void mainWorker_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = (BackgroundWorker)sender;
threadCount = Convert.ToInt32(spinEditThreadCount.Text);
string nick = string.Empty;
string title = string.Empty;
string sid = string.Empty;
bool isSelected;
TreeListNode node = null;
//循环shop树，获得选中的店铺
IEnumerator treeListEnumerator = this.treeListShop.Nodes.GetEnumerator();
while (treeListEnumerator.MoveNext())
{
if (mainWorker.CancellationPending)
{
e.Cancel = true;
return;
}
try
{
node = treeListEnumerator.Current as TreeListNode;
isSelected = Convert.ToBoolean(node[treeListShop.Columns["IsSelected"].AbsoluteIndex]);
if (node[treeListShop.Columns["nick"].AbsoluteIndex] != null)
{
nick = node[treeListShop.Columns["nick"].AbsoluteIndex].ToString();
}
if (node[treeListShop.Columns["title"].AbsoluteIndex] != null)
{
title = node[treeListShop.Columns["title"].AbsoluteIndex].ToString();
}
if (node[treeListShop.Columns["sid"].AbsoluteIndex] != null)
{
sid = node[treeListShop.Columns["sid"].AbsoluteIndex].ToString();
}
if (isSelected)
{
//线程总数量设为0
totalThreadCount = 0;
//清空itemList
itemList.Clear();
//清空子线程列表
workerList.Clear();
worker.ReportProgress(1, DateTime.Now.ToString(Constants.DATE_TIME_FORMAT) + " 正在获取店铺" + title + "的宝贝信息......");
//获取选中店铺所有的item
itemRsp = TopService.ItemsAllGet(SystemHelper.GetSessionKey(nick), fields, 1, pageSize);
if (itemRsp == null)
{
worker.ReportProgress(1, title + "店铺宝贝获取失败。");
}
else
{
/*把item加入到itemlist中*/
if (itemRsp.Items != null && itemRsp.Items.Item != null)
{
foreach (Taobao.Entity.Item item in itemRsp.Items.Item)
{
itemList.Add(item);
}
}
worker.ReportProgress(1, string.Format("检测到店铺内宝贝{0}个。", itemRsp.TotalResults));
//计算页数
pageNo = itemRsp.TotalResults % pageSize == 0 ? (itemRsp.TotalResults / pageSize) : ((itemRsp.TotalResults / pageSize) + 1);
//如果超过一页，即超过200条
if (pageNo > 1)
{
//获取所有的item列表
worker.ReportProgress(1, "正在获取店铺宝贝列表......");
//下载其它页
for (int i = 2; i <= pageNo; i++)
{
itemRsp = TopService.ItemsAllGet(SystemHelper.GetSessionKey(nick), fields, i, pageSize);
if (itemRsp.Items != null && itemRsp.Items.Item != null)
{
foreach (Taobao.Entity.Item item in itemRsp.Items.Item)
{
itemList.Add(item);
}
}
}
worker.ReportProgress(1, "店铺宝贝列表获取成功。");
}
worker.ReportProgress(1, "系统正在启动多线程下载宝贝详细信息......");
//如果商品的数量小于
if (itemRsp.TotalResults < threadCount)
{
threadCount = itemRsp.TotalResults;
}
//计算每个子线程应该分配多少item去下载,itemPageSize
itemPageSize = itemRsp.TotalResults % threadCount == 0 ? (itemRsp.TotalResults / threadCount) : ((itemRsp.TotalResults / threadCount) + 1);
#region 开启下载子线程
//开启Item下载子线程
for (int i = 0; i < threadCount; i++)
{
//分页item，分配给每一个子线程。
List <Taobao.Entity.Item> items = itemList.Skip(i * itemPageSize).Take(itemPageSize).ToList();
//启动线程
BackgroundWorker itemWorker = new BackgroundWorker();
itemWorker.WorkerReportsProgress = true;
itemWorker.WorkerSupportsCancellation = true;
itemWorker.DoWork += new DoWorkEventHandler(worker_DoWork);
//任务进行时，报告进度
itemWorker.ProgressChanged += new ProgressChangedEventHandler(worker_ProgressChanged);
//任务完称时要做的，比如提示等等
itemWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(worker_RunWorkerCompleted);
workerList.Add(itemWorker);
//Item任务对象
ItemTask itemTask = new ItemTask();
itemTask.ItemList = items;
itemTask.ShopSid = sid;
itemTask.Index = i + 1;
itemTask.totalCount = itemRsp.TotalResults;
//每一个子线程传入相关的下载列表信息。
itemWorker.RunWorkerAsync(itemTask);
//开启图片下载子线程
BackgroundWorker picWorker = new BackgroundWorker();
picWorker.WorkerReportsProgress = true;
picWorker.WorkerSupportsCancellation = true;
picWorker.DoWork += new DoWorkEventHandler(picWorker_DoWork);
picWorker.ProgressChanged += new ProgressChangedEventHandler(picWorker_ProgressChanged);
picWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(picWorker_RunWorkerCompleted);
workerList.Add(picWorker);
//ItemPic任务对象
ItemTask itemPicTask = new ItemTask();
itemPicTask.ItemList = items;
itemPicTask.ShopSid = sid;
picWorker.RunWorkerAsync(itemPicTask);
}
#endregion
}
progressCurrent = 0;
//信号量，阻塞当前线程，这里阻塞的是下载主线程
autoReset.WaitOne();
}
}
catch (Exception ex)
{
BeginInvoke(new Action(() => { listBoxCtrl.Items.Insert(0, ex.Message); }));
return;
}
}
}
private void btnDowmItems_Click(object sender, EventArgs e)
{
try
{
if (cmbNick.Text == string.Empty)
{
XtraMessageBox.Show("请先选择店铺！", "提示");
return;
}
this.btnDowmItems.Enabled = false; //下载按钮不可用
this.btnRetry.Enabled = false;
itemCompleteNum = 0; //下载完成数置0
threadCompleteNum = 0; //完成线程数置0
int pageSize = 200;
int pageNo = 1;
string fields = "iid,cid";
ItemRsp myrsp = null;
string session = SystemHelper.GetSessionKey(cmbNick.Text);
myrsp = TopService.ItemsAllGet(session, fields, 1, pageSize);
if (myrsp.TotalResults == 0)
{
this.btnDowmItems.Enabled = true;
XtraMessageBox.Show("无宝贝数据！");
return;
}
listBoxDetail.Items.Insert(0, string.Format("检测到店铺内宝贝数{0}个", myrsp.TotalResults));
listBoxDetail.Items.Insert(0, "开始下载……");
List <string> totalIidList = new List <string>();
/*把iid加入到iidlist中*/
if (myrsp.Items != null && myrsp.Items.Item != null)
{
foreach (Taobao.Entity.Item item in myrsp.Items.Item)
{
totalIidList.Add(item.Iid);
}
}
#region 计算是否需要分页获取
if (myrsp.TotalResults % pageSize == 0)
{
pageNo = myrsp.TotalResults / pageSize;
}
else
{
pageNo = myrsp.TotalResults / pageSize + 1;
}
if (pageNo >= 2)
{
for (int i = 2; i <= pageNo; i++)
{
myrsp = TopService.ItemsAllGet(session, "iid", i, pageSize);
if (myrsp.Items != null && myrsp.Items.Item != null)
{
foreach (Taobao.Entity.Item item in myrsp.Items.Item)
{
if (!totalIidList.Contains(item.Iid))
{
totalIidList.Add(item.Iid);
}
}
}
} //for
} //if
#endregion
//进度条最大值赋值
this.progressBarTotal.Properties.Maximum = totalIidList.Count;
//线程数，全局变量
threadnum = (int)spinEditThreadCount.Value;
int size = 0;
if (totalIidList.Count < threadnum)
{
threadnum = totalIidList.Count;
size = 1;
}
else
{
size = totalIidList.Count % threadnum == 0 ? totalIidList.Count / threadnum : totalIidList.Count / threadnum + 1;
}
for (int i = 0; i < threadnum; i++)
{
List <string> iidlist = totalIidList.Skip(i * size).Take(size).ToList();
BackgroundWorker worker = new BackgroundWorker();
worker.WorkerReportsProgress = true;
worker.WorkerSupportsCancellation = true;
worker.DoWork += new DoWorkEventHandler(worker_DoWork);
worker.ProgressChanged += new ProgressChangedEventHandler(worker_ProgressChanged);
worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(worker_RunWorkerCompleted);
listBoxDetail.Items.Insert(0, string.Format("{0}线程{1}开始下载……", DateTime.Now.ToString(Constants.DATE_TIME_FORMAT), i + 1));
ItemTask itemTask = new ItemTask();
itemTask.iidList = iidlist;
itemTask.threadIndex = i + 1;
itemTask.sessionKey = session;
itemTask.shopNic = cmbNick.Text;
worker.RunWorkerAsync(itemTask);
}
}
catch (System.Exception ex)
{
this.btnDowmItems.Enabled = true;
listBoxDetail.Items.Insert(0, ex.Message);
XtraMessageBox.Show(ex.Message, Constants.SYSTEM_PROMPT, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}