feat(control): add module-backed extended return search

插件库/Lskj.Control/AutoGridLookUp/ExtendedReturnModuleSourceResolver.cs

@@ -0,0 +1,49 @@
+using Lskj.Control.MultiModelLookUp;
+using System;
+using System.Collections.Generic;
+
+namespace Lskj.Control
+{
+    /// <summary>
+    /// 按模块编号延迟读取模块数据源 SQL。只缓存 SQL 文本，不加载业务数据。
+    /// </summary>
+    internal sealed class ExtendedReturnModuleSourceResolver
+    {
+        private readonly object syncRoot = new object();
+        private readonly Dictionary<string, string> sourceSqlByModule =
+            new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+
+        public string Resolve(string moduleCode)
+        {
+            moduleCode = (moduleCode ?? string.Empty).Trim();
+            if (moduleCode.Length == 0)
+            {
+                throw new InvalidOperationException("扩展模块搜索的模块编号不能为空。");
+            }
+
+            lock (syncRoot)
+            {
+                string cachedSql;
+                if (sourceSqlByModule.TryGetValue(moduleCode, out cachedSql))
+                {
+                    return cachedSql;
+                }
+
+                using (FrmModelLookUp lookup = new FrmModelLookUp(moduleCode, true))
+                {
+                    string sourceSql = lookup.SysModel == null
+                        ? string.Empty
+                        : lookup.SysModel.MenuSql;
+                    if (string.IsNullOrWhiteSpace(sourceSql))
+                    {
+                        throw new InvalidOperationException(
+                            string.Format("模块“{0}”未配置数据源 SQL。", moduleCode));
+                    }
+
+                    sourceSqlByModule.Add(moduleCode, sourceSql);
+                    return sourceSql;
+                }
+            }
+        }
+    }
+}

插件库/Lskj.Control/AutoGridLookUp/LabelExtendedReturnSearchEdit.cs

@@ -18,7 +18,7 @@ using System.Windows.Forms;
 namespace Lskj.Control
 {
     /// <summary>
-    /// MyControl 中的 181 扩展搜索控件。业务实际值与界面显示文本相互独立，
+    /// MyControl 中的 173/174 扩展搜索控件。业务实际值与界面显示文本相互独立，
     /// 数据源仅在弹出框打开或用户执行查询时按需访问。
     /// </summary>
     public sealed class LabelExtendedReturnSearchEdit : BaseUserControl
@@ -152,7 +152,7 @@ namespace Lskj.Control
 
         /// <summary>
         /// BaseUserControl 的 EditText 仍用于常规赋值入口；读取时返回界面显示文本，
-        /// MyControl.GetControlValue 对 181 会显式读取 EditValue。
+        /// MyControl.GetControlValue 对 173/174 会显式读取 EditValue。
         /// </summary>
         public override string EditText
         {
@@ -472,7 +472,14 @@ namespace Lskj.Control
         {
             if (Model == null) throw new InvalidOperationException("扩展返回控件配置不存在。");
             if (ControlObj == null) throw new InvalidOperationException("扩展返回控件未关联 MyControl。");
-            if (string.IsNullOrWhiteSpace(Model.SourceSql))
+            if (Model.FieldType == ControlType.LabModuleSelectReturnIdExtended)
+            {
+                if (string.IsNullOrWhiteSpace(Model.AddModuleId))
+                {
+                    throw new InvalidOperationException("扩展模块搜索的模块编号不能为空。");
+                }
+            }
+            else if (string.IsNullOrWhiteSpace(Model.SourceSql))
             {
                 throw new InvalidOperationException("搜索数据源 SQL 不能为空。");
             }
@@ -576,7 +583,7 @@ namespace Lskj.Control
 
         private string BuildSourceSql()
         {
-            string sourceSql = Model.SourceSql;
+            string sourceSql = GetBaseSourceSql();
             if (ControlObj != null)
             {
                 sourceSql = ControlObj.ReplaceControlValue(sourceSql);
@@ -585,6 +592,27 @@ namespace Lskj.Control
             return ReplaceHelper.ReplaceParam(sourceSql);
         }
 
+        private string GetBaseSourceSql()
+        {
+            if (Model == null)
+            {
+                throw new InvalidOperationException("扩展返回控件配置不存在。");
+            }
+            if (Model.FieldType == ControlType.LabModuleSelectReturnIdExtended)
+            {
+                if (ControlObj == null)
+                {
+                    throw new InvalidOperationException("扩展返回控件未关联 MyControl。");
+                }
+                return ControlObj.ResolveExtendedReturnModuleSourceSql(Model.AddModuleId);
+            }
+            if (string.IsNullOrWhiteSpace(Model.SourceSql))
+            {
+                throw new InvalidOperationException("搜索数据源 SQL 不能为空。");
+            }
+            return Model.SourceSql;
+        }
+
         private void StartSearch(string keyword)
         {
             SearchRequest request = new SearchRequest();