db.Queryable.Includes.Select.ToList

Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/Entities/AppendNavInfoList.cs

@@ -1,12 +1,18 @@
 using System;
 using System.Collections.Generic;
+using System.Linq.Expressions;
 using System.Text;
 
 namespace SqlSugar 
 {
     internal class AppendNavInfo 
     {
-        public Dictionary<string, string> MappingNavProperties = new Dictionary<string, string>();
+        public Dictionary<string, MappingNavColumnInfo> MappingNavProperties = new Dictionary<string, MappingNavColumnInfo>();
         public Dictionary<string, string> AppendProperties = new Dictionary<string, string>();
     }
+    internal class MappingNavColumnInfo
+    {
+        public List<Expression> ExpressionList { get;  set; }
+        public string Name { get;  set; }
+    }
 }

Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs

@@ -579,6 +579,21 @@ namespace SqlSugar
             foreach (var item in dic)
             {
                 var value=item.Value;
+                var expressionTree = new ExpressionTreeVisitor().GetExpressions(value);
+                if (expressionTree.Any())
+                {
+                    var name = ExpressionTool.GetMemberName(expressionTree.First());
+                    if (name !=null&& entityColumns.Any(it=>it.Navigat!=null&&it.PropertyName==name))
+                    {
+                        var mappingNavColumnInfo = new MappingNavColumnInfo() 
+                        {
+                            ExpressionList= expressionTree ,
+                            Name=name
+                        };
+                        navInfo.MappingNavProperties.Add(item.Key,mappingNavColumnInfo);
+                    }
+                }
+                 
             }
             foreach (var item in navManages)
             {

Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Common/ParameterExpressionVisitor.cs

@@ -44,5 +44,47 @@ namespace SqlSugar
 
             return base.VisitMethodCall(node);
         }
+    }
+
+    internal class ExpressionTreeVisitor : ExpressionVisitor
+    {
+        private readonly List<Expression> _nodes = new List<Expression>();
+        //protected override Expression VisitBinary(BinaryExpression node)
+        //{
+        //    // 解析二元操作符表达式
+        //    _nodes.Add(node);
+        //    Visit(node.Left);
+        //    Visit(node.Right);
+        //    return node;
+        //}
+        //protected override Expression VisitConstant(ConstantExpression node)
+        //{
+        //    // 解析常量表达式
+        //    _nodes.Add(node);
+        //    return node;
+        //}
+        protected override Expression VisitMember(MemberExpression node)
+        {
+            // 解析成员访问表达式
+            _nodes.Add(node);
+            return node;
+        }
+        protected override Expression VisitMethodCall(MethodCallExpression node)
+        {
+            // 解析方法调用表达式
+            _nodes.Add(node);
+            if (node.Arguments.Any())
+            {
+                Visit(node.Arguments.First());
+            }
+            return node;
+        }
+        public List<Expression> GetExpressions(Expression expression)
+        {
+            Visit(expression);
+            _nodes.Reverse();
+            return _nodes;
+        }
     } 
+
 }