添加了数据库相关了类，和枚举类型相关的类，并且将枚举类型绑定到前段

Extensions/EnumBindingSourceExtension.cs

@@ -0,0 +1,50 @@
+using System.Windows.Markup;
+
+namespace PMSWPF.Extensions;
+
+class EnumBindingSourceExtension : MarkupExtension
+{
+    private Type? _enumType;
+
+    public Type? EnumType
+    {
+        get => _enumType;
+        set
+        {
+            if (value != _enumType)
+            {
+                if (value != null)
+                {
+                    Type enumType = Nullable.GetUnderlyingType(value) ?? value;
+                    if (!enumType.IsEnum)
+                        throw new ArgumentException("Type must be for an Enum.");
+                }
+
+                _enumType = value;
+            }
+        }
+    }
+
+    public EnumBindingSourceExtension() { }
+
+    public EnumBindingSourceExtension(Type enumType)
+    {
+        EnumType = enumType;
+    }
+
+    public override object ProvideValue(IServiceProvider serviceProvider)
+    {
+        if (_enumType == null)
+            throw new InvalidOperationException("The EnumType must be specified.");
+
+        var actualEnumType = Nullable.GetUnderlyingType(_enumType) ?? _enumType;
+        var enumValues = Enum.GetValues(actualEnumType);
+
+        if (actualEnumType == _enumType)
+            return enumValues;
+
+        var tempArray = Array.CreateInstance(actualEnumType, enumValues.Length + 1);
+        enumValues.CopyTo(tempArray, 1);
+        return tempArray;
+    }
+}

Extensions/ObjectExtensions.cs

@@ -25,4 +25,27 @@ public static class ObjectExtensions
            }
        }
     }
+    
+    /// <summary>
+    /// 创建一个泛型对象，将source对象上的所有属性的值，都转换到新创建对象上
+    /// </summary>
+    /// <param name="source"></param>
+    /// <param name="target"></param>
+    /// <typeparam name="T"></typeparam>
+    public static void NewTo<T>(this Object source ) where T : new()
+    {
+        T target = new T();
+        var sourceType = source.GetType();
+        var targetType = target.GetType();
+        var sourceProperties = sourceType.GetProperties();
+        foreach (PropertyInfo sourceProperty in sourceProperties)
+        {
+            PropertyInfo targetProperty = targetType.GetProperty(sourceProperty.Name);
+            if (targetProperty!= null && targetProperty.CanWrite && sourceProperty.CanRead && targetProperty.PropertyType == sourceProperty.PropertyType)
+            {
+                object value = sourceProperty.GetValue(source, null);
+                targetProperty.SetValue(target, value, null);
+            }
+        }
+    }
 }