Update mongodb demo

Src/Asp.NetCore2/MongoDbTest/UnitTest/QueryJson10.cs

@@ -0,0 +1,54 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+using SqlSugar.MongoDb;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MongoDbTest
+{
+    internal class QueryJson10
+    {
+
+        public static void Init() 
+        {
+            var db = DbHelper.GetNewDb();
+            db.DbMaintenance.TruncateTable<RetailInfo1>();
+            var id = ObjectId.GenerateNewId() + "";
+            db.Insertable(new RetailInfo1()
+            {
+                SetBeginDate=DateTime.Now+"",
+                SetEndDate=DateTime.Now+"",
+                RetailDate = new RetailDateInfo() {  Id=id }
+
+            }).ExecuteCommand();
+            var list=db.Queryable<RetailInfo1>().ToList();
+            var list2 = db.Queryable<RetailInfo1>().Where(i=>i.RetailDate.Id==id).ToList();
+        } 
+        public class RetailInfo1
+        {
+            /// <summary>
+            /// 开始日期（字符串或时间戳，需要能转 DateTime）
+            /// </summary>
+            public string SetBeginDate { get; set; }
+
+            /// <summary>
+            /// 结束日期
+            /// </summary>
+            public string SetEndDate { get; set; }
+
+            /// <summary>
+            /// 零售日期，可能是个组合字段
+            /// </summary>
+            [SqlSugar.SugarColumn(IsJson =true)]
+            public RetailDateInfo RetailDate { get; set; }
+        } 
+        public class RetailDateInfo
+        { 
+            public string Id { get; set; } 
+        }
+    }
+}