Class BarCodeReader

Class BarCodeReader

名称: Aspose.BarCode.BarCodeRecognition 聚集: Aspose.BarCode.dll (25.4.0)

BarCodeReader 包含一个或多个条码的图像,然后可以执行 ReadBarCodes 操作,以检测条码。

[XmlSerialization(Name = "Aspose.BarCode.Reader.Properties")]
public class BarCodeReader : IDisposable

Inheritance

object ← BarCodeReader

Implements

IDisposable

继承人

object.GetType() , object.MemberwiseClone() , object.ToString() , object.Equals(object?) , object.Equals(object?, object?) , object.ReferenceEquals(object?, object?) , object.GetHashCode()

Examples

此样本显示如何检测代码39和代码128的条码。

using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

Constructors

BarCodeReader()

启动 Aspose.BarCode.BarCodeRecognition.BarCodeReader 类的新例子与默认值。需要设置图像(SetBitmapImage())之前呼叫 ReadBarCodes() 方法。

public BarCodeReader()

Examples

此样本显示如何检测代码39和代码128的条码。

using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128);
    reader.SetBarCodeImage(@"c:\test.png");
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using reader As New BarCodeReader()
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128)
    reader.SetBarCodeImage("c:\test.png")
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

BarCodeReader(Bitmap) 

public BarCodeReader(Bitmap image)

Parameters

image Bitmap

BarCodeReader(圖片來源:Bitmap,Params BaseDecodeType[]) 

public BarCodeReader(Bitmap image, params BaseDecodeType[] decodeTypes)

Parameters

image Bitmap

decodeTypes BaseDecodeType ( )

BarCodeReader(Bitmap、BaseDecodeType) 

public BarCodeReader(Bitmap image, BaseDecodeType type)

Parameters

image Bitmap

type BaseDecodeType

BarCodeReader(Bitmap, Rectangle, Params BaseDecodeType[]) 

public BarCodeReader(Bitmap image, Rectangle area, params BaseDecodeType[] decodeTypes)

Parameters

image Bitmap

area Rectangle

decodeTypes BaseDecodeType ( )

BarCodeReader(Bitmap、Rectangle、BaseDecodeType) 

public BarCodeReader(Bitmap image, Rectangle area, BaseDecodeType type)

Parameters

image Bitmap

area Rectangle

type BaseDecodeType

BarCodeReader(Bitmap, 直角( ), 帕拉姆 BaseDecodeType[]) 

public BarCodeReader(Bitmap image, Rectangle[] areas, params BaseDecodeType[] decodeTypes)

Parameters

image Bitmap

areas 直角( )

decodeTypes BaseDecodeType ( )

BarCodeReader(Bitmap, 直角( ), BaseDecodeType) 

public BarCodeReader(Bitmap image, Rectangle[] areas, BaseDecodeType type)

Parameters

image Bitmap

areas 直角( )

type BaseDecodeType

BarCodeReader(线条)

从文件中启动 Aspose.BarCode.BarCodeRecognition.BarCodeReader 类的新例子。

public BarCodeReader(string filename)

Parameters

filename string

菲律宾名称

Examples

此样本显示如何检测代码39和代码128的条码。

using (BarCodeReader reader = new BarCodeReader(@"c:\test.png"))
{
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128);
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using reader As New BarCodeReader("c:\test.png")
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128)
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

BarCodeReader(字符串, params BaseDecodeType[])

启动 Aspose.BarCode.BarCodeRecognition.BarCodeReader 类的新例子。

public BarCodeReader(string filename, params BaseDecodeType[] decodeTypes)

Parameters

filename string

菲律宾名称

decodeTypes BaseDecodeType ( )

Decode 类型

Examples

此样本显示如何检测代码39和代码128的条码。

using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

BarCodeReader(序列, BaseDecodeType)

启动 Aspose.BarCode.BarCodeRecognition.BarCodeReader 类的新例子。

public BarCodeReader(string filename, BaseDecodeType type)

Parameters

filename string

菲律宾名称

type BaseDecodeType

代码类型。

Examples

此样本显示如何检测代码39和代码128的条码。

using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", new MultyDecodeType(DecodeType.Code39, DecodeType.Code128)))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using reader As New BarCodeReader("c:\test.png", New MultyDecodeType(DecodeType.Code39, DecodeType.Code128))
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

BarCodeReader(Stream)

启动 Aspose.BarCode.BarCodeRecognition.BarCodeReader 类的新例子。

public BarCodeReader(Stream stream)

Parameters

stream Stream

流的。

Examples

此样本显示如何检测代码39和代码128的条码。

using (FileStream fstr = new FileStream(@"c:\test.png", FileMode.Open))
using (BarCodeReader reader = new BarCodeReader(fstr))
{
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128);
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using fstr = New FileStream("c:\test.png", FileMode.Open)
    Using reader As New BarCodeReader(fstr)
        reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

BarCodeReader(流量, BaseDecodeType)

启动 Aspose.BarCode.BarCodeRecognition.BarCodeReader 类的新例子。

public BarCodeReader(Stream stream, BaseDecodeType type)

Parameters

stream Stream

流的。

type BaseDecodeType

代码类型。

Examples

此样本显示如何检测代码39和代码128的条码。

using (FileStream fstr = new FileStream(@"c:\test.png", FileMode.Open))
using (BarCodeReader reader = new BarCodeReader(fstr, new MultyDecodeType(DecodeType.Code39, DecodeType.Code128)))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using fstr = New FileStream("c:\test.png", FileMode.Open)
    Using reader As New BarCodeReader(fstr, New MultyDecodeType(DecodeType.Code39, DecodeType.Code128))
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

BarCodeReader(流量, Params BaseDecodeType[])

启动 Aspose.BarCode.BarCodeRecognition.BarCodeReader 类的新例子。

public BarCodeReader(Stream stream, params BaseDecodeType[] decodeTypes)

Parameters

stream Stream

流的。

decodeTypes BaseDecodeType ( )

Decode 类型

Examples

此样本显示如何检测代码39和代码128的条码。

using (FileStream fstr = new FileStream(@"c:\test.png", FileMode.Open))
using (BarCodeReader reader = new BarCodeReader(fstr, DecodeType.Code39, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using fstr = New FileStream("c:\test.png", FileMode.Open)
    Using reader As New BarCodeReader(fstr, DecodeType.Code39, DecodeType.Code128)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Properties

BarcodeSettings

主要的 BarCode 解码参数. 包含影响已识别的数据的参数。

[XmlSerialization(Type = XmlSerializationType.Element)]
public BarcodeSettings BarcodeSettings { get; }

财产价值

BarcodeSettings

FoundBarCodes

得到识别 Aspose.BarCode.BarCodeRecognition.BarCodeResults 序列

public BarCodeResult[] FoundBarCodes { get; }

财产价值

BarCodeResult ( )

Examples

此示例显示如何使用 BarCodeReader 阅读条形码

using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
    reader.ReadBarCodes();
    for(int i = 0; reader.FoundCount > i; ++i)
        Console.WriteLine("BarCode CodeText: " + reader.FoundBarCodes[i].CodeText);
}
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    reader.ReadBarCodes()
    For i As Integer = 0 To reader.FoundCount - 1 Step 1
        Console.WriteLine("BarCode CodeText: " + reader.FoundBarCodes(i).CodeText)
    Next
End Using

FoundCount

得到认可的条形码计算

public int FoundCount { get; }

财产价值

int

Examples

此示例显示如何使用 BarCodeReader 阅读条形码

using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
    reader.ReadBarCodes();
    for(int i = 0; reader.FoundCount > i; ++i)
        Console.WriteLine("BarCode CodeText: " + reader.FoundBarCodes[i].CodeText);
}
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    reader.ReadBarCodes()
    For i As Integer = 0 To reader.FoundCount - 1 Step 1
        Console.WriteLine("BarCode CodeText: " + reader.FoundBarCodes(i).CodeText)
    Next
End Using

ProcessorSettings

获得使用处理器核心的设置。

public static ProcessorSettings ProcessorSettings { get; }

财产价值

ProcessorSettings

Examples

此示例显示如何使用 ProcessorSettings 以添加最大多层性能

//this allows to use all cores for single BarCodeReader call
BarCodeReader.ProcessorSettings.UseAllCores = true;
//this allows to use current count of cores
BarCodeReader.ProcessorSettings.UseAllCores = false;
BarCodeReader.ProcessorSettings.UseOnlyThisCoresCount = Math.Max(1, Environment.ProcessorCount / 2);
'this allows to use all cores for single BarCodeReader call
BarCodeReader.ProcessorSettings.UseAllCores = True
'this allows to use current count of cores
BarCodeReader.ProcessorSettings.UseAllCores = False
BarCodeReader.ProcessorSettings.UseOnlyThisCoresCount = Math.Max(1, Environment.ProcessorCount / 2)

QualitySettings

QualitySettings 可手动设置识别质量和速度。您可以通过内置前置快速设置 QualitySettings: HighPerformance, NormalQuality,HighQuality、MaxBarCodes 或您可以手动设置单独的选项。QualitySettings 的默认值是 NormalQuality。

[XmlSerialization(Type = XmlSerializationType.Element)]
public QualitySettings QualitySettings { get; set; }

财产价值

QualitySettings

Examples

此示例显示如何使用 QualitySettings 与 BarCodeReader

using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
   //set high performance mode
   reader.QualitySettings = QualitySettings.HighPerformance;
   foreach (BarCodeResult result in reader.ReadBarCodes())
      Console.WriteLine("BarCode CodeText: " + result.CodeText);
}
using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
   //normal quality mode is set by default
   foreach (BarCodeResult result in reader.ReadBarCodes())
      Console.WriteLine("BarCode CodeText: " + result.CodeText);
}
using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
   //set high performance mode
   reader.QualitySettings = QualitySettings.HighPerformance;
   //set separate options
   reader.QualitySettings.AllowMedianSmoothing = true;
   reader.QualitySettings.MedianSmoothingWindowSize = 5;
   foreach (BarCodeResult result in reader.ReadBarCodes())
      Console.WriteLine("BarCode CodeText: " + result.CodeText);
}
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    'set high performance mode
    reader.QualitySettings = QualitySettings.HighPerformance
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
    Next
End Using
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    'normal quality mode is set by default
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
    Next
End Using
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
   'set high performance mode
   reader.QualitySettings = QualitySettings.HighPerformance
   'set separate options
   reader.QualitySettings.AllowMedianSmoothing = True
   reader.QualitySettings.MedianSmoothingWindowSize = 5
   For Each result As BarCodeResult In reader.ReadBarCodes()
       Console.WriteLine("BarCode Type: " + result.CodeTypeName)
   Next
End Using

Timeout

接收或设置识别过程的时间在千秒内。

[XmlSerialization(Type = XmlSerializationType.Element)]
public int Timeout { get; set; }

财产价值

int

Examples

此样本显示如何避免在大图像上使用时间表的认知狗

using (BarCodeReader reader = new BarCodeReader(@"c:\test.png"))
{
    reader.Timeout = 5000;
    foreach (BarCodeResult result in reader.ReadBarCodes())
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
}
Using reader As New BarCodeReader("c:\test.png")
    reader.Timeout = 5000
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

Methods

Abort()

函数要求从另一个条纹中终止当前的识别会议,堕胎是无法阻止的方法,并在打电话后立即返回控制。该方法应在识别过程过长时使用。

public void Abort()

Examples

此样本显示如何从其他条纹中呼叫堕胎功能

private static void ThreadRecognize(object readerObj)
{
    BarCodeReader reader = (BarCodeReader)readerObj;
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeType);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}

BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128);
Thread thread1 = new Thread(ThreadRecognize);
thread1.Start(reader);
Thread.Sleep(100);
reader.Abort();
Private Shared Sub ThreadRecognize(readerObj As Object)
    Dim reader As BarCodeReader = readerObj
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Sub

Dim reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
Dim thread1 As New Thread(AddressOf ThreadRecognize)
thread1.Start(reader)
Thread.Sleep(100)
reader.Abort()

Dispose() 

public void Dispose()

ExportToXml(线条)

将 BarCode 属性导出到所指定的 xml 文件

public bool ExportToXml(string xmlFile)

Parameters

xmlFile string

文件的名称

Returns

bool

无论出口还是不出口,都成功完成了。

Returns True 如果成功; False Otherwise

ExportToXml(Stream)

出口 BarCode 属性到所指定的 xml 流

public bool ExportToXml(Stream xmlStream)

Parameters

xmlStream Stream

xml流用于节约

Returns

bool

无论出口还是不出口,都成功完成了。

Returns True 如果成功; False Otherwise

ImportFromXml(线条)

从所指定的 xml 文件中导入 BarCode 属性,并将其应用到当前 BarCodeReader 示例中。

public static BarCodeReader ImportFromXml(string xmlFile)

Parameters

xmlFile string

文件的名称

Returns

BarCodeReader

Returns True 如果成功;

False Otherwise

ImportFromXml(Stream)

从指定的 xml 流中进口 BarCode 属性,并将其应用于当前 BarCodeReader 例子。

public static BarCodeReader ImportFromXml(Stream xmlStream)

Parameters

xmlStream Stream

xml-stream 用于加载

Returns

BarCodeReader

Returns True 如果成功;

False Otherwise

ReadBarCodes()

阅读 Aspose.BarCode.BarCodeRecognition.BarCode从图像中获取结果。

public BarCodeResult[] ReadBarCodes()

Returns

BarCodeResult ( )

在图像上返回已识别的 Aspose.BarCode.BarCodeRecognition.BarCodeResults 序列. 如果没有识别,则将返回零序列。

Examples

此示例显示如何使用 BarCodeReader 阅读条形码

using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
}
using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
    reader.ReadBarCodes();
    for(int i = 0; reader.FoundCount > i; ++i)
        Console.WriteLine("BarCode CodeText: " + reader.FoundBarCodes[i].CodeText);
}
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    reader.ReadBarCodes()
    For i As Integer = 0 To reader.FoundCount - 1 Step 1
        Console.WriteLine("BarCode CodeText: " + reader.FoundBarCodes(i).CodeText)
    Next
End Using

Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

SetBarCodeImage(Bitmap) 

public void SetBarCodeImage(Bitmap value)

Parameters

value Bitmap

SetBarCodeImage(Bitmap, 直角[]) 

public void SetBarCodeImage(Bitmap value, Rectangle[] areas)

Parameters

value Bitmap

areas 直角( )

SetBarCodeImage(Bitmap, 直角) 

public void SetBarCodeImage(Bitmap value, Rectangle area)

Parameters

value Bitmap

area Rectangle

SetBarCodeImage(线条)

设置图像文件以识别。必须在 ReadBarCodes() 方法之前进行呼叫。

public void SetBarCodeImage(string filename)

Parameters

filename string

图像文件为 recogniton。

Examples

此样本显示如何检测代码39和代码128的条码。

using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128);
    reader.SetBarCodeImage(@"c:\test.png");
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using reader As New BarCodeReader()
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128)
    reader.SetBarCodeImage("c:\test.png")
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

SetBarCodeImage(Stream)

设置图像流以识别。必须在 ReadBarCodes() 方法之前进行呼叫。

public void SetBarCodeImage(Stream stream)

Parameters

stream Stream

图像流向认可。

Examples

此样本显示如何检测代码39和代码128的条码。

using (FileStream fstr = new FileStream(@"c:\test.png", FileMode.Open))
using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128);
    reader.SetBarCodeImage(fstr);
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using fstr = New FileStream("c:\test.png", FileMode.Open)
    Using reader As New BarCodeReader()
        reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128)
        reader.SetBarCodeImage(fstr)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

SetBarCodeReadType(首頁 〉外文書 SingleDecodeType[])

设置 Aspose.BarCode.BarCodeRecognition.SingleDecodeType 类型序列以识别。必须在 ReadBarCodes() 方法之前进行呼叫。

public void SetBarCodeReadType(params SingleDecodeType[] barcodeTypes)

Parameters

barcodeTypes SingleDecodeType ( )

Aspose.BarCode.BarCodeRecognition.SingleDecodeType 类型序列可阅读。

Examples

此样本显示如何检测代码39和代码128的条码。

using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128);
    reader.SetBarCodeImage(@"c:\test.png");
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using reader As New BarCodeReader()
    reader.SetBarCodeReadType(DecodeType.Code39, DecodeType.Code128)
    reader.SetBarCodeImage("c:\test.png")
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

SetBarCodeReadType(BaseDecodeType)

设置识别代码类型。必须在 ReadBarCodes() 方法之前进行呼叫。

[XmlSerialization(Name = "BarCodeReadType")]
public void SetBarCodeReadType(BaseDecodeType type)

Parameters

type BaseDecodeType

阅读的条形码类型

Examples

此样本显示如何检测代码39和代码128的条码。

using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(new MultyDecodeType(DecodeType.Code39, DecodeType.Code128));
    reader.SetBarCodeImage(@"c:\test.png");
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
Using reader As New BarCodeReader()
    reader.SetBarCodeReadType(New MultyDecodeType(DecodeType.Code39, DecodeType.Code128))
    reader.SetBarCodeImage("c:\test.png")
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using
 中文