272 lines
9.0 KiB
C#
272 lines
9.0 KiB
C#
using Aspose.Pdf;
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using Aspose.Pdf.AI;
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using Aspose.Pdf.Devices;
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using Aspose.Pdf.Drawing;
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using OpenCvSharp;
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using OpenCvSharp.Extensions;
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using System;
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using System.Collections.Specialized;
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using System.Drawing;
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using System.Runtime.InteropServices;
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using static System.Net.Mime.MediaTypeNames;
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//using System.Drawing.Common;
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//using OpenCvSharp.Extensions;
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//using ZXing;
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namespace TestProject1
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{
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[TestClass]
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public class UnitTest1
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{
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[TestMethod]
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public void TestMethod1()
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{
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try
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{
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//DecodeQRCodes();
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//var doc = PdfReader.Open(@"C:\Users\Fareoh\Desktop\工作清单\派诺\发货签收单\P2401001-XNZ01-POORD007585-珠海兴诺能源技术有限公司-500.pdf");
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//文档目录的路径。
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string dataDir = @"C:\Users\Fareoh\Desktop\工作清单\派诺\发货签收单\Test\";
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Document pdfDocument = new Document(dataDir + "P2401001-XNZ01-POORD007585-珠海兴诺能源技术有限公司-500.pdf");
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//Mat src;
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//打开文档
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//Document pdfDocument = new Document(dataDir + "PagesToImages.pdf");
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for (int pageCount = 1; pageCount <= pdfDocument.Pages.Count; pageCount++)
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{
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using (FileStream imageStream = new FileStream(dataDir + "image" + pageCount + "_out" + ".jpg", FileMode.Create))
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{
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//src = new Mat();
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//var height = src.Rows;
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//var width = src.Cols;
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//var channels = src.Channels();
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//var mattype = src.Type();
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//var src = new Mat(height, width, MatType.CV_8UC3);
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//int length = height * width * 3; // or src.Height * src.Step;
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//Marshal.Copy(data, 0, src.Data, length);
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//创建具有指定属性的 JPEG 设备
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//宽度、高度、分辨率、质量
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//质量 [0-100]，100 为最大值
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//创建 Resolution 对象
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Resolution resolution = new Resolution(300);
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//JpegDevice jpegDevice = new JpegDevice(500, 700, 分辨率, 100);
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JpegDevice jpegDevice = new JpegDevice(resolution, 100);
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//转换特定页面并将图像保存到流中
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jpegDevice.Process(pdfDocument.Pages[pageCount], imageStream);
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//关闭流
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imageStream.Close();
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}
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}
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Console.WriteLine("PDF pages are converted to individual images successfully!");
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//CollectionUtils
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Mat src = new Mat(@"C:\Users\Fareoh\OneDrive\图片\work\二维码原图片.jpg");
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// 加载图像
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//Mat src = Cv2.ImRead("path_to_your_image.jpg");
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// 定义检测区域 (x, y, width, height)
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Rect region = new Rect(2000, 400, 500, 500);
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// 调用检测方法
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//string result = DetectQRCodeInRegion(src, region);
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// 输出结果
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//Console.WriteLine("Decoded QR Code: " + result);
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//DecodeQRCodes(src, region);
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}
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catch (Exception ex)
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{
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}
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}
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[TestMethod]
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public void TestMethod2()
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{
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//文档目录的路径。
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string dataDir = @"C:\Users\Fareoh\Desktop\工作清单\派诺\发货签收单\Test\";
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string dataPutDir = @"C:\Users\Fareoh\Desktop\工作清单\派诺\发货签收单\";
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var dirInfoDi = new Dictionary<string, string>();
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List<string> QRCodeList = new List<string>();
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try
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{
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var diInfos = new DirectoryInfo(dataPutDir);
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var jpgfiles = diInfos.GetFiles("*.JPG");
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if (jpgfiles != null && jpgfiles.Count() > 0)
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{
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foreach (var file in jpgfiles)
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{
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Mat src = new Mat(file.FullName);
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var srcWidth = src.Width;
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var srcHeight = src.Height;
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int x = srcWidth / 2;
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int y = 0;
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int width = srcWidth / 2;
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int height = srcHeight / 2;
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Rect region = new Rect(x, y, width, height);
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DecodeQRCodes(src, region, out string[] qrCodeTexts);
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if (qrCodeTexts != null)
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{
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QRCodeList.AddRange(qrCodeTexts);
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dirInfoDi.Add(qrCodeTexts[0], dataPutDir);
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}
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}
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}
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var pdffiles = diInfos.GetFiles("*.PDF");
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Bitmap bitmap = new Bitmap("image.jpg");
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Mat mat = BitmapConverter.ToMat(bitmap); // 将 Bitmap 转换为 Mat
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.Message);
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}
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}
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public override void CustomEvents(CustomEventsArgs e)
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{
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if (e.Key.ToUpper() == "FFileUpdate".ToUpper())
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{ //触发事件是上传文件有变化
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if (e.EventName.ToUpper() == "FILECHANGED")
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{
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JSONObject jSONObject = KDObjectConverter.DeserializeObject(e.EventArgs); if (jSONObject != null)
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{
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JSONArray jSONArray = new JSONArray(jSONObject["NewValue"].ToString()); if (jSONArray.Count > 0)
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{
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//获取上传的文件名
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string text = (jSONArray[0] as Dictionary)["ServerFileName"].ToString();
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//文件上传到服务端的临时目录
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string directory = "FileUpLoadServices\\UploadFiles";
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//文件的完整路径
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string fileFullPath = PathUtils.GetPhysicalPath(directory, text);
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}
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}
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}
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}
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base.CustomEvents(e);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="src"></param>
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/// <param name="region"></param>
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/// <returns></returns>
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public static string DetectQRCodeInRegion(Mat src, Rect region)
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{
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// 裁剪指定区域
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Mat roi = new Mat(src, region);
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// 转为灰度图像
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Mat gray = new Mat();
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Cv2.CvtColor(roi, gray, ColorConversionCodes.BGR2GRAY);
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// 二值化处理
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Mat binary = new Mat();
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Cv2.Threshold(gray, binary, 0, 255, ThresholdTypes.Binary | ThresholdTypes.Otsu);
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// 检测和解码二维码
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QRCodeDetector qrCodeDetector = new QRCodeDetector();
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Point2f[] points;
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string decodedText = qrCodeDetector.DetectAndDecode(binary, out points);
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// 返回解码结果
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return decodedText;
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}
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/// <summary>
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/// 只识别二维码
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/// </summary>
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/// <param name="src"></param>
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/// <param name="region"></param>
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private static void DecodeQRCodes(Mat src, Rect region, out string[] qrCodeTexts)
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{
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qrCodeTexts = null;
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// 裁剪指定区域
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Mat roi = new Mat(src, region);
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// 转为灰度图像
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Mat gray = new Mat();
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Cv2.CvtColor(roi, gray, ColorConversionCodes.BGR2GRAY);
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// 二值化处理
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Mat binary = new Mat();
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Cv2.Threshold(gray, binary, 0, 255, ThresholdTypes.Binary | ThresholdTypes.Otsu);
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//二维码识别
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using (QRCodeDetector qRCodeDetector = new QRCodeDetector())
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{
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Point2f[] points;
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var hasQRCode = qRCodeDetector.DetectMulti(binary, out points);
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if (hasQRCode)
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{
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qRCodeDetector.DecodeMulti(binary, points, out qrCodeTexts);
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}
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}
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}
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/// <summary>
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/// 只识别二维码
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/// </summary>
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private static void DecodeQRCodes()
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{
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var img = Cv2.ImRead(@"C:\Users\Fareoh\OneDrive\图片\work\二维码原图片.jpg");
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string[] qrCodeTexts = null;
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//二维码识别
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using (QRCodeDetector qRCodeDetector = new QRCodeDetector())
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{
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Point2f[] points;
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var hasQRCode = qRCodeDetector.DetectMulti(img, out points);
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if (hasQRCode)
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{
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qRCodeDetector.DecodeMulti(img, points, out qrCodeTexts);
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}
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}
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if (qrCodeTexts != null)
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{
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Console.WriteLine($"检测到{qrCodeTexts.Length}个二维码：");
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for (int i = 0; i < qrCodeTexts.Length; i++)
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{
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Console.WriteLine($"第{(i + 1)}个的内容为：{qrCodeTexts[i]}");
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}
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}
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}
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}
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} |