Ok

OrmTest/Models/Student.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+using System.Linq.Expressions;
+
+namespace OrmTest.Models
+{
+    [SugarTable("STudent")]
+    public class Student
+    {
+        [SugarColumn(IsPrimaryKey = true, IsIdentity = true, ColumnName = "ID")]
+        public int Id { get; set; }
+        public string Name { get; set; }
+        [SugarColumn(IsIgnore = true)]
+        public int SchoolId { get; set; }
+        public DateTime CreateTime { get; set; }
+
+        [SugarColumn(MappingKeys = "id,SchoolId")]
+        public virtual School School { get; set; }
+    }
+}