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Includes

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sunkaixuan
2022-04-11 20:54:20 +08:00
parent 2943c46c27
commit 88d3df0331
10 changed files with 194 additions and 76 deletions
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51
Src/Asp.Net/SqlServerTest/UnitTest/UCustom012.cs
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@@ -16,10 +16,12 @@ namespace OrmTest
var db = NewUnitTest.Db;
db.CodeFirst.InitTables<StudentA, RoomA, SchoolA, TeacherA>();
db.CodeFirst.InitTables<BookA>();
db.DbMaintenance.TruncateTable<StudentA>();
db.DbMaintenance.TruncateTable<RoomA>();
db.DbMaintenance.TruncateTable<SchoolA>();
db.DbMaintenance.TruncateTable<TeacherA>();
db.DbMaintenance.TruncateTable<BookA>();
db.Insertable(new RoomA() { RoomId = 1, RoomName = "北大001室", SchoolId = 1 }).ExecuteCommand();
db.Insertable(new RoomA() { RoomId = 2, RoomName = "北大002室", SchoolId = 1 }).ExecuteCommand();
db.Insertable(new RoomA() { RoomId = 3, RoomName = "北大003室", SchoolId = 1 }).ExecuteCommand();
@@ -42,6 +44,13 @@ namespace OrmTest
db.Insertable(new TeacherA() { SchoolId = 2, Id = 3, Name = "清华老师01" }).ExecuteCommand();
db.Insertable(new TeacherA() { SchoolId = 2, Id = 4, Name = "清华老师02" }).ExecuteCommand();
db.Insertable(new BookA() { BookId=1, Name="java" , studenId=1 }).ExecuteCommand();
db.Insertable(new BookA() { BookId = 2, Name = "c#2", studenId = 2 }).ExecuteCommand();
db.Insertable(new BookA() { BookId = 3, Name = "c#1", studenId = 2 }).ExecuteCommand();
db.Insertable(new BookA() { BookId = 4, Name = "php", studenId = 3 }).ExecuteCommand();
db.Insertable(new BookA() { BookId = 5, Name = "js", studenId = 4 }).ExecuteCommand();
//先用Mapper导航映射查出第二层
var list = db.Queryable<StudentA>().Mapper(x => x.SchoolA, x => x.SchoolId).ToList();
@@ -55,25 +64,49 @@ namespace OrmTest
sch.TeacherList = db.Queryable<TeacherA>().SetContext(teachera => teachera.SchoolId, () => sch.SchoolId, sch).ToList();
});
db.Queryable<StudentA>()
var list2=db.Queryable<StudentA>()
.Includes(x => x.SchoolA, x => x.RoomList)//2个参数就是 then Include
.Includes(x => x.Books)
.ToList();
var list3= db.Queryable<A>().Includes(x => x.BList).ToList();
}
public class ABMapping
{
[SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
public int AId { get; set; }
public int BId { get; set; }
}
public class A
{
[SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
public int Id { get; set; }
public string Name { get; set; }
[Navigat(typeof(ABMapping),nameof(ABMapping.AId),nameof(ABMapping.BId))]
public List<B> BList { get; set; }
}
public class B
{
[SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
public int Id { get; set; }
public string Name { get; set; }
[Navigat(typeof(ABMapping), nameof(ABMapping.BId), nameof(ABMapping.AId))]
public List<A> BList { get; set; }
}
public class StudentA
{
[SugarColumn(IsPrimaryKey = true)]
public int StudentId { get; set; }
public string Name { get; set; }
public int SchoolId { get; set; }
[Navigat(nameof(SchoolId))]
[Navigat(NavigatType.OneToOne, nameof(SchoolId))]
public SchoolA SchoolA { get; set; }
[Navigat(nameof(BookA.studenId))]
[Navigat(NavigatType.OneToMany, nameof(BookA.studenId))]
public List<BookA> Books { get; set; }
}
}
public class SchoolA
{
[SugarColumn(IsPrimaryKey = true)]
@@ -98,8 +131,12 @@ namespace OrmTest
public string RoomName { get; set; }
public int SchoolId { get; set; }
}
public class BookA
{
public class BookA
{
[SugarColumn(IsPrimaryKey = true)]
public int BookId { get; set; }
public string Name { get; set; }
public int studenId { get; set; }
}