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Add ISugarQueryable<T> Mapper<TObject>(Expression<Func<T, TObject>> mapperObject, Expression<Func<T, object>> mainField, Expression<Func<T, object>> childField);

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sunkaixuan
2019-05-10 20:11:32 +08:00
parent 22a262d4bb
commit d5e67042ca
5 changed files with 219 additions and 0 deletions
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26
Src/Asp.Net/SqlServerTest/Demo/Demo1_Queryable.cs
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@@ -15,6 +15,32 @@ namespace OrmTest
JoinTable();
Async();
NoEntity();
Mapper();
}
private static void Mapper()
{
Console.WriteLine("");
Console.WriteLine("#### Mapper Start ####");
var db = GetInstance();
//Creater Table
db.CodeFirst.InitTables(typeof(Tree));
db.DbMaintenance.TruncateTable("tree");
db.Insertable(new Tree() { Id = 1, Name = "root" }).ExecuteCommand();
db.Insertable(new Tree() { Id = 11, Name = "child1",ParentId=1 }).ExecuteCommand();
db.Insertable(new Tree() { Id = 12, Name = "child2",ParentId=1 }).ExecuteCommand();
db.Insertable(new Tree() { Id = 2, Name = "root" }).ExecuteCommand();
db.Insertable(new Tree() { Id = 22, Name = "child3", ParentId = 2 }).ExecuteCommand();
var list=db.Queryable<Tree>()
//parent=(select * from parent where id=it.parent)
.Mapper(it=>it.Parent,it=>it.ParentId, it=>it.Parent.Id)
//Child=(select * from parent where ParentId=it.id)
.Mapper(it => it.Child, it => it.Id, it => it.Parent.ParentId)
.ToList();
Console.WriteLine("#### End Start ####");
}
private static void NoEntity()