using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace OrmTest { public class UOneManyMany { public static void init() { var db = NewUnitTest.Db; db.CodeFirst.InitTables(); db.DbMaintenance.TruncateTable(); db.Insertable(new Student_001() { sid = 1, Name = "北大jack", SchoolId = 1 }).ExecuteCommand(); db.Insertable(new Student_001() { sid = 2, Name = "青华jack", SchoolId = 2}).ExecuteCommand(); db.Insertable(new School_001() { scid = 1, schname = "北大" }).ExecuteCommand(); db.Insertable(new School_001() { scid = 2, schname = "青华" }).ExecuteCommand(); db.Insertable(new Room_001() { roomId = 1, schoolId =1, roomName= "北大01室" }).ExecuteCommand(); db.Insertable(new Room_001() { roomId = 2, schoolId =1, roomName="北大02室" }).ExecuteCommand(); db.Insertable(new Room_001() { roomId = 3, schoolId = 2, roomName = "青华03室" }).ExecuteCommand(); db.Insertable(new Room_001() { roomId = 4, schoolId = 2, roomName = "青华04室" }).ExecuteCommand(); db.Insertable(new Desk_001() { roomId = 1, deskid = 1, deskName = "北大01室_01" }).ExecuteCommand(); db.Insertable(new Desk_001() { roomId = 2, deskid = 2, deskName = "北大02室_01" }).ExecuteCommand(); db.Insertable(new Desk_001() { roomId = 3, deskid = 3, deskName = "青华03室_01" }).ExecuteCommand(); db.Insertable(new Desk_001() { roomId = 4, deskid = 4, deskName = "青华04室_01" }).ExecuteCommand(); var list=db.Queryable() .Includes(x => x.school_001, x => x.rooms) .Where(x=>x.school_001.rooms.Any(z=>z.rooms.Any())).ToList(); if (list.Count() !=2) { throw new Exception("unit error"); } var list2 = db.Queryable() .Includes(x => x.school_001, x => x.rooms) .Where(x => x.school_001.rooms.Any(z => z.roomName== "北大01室" && z.rooms.Any())).ToList(); if (list2.Count() != 1) { throw new Exception("unit error"); } var list3 = db.Queryable() .Includes(x=>x.school_001,x=>x.rooms) .Where(x => x.school_001.rooms.Any(z => z.roomName == "青华03室" && z.rooms.Any(c=>c.deskName== "青华03室_01"))).ToList(); if (list3.Count != 1) { throw new Exception("unit error"); } var list4 = db.Queryable() .Where(x => x.school_001.rooms.Any(z => z.roomName == "青华03室" && z.rooms.Any(c => c.deskName == "青华04室_01"))).ToList(); if (list4.Count != 0) { throw new Exception("unit error"); } } public class Student_001 { [SqlSugar.SugarColumn(IsPrimaryKey =true)] public int sid { get; set; } public string Name { get; set; } public int SchoolId { get; set; } [SqlSugar.Navigate(SqlSugar.NavigateType.OneToOne,nameof(SchoolId))] public School_001 school_001 { get; set; } } public class School_001 { [SqlSugar.SugarColumn(IsPrimaryKey = true)] public int scid { get; set; } public string schname { get; set; } [SqlSugar.Navigate(SqlSugar.NavigateType.OneToMany, nameof(Room_001.schoolId))] public List rooms { get; set; } } public class Room_001 { [SqlSugar.SugarColumn(IsPrimaryKey = true)] public int roomId { get; set; } public int schoolId { get; set; } public string roomName { get; set; } [SqlSugar.Navigate(SqlSugar.NavigateType.OneToMany, nameof(Desk_001.roomId))] public List rooms { get; set; } } public class Desk_001 { [SqlSugar.SugarColumn(IsPrimaryKey = true)] public int deskid { get; set; } public string deskName { get; set; } public int roomId { get; set; } } } }