-

OrmTest/Config.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 Config
+    {
+        public static string ConnectionString = "server=.;uid=sa;pwd=sasa;database=SqlSugar4XTest";
+    }
+}

OrmTest/ExpressionTest/Join.cs

@@ -27,12 +27,19 @@ namespace OrmTest.ExpressionTest
 
         public void Q2()
         {
-            ExpressionContext contet = new ExpressionContext();
-            SqlSugarClient db = new SqlSugarClient(new SystemTablesConfig() { ConnectionString="x" ,DbType= DbType.SqlServer });
-            db.Queryable<Student, School>((st,sc)=> new object[] {
-                JoinType.Left,st.SchoolId==sc.Id
-            });
+            using (var db = GetInstance())
+            {
+                var list = db.Queryable<Student, School>((st, sc) => new object[] {
+                          JoinType.Left,st.SchoolId==sc.Id
+                }).ToList();
+            }
+        }
 
+
+        public SqlSugarClient GetInstance()
+        {
+            SqlSugarClient db = new SqlSugarClient(new SystemTablesConfig() { ConnectionString = Config.ConnectionString, DbType = DbType.SqlServer });
+            return db;
         }
     }
 }

OrmTest/OrmTest.csproj

@@ -43,6 +43,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Config.cs" />
     <Compile Include="ExpressionTest\ExpTestBase.cs" />
     <Compile Include="ExpressionTest\Field.cs" />
     <Compile Include="ExpressionTest\Join.cs" />