/// <summary>
/// 获取公告(前台)
/// </summary>
/// <param name="pageSize">pageSize</param>
/// <param name="pageIndex">pageIndex</param>
/// <returns></returns>
public PagingDataSet <Announcement> Gets(int pageSize = 20, int pageIndex = 1)
{
//使用全局缓存
Sql sql = Sql.Builder;
sql.Select("Id")
.From("spb_Announcements")
.Where("ReleaseDate <= @0 and ExpiredDate >= @1", DateTime.UtcNow.ToLocalTime(), DateTime.UtcNow.ToLocalTime())
.OrderBy("DisplayOrder desc");
return(GetPagingEntities(pageSize, pageIndex, Caching.CachingExpirationType.UsualObjectCollection, () =>
{
return string.Format("Announcement::GlobalVersion-{0};", RealTimeCacheHelper.GetGlobalVersion());
}, () =>
{
return sql;
}));
}
/// <summary>
/// 根据展示区域获取公告
/// </summary>
/// <param name="displayArea">展示区域</param>
/// <returns></returns>
public IEnumerable <Announcement> Gets(string displayArea)
{
Sql sql = Sql.Builder;
sql.Select("*")
.From("spb_Announcements")
.Where("ReleaseDate <= @0 and ExpiredDate >= @1 and DisplayArea like @2", DateTime.UtcNow.ToLocalTime(), DateTime.UtcNow.ToLocalTime(), "%" + displayArea + "%")
.OrderBy("DisplayOrder desc");
return(base.GetTopEntities(1000, Caching.CachingExpirationType.UsualObjectCollection, () =>
{
return string.Format("Announcement::GlobalVersion-{0};displayArea-{1};", RealTimeCacheHelper.GetGlobalVersion(), displayArea);
}, () =>
{
return sql;
}));
}