构建条码SDK C#: 使用一个库生成、读取和扫描条码

using IronBarCode;
// Generate a Code 128 barcode image from string data
var barcode = BarcodeWriter.CreateBarcode("PKG-2025-88421", BarcodeEncoding.Code128);
barcode.AddAnnotationTextAboveBarcode("Shipping Label");
barcode.AddBarcodeValueTextBelowBarcode();
barcode.ResizeTo(500, 150);
barcode.SaveAsPng("shipping-label.png");
// Create a styled QR code with a logo
var qrCode = QRCodeWriter.CreateQrCode("https://example.com/track/88421", 300);
qrCode.ChangeBarCodeColor(IronSoftware.Drawing.Color.DarkSlateGray);
qrCode.SaveAsPng("tracking-qr.png");

Imports IronBarCode

' Generate a Code 128 barcode image from string data
Dim barcode = BarcodeWriter.CreateBarcode("PKG-2025-88421", BarcodeEncoding.Code128)
barcode.AddAnnotationTextAboveBarcode("Shipping Label")
barcode.AddBarcodeValueTextBelowBarcode()
barcode.ResizeTo(500, 150)
barcode.SaveAsPng("shipping-label.png")

' Create a styled QR code with a logo
Dim qrCode = QRCodeWriter.CreateQrCode("https://example.com/track/88421", 300)
qrCode.ChangeBarCodeColor(IronSoftware.Drawing.Color.DarkSlateGray)
qrCode.SaveAsPng("tracking-qr.png")

using IronBarCode;
// Use the barcode reader to decode all barcodes from an image file
var results = BarcodeReader.Read("multiple-barcodes.png");
foreach (var result in results)
{
    Console.WriteLine($"Type: {result.BarcodeType} | Value: {result.Value}");
}
// The barcode reader also scans multi-page PDF documents
var pdfResults = BarcodeReader.ReadPdf("invoice-batch.pdf");
foreach (var item in pdfResults)
{
    Console.WriteLine($"Page {item.PageNumber}: {item.Value}");
}

Imports IronBarCode

' Use the barcode reader to decode all barcodes from an image file
Dim results = BarcodeReader.Read("multiple-barcodes.png")
For Each result In results
    Console.WriteLine($"Type: {result.BarcodeType} | Value: {result.Value}")
Next

' The barcode reader also scans multi-page PDF documents
Dim pdfResults = BarcodeReader.ReadPdf("invoice-batch.pdf")
For Each item In pdfResults
    Console.WriteLine($"Page {item.PageNumber}: {item.Value}")
Next

using IronBarCode;
// Configure the barcode reader for challenging, real-world image quality
var options = new BarcodeReaderOptions
{
    Speed = ReadingSpeed.Detailed,
    ExpectMultipleBarcodes = true,
    ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional | BarcodeEncoding.QRCode,
    Multithreaded = true,
    MaxParallelThreads = 4,
    ImageFilters = new ImageFilterCollection
    {
        new SharpenFilter(),
        new ContrastFilter()
    }
};
// Scan multiple barcodes from a noisy image with high accuracy
var results = BarcodeReader.Read("camera-capture.jpg", options);
foreach (var barcode in results)
{
    Console.WriteLine($"Detected: {barcode.BarcodeType} — {barcode.Value}");
}

Imports IronBarCode

' Configure the barcode reader for challenging, real-world image quality
Dim options As New BarcodeReaderOptions With {
    .Speed = ReadingSpeed.Detailed,
    .ExpectMultipleBarcodes = True,
    .ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional Or BarcodeEncoding.QRCode,
    .Multithreaded = True,
    .MaxParallelThreads = 4,
    .ImageFilters = New ImageFilterCollection From {
        New SharpenFilter(),
        New ContrastFilter()
    }
}

' Scan multiple barcodes from a noisy image with high accuracy
Dim results = BarcodeReader.Read("camera-capture.jpg", options)
For Each barcode In results
    Console.WriteLine($"Detected: {barcode.BarcodeType} — {barcode.Value}")
Next