
从Dynamsoft条形码阅读器迁移到IronBarcode
大多数从Dynamsoft条形码阅读器迁移到IronBarcode的开发者属于以下两类之一:选择Dynamsoft因为其声誉,然后发现以相机为中心的API与其文档处理使用场景不匹配的人,以及那些运行在气隙或Docker环境中而许可证服务器依赖性引起生产事故的人。
如果您属于第一组,则迁移将移除外部 PDF 渲染库、逐页渲染循环和错误代码许可模式。 如果您属于第二组,迁移将从您的Docker或VPC配置中移除InitLicense网络调用、离线许可证内容捆绑包和刷新周期以及出站网络策略。 无论哪种方式,迁移后代码库都会变短。
本指南坦诚地说明了您的损失:如果您的应用处理实时摄像头帧,Dynamsoft的捕获视觉管道是为这种工作负载量身定制的,IronBarcode不是合适的替代品。 本迁移指南适用于服务器端文件处理、文档工作流以及许可证服务器访问存在问题的环境。
步骤 1:交换NuGet包
dotnet remove package Dynamsoft.DotNet.BarcodeReader.Bundle
dotnet add package BarCode
如果您的项目中还添加了专门用于 Dynamsoft 的 PDF 渲染库(最常见的是 PdfiumViewer),也可以将其删除:
# Remove if added only for Dynamsoft PDF support
dotnet remove package PdfiumViewer
dotnet remove package PdfiumViewer.Native.x86_64.v8-xfa
步骤 2:替换许可证初始化
这是最直接的简化之处。 Dynamsoft模式要求每次启动时都进行错误代码检查和异常处理:
之前 - Dynamsoft:
using Dynamsoft.License;
using Dynamsoft.Core;
// Must run before any barcode operations
int errorCode = LicenseManager.InitLicense("YOUR-DYNAMSOFT-KEY", out string errorMsg);
if (errorCode != (int)EnumErrorCode.EC_OK)
throw new InvalidOperationException($"License validation failed [{errorCode}]: {errorMsg}");Imports Dynamsoft.License
Imports Dynamsoft.Core
' Must run before any barcode operations
Dim errorCode As Integer = LicenseManager.InitLicense("YOUR-DYNAMSOFT-KEY", errorMsg)
If errorCode <> CType(EnumErrorCode.EC_OK, Integer) Then
Throw New InvalidOperationException($"License validation failed [{errorCode}]: {errorMsg}")
End IfImports Dynamsoft.License
Imports Dynamsoft.Core
' Must run before any barcode operations
Dim errorCode As Integer = LicenseManager.InitLicense("YOUR-DYNAMSOFT-KEY", errorMsg)
If errorCode <> CType(EnumErrorCode.EC_OK, Integer) Then
Throw New InvalidOperationException($"License validation failed [{errorCode}]: {errorMsg}")
End If之后IronBarcode:
// NuGet: dotnet add package BarCode
using IronBarCode;
// Local validation — no network call, no error code
IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";// NuGet: dotnet add package BarCode
using IronBarCode;
// Local validation — no network call, no error code
IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";Imports IronBarCode
' Local validation — no network call, no error code
IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY"Imports IronBarCode
' Local validation — no network call, no error code
IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY"在ASP.NET Core应用中,将此添加到builder.Build():
IronBarCode.License.LicenseKey = Environment.GetEnvironmentVariable("IRONBARCODE_KEY")
?? "YOUR-LICENSE-KEY";IronBarCode.License.LicenseKey = Environment.GetEnvironmentVariable("IRONBARCODE_KEY")
?? "YOUR-LICENSE-KEY";Imports IronBarCode
IronBarCode.License.LicenseKey = If(Environment.GetEnvironmentVariable("IRONBARCODE_KEY"), "YOUR-LICENSE-KEY")Imports IronBarCode
IronBarCode.License.LicenseKey = If(Environment.GetEnvironmentVariable("IRONBARCODE_KEY"), "YOUR-LICENSE-KEY")在Docker或Kubernetes环境中,在您的部署清单中设置IRONBARCODE_KEY环境变量。不需要出站网络规则。
步骤 3:替换命名空间导入
在所有源文件中查找并替换:
grep -r "using Dynamsoft\." --include="*.cs" .
替换所有出现的项:
// Before
using Dynamsoft.CVR;
using Dynamsoft.DBR;
using Dynamsoft.License;
using Dynamsoft.Core;
// After
using IronBarCode;// Before
using Dynamsoft.CVR;
using Dynamsoft.DBR;
using Dynamsoft.License;
using Dynamsoft.Core;
// After
using IronBarCode;Imports IronBarCodeImports IronBarCode代码迁移示例
基本文件读取
最基本的操作——从图像文件中读取条形码。
之前 - Dynamsoft:
using Dynamsoft.CVR;
using Dynamsoft.DBR;
public string ReadBarcodeFromFile(CaptureVisionRouter router, string imagePath)
{
CapturedResult result = router.Capture(imagePath, PresetTemplate.PT_READ_BARCODES);
BarcodeResultItem[] items = result.GetDecodedBarcodesResult()?.GetItems();
if (items == null || items.Length == 0)
return null;
return items[0].GetText();
}using Dynamsoft.CVR;
using Dynamsoft.DBR;
public string ReadBarcodeFromFile(CaptureVisionRouter router, string imagePath)
{
CapturedResult result = router.Capture(imagePath, PresetTemplate.PT_READ_BARCODES);
BarcodeResultItem[] items = result.GetDecodedBarcodesResult()?.GetItems();
if (items == null || items.Length == 0)
return null;
return items[0].GetText();
}Imports Dynamsoft.CVR
Imports Dynamsoft.DBR
Public Function ReadBarcodeFromFile(router As CaptureVisionRouter, imagePath As String) As String
Dim result As CapturedResult = router.Capture(imagePath, PresetTemplate.PT_READ_BARCODES)
Dim items As BarcodeResultItem() = result.GetDecodedBarcodesResult()?.GetItems()
If items Is Nothing OrElse items.Length = 0 Then
Return Nothing
End If
Return items(0).GetText()
End FunctionImports Dynamsoft.CVR
Imports Dynamsoft.DBR
Public Function ReadBarcodeFromFile(router As CaptureVisionRouter, imagePath As String) As String
Dim result As CapturedResult = router.Capture(imagePath, PresetTemplate.PT_READ_BARCODES)
Dim items As BarcodeResultItem() = result.GetDecodedBarcodesResult()?.GetItems()
If items Is Nothing OrElse items.Length = 0 Then
Return Nothing
End If
Return items(0).GetText()
End Function之后IronBarcode:
// NuGet: dotnet add package BarCode
using IronBarCode;
public string ReadBarcodeFromFile(string imagePath)
{
var results = BarcodeReader.Read(imagePath);
return results?.FirstOrDefault()?.Value;
}// NuGet: dotnet add package BarCode
using IronBarCode;
public string ReadBarcodeFromFile(string imagePath)
{
var results = BarcodeReader.Read(imagePath);
return results?.FirstOrDefault()?.Value;
}Imports IronBarCode
Public Function ReadBarcodeFromFile(imagePath As String) As String
Dim results = BarcodeReader.Read(imagePath)
Return results?.FirstOrDefault()?.Value
End FunctionImports IronBarCode
Public Function ReadBarcodeFromFile(imagePath As String) As String
Dim results = BarcodeReader.Read(imagePath)
Return results?.FirstOrDefault()?.Value
End Function路由器实例消失了。 BarcodeReader.Read是静态的。 .Value。 使用LINQ对results的空检查更简洁。
读取多个条形码
之前 - Dynamsoft:
using Dynamsoft.CVR;
using Dynamsoft.DBR;
public List<string> ReadAllBarcodes(CaptureVisionRouter router, string imagePath)
{
SimplifiedCaptureVisionSettings settings = router.GetSimplifiedSettings(
PresetTemplate.PT_READ_BARCODES);
settings.BarcodeSettings.ExpectedBarcodesCount = 0; // 0 = find all
router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings);
CapturedResult result = router.Capture(imagePath, PresetTemplate.PT_READ_BARCODES);
BarcodeResultItem[] items = result.GetDecodedBarcodesResult()?.GetItems();
var values = new List<string>();
if (items != null)
{
foreach (var item in items)
values.Add(item.GetText());
}
return values;
}using Dynamsoft.CVR;
using Dynamsoft.DBR;
public List<string> ReadAllBarcodes(CaptureVisionRouter router, string imagePath)
{
SimplifiedCaptureVisionSettings settings = router.GetSimplifiedSettings(
PresetTemplate.PT_READ_BARCODES);
settings.BarcodeSettings.ExpectedBarcodesCount = 0; // 0 = find all
router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings);
CapturedResult result = router.Capture(imagePath, PresetTemplate.PT_READ_BARCODES);
BarcodeResultItem[] items = result.GetDecodedBarcodesResult()?.GetItems();
var values = new List<string>();
if (items != null)
{
foreach (var item in items)
values.Add(item.GetText());
}
return values;
}Imports Dynamsoft.CVR
Imports Dynamsoft.DBR
Public Function ReadAllBarcodes(router As CaptureVisionRouter, imagePath As String) As List(Of String)
Dim settings As SimplifiedCaptureVisionSettings = router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES)
settings.BarcodeSettings.ExpectedBarcodesCount = 0 ' 0 = find all
router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings)
Dim result As CapturedResult = router.Capture(imagePath, PresetTemplate.PT_READ_BARCODES)
Dim items As BarcodeResultItem() = result.GetDecodedBarcodesResult()?.GetItems()
Dim values As New List(Of String)()
If items IsNot Nothing Then
For Each item In items
values.Add(item.GetText())
Next
End If
Return values
End FunctionImports Dynamsoft.CVR
Imports Dynamsoft.DBR
Public Function ReadAllBarcodes(router As CaptureVisionRouter, imagePath As String) As List(Of String)
Dim settings As SimplifiedCaptureVisionSettings = router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES)
settings.BarcodeSettings.ExpectedBarcodesCount = 0 ' 0 = find all
router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings)
Dim result As CapturedResult = router.Capture(imagePath, PresetTemplate.PT_READ_BARCODES)
Dim items As BarcodeResultItem() = result.GetDecodedBarcodesResult()?.GetItems()
Dim values As New List(Of String)()
If items IsNot Nothing Then
For Each item In items
values.Add(item.GetText())
Next
End If
Return values
End Function之后IronBarcode:
using IronBarCode;
public List<string> ReadAllBarcodes(string imagePath)
{
var options = new BarcodeReaderOptions
{
ExpectMultipleBarcodes = true,
MaxParallelThreads = 4
};
return BarcodeReader.Read(imagePath, options)
.Select(r => r.Value)
.ToList();
}using IronBarCode;
public List<string> ReadAllBarcodes(string imagePath)
{
var options = new BarcodeReaderOptions
{
ExpectMultipleBarcodes = true,
MaxParallelThreads = 4
};
return BarcodeReader.Read(imagePath, options)
.Select(r => r.Value)
.ToList();
}Imports IronBarCode
Public Function ReadAllBarcodes(imagePath As String) As List(Of String)
Dim options As New BarcodeReaderOptions With {
.ExpectMultipleBarcodes = True,
.MaxParallelThreads = 4
}
Return BarcodeReader.Read(imagePath, options) _
.Select(Function(r) r.Value) _
.ToList()
End FunctionImports IronBarCode
Public Function ReadAllBarcodes(imagePath As String) As List(Of String)
Dim options As New BarcodeReaderOptions With {
.ExpectMultipleBarcodes = True,
.MaxParallelThreads = 4
}
Return BarcodeReader.Read(imagePath, options) _
.Select(Function(r) r.Value) _
.ToList()
End Function从字节(内存映像)读取
之前 - Dynamsoft:
using Dynamsoft.CVR;
using Dynamsoft.Core;
using Dynamsoft.DBR;
// Requires width, height, stride, and pixel format — low-level buffer API
public string ReadFromBuffer(CaptureVisionRouter router, byte[] rawPixels, int width, int height)
{
var imageData = new ImageData
{
Bytes = rawPixels,
Width = width,
Height = height,
Stride = width * 3, // assuming 24bpp RGB
Format = EnumImagePixelFormat.IPF_RGB_888
};
CapturedResult result = router.Capture(imageData, PresetTemplate.PT_READ_BARCODES);
return result.GetDecodedBarcodesResult()?.GetItems()?.FirstOrDefault()?.GetText();
}using Dynamsoft.CVR;
using Dynamsoft.Core;
using Dynamsoft.DBR;
// Requires width, height, stride, and pixel format — low-level buffer API
public string ReadFromBuffer(CaptureVisionRouter router, byte[] rawPixels, int width, int height)
{
var imageData = new ImageData
{
Bytes = rawPixels,
Width = width,
Height = height,
Stride = width * 3, // assuming 24bpp RGB
Format = EnumImagePixelFormat.IPF_RGB_888
};
CapturedResult result = router.Capture(imageData, PresetTemplate.PT_READ_BARCODES);
return result.GetDecodedBarcodesResult()?.GetItems()?.FirstOrDefault()?.GetText();
}Imports Dynamsoft.CVR
Imports Dynamsoft.Core
Imports Dynamsoft.DBR
' Requires width, height, stride, and pixel format — low-level buffer API
Public Function ReadFromBuffer(router As CaptureVisionRouter, rawPixels As Byte(), width As Integer, height As Integer) As String
Dim imageData As New ImageData With {
.Bytes = rawPixels,
.Width = width,
.Height = height,
.Stride = width * 3, ' assuming 24bpp RGB
.Format = EnumImagePixelFormat.IPF_RGB_888
}
Dim result As CapturedResult = router.Capture(imageData, PresetTemplate.PT_READ_BARCODES)
Return result.GetDecodedBarcodesResult()?.GetItems()?.FirstOrDefault()?.GetText()
End FunctionImports Dynamsoft.CVR
Imports Dynamsoft.Core
Imports Dynamsoft.DBR
' Requires width, height, stride, and pixel format — low-level buffer API
Public Function ReadFromBuffer(router As CaptureVisionRouter, rawPixels As Byte(), width As Integer, height As Integer) As String
Dim imageData As New ImageData With {
.Bytes = rawPixels,
.Width = width,
.Height = height,
.Stride = width * 3, ' assuming 24bpp RGB
.Format = EnumImagePixelFormat.IPF_RGB_888
}
Dim result As CapturedResult = router.Capture(imageData, PresetTemplate.PT_READ_BARCODES)
Return result.GetDecodedBarcodesResult()?.GetItems()?.FirstOrDefault()?.GetText()
End Function之后IronBarcode:
using IronBarCode;
// Pass PNG/JPEG/BMP bytes directly — no pixel format or stride calculation
public string ReadFromImageBytes(byte[] imageBytes)
{
return BarcodeReader.Read(imageBytes)?.FirstOrDefault()?.Value;
}using IronBarCode;
// Pass PNG/JPEG/BMP bytes directly — no pixel format or stride calculation
public string ReadFromImageBytes(byte[] imageBytes)
{
return BarcodeReader.Read(imageBytes)?.FirstOrDefault()?.Value;
}Imports IronBarCode
Public Function ReadFromImageBytes(imageBytes As Byte()) As String
Return BarcodeReader.Read(imageBytes)?.FirstOrDefault()?.Value
End FunctionImports IronBarCode
Public Function ReadFromImageBytes(imageBytes As Byte()) As String
Return BarcodeReader.Read(imageBytes)?.FirstOrDefault()?.Value
End Function如果您的应用程序之前已将图像字节转换为 Dynamsoft 的原始像素缓冲区,则您可以将原始编码图像字节(PNG、JPEG、BMP)直接传递给IronBarcode,而无需先解码为原始像素。
PDF条形码读取——移除渲染循环
这通常是迁移过程中代码量减少最多的部分。 移除整个 PdfiumViewer 渲染循环,并用单个调用代替。
之前 - Dynamsoft 与 PdfiumViewer:
// Requires: Dynamsoft.DotNet.BarcodeReader.Bundle + PdfiumViewer + PdfiumViewer.Native.*
using Dynamsoft.CVR;
using Dynamsoft.DBR;
using PdfiumViewer;
using System.Drawing.Imaging;
public List<string> ReadBarcodesFromPdf(CaptureVisionRouter router, string pdfPath)
{
var allBarcodes = new List<string>();
using (var pdfDoc = PdfDocument.Load(pdfPath))
{
for (int page = 0; page < pdfDoc.PageCount; page++)
{
using var image = pdfDoc.Render(page, 300, 300, true);
using var ms = new MemoryStream();
image.Save(ms, ImageFormat.Png);
CapturedResult result = router.Capture(ms.ToArray(),
PresetTemplate.PT_READ_BARCODES);
var items = result.GetDecodedBarcodesResult()?.GetItems();
if (items != null)
{
foreach (var item in items)
allBarcodes.Add(item.GetText());
}
}
}
return allBarcodes;
}// Requires: Dynamsoft.DotNet.BarcodeReader.Bundle + PdfiumViewer + PdfiumViewer.Native.*
using Dynamsoft.CVR;
using Dynamsoft.DBR;
using PdfiumViewer;
using System.Drawing.Imaging;
public List<string> ReadBarcodesFromPdf(CaptureVisionRouter router, string pdfPath)
{
var allBarcodes = new List<string>();
using (var pdfDoc = PdfDocument.Load(pdfPath))
{
for (int page = 0; page < pdfDoc.PageCount; page++)
{
using var image = pdfDoc.Render(page, 300, 300, true);
using var ms = new MemoryStream();
image.Save(ms, ImageFormat.Png);
CapturedResult result = router.Capture(ms.ToArray(),
PresetTemplate.PT_READ_BARCODES);
var items = result.GetDecodedBarcodesResult()?.GetItems();
if (items != null)
{
foreach (var item in items)
allBarcodes.Add(item.GetText());
}
}
}
return allBarcodes;
}Imports Dynamsoft.CVR
Imports Dynamsoft.DBR
Imports PdfiumViewer
Imports System.Drawing.Imaging
Public Function ReadBarcodesFromPdf(router As CaptureVisionRouter, pdfPath As String) As List(Of String)
Dim allBarcodes As New List(Of String)()
Using pdfDoc As PdfDocument = PdfDocument.Load(pdfPath)
For page As Integer = 0 To pdfDoc.PageCount - 1
Using image = pdfDoc.Render(page, 300, 300, True)
Using ms As New MemoryStream()
image.Save(ms, ImageFormat.Png)
Dim result As CapturedResult = router.Capture(ms.ToArray(), PresetTemplate.PT_READ_BARCODES)
Dim items = result.GetDecodedBarcodesResult()?.GetItems()
If items IsNot Nothing Then
For Each item In items
allBarcodes.Add(item.GetText())
Next
End If
End Using
End Using
Next
End Using
Return allBarcodes
End FunctionImports Dynamsoft.CVR
Imports Dynamsoft.DBR
Imports PdfiumViewer
Imports System.Drawing.Imaging
Public Function ReadBarcodesFromPdf(router As CaptureVisionRouter, pdfPath As String) As List(Of String)
Dim allBarcodes As New List(Of String)()
Using pdfDoc As PdfDocument = PdfDocument.Load(pdfPath)
For page As Integer = 0 To pdfDoc.PageCount - 1
Using image = pdfDoc.Render(page, 300, 300, True)
Using ms As New MemoryStream()
image.Save(ms, ImageFormat.Png)
Dim result As CapturedResult = router.Capture(ms.ToArray(), PresetTemplate.PT_READ_BARCODES)
Dim items = result.GetDecodedBarcodesResult()?.GetItems()
If items IsNot Nothing Then
For Each item In items
allBarcodes.Add(item.GetText())
Next
End If
End Using
End Using
Next
End Using
Return allBarcodes
End Function之后IronBarcode:
using IronBarCode;
public List<string> ReadBarcodesFromPdf(string pdfPath)
{
return BarcodeReader.Read(pdfPath)
.Select(r => r.Value)
.ToList();
}using IronBarCode;
public List<string> ReadBarcodesFromPdf(string pdfPath)
{
return BarcodeReader.Read(pdfPath)
.Select(r => r.Value)
.ToList();
}Imports IronBarCode
Public Function ReadBarcodesFromPdf(pdfPath As String) As List(Of String)
Return BarcodeReader.Read(pdfPath) _
.Select(Function(r) r.Value) _
.ToList()
End FunctionImports IronBarCode
Public Function ReadBarcodesFromPdf(pdfPath As String) As List(Of String)
Return BarcodeReader.Read(pdfPath) _
.Select(Function(r) r.Value) _
.ToList()
End Function页面循环、PdfDocument、300 DPI渲染步骤、MemoryStream以及每页捕获调用全部消失。 IronBarcode在内部处理 PDF 页面。
如果您需要读取带有选项的 PDF 文件(例如,用于读取密集或难以识别的条形码):
using IronBarCode;
public List<string> ReadBarcodesFromPdfAccurate(string pdfPath)
{
var options = new BarcodeReaderOptions
{
Speed = ReadingSpeed.Balanced,
ExpectMultipleBarcodes = true
};
return BarcodeReader.Read(pdfPath, options)
.Select(r => r.Value)
.ToList();
}using IronBarCode;
public List<string> ReadBarcodesFromPdfAccurate(string pdfPath)
{
var options = new BarcodeReaderOptions
{
Speed = ReadingSpeed.Balanced,
ExpectMultipleBarcodes = true
};
return BarcodeReader.Read(pdfPath, options)
.Select(r => r.Value)
.ToList();
}Imports IronBarCode
Public Function ReadBarcodesFromPdfAccurate(pdfPath As String) As List(Of String)
Dim options As New BarcodeReaderOptions With {
.Speed = ReadingSpeed.Balanced,
.ExpectMultipleBarcodes = True
}
Return BarcodeReader.Read(pdfPath, options) _
.Select(Function(r) r.Value) _
.ToList()
End FunctionImports IronBarCode
Public Function ReadBarcodesFromPdfAccurate(pdfPath As String) As List(Of String)
Dim options As New BarcodeReaderOptions With {
.Speed = ReadingSpeed.Balanced,
.ExpectMultipleBarcodes = True
}
Return BarcodeReader.Read(pdfPath, options) _
.Select(Function(r) r.Value) _
.ToList()
End Function离线/物理隔离部署
如果您的代码中包含离线许可模式,请将其完全删除:
之前 - Dynamsoft 离线许可证:
using Dynamsoft.License;
using Dynamsoft.Core;
// Dynamsoft offline: fetch license bundle on a connected machine, persist it,
// then replay it on the offline machine via InitLicenseFromLicenseContent.
int errorCode = LicenseManager.InitLicenseFromLicenseContent(
licenseContent,
out string errorMsg);
if (errorCode != (int)EnumErrorCode.EC_OK)
throw new InvalidOperationException($"Offline license failed: {errorMsg}");using Dynamsoft.License;
using Dynamsoft.Core;
// Dynamsoft offline: fetch license bundle on a connected machine, persist it,
// then replay it on the offline machine via InitLicenseFromLicenseContent.
int errorCode = LicenseManager.InitLicenseFromLicenseContent(
licenseContent,
out string errorMsg);
if (errorCode != (int)EnumErrorCode.EC_OK)
throw new InvalidOperationException($"Offline license failed: {errorMsg}");Imports Dynamsoft.License
Imports Dynamsoft.Core
' Dynamsoft offline: fetch license bundle on a connected machine, persist it,
' then replay it on the offline machine via InitLicenseFromLicenseContent.
Dim errorMsg As String
Dim errorCode As Integer = LicenseManager.InitLicenseFromLicenseContent(licenseContent, errorMsg)
If errorCode <> CType(EnumErrorCode.EC_OK, Integer) Then
Throw New InvalidOperationException($"Offline license failed: {errorMsg}")
End IfImports Dynamsoft.License
Imports Dynamsoft.Core
' Dynamsoft offline: fetch license bundle on a connected machine, persist it,
' then replay it on the offline machine via InitLicenseFromLicenseContent.
Dim errorMsg As String
Dim errorCode As Integer = LicenseManager.InitLicenseFromLicenseContent(licenseContent, errorMsg)
If errorCode <> CType(EnumErrorCode.EC_OK, Integer) Then
Throw New InvalidOperationException($"Offline license failed: {errorMsg}")
End If之后IronBarcode:
// Remove all of the above. Replace with:
IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";// Remove all of the above. Replace with:
IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY"IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY"没有许可证内容包需要获取和刷新。 没有连接机器引导步骤。密钥在本地验证。
Docker 配置
如果您之前有网络出口规则或代理配置以允许出站HTTPS到Dynamsoft的许可证端点:
# Before: Docker or Kubernetes egress policy
# Required: Allow outbound HTTPS to Dynamsoft licence endpoints
# After: Remove that egress rule.
# IronBarcode does not require outbound network access for license validation.
# Set license via environment variable
env:
- name: IRONBARCODE_KEY
valueFrom:
secretKeyRef:
name: ironbarcode-license
key: key
实例管理清理
Dynamsoft使用一个基于CaptureVisionRouter构建的实例API。 如果您的代码在服务类、字段初始化程序或DI注册中创建路由器实例,这些全部消失。
之前——Dynamsoft实例管理:
using Dynamsoft.CVR;
using Dynamsoft.DBR;
using Dynamsoft.License;
using Dynamsoft.Core;
public class BarcodeService : IDisposable
{
private readonly CaptureVisionRouter _router;
public BarcodeService()
{
int errorCode = LicenseManager.InitLicense("KEY", out string errorMsg);
if (errorCode != (int)EnumErrorCode.EC_OK)
throw new InvalidOperationException(errorMsg);
_router = new CaptureVisionRouter();
var settings = _router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES);
settings.BarcodeSettings.ExpectedBarcodesCount = 0;
_router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings);
}
public string[] ReadFile(string path)
{
CapturedResult result = _router.Capture(path, PresetTemplate.PT_READ_BARCODES);
var items = result.GetDecodedBarcodesResult()?.GetItems();
return items?.Select(i => i.GetText()).ToArray() ?? Array.Empty<string>();
}
public void Dispose()
{
_router?.Dispose();
}
}using Dynamsoft.CVR;
using Dynamsoft.DBR;
using Dynamsoft.License;
using Dynamsoft.Core;
public class BarcodeService : IDisposable
{
private readonly CaptureVisionRouter _router;
public BarcodeService()
{
int errorCode = LicenseManager.InitLicense("KEY", out string errorMsg);
if (errorCode != (int)EnumErrorCode.EC_OK)
throw new InvalidOperationException(errorMsg);
_router = new CaptureVisionRouter();
var settings = _router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES);
settings.BarcodeSettings.ExpectedBarcodesCount = 0;
_router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings);
}
public string[] ReadFile(string path)
{
CapturedResult result = _router.Capture(path, PresetTemplate.PT_READ_BARCODES);
var items = result.GetDecodedBarcodesResult()?.GetItems();
return items?.Select(i => i.GetText()).ToArray() ?? Array.Empty<string>();
}
public void Dispose()
{
_router?.Dispose();
}
}Imports Dynamsoft.CVR
Imports Dynamsoft.DBR
Imports Dynamsoft.License
Imports Dynamsoft.Core
Public Class BarcodeService
Implements IDisposable
Private ReadOnly _router As CaptureVisionRouter
Public Sub New()
Dim errorCode As Integer = LicenseManager.InitLicense("KEY", errorMsg:=Nothing)
If errorCode <> CType(EnumErrorCode.EC_OK, Integer) Then
Throw New InvalidOperationException(errorMsg)
End If
_router = New CaptureVisionRouter()
Dim settings = _router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES)
settings.BarcodeSettings.ExpectedBarcodesCount = 0
_router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings)
End Sub
Public Function ReadFile(path As String) As String()
Dim result As CapturedResult = _router.Capture(path, PresetTemplate.PT_READ_BARCODES)
Dim items = result.GetDecodedBarcodesResult()?.GetItems()
Return If(items?.Select(Function(i) i.GetText()).ToArray(), Array.Empty(Of String)())
End Function
Public Sub Dispose() Implements IDisposable.Dispose
_router?.Dispose()
End Sub
End ClassImports Dynamsoft.CVR
Imports Dynamsoft.DBR
Imports Dynamsoft.License
Imports Dynamsoft.Core
Public Class BarcodeService
Implements IDisposable
Private ReadOnly _router As CaptureVisionRouter
Public Sub New()
Dim errorCode As Integer = LicenseManager.InitLicense("KEY", errorMsg:=Nothing)
If errorCode <> CType(EnumErrorCode.EC_OK, Integer) Then
Throw New InvalidOperationException(errorMsg)
End If
_router = New CaptureVisionRouter()
Dim settings = _router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES)
settings.BarcodeSettings.ExpectedBarcodesCount = 0
_router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings)
End Sub
Public Function ReadFile(path As String) As String()
Dim result As CapturedResult = _router.Capture(path, PresetTemplate.PT_READ_BARCODES)
Dim items = result.GetDecodedBarcodesResult()?.GetItems()
Return If(items?.Select(Function(i) i.GetText()).ToArray(), Array.Empty(Of String)())
End Function
Public Sub Dispose() Implements IDisposable.Dispose
_router?.Dispose()
End Sub
End Class之后IronBarcode静态API:
// NuGet: dotnet add package BarCode
using IronBarCode;
public class BarcodeService
{
// No constructor initialization — license set once at app startup
// No Dispose — no instance to clean up
public string[] ReadFile(string path)
{
var options = new BarcodeReaderOptions { ExpectMultipleBarcodes = true };
return BarcodeReader.Read(path, options)
.Select(r => r.Value)
.ToArray();
}
}// NuGet: dotnet add package BarCode
using IronBarCode;
public class BarcodeService
{
// No constructor initialization — license set once at app startup
// No Dispose — no instance to clean up
public string[] ReadFile(string path)
{
var options = new BarcodeReaderOptions { ExpectMultipleBarcodes = true };
return BarcodeReader.Read(path, options)
.Select(r => r.Value)
.ToArray();
}
}Imports IronBarCode
Public Class BarcodeService
' No constructor initialization — license set once at app startup
' No Dispose — no instance to clean up
Public Function ReadFile(path As String) As String()
Dim options As New BarcodeReaderOptions With {.ExpectMultipleBarcodes = True}
Return BarcodeReader.Read(path, options) _
.Select(Function(r) r.Value) _
.ToArray()
End Function
End ClassImports IronBarCode
Public Class BarcodeService
' No constructor initialization — license set once at app startup
' No Dispose — no instance to clean up
Public Function ReadFile(path As String) As String()
Dim options As New BarcodeReaderOptions With {.ExpectMultipleBarcodes = True}
Return BarcodeReader.Read(path, options) _
.Select(Function(r) r.Value) _
.ToArray()
End Function
End Class该类失去了它的构造函数,它的_router字段。 如果此服务在DI中注册为singleton或scoped service来管理路由器生命周期,该注册可以简化或服务可以成为一组静态方法。
阅读速度与超时时间的关系
Dynamsoft使用一个以毫秒为单位的Timeout,针对摄像头帧率进行了优化。 IronBarcode使用一个ReadingSpeed枚举:
| Dynamsoft 设置 | IronBarcode等效产品 |
|---|---|
settings.Timeout = 100 (摄像头管线) | Speed = ReadingSpeed.Faster |
| 低超时时间(优先考虑速度) | Speed = ReadingSpeed.Balanced |
| 更高的超时时间(优先考虑准确性) | Speed = ReadingSpeed.Detailed |
| 最高精度,无时间压力 | Speed = ReadingSpeed.ExtremeDetail |
对于大多数文档处理工作流中,吞吐量比小于100毫秒的响应时间更重要,ReadingSpeed.Balanced是正确的默认设置:
var options = new BarcodeReaderOptions
{
Speed = ReadingSpeed.Balanced,
ExpectMultipleBarcodes = true,
MaxParallelThreads = 4
};var options = new BarcodeReaderOptions
{
Speed = ReadingSpeed.Balanced,
ExpectMultipleBarcodes = true,
MaxParallelThreads = 4
};Dim options As New BarcodeReaderOptions With {
.Speed = ReadingSpeed.Balanced,
.ExpectMultipleBarcodes = True,
.MaxParallelThreads = 4
}Dim options As New BarcodeReaderOptions With {
.Speed = ReadingSpeed.Balanced,
.ExpectMultipleBarcodes = True,
.MaxParallelThreads = 4
}常见迁移问题
BarcodeResultItem.GetText() vs result.Value
访问器从方法改为属性:
// Before
string value = item.GetText();
// After
string value = result.Value;// Before
string value = item.GetText();
// After
string value = result.Value;' Before
Dim value As String = item.GetText()
' After
Dim value As String = result.Value' Before
Dim value As String = item.GetText()
' After
Dim value As String = result.ValueBarcodeResultItem.GetFormatString() vs result.Format
Dynamsoft通过GetFormatString()以字符串形式返回格式。 IronBarcode通过result.Format上公开它:
// Before
if (item.GetFormatString() == "QR_CODE")
Console.WriteLine("Found QR code");
// After
if (result.Format == BarcodeEncoding.QRCode)
Console.WriteLine("Found QR code");
// For logging without enum comparison — .ToString() works on both
Console.WriteLine($"Format: {result.Format}");// Before
if (item.GetFormatString() == "QR_CODE")
Console.WriteLine("Found QR code");
// After
if (result.Format == BarcodeEncoding.QRCode)
Console.WriteLine("Found QR code");
// For logging without enum comparison — .ToString() works on both
Console.WriteLine($"Format: {result.Format}");' Before
If item.GetFormatString() = "QR_CODE" Then
Console.WriteLine("Found QR code")
End If
' After
If result.Format = BarcodeEncoding.QRCode Then
Console.WriteLine("Found QR code")
End If
' For logging without enum comparison — .ToString() works on both
Console.WriteLine($"Format: {result.Format}")' Before
If item.GetFormatString() = "QR_CODE" Then
Console.WriteLine("Found QR code")
End If
' After
If result.Format = BarcodeEncoding.QRCode Then
Console.WriteLine("Found QR code")
End If
' For logging without enum comparison — .ToString() works on both
Console.WriteLine($"Format: {result.Format}")空结果与空集合
当未找到条形码时,Dynamsoft的null。 IronBarcode返回一个空集合。 更新空值检查:
// Before: null check required
CapturedResult result = router.Capture(path, PresetTemplate.PT_READ_BARCODES);
var items = result.GetDecodedBarcodesResult()?.GetItems();
if (items != null && items.Length > 0)
Process(items[0].GetText());
// After: null-safe but also correct to check Count
var results = BarcodeReader.Read(path);
if (results.Any())
Process(results.First().Value);// Before: null check required
CapturedResult result = router.Capture(path, PresetTemplate.PT_READ_BARCODES);
var items = result.GetDecodedBarcodesResult()?.GetItems();
if (items != null && items.Length > 0)
Process(items[0].GetText());
// After: null-safe but also correct to check Count
var results = BarcodeReader.Read(path);
if (results.Any())
Process(results.First().Value);Imports System.Linq
' Before: null check required
Dim result As CapturedResult = router.Capture(path, PresetTemplate.PT_READ_BARCODES)
Dim items = result.GetDecodedBarcodesResult()?.GetItems()
If items IsNot Nothing AndAlso items.Length > 0 Then
Process(items(0).GetText())
End If
' After: null-safe but also correct to check Count
Dim results = BarcodeReader.Read(path)
If results.Any() Then
Process(results.First().Value)
End IfImports System.Linq
' Before: null check required
Dim result As CapturedResult = router.Capture(path, PresetTemplate.PT_READ_BARCODES)
Dim items = result.GetDecodedBarcodesResult()?.GetItems()
If items IsNot Nothing AndAlso items.Length > 0 Then
Process(items(0).GetText())
End If
' After: null-safe but also correct to check Count
Dim results = BarcodeReader.Read(path)
If results.Any() Then
Process(results.First().Value)
End IfSimplifiedCaptureVisionSettings to BarcodeReaderOptions
GetSimplifiedSettings / Read:
// Before
var settings = router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES);
settings.BarcodeSettings.ExpectedBarcodesCount = 0;
settings.Timeout = 500;
router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings);
var result = router.Capture(path, PresetTemplate.PT_READ_BARCODES);
// After
var options = new BarcodeReaderOptions
{
Speed = ReadingSpeed.Balanced,
ExpectMultipleBarcodes = true
};
var results = BarcodeReader.Read(path, options);// Before
var settings = router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES);
settings.BarcodeSettings.ExpectedBarcodesCount = 0;
settings.Timeout = 500;
router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings);
var result = router.Capture(path, PresetTemplate.PT_READ_BARCODES);
// After
var options = new BarcodeReaderOptions
{
Speed = ReadingSpeed.Balanced,
ExpectMultipleBarcodes = true
};
var results = BarcodeReader.Read(path, options);' Before
Dim settings = router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES)
settings.BarcodeSettings.ExpectedBarcodesCount = 0
settings.Timeout = 500
router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings)
Dim result = router.Capture(path, PresetTemplate.PT_READ_BARCODES)
' After
Dim options As New BarcodeReaderOptions With {
.Speed = ReadingSpeed.Balanced,
.ExpectMultipleBarcodes = True
}
Dim results = BarcodeReader.Read(path, options)' Before
Dim settings = router.GetSimplifiedSettings(PresetTemplate.PT_READ_BARCODES)
settings.BarcodeSettings.ExpectedBarcodesCount = 0
settings.Timeout = 500
router.UpdateSettings(PresetTemplate.PT_READ_BARCODES, settings)
Dim result = router.Capture(path, PresetTemplate.PT_READ_BARCODES)
' After
Dim options As New BarcodeReaderOptions With {
.Speed = ReadingSpeed.Balanced,
.ExpectMultipleBarcodes = True
}
Dim results = BarcodeReader.Read(path, options)迁移清单
运行以下搜索,查找所有需要更新的 Dynamsoft 参考资料:
grep -r "using Dynamsoft\." --include="*.cs" .
grep -r "LicenseManager.InitLicense\|EnumErrorCode\|EC_OK" --include="*.cs" .
grep -r "new CaptureVisionRouter\|router\.Capture\|PresetTemplate" --include="*.cs" .
grep -r "BarcodeResultItem\|GetDecodedBarcodesResult\|GetFormatString" --include="*.cs" .
grep -r "GetSimplifiedSettings\|UpdateSettings\|SimplifiedCaptureVisionSettings" --include="*.cs" .
grep -r "router\.Dispose\|InitLicenseFromLicenseContent" --include="*.cs" .
逐场比赛进行分析:
using Dynamsoft.*→using IronBarCodeLicenseManager.InitLicense(key, out errorMsg)+ 错误检查 →IronBarCode.License.LicenseKey = "key"new CaptureVisionRouter()→ 移除(静态API,无实例)router.Capture(path, PresetTemplate.PT_READ_BARCODES)→BarcodeReader.Read(path)router.Capture(imageData, ...)(原始像素缓冲) →BarcodeReader.Read(imageBytes)- 每页PDF渲染循环 +
router.Capture(pageBytes, ...)→BarcodeReader.Read(pdfPath) BarcodeResultItem.GetText()→result.ValueBarcodeResultItem.GetFormatString()→result.FormatGetSimplifiedSettings(...)+UpdateSettings(...)→new BarcodeReaderOptions { ... }router.Dispose()→ 移除LicenseManager.InitLicenseFromLicenseContent(...)→ 完全移除- 如果添加 PdfiumViewer NuGet包仅仅是为了支持 Dynamsoft PDF 处理,则将其移除。
- 移除Dynamsoft许可端点的Docker/Kubernetes网络出口规则
- 在部署配置中设置
IRONBARCODE_KEY环境变量
Curtis Chau 拥有卡尔顿大学的计算机科学学士学位,专注于前端开发,精通 Node.js、TypeScript、JavaScript 和 React。他热衷于打造直观且美观的用户界面,喜欢使用现代框架并创建结构良好、视觉吸引力强的手册。
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