统计大小

Converters/SizeConverter.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+
+namespace HashCalculator.GUI.Converters
+{
+    internal class SizeConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var size = (int)value;
+            var suffixes = new[]
+            {
+                (1024, 1.0, ""),
+                (1024 * 1024, 1024.0, "K"),
+                (1024 * 1024 * 1024, 1024 * 1024.0, "M"),
+            };
+            foreach (var (limit, divisor, suffix) in suffixes)
+            {
+                if (size < limit)
+                {
+                    return $"{size / divisor:0.00}{suffix}B";
+                }
+            }
+            return $"{size / (1024.0 * 1024.0 * 1024.0):0.00}GB";
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}