Add demo

Src/Asp.NetCore2/MongoDbTest/UnitTest/QueryJsonArray4.cs

@@ -0,0 +1,79 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+using SqlSugar;
+using SqlSugar.MongoDb;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MongoDbTest
+{
+    public class QueryJsonArray4
+    {
+        public static void Init()
+        {
+
+            var db = DbHelper.GetNewDb();
+            db.DbMaintenance.TruncateTable<UserEntity, RolesEntity>();
+            db.Insertable<UserEntity>(new UserEntity { Id = 111111111111111111, AccountName = "测试", RoleIds = new List<long> { 111111111111111111 }, RoleId = 111111111111111111 }).ExecuteCommand();
+            db.Insertable(new RolesEntity { Id = 111111111111111111, Name = "测试" }).ExecuteCommand();
+
+
+            var query6 = db.Queryable<UserEntity>()
+                 .LeftJoin<RolesEntity>((o, cus) => o.RoleId == cus.Id)//多个条件用&&
+                 .Select((o, cus) => new { o, cus })
+                 .ToList();
+
+            var a1 = db.Queryable<UserEntity>().ToList();
+            var query5 = db.Queryable<UserEntity>()
+                 .LeftJoin<RolesEntity>((o, cus) => o.RoleIds.Contains(cus.Id))//多个条件用&&
+                 .Select((o, cus) => new { o.AccountName, cus.Name })
+                 .ToList();
+
+            Console.WriteLine("测试完成！");
+        }
+
+
+
+        /// <summary>
+        /// 用户实体
+        /// </summary>
+        [SugarTable("UserComponent")]
+        public class UserEntity
+        {
+            /// <summary>
+            /// 主键Id
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true, ColumnName = "_id")]
+            public long Id { get; set; }
+
+            /// <summary>
+            /// 账户名。
+            /// </summary>
+            public string? AccountName { get; set; } = null!;
+
+            /// <summary>
+            /// 角色ID列表
+            /// </summary>
+            public long RoleId { get; set; }
+
+            /// <summary>
+            /// 角色ID列表
+            /// </summary>
+            [SugarColumn(IsJson = true)]
+            public List<long> RoleIds { get; set; }
+        }
+        [SugarTable("RoleComponent")]
+        public class RolesEntity
+        {
+            /// <summary>
+            /// 主键Id
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true, ColumnName = "_id")]
+            public long Id { get; set; }
+            public string? Name { get; set; }
+        }
+    }
+}