToCallContext(ContextKey key, object theObject)
{
CallContext.SetData(key.Description(), theObject);
}
/// <summary>
/// 获取请求线程内的唯一缓存对象
/// </summary>
public static T GetFromCallContext <T>(ContextKey key)
{
return((T)CallContext.GetData(key.Description()));
}