/// <summary>
///通过用户编号或用户名称获取用户信息
/// </summary>
/// <param name="userID">用户编号</param>
/// <param name="username">用户名称</param>
/// <param name="isOnline">是否在线：修改LastActiveTime</param>
/// <param name="useCache">是否从缓存读取</param>
/// <returns>用户信息</returns>
public static User GetUser(int userID, string username, bool isOnline, bool useCache)
{
User user = null;
string cacheKey = (userID > 0) ? CacheKeyManager.GetUserKey(userID) : CacheKeyManager.GetUserKey(username);
if (useCache)
{
if (HttpContext.Current != null)
{
user = HttpContext.Current.Items[cacheKey] as User;
}
if (user != null)
{
return(user);
}
user = HHCache.Instance.Get(cacheKey) as User;
}
if (user == null)
{
user = CommonDataProvider.Instance.GetUser(userID, username, isOnline);
if (!useCache)
{
return(user);
}
if (HttpContext.Current != null)
{
HttpContext.Current.Items[cacheKey] = user;
}
AddCachedUser(user);
}
return(user);
}
/// <summary>
/// 添加用户到缓存
/// </summary>
/// <param name="user"></param>
internal static void AddCachedUser(User user)
{
if (user != null)
{
HHCache.Instance.Insert(CacheKeyManager.GetUserKey(user.UserID), user);
HHCache.Instance.Insert(CacheKeyManager.GetUserKey(user.UserName), user);
}
}
/// <summary>
/// 刷新用户缓存信息
/// </summary>
/// <param name="user"></param>
internal static void RefreshCachedUser(User user)
{
if (user != null)
{
HHCache.Instance.Remove(CacheKeyManager.GetUserKey(user.UserID));
HHCache.Instance.Remove(CacheKeyManager.GetUserKey(user.UserName));
}
HHCache.Instance.Remove(CacheKeyManager.UserListPrefix);
}
