/// <summary>
/// 清空数据库
/// </summary>
public void ClearLotteryDB()
{
using (var lotterysEntities = new LotterysEntities())
{
foreach (Lottery lottery in lotterysEntities.Lotterys)
{
lotterysEntities.Lotterys.Remove(lottery);
}
lotterysEntities.SaveChanges();
}
}
private void loadLotteryData(int perPage, int pageNo)
{
using (var lotterysEntities = new LotterysEntities())
{
var ls = lotterysEntities.Lotterys.OrderByDescending(l => l.ID).Skip(perPage * (pageNo - 1)).Take(perPage).Select(l => l).ToList();
this.lswLotterys.ItemsSource = ls;
}
}
private void initPageData(int perPage)
{
using (var lotterysEntities = new LotterysEntities())
{
int count = lotterysEntities.Lotterys.Count();
int page = count / perPage;
if (count % perPage > 0)
{
page++;
}
this.lbCurrentPage.Content = 1;
this.lbPageCount.Content = page;
this.lbResultCount.Content = count;
}
}
/// <summary>
/// 初始加载数据
/// </summary>
private void loadHistoryLottery(int id, LotterysEntities lotterysEntities)
{
int initId = id;
LotteryFetcher fetcher = LotteryFetcher.GetInstance();
Lottery lottery = fetcher.fetchLottery(initId);
if (lottery == null && initId < ((DateTime.Now.Year + 1) * 1000))
{
initId /= 1000;
initId *= 1000;
initId += 1001;
lottery = fetcher.fetchLottery(initId);
}
while (lottery != null)
{
Console.WriteLine(initId);
lotterysEntities.Lotterys.Add(lottery);
initId++;
lottery = fetcher.fetchLottery(initId);
if (lottery == null && initId < ((DateTime.Now.Year + 1) * 1000))
{
initId /= 1000;
initId *= 1000;
initId += 1001;
lottery = fetcher.fetchLottery(initId);
}
}
}
/// <summary>
/// 初始化DB
/// </summary>
private void initDB()
{
using (var lotterysEntities = new LotterysEntities())
{
int initialId = int.Parse(ConfigurationManager.AppSettings["initialId"]);
// 非空库
if (lotterysEntities.Lotterys.Count<Lottery>() != 0)
{
initialId = lotterysEntities.Lotterys.Max(l => l.ID) + 1;
}
loadHistoryLottery(initialId, lotterysEntities);
lotterysEntities.SaveChanges();
}
}
