C# C RSClientPrint超大线轴
我正在使用ASP.NET3.5MVC1和DB2后端。我的公司正在尝试从Microsoft SQL Server 2008 RSCLient打印GDI+对话框打印条形码。我们无法将文件保存为PDF格式并在本地打印,因为这是针对我们的实际库存应用程序的,员工可能会使用本地条形码做一些不好的事情,因为他们是良好的检查,因此我们被迫通过HTTP打印并控制他们的打印。每个商店都有一个打印服务器,但web服务器位于公司IT办公室。我认为我必须使用.jpeg,因为.gif会导致条形码中的线条模糊,扫描枪无法读取 该应用程序可以很好地处理几百个标签,大约5页,大约5分钟完成打印,但是打印2000个标签需要2小时,接近300页,大约+150MB。我在应用程序上运行Wireshark,试图捕捉来回的数据包,并将信息传递给网络,这就是他们的响应 否。时间源目标协议信息 36628 653.373235 HTTP[TCP窗口已满]继续或非HTTP流量 36630 654.245430 TCP[TCP ZeroWindowProbe]http>35503[ACK]Seq=26291213 ACK=3730 Win=63137 Len=1 我离题了。我的问题是,我可以使用什么类型的策略来帮助加快HTTP上的打印假脱机。我应该在X页处切掉打印卷轴,然后重新卷轴其余部分吗?我应该改变我的打印算法吗?有什么方法可以缩小打印卷轴的大小而不丢失.jpeg质量?RSClientPrint是否有开源或商业的替代方案来处理我需要的业务逻辑 现在开始编码吧!如果你还需要什么,请告诉我C# C RSClientPrint超大线轴,c#,networking,.net-3.5,barcode,spooler,C#,Networking,.net 3.5,Barcode,Spooler,我正在使用ASP.NET3.5MVC1和DB2后端。我的公司正在尝试从Microsoft SQL Server 2008 RSCLient打印GDI+对话框打印条形码。我们无法将文件保存为PDF格式并在本地打印,因为这是针对我们的实际库存应用程序的,员工可能会使用本地条形码做一些不好的事情,因为他们是良好的检查,因此我们被迫通过HTTP打印并控制他们的打印。每个商店都有一个打印服务器,但web服务器位于公司IT办公室。我认为我必须使用.jpeg,因为.gif会导致条形码中的线条模糊,扫描枪无法读
[AcceptVerbs(HttpVerbs.Post)]
[Authorization(Roles = Roles.NonInquiry)]
public ActionResult ReprintLabels(int eventId, int areaCode, int lowerLabelNumber, int upperLabelNumber)
{
if (!_eventAreaService.IsAreaEditable(eventId, areaCode))
return RedirectToAction("Index", new { eventId = eventId });
var printContext = _eventAreaService.ReprintLabels(eventId, areaCode, lowerLabelNumber, upperLabelNumber);
ActionResult result = RedirectToAction("Index", new { eventId = eventId });
if (printContext != null)
{
var redirectUrl = Url.RouteUrl(new { controller = "EventArea", action = "Index", eventId = eventId });
Session[PrintContextViewModel.SessionKey] = new PrintContextViewModel(printContext, redirectUrl);
result = RedirectToAction("PrintLabels", "LabelPrint");
}
return result;
}
public InventoryAreaPrintContext ReprintLabels(int eventId, int areaCode, int lowerLabelBound, int upperLabelBound)
{
var user = _authentication.CurrentUser;
if (user.IsInRole(Roles.CorporateInquiry) || user.IsInRole(Roles.StoreInquiry))
throw new InvalidOperationException("User must be a non-inquiry role.");
List<Fixture> fixturesToVoid = GetLabelsInRange(eventId, areaCode, lowerLabelBound, upperLabelBound).Where(f => f.StatusCode == FixtureStatus.Ready).ToList();
if (fixturesToVoid.Count < 1) return null;
// Void all old labels and tally the labels that to be recreated
// for each area involved.
var voidFixturesByArea = new Dictionary<int, int>();
foreach (var f in fixturesToVoid)
{
if (!voidFixturesByArea.ContainsKey(f.AreaCode))
voidFixturesByArea[f.AreaCode] = 1;
else
voidFixturesByArea[f.AreaCode]++;
f.StatusCode = FixtureStatus.VoidReplace;
_fixtureRepo.Update(f);
}
var storeEvent = _storeEventRepository.FindEvent(user.DefaultStore, eventId);
var lastUsedLabel = storeEvent.LastUsedLabelNumber;
var affectedAreas = new List<InventoryArea>();
// Create new labels for the affected areas.
foreach (var pair in voidFixturesByArea)
{
var area = _areaRepo.FindByKey(user.DefaultStore.GroupCode, user.DefaultStore.ID, eventId, pair.Key);
var fixtures = _fixtureBuilder.AddFixtures(lastUsedLabel.Value, area, pair.Value);
fixtures.ForEach(f => _fixtureRepo.Insert(f));
area.Fixtures = fixtures;
affectedAreas.Add(area);
}
// Update the store event counts.
var numberOfLabels = fixturesToVoid.Count();
storeEvent.LastUsedLabelNumber += numberOfLabels;
_storeEventRepository.Update(storeEvent);
return new InventoryAreaPrintContext(_barcodeGenerator) { InventoryAreas = affectedAreas, StoreEvent = storeEvent, Store = user.DefaultStore };
}
public class BarcodeGenerator : IBarcodeGenerator
{
private readonly BarCodeImage.CodeSetEncoder _codeSetEncoder;
public BarcodeGenerator(BarCodeImage.CodeSetEncoder codeSetEncoder)
{
_codeSetEncoder = codeSetEncoder;
}
public byte[] CreateBarcode(string barcodeText)
{
byte[] data;
var generator = new BarCodeImage(barcodeText, _codeSetEncoder, true)
{
InsetText = false,
Font = new Font(
FontFamily.GenericSansSerif,
10,
FontStyle.Regular,
GraphicsUnit.Pixel)
};
/**
* Keep the image dimensions at the same ratio as they will be displayed in the report.
* Currently the report is set to a height to width ratio of 1/5 so we set the image
* height to width at 1/5 as well. Otherwise the barcode will not scan properly.
**/
using (var image = generator.Render(50, 250))
using (var ms = new MemoryStream())
{
image.Save(ms, ImageFormat.Jpeg);
data = ms.GetBuffer();
}
return data;
}
}
将图像包装器发送到后台打印程序时有些可疑。我最后做的是使用iTextSharp的barcode 128类,基本上用字体而不是图像构建条形码,然后对于人类可读的文本,我只是传入了条形码对象的fixture标记字符串,并将该值设置为.RDLC报告上的值。如果有人想要任何代码,请随时PM我