-

Src/Asp.Net/SqlServerTest/Demos/1_Query.cs

@@ -182,6 +182,8 @@ namespace OrmTest.Demo
             var getTodayList = db.Queryable<Student>().Where(it => SqlFunc.DateIsSame(it.CreateTime, DateTime.Now)).ToList();
 
             var joinSql = db.Queryable("student", "s").OrderBy("id").Select("id,name").ToPageList(1, 2);
+
+            var getDay1List = db.Queryable<Student>().Where(it=>it.CreateTime.Value.Hour==1).ToList();
         }
         public static void Page()
         {

Src/Asp.Net/SqlServerTest/Program.cs

@@ -17,23 +17,23 @@ namespace OrmTest
     {
         static void Main(string[] args)
         {
-            //    /***Unit Test***/
-            new Select(1).Init();
-            new Field(1).Init();
-            new Where(1).Init();
-            new Method(1).Init();
-            new JoinQuery(1).Init();
-            new SingleQuery(1).Init();
-            new SelectQuery(1).Init();
-            new AutoClose(1).Init();
-            new Insert(1).Init();
-            new Delete(1).Init();
-            new Update(1).Init();
-            new Mapping(1).Init();
-            new DataTest(1).Init();
-            new EnumTest(1).Init();
-            /***Performance Test***/
-            new SqlSugarPerformance(100).Select();
+            ////    /***Unit Test***/
+            //new Select(1).Init();
+            //new Field(1).Init();
+            //new Where(1).Init();
+            //new Method(1).Init();
+            //new JoinQuery(1).Init();
+            //new SingleQuery(1).Init();
+            //new SelectQuery(1).Init();
+            //new AutoClose(1).Init();
+            //new Insert(1).Init();
+            //new Delete(1).Init();
+            //new Update(1).Init();
+            //new Mapping(1).Init();
+            //new DataTest(1).Init();
+            //new EnumTest(1).Init();
+            ///***Performance Test***/
+            //new SqlSugarPerformance(100).Select();
 
             /***Demo***/
             OrmTest.Demo.Query.Init();

Src/Asp.Net/SqlSugar/ExpressionsToSql/Method/DefaultDbMethod.cs

@@ -153,7 +153,7 @@ namespace SqlSugar
         {
             var parameter = model.Args[0];
             var parameter2 = model.Args[1];
-            return string.Format(" ({0}({1})) ", parameter2.MemberName, parameter.MemberName);
+            return string.Format(" DateName({0},{1}) ", parameter2.MemberName, parameter.MemberName);
         }
 
         public virtual string ToInt32(MethodCallExpressionModel model)

Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs

@@ -18,14 +18,15 @@ namespace SqlSugar
             var isBool = expression.Type == PubConst.BoolType;
             var isValueBool = isValue && isBool && parameter.BaseExpression == null;
             var isLength = expression.Member.Name == "Length" && (expression.Expression as MemberExpression).Type == PubConst.StringType;
+            var isDateValue = expression.Member.Name.IsIn(Enum.GetNames(typeof(DateType))) && (expression.Expression as MemberExpression).Type == PubConst.DateType;
             if (isLength)
             {
                 var oldCommonTempDate = parameter.CommonTempData;
                 parameter.CommonTempData = CommonTempDataType.Result;
                 this.Expression = expression.Expression;
-                var isConst=this.Expression is ConstantExpression;
+                var isConst = this.Expression is ConstantExpression;
                 this.Start();
-                var methodParamter =  new MethodCallExpressionArgs() { IsMember = !isConst, MemberName = parameter.CommonTempData, MemberValue = null };
+                var methodParamter = new MethodCallExpressionArgs() { IsMember = !isConst, MemberName = parameter.CommonTempData, MemberValue = null };
                 var result = this.Context.DbMehtods.Length(new MethodCallExpressionModel()
                 {
                     Args = new List<MethodCallExpressionArgs>() {
@@ -36,6 +37,24 @@ namespace SqlSugar
                 parameter.CommonTempData = oldCommonTempDate;
                 return;
             }
+            else if (isDateValue) {
+                var name = expression.Member.Name;
+                var oldCommonTempDate = parameter.CommonTempData;
+                parameter.CommonTempData = CommonTempDataType.Result;
+                this.Expression = expression.Expression;
+                var isConst = this.Expression is ConstantExpression;
+                this.Start();
+                var result = this.Context.DbMehtods.DateValue(new MethodCallExpressionModel()
+                {
+                    Args = new List<MethodCallExpressionArgs>() {
+                     new MethodCallExpressionArgs() { IsMember = !isConst, MemberName = parameter.CommonTempData, MemberValue = null },
+                     new MethodCallExpressionArgs() { IsMember = true, MemberName = name, MemberValue = name }
+                  }
+                });
+                base.AppendMember(parameter, isLeft, result);
+                parameter.CommonTempData = oldCommonTempDate;
+                return;
+            }
             else if (isValueBool)
             {
                 isValue = false;