Update demo

Src/Asp.NetCore2/MongoDbTest/UnitTest/Cases.cs

@@ -38,7 +38,7 @@ namespace MongoDbTest
             Unitdafasdys.Init();
             Enum.Init();
             Enum2.Init();
-
+            UnitDateTimeFunc.Init();
             //主键不是ObjectId类型用例 
             //The primary key is not an ObjectId type use case
             LongPrimaryKey.Init();

Src/Asp.NetCore2/MongoDbTest/UnitTest/UnitDateTimeFunc.cs

@@ -0,0 +1,40 @@
+using SqlSugar.MongoDb;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MongoDbTest
+{
+    internal class UnitDateTimeFunc
+    {
+        public static void Init() 
+        {
+            var db = DbHelper.GetNewDb();
+            db.DbMaintenance.TruncateTable<Student>();//清空重置
+            db.Insertable(new Student() { Name = "error time", Bool = true, CreateDateTime = DateTime.Parse("2025-09-15 00:00:01") }).ExecuteCommand();
+            db.Insertable(new Student() { Name = "OK time", Bool = true, CreateDateTime = DateTime.Parse("2025-09-16 00:00:01") }).ExecuteCommand();
+            db.Insertable(new Student() { Name = "error time2", Bool = true, CreateDateTime = DateTime.Parse("2025-09-17 00:00:01") }).ExecuteCommand();
+
+            var list1 = db.Queryable<Student>().Where(a => a.CreateDateTime >= DateTime.Parse("2025-09-16 00:00:00") && a.CreateDateTime <= DateTime.Parse("2025-09-16 23:59:59")).ToList();
+            if (list1.First().Name != "OK time") Cases.ThrowUnitError();
+
+            var list2=db.Queryable<Student>().Where(a => DateTime.Parse("2025-09-16 00:00:00")<=a.CreateDateTime  && a.CreateDateTime <= DateTime.Parse("2025-09-16 23:59:59")).ToList();
+            if (list2.First().Name!= "OK time") Cases.ThrowUnitError();
+        }
+        [SqlSugar.SugarTable("UnitStudent1ssss23s131")]
+        public class Student : MongoDbBase
+        {
+            public string Name { get; set; }
+
+            public bool Bool { get; set; }
+            public bool? BoolNull { get; set; }
+
+            public int SchoolId { get; set; }
+            public int? SchoolIdNull { get; set; }
+
+            public DateTime CreateDateTime { get; set; }
+        }
+    }
+}