refactor: 增加 QueryPageBase 基类

src/admin/Bootstrap.Admin/Pages/Components/DictsBase.cs

@@ -8,13 +8,8 @@ namespace Bootstrap.Pages.Admin.Components
     /// <summary>
     /// 字典表维护组件
     /// </summary>
-    public class DictsBase : PageBase
+    public class DictsBase : QueryPageBase<BootstrapDict>
     {
-        /// <summary>
-        /// 获得/设置 BootstrapDict 实例
-        /// </summary>
-        protected BootstrapDict QueryModel { get; set; } = new BootstrapDict() { Define = -1 };
-
         /// <summary>
         /// 获得/设置 字典类别集合
         /// </summary>
@@ -25,12 +20,20 @@ namespace Bootstrap.Pages.Admin.Components
         /// </summary>
         protected List<SelectedItem> QueryDefine { get; set; } = new List<SelectedItem>(new SelectedItem[] { new SelectedItem() { Text = "全部", Value = "-1", Active = true }, new SelectedItem() { Text = "系统使用", Value = "0" }, new SelectedItem() { Text = "自定义", Value = "1" } });
 
+        /// <summary>
+        /// 获得/设置 查询条件集合
+        /// </summary>
+        protected override void OnInitialized()
+        {
+            QueryModel.Define = -1;
+        }
+
         /// <summary>
         /// 查询方法
         /// </summary>
         /// <param name="pageIndex">页码</param>
         /// <param name="pageItems">每页显示数据条目数量</param>
-        protected QueryData<BootstrapDict> Query(int pageIndex, int pageItems)
+        protected override QueryData<BootstrapDict> Query(int pageIndex, int pageItems)
         {
             var data = DataAccess.DictHelper.RetrieveDicts();
             if (QueryModel.Define != -1) data = data.Where(d => d.Define == QueryModel.Define);
@@ -41,23 +44,14 @@ namespace Bootstrap.Pages.Admin.Components
             return new QueryData<BootstrapDict>() { Items = items, TotalCount = totalCount, PageIndex = pageIndex, PageItems = pageItems };
         }
 
-        /// <summary>
-        /// 新建方法
-        /// </summary>
-        /// <returns></returns>
-        protected BootstrapDict Add()
-        {
-            return new BootstrapDict();
-        }
-
         /// <summary>
         /// 保存方法
         /// </summary>
-        protected bool Save(BootstrapDict dict) => DataAccess.DictHelper.Save(dict);
+        protected override bool Save(BootstrapDict dict) => DataAccess.DictHelper.Save(dict);
 
         /// <summary>
         /// 删除方法
         /// </summary>
-        protected bool Delete(IEnumerable<BootstrapDict> items) => DataAccess.DictHelper.Delete(items.Select(item => item.Id ?? ""));
+        protected override bool Delete(IEnumerable<BootstrapDict> items) => DataAccess.DictHelper.Delete(items.Select(item => item.Id ?? ""));
     }
 }

src/admin/Bootstrap.Admin/Pages/Components/QueryPageBase.cs

@@ -0,0 +1,39 @@
+using System.Collections.Generic;
+using Bootstrap.Admin.Components;
+
+namespace Bootstrap.Pages.Admin.Components
+{
+    /// <summary>
+    /// 页面组件基类
+    /// </summary>
+    public abstract class QueryPageBase<TItem> : PageBase where TItem : class, new()
+    {
+        /// <summary>
+        /// 获得/设置 TItem 实例
+        /// </summary>
+        protected TItem QueryModel { get; set; } = new TItem();
+
+        /// <summary>
+        /// 查询方法
+        /// </summary>
+        /// <param name="pageIndex">页码</param>
+        /// <param name="pageItems">每页显示数据条目数量</param>
+        protected abstract QueryData<TItem> Query(int pageIndex, int pageItems);
+
+        /// <summary>
+        /// 新建方法
+        /// </summary>
+        /// <returns></returns>
+        protected TItem Add() => new TItem();
+
+        /// <summary>
+        /// 保存方法
+        /// </summary>
+        protected abstract bool Save(TItem dict);
+
+        /// <summary>
+        /// 删除方法
+        /// </summary>
+        protected abstract bool Delete(IEnumerable<TItem> items);
+    }
+}