Add demo

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

@@ -18,6 +18,7 @@ namespace MongoDbTest
             QueryJson.Init();
             QueryJson2.Init();
             QueryJson3.Init();
+            QueryJson4.Init();
             QueryLeftJoin.Init();
             QueryLeftJoin2.Init();
             QueryLeftJoin3.Init();

Src/Asp.NetCore2/MongoDbTest/UnitTest/QueryJson3.cs

@@ -0,0 +1,58 @@
+using MongoDB.Bson.Serialization.Attributes;
+using MongoDB.Bson;
+using SqlSugar.MongoDb;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MongoDbTest
+{
+    public class QueryJson4
+    {
+        internal static void Init()
+        {
+            var db =  DbHelper.GetNewDb();
+            db.CodeFirst.InitTables<Student>();
+            db.DbMaintenance.TruncateTable<Student>();
+            var dt = DateTime.Now;
+            db.Insertable(new Student()
+            {
+                Age = 1,
+                Book = new Book()
+                {
+                    SchoolId = 1,
+                    Book2 = new Book() { SchoolId=1,Book2 = new Book() { SchoolId = 2 } }
+                }
+            }).ExecuteCommand(); 
+            var data1 = db.Queryable<Student>().Where(s=>s.Book.Book2.SchoolId==1).ToList();
+            var data2 = db.Queryable<Student>().Where(s => s.Book.Book2.Book2.SchoolId == 2).ToList();
+
+        }
+
+        [SqlSugar.SugarTable("UnitStudentd23351")]
+        public class Student : MongoDbBase
+        {
+            public string Name { get; set; }
+
+            public string SchoolId { get; set; }
+
+            public int Age { get; set; }
+
+            public DateTime CreateDateTime { get; set; }
+
+            [SqlSugar.SugarColumn(IsJson = true)]
+            public Book Book { get; set; }
+        }
+
+        public class Book
+        { 
+            public int SchoolId { get; set; }
+             
+            [SqlSugar.SugarColumn(IsJson = true)]
+            public Book Book2 { get; set; }
+        }
+    }
+
+}

Src/Asp.NetCore2/MongoDbTest/UnitTest/UnitJson3.cs

@@ -1,20 +1,20 @@
 
-using MongoDbTest;
-using SqlSugar; 
-
-public class QueryJson3
+using SqlSugar;
+namespace MongoDbTest
 {
-    public static void Init()
+    public class QueryJson3
     {
-        var db = DbHelper.GetNewDb();
-        db.DbMaintenance.TruncateTable<NoticeEntity>();
-        db.Insertable<NoticeEntity>(new NoticeEntity() { Id = 12312312L, NoticeTitle = "88888", noticeContentInfos = new List<NoticeContentInfo>() { new NoticeContentInfo { SubjectId = 1 } } }).ExecuteCommand();
-        var da = db.Updateable<NoticeEntity>()
-            .SetColumns(it => new NoticeEntity { NoticeTitle = "66666" },true ).Where(it => it.Id == 12312312L)
-            .ExecuteCommand() > 0; 
+        public static void Init()
+        {
+            var db = DbHelper.GetNewDb();
+            db.DbMaintenance.TruncateTable<NoticeEntity>();
+            db.Insertable<NoticeEntity>(new NoticeEntity() { Id = 12312312L, NoticeTitle = "88888", noticeContentInfos = new List<NoticeContentInfo>() { new NoticeContentInfo { SubjectId = 1 } } }).ExecuteCommand();
+            var da = db.Updateable<NoticeEntity>()
+                .SetColumns(it => new NoticeEntity { NoticeTitle = "66666" }, true).Where(it => it.Id == 12312312L)
+                .ExecuteCommand() > 0;
+        }
     }
 }
-
 /// <summary>
 /// 通知公告
 /// </summary>