-

SqlSugar/Databases/SqlServer/LambdaExpressions/SqlServerExpressionContext.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SqlSugar
+{
+    public partial class SqlServerExpressionContext : ExpressionContext
+    {
+        public SqlServerExpressionContext(Expression expression, ResolveExpressType resolveType) : base(expression, resolveType)
+        {
+            base.DbMehtods = new SqlServerMethod();
+        }
+    }
+    public partial class SqlServerMethod : DefaultDbMethod, IDbMethods
+    {
+
+    }
+}

SqlSugar/ExpressionsToSql/Databases/SqlServerExpressionContext.cs

@@ -1,34 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Linq;
-using System.Linq.Expressions;
-using System.Reflection;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SqlSugar
-{
-    public class SqlServerExpressionContext : ExpressionContext
-    {
-        public SqlServerExpressionContext(Expression expression, ResolveExpressType resolveType) : base(expression, resolveType)
-        {
-            base.DbMehtods = new SqlServerMethod();
-        }
-    }
-    public class SqlServerMethod : IDbMethods
-    {
-        public string IsNullOrEmpty(MethodCallExpressionModel model)
-        {
-            var parameter = model.Args[0];
-            if (parameter.IsMember)
-            {
-                return string.Format("( {0}='' OR {0} IS NULL )", parameter.Value);
-            }
-            else
-            {
-                return null;
-            }
-        }
-    }
-}

SqlSugar/ExpressionsToSql/Method/DefaultDbMethod.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+namespace SqlSugar
+{
+    public partial class DefaultDbMethod : IDbMethods
+    {
+        public virtual string IsNullOrEmpty(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            if (parameter.IsMember)
+            {
+                return string.Format("( {0}='' OR {0} IS NULL )", parameter.Value);
+            }
+            else
+            {
+                return null;
+            }
+
+        }
+    }
+}

SqlSugar/SqlSugar.csproj

@@ -99,13 +99,14 @@
     <Compile Include="Entities\DbTableInfo.cs" />
     <Compile Include="ExpressionsToSql\Common\CommonTempDataType.cs" />
     <Compile Include="ExpressionsToSql\Common\MethodCallExpressionModel.cs" />
-    <Compile Include="ExpressionsToSql\Databases\SqlServerExpressionContext.cs" />
+    <Compile Include="ExpressionsToSql\Method\DefaultDbMethod.cs" />
-    <Compile Include="ExpressionsToSql\NBORM.cs" />
+    <Compile Include="Databases\SqlServer\LambdaExpressions\SqlServerExpressionContext.cs" />
+    <Compile Include="ExpressionsToSql\Method\NBORM.cs" />
     <Compile Include="ExpressionsToSql\Common\BinaryExpressionInfo.cs" />
     <Compile Include="ExpressionsToSql\Common\ExpressionResult.cs" />
     <Compile Include="ExpressionsToSql\Common\ExpressionErrorMessage.cs" />
     <Compile Include="ExpressionsToSql\Common\ExpressionResultAcceptType.cs" />
-    <Compile Include="ExpressionsToSql\IDbMethods.cs" />
+    <Compile Include="ExpressionsToSql\Method\IDbMethods.cs" />
     <Compile Include="ExpressionsToSql\ResolveItems\MemberConstExpressionResolve.cs" />
     <Compile Include="ExpressionsToSql\ResolveItems\MemberInitExpressionResolve.cs" />
     <Compile Include="ExpressionsToSql\ResolveItems\MemberNewExpressionResolve.cs" />