using OrmTest.Models; using SqlSugar; using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace OrmTest.Demo { public class QueryableView : DemoBase { public static void Init() { var db = GetInstance(); var q1 = db.Queryable((st,sc)=>new object[] { JoinType.Left,st.SchoolId==sc.Id }).Select((st, sc) => new ViewModelStudent4() { Id=st.Id, Name=st.Name,SchoolName=sc.Name }); var q2 = db.Queryable(); var innerJoinList = db.Queryable(q1, q2, (j1, j2) => j1.Id == j2.Id).Select((j1, j2) => j1).ToList();//inner join var leftJoinList = db.Queryable(q1, q2,JoinType.Left, (j1, j2) => j1.Id == j2.Id).Select((j1, j2) => j1).ToList();//left join } } public class ViewModelStudent4 { public int Id { get; set; } public string SchoolName { get; set; } public string Name { get; set; } } }