/// <summary>
/// 分页获取数据
/// </summary>
/// <typeparam name="T">类型</typeparam>
/// <param name="key">key</param>
/// <param name="pageIndex">起始页</param>
/// <param name="pageSize">页记录数</param>
/// <param name="recordCount">返回记录总数</param>
/// <returns>返回对象列表</returns>
public static IList <T> GetDataList <T>(string key, int pageIndex, int pageSize, out int recordCount)
{
recordCount = 0; //返回记录数
//非法输入检查
if (string.IsNullOrWhiteSpace(key))
{
return(null);
}
int fromIndex = pageIndex - 1; //redis的index是从0开始的
int toIndex = pageSize - 1;
RedisKey rk = key.RedisProtobuf();
recordCount = rk.LstCount();
if (fromIndex > 0)
{
fromIndex = (fromIndex * toIndex) + (pageIndex - 1);
toIndex = fromIndex + toIndex;
}
if (fromIndex < 0)
{
fromIndex = 0;
}
IList <T> userlist = GetDataListByRange <T>(key, fromIndex, toIndex);
return(userlist);
}
