refactor: 增加 Clone 扩展方法

src/admin/Bootstrap.Admin/Components/EditPageBase.cs

@@ -75,32 +75,26 @@ namespace Bootstrap.Admin.Components
         /// 新建按钮回调方法
         /// </summary>
         [Parameter]
-        public Func<TItem>? OnAdd { get; set; }
-
-        /// <summary>
-        /// 编辑按钮回调方法
-        /// </summary>
-        [Parameter]
-        public Action<TItem>? OnEdit { get; set; }
+        public Func<TItem> OnAdd { get; set; } = () => throw new InvalidOperationException($"The property {nameof(OnAdd)} can't be set to Null");
 
         /// <summary>
         /// 保存按钮回调方法
         /// </summary>
         [Parameter]
-        public Func<TItem, bool>? OnSave { get; set; }
+        public Func<TItem, bool> OnSave { get; set; } = item => false;
 
         /// <summary>
         /// 删除按钮回调方法
         /// </summary>
         [Parameter]
-        public Func<IEnumerable<TItem>, bool>? OnDelete { get; set; }
+        public Func<IEnumerable<TItem>, bool> OnDelete { get; set; } = item => false;
 
         /// <summary>
         /// 组件初始化方法
         /// </summary>
         protected override void OnInitialized()
         {
-            if (string.IsNullOrEmpty(Id)) throw new InvalidOperationException($"The property {nameof(Id)} can't set to Null");
+            if (string.IsNullOrEmpty(Id)) throw new InvalidOperationException($"The property {nameof(Id)} can't be set to Null");
         }
 
         /// <summary>

src/admin/Bootstrap.Admin/Components/QueryBase.cs

@@ -57,7 +57,5 @@ namespace Bootstrap.Admin.Components
             if (string.IsNullOrEmpty(Title)) Title = _defaultTitle;
             if (string.IsNullOrEmpty(Text)) Text = _defaultText;
         }
-
-        protected override void OnAfterRender(bool firstRender) => base.OnAfterRender(firstRender);
     }
 }

src/admin/Bootstrap.Admin/Components/TableBase.cs

@@ -1,4 +1,5 @@
-using Bootstrap.Admin.Shared;
+using Bootstrap.Admin.Extensions;
+using Bootstrap.Admin.Shared;
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Forms;
 using System;
@@ -265,7 +266,7 @@ namespace Bootstrap.Admin.Components
         {
             if (SelectedItems.Count == 1)
             {
-                EditModel = SelectedItems[0];
+                EditModel = SelectedItems[0].Clone();
                 EditModal?.Toggle();
             }
             else
@@ -335,7 +336,5 @@ namespace Bootstrap.Admin.Components
             }
             ShowMessage("删除数据", "删除数据" + (result ? "成功" : "失败"), result ? ToastCategory.Success : ToastCategory.Error);
         }
-
-        protected override void OnAfterRender(bool firstRender) => base.OnAfterRender(firstRender);
     }
 }

src/admin/Bootstrap.Admin/Extensions/ObjectExtensions.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Linq;
+
+namespace Bootstrap.Admin.Extensions
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public static class ObjectExtensions
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <typeparam name="TItem"></typeparam>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        public static TItem Clone<TItem>(this TItem item)
+        {
+            var ret = item;
+            if (item != null)
+            {
+                var type = item.GetType();
+                if (typeof(ICloneable).IsAssignableFrom(type))
+                {
+                    var clv = type.GetMethod("Clone")?.Invoke(type, null);
+                    if (clv != null) ret = (TItem)clv;
+                }
+                if (type.IsClass)
+                {
+                    ret = Activator.CreateInstance<TItem>();
+                    var valType = ret?.GetType();
+                    if (valType != null)
+                    {
+                        type.GetProperties().ToList().ForEach(p =>
+                        {
+                            var v = p.GetValue(item);
+                            valType.GetProperty(p.Name)?.SetValue(ret, v);
+                        });
+                    }
+                }
+            }
+            return ret;
+        }
+    }
+}