private async void ShowAd(object obj)
{
object[] objarr = (object[])obj;
Image img = (Image)objarr[0];
Label lbl = (Label)objarr[1];
//await Task.Factory.StartNew(Begin, this.imgAd);
listDm = DmDao.GetDms();
while (true)
{
var dm = await GetDmByIndex(lbl);
if (dm != null)
{
await Task.Factory.StartNew(() =>
{
img.Source = new BitmapImage(new Uri(dm.img_path, UriKind.Absolute));
}, new CancellationTokenSource().Token, TaskCreationOptions.None, _syncContextTaskScheduler);
await Task.Factory.StartNew(() =>
{
Thread.Sleep(dm.display_time * 1000);
});
}
await Task.Factory.StartNew(() =>
{
Thread.Sleep(1000);
});
index++;
}
}
private static void DoDmjson(List <Dm> listDm, JObject jObjectData)
{
if (jObjectData.ContainsKey("dm")) //处理dm
{
JArray jObjectDm = (JArray)jObjectData["dm"];
foreach (JToken jToken in jObjectDm.Children())
{
Dm dm = new Dm();
dm.advertisement_id = long.Parse(jToken["advertisement_id"].ToString());
dm.store_name = jToken["store_name"].ToString();
dm.display_time = int.Parse(jToken["display_time"].ToString());
dm.puton_time = DateTime.Parse(jToken["puton_time"].ToString());
dm.putoff_time = DateTime.Parse(jToken["putoff_time"].ToString());
dm.Title = jToken["title"].ToString();
dm.image_url = jToken["image_url"].ToString();
dm.category_id = int.Parse(jToken["category_id"].ToString());
dm.date_modified = DateTime.Parse(jToken["date_modified"].ToString());
dm.img_path = Config.adImgRoot + "\\" + Ad.GetImgName(dm.image_url);
DateTime dt = DateTime.Now;
if (dm.puton_time <= dt && dt <= dm.putoff_time) //在上线时间范围内
{
Dm oldDm = DmDao.GetDmById(dm.advertisement_id);
if (oldDm == null)//数据库中不存在
{
if (HttpUtil.DownloadImg(dm.image_url, dm.img_path))
{
DmDao.InsertDm(dm);
listDm.Add(dm);
}
}
else //数据库中存在
{
if (oldDm.date_modified != dm.date_modified)//如果需要修改
{
FileInfo fileInfo = new FileInfo(dm.img_path);
if (fileInfo.Exists == false || fileInfo.Length <= 0)
{
if (HttpUtil.DownloadImg(dm.image_url, dm.img_path))
{
dm.id = oldDm.id;
DmDao.UpdateDm(dm);
listDm.Add(dm);
}
}
}
}
}
}
DmWindow.listDm = DmDao.GetDms();
}
}
private void Tb_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
try
{
TextBlock tb = (TextBlock)sender;
int catId = int.Parse(tb.Tag.ToString());
listDm = DmDao.GetDmsBycatId(catId);
Stop30Second();
}
catch (Exception ex)
{
log.Error("Tb_MouseLeftButtonDown error:", ex);
}
}
private async void ShowDM(object obj)
{
object[] objarr = (object[])obj;
Image img = (Image)objarr[0];
Label lbl = (Label)objarr[1];
listDm = DmDao.GetDms();
while (isClose == false)
{
if (isStop == false)
{
var dm = await GetDmByIndex(lbl);
if (dm != null)
{
await Task.Factory.StartNew(() =>
{
try
{
img.Source = new BitmapImage(new Uri(dm.img_path, UriKind.Absolute));
}
catch (Exception ex)
{
log.Error("ShowDM img.Source error:", ex);
}
}, new CancellationTokenSource().Token, TaskCreationOptions.None, _syncContextTaskScheduler);
await Task.Factory.StartNew(() =>
{
Thread.Sleep(dm.display_time * 1000);
});
}
index++;
}
await Task.Factory.StartNew(() =>
{
Thread.Sleep(1000);
});
}
}
