private void btnStart_Click(object sender, EventArgs e)
{
this.btnStart.Enabled = false;
isCancel = false;
threadCompleteNum = 0;
cidCompleteNum = 0;
//ciderrorlist可以不用重新赋值
listBoxCtrl.Items.Insert(0, DateTime.Now.ToString(Constants.DATE_TIME_FORMAT) + "正在计算需下载个数……");
Application.DoEvents();
List <string> totalcidlist = GetCheckedCids(treeListItemCat.Nodes);
if (totalcidlist.Count == 0)
{
listBoxCtrl.Items.Insert(0, "没有需要下载的类目！");
XtraMessageBox.Show("没有需要下载的类目！", Constants.SYSTEM_PROMPT, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
listBoxCtrl.Items.Insert(0, string.Format("需要下载类目总数{0}个", totalcidlist.Count));
//进度条最大值
this.progressBarTotal.Properties.Maximum = totalcidlist.Count;
//线程数
threadnum = (int)spinEditThreadCount.Value;
int size = 0;
if (totalcidlist.Count < threadnum)
{
threadnum = totalcidlist.Count;
size = 1;
}
else
{
size = totalcidlist.Count % threadnum == 0 ? totalcidlist.Count / threadnum : totalcidlist.Count / threadnum + 1;
}
for (int i = 0; i < threadnum; i++)
{
List <string> cidlist = totalcidlist.Skip(i * size).Take(size).ToList();
BackgroundWorker batchworker = new BackgroundWorker();
batchworker.WorkerReportsProgress = true;
batchworker.WorkerSupportsCancellation = true;
batchworker.DoWork += new DoWorkEventHandler(batchworker_DoWork);
batchworker.ProgressChanged += new ProgressChangedEventHandler(batchworker_ProgressChanged);
batchworker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(batchworker_RunWorkerCompleted);
listBoxCtrl.Items.Insert(0, string.Format("{0}线程{1}开始下载……", DateTime.Now.ToString(Constants.DATE_TIME_FORMAT), i + 1));
MyCidTask cidtask = new MyCidTask();
cidtask.cidlist = cidlist;
cidtask.threadId = i + 1;
batchworker.RunWorkerAsync(cidtask);
}
}
void batchworker_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = (BackgroundWorker)sender;
MyCidTask cidtask = (MyCidTask)e.Argument;
List <string> threadcidlist = cidtask.cidlist;
#region 多类目下载一次存储方式，不采用
////分times次下载
//int times = 100;
//int size = 0;
//if (threadcidlist.Count >= times)
//{
// size = threadcidlist.Count % times == 0 ? threadcidlist.Count / times : threadcidlist.Count / times + 1;
//}
//else
//{
// size = 1;
// times = threadcidlist.Count;
//}
#endregion
int times = threadcidlist.Count;
//int temp = 0;//作用是避免进度值propgress没有改变时得重复报告
for (int i = 0; i < times; i++)
{
cidCompleteNum++;
if (isCancel)
{
e.Cancel = true;
break;
}
#region 多类目下载一次存储方式，不采用
//List<string> cidlist = threadcidlist.Skip(i * size).Take(size).ToList();
//List<string> valueWhereInCids = ItemPropValueService.GetPropValueWhereInCids(cidlist);
//List<string> valueCidList = cidlist.Except(valueWhereInCids).ToList();
//DownItemPropvalue(valueCidList, worker);
//List<string> propWhereInCids = ItemPropService.GetPropWhereInCids(cidlist);
//List<string> propCidList = cidlist.Except(propWhereInCids).ToList();
//DownItemProp(propCidList, worker);
//UpdatePropValueIsParent(cidlist, worker);
//ReturnType type = ItemCatService.UpdateItemCatPropTag(cidlist);
#endregion
string cid = threadcidlist[i];
try
{
UIHelper.DownPropsAndValues(cid, worker);
}
catch (Exception ex)
{
if (ciderrorlist == null)
{
ciderrorlist = new List <string>();
}
ciderrorlist.Add(cid);
worker.ReportProgress(int.Parse(cid), string.Format("异常信息{0}", ex.Message));
continue;
}
//更新ItemCat中此cid下的属性已完全下载
ItemCatService.UpdateItemCatPropTag(cid, true);
/*进度报告*/
//int percentage = (int)((float)(i + 1) * 100 / (float)times);
//if (percentage > temp)
//{
// worker.ReportProgress(percentage, cidtask.threadId);
//}
//temp = percentage;
worker.ReportProgress(cidCompleteNum, cidtask.threadId);
}
e.Result = cidtask.threadId;
}
