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常用工具集/ViewModels/03图片相关/二维码条形码解析ViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using Avalonia.Media.Imaging;
+using Avalonia.Platform.Storage;
+using SkiaSharp;
+using ZXing;
+using ZXing.Common;
+using ZXing.SkiaSharp;
+using 常用工具集.Base;
+
+namespace 常用工具集.ViewModel._03图片相关
+{
+    public class 二维码条形码解析ViewModel : ViewModelBase
+    {
+        public string ImagePath { get; set; } = "";
+        public string Result { get; set; } = "";
+
+        public DelegateCommand SelectPathCmd { get; set; }
+        public DelegateCommand GetResultCmd { get; set; }
+
+        public 二维码条形码解析ViewModel()
+        {
+            SelectPathCmd = new DelegateCommand(SelectPathCmdFunc);
+            GetResultCmd = new DelegateCommand(GetResultCmdFunc);
+        }
+
+
+
+        /// <summary>
+        /// 选择文件
+        /// </summary>
+        /// <param name="obj"></param>
+        private async void SelectPathCmdFunc(object obj)
+        {  
+            var sp = GlobalValues.StorageProvider;
+            if (sp is null) return;
+            FilePickerOpenOptions options = new FilePickerOpenOptions();
+            options.Title = "选择二维码图片";
+            options.AllowMultiple = false;
+            options.FileTypeFilter = [
+                  FilePickerFileTypes.ImageAll
+                 ];
+            var result = await sp.OpenFilePickerAsync(options);
+            if (result == null || result.Count == 0) return;
+            ImagePath = result.FirstOrDefault()?.Path.LocalPath;
+        }
+
+
+        private void GetResultCmdFunc(object obj)
+        {
+            try
+            {
+                MultiFormatReader formatReader = new MultiFormatReader();
+                Dictionary<DecodeHintType, object> hints = new Dictionary<DecodeHintType, object>();
+                hints.Add(DecodeHintType.CHARACTER_SET, Encoding.UTF8.HeaderName);
+                // 优化精度 
+                hints.Add(DecodeHintType.TRY_HARDER, true);
+                // 复杂模式，开启PURE_BARCODE模式 
+                hints.Add(DecodeHintType.PURE_BARCODE, true);
+                formatReader.Hints = hints;
+                SKBitmap bitmap = SKBitmap.Decode(ImagePath);
+                LuminanceSource source = new SKBitmapLuminanceSource(bitmap);
+                Result result = formatReader.decode(new BinaryBitmap(new HybridBinarizer(source)));
+                if (null == result)
+                {
+                    result = formatReader.decode(new BinaryBitmap(new GlobalHistogramBinarizer(source)));
+                }
+                bitmap.Dispose();
+                if (result != null)
+                {
+                    Result = result.Text; // 显示解析出的一维码文本内容
+                }
+                else
+                {
+                    Result = "未能解析条码";
+                }
+            }
+            catch (Exception ex)
+            {
+                Result = ex.Message;
+            }
+        }
+    }
+}