Update Demo

Src/Asp.Net/SqlServerTest/Demo/Demo0_SqlSugarClient.cs

@@ -54,7 +54,7 @@ namespace OrmTest
 
             DbContext context = new DbContext();
 
-            context.Db.CodeFirst.InitTables<Order, OrderItem>();//Create Tables
+            context.Db.CodeFirst.InitTables<Order, OrderItem,Custom>();//Create Tables
             ;
             var orderDb = context.OrderDb;
 

Src/Asp.Net/SqlServerTest/Demo/Demo1_Queryable.cs

@@ -12,9 +12,40 @@ namespace OrmTest
         public static void Init()
         {
             ConditionScreening();
+            JoinTable();
             Async();
         }
 
+        private static void JoinTable()
+        {
+            Console.WriteLine("");
+            Console.WriteLine("#### Join Table Start ####");
+            var db = GetInstance();
+
+            //Simple join
+            var list = db.Queryable<Order, OrderItem, Custom>((o, i, c) => o.Id == i.OrderId&&c.Id == o.CustomId)
+                         .Select<ViewOrder>()
+                         .ToList();
+
+            //Join table
+            var list2 = db.Queryable<Order, OrderItem, Custom>((o, i, c) => new JoinQueryInfos(
+             JoinType.Left, o.Id == i.OrderId,
+             JoinType.Left, c.Id == o.CustomId
+            ))
+           .Select<ViewOrder>().ToList();
+
+            //Join queryable
+            var query1 = db.Queryable<Order, OrderItem>((o, i) => new object[] {
+              JoinType.Left, o.Id == i.OrderId,
+            })
+            .Where(o => o.Name == "jack");
+
+            var query2 = db.Queryable<Custom>();
+            var list3=db.Queryable(query1, query2,JoinType.Left, (p1, p2) => p1.CustomId == p2.Id).Select<ViewOrder>().ToList();
+
+            Console.WriteLine("#### Join Table End ####");
+        }
+
         private static void ConditionScreening()
         {
             Console.WriteLine("");
@@ -42,7 +73,7 @@ namespace OrmTest
             //id=@id
             var list4 = db.Queryable<Order>().Where("id=@id", new { id = 1 }).ToList();
             //id=@id or name like '%'+@name+'%'
-            var list5 = db.Queryable<Order>().Where("id=@id or name like '%'+@name+'%' ",new { id=1,name="jack"}).ToList();
+            var list5 = db.Queryable<Order>().Where("id=@id or name like '%'+@name+'%' ", new { id = 1, name = "jack" }).ToList();
 
 
 
@@ -78,7 +109,7 @@ namespace OrmTest
 
             // use whereif
             string name = "";
-            int id =1;
+            int id = 1;
             var query = db.Queryable<Order>()
                             .WhereIF(!string.IsNullOrEmpty(name), it => it.Name.Contains(name))
                             .WhereIF(id > 0, it => it.Id == id).ToList();

Src/Asp.Net/SqlServerTest/Models/Custom.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class Custom
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+    }
+}

Src/Asp.Net/SqlServerTest/Models/Order.cs

@@ -13,7 +13,9 @@ namespace OrmTest
 
         public string Name { get; set; }
         public decimal Price { get; set; }
-        [SqlSugar.SugarColumn(IsNullable =true)]
+        [SqlSugar.SugarColumn(IsNullable = true)]
         public DateTime CreateTime { get; set; }
+        [SqlSugar.SugarColumn(IsNullable =true)]
+        public int CustomId { get; set; }
     }
 }

Src/Asp.Net/SqlServerTest/Models/ViewOrder.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class ViewOrder:Order
+    {
+        public string CustomName { get; set; }
+    }
+}

Src/Asp.Net/SqlServerTest/SqlServerTest.csproj

@@ -55,10 +55,12 @@
     <Compile Include="Demo\Demo1_Queryable.cs" />
     <Compile Include="Demo\DemoD_DbFirst.cs" />
     <Compile Include="Demo\DemoE_CodeFirst.cs" />
+    <Compile Include="Models\Custom.cs" />
     <Compile Include="Models\MyCustomAttributeTable.cs" />
     <Compile Include="Models\Order.cs" />
     <Compile Include="Models\OrderItem.cs" />
     <Compile Include="Demo\Demo0_SqlSugarClient.cs" />
+    <Compile Include="Models\ViewOrder.cs" />
     <Compile Include="OldTest\BugTest\Bug2.cs" />
     <Compile Include="OldTest\BugTest\BugModels\AccountsModel.cs" />
     <Compile Include="OldTest\BugTest\BugModels\ClientsModel.cs" />