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This commit is contained in:
sunkaixuan 2022-04-12 01:30:21 +08:00
parent 4d2abd2f32
commit a955a68ce1
2 changed files with 70 additions and 2 deletions
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25
Src/Asp.Net/SqlServerTest/UnitTest/UCustom012.cs
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@ -81,8 +81,33 @@ namespace OrmTest
db.Insertable(new ABMapping1() { AId =2, BId = 1 }).ExecuteCommand();
db.Insertable(new ABMapping1() { AId = 2, BId = 2 }).ExecuteCommand();
var list3= db.Queryable<A1>().Includes(x => x.BList).ToList();
db.CodeFirst.InitTables(typeof(Tree1));
db.DbMaintenance.TruncateTable("Tree1");
db.Insertable(new Tree1() { Id = 1, Name = "01" }).ExecuteCommand();
db.Insertable(new Tree1() { Id = 2, Name = "0101", ParentId = 1 }).ExecuteCommand();
db.Insertable(new Tree1() { Id = 3, Name = "0102", ParentId = 1 }).ExecuteCommand();
db.Insertable(new Tree1() { Id = 4, Name = "02" }).ExecuteCommand();
db.Insertable(new Tree1() { Id = 5, Name = "0201", ParentId = 2 }).ExecuteCommand();
db.Insertable(new Tree1() { Id = 6, Name = "020101", ParentId = 22 }).ExecuteCommand();
var list4=db.Queryable<Tree1>()
.Includes(it => it.Child,it=>it.Child)
.Includes(it => it.Parent,it=>it.Parent)
.ToList();
//var json = db.Utilities.SerializeObject(list4);
}
public class Tree1
{
[SqlSugar.SugarColumn(IsPrimaryKey = true)]
public int Id { get; set; }
public string Name { get; set; }
public int ParentId { get; set; }
[Navigat(NavigatType.OneToOne,nameof(ParentId))]
public Tree1 Parent { get; set; }
[Navigat(NavigatType.OneToMany,nameof(Tree1.ParentId))]
public List<Tree1> Child { get; set; }
}
public class ABMapping1
{
[SugarColumn(IsPrimaryKey = true )]

47
Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/NavigatManager.cs
View File

@ -24,6 +24,7 @@ namespace SqlSugar
//public QueryableProvider<T> Queryable { get; set; }
private List<Expression> _preExpressionList = new List<Expression>();
private List<object> _preList = new List<object>();
//private Expression[] _expressions;
//private List<T> _list;
//private EntityInfo _entityInfo;
@ -46,10 +47,45 @@ namespace SqlSugar
}
else if (i == 2)
{
var currentList = RootList;
if (RootList == null || currentList.Count == 0) return;
var memberExpression = ((_preExpressionList.Last() as LambdaExpression).Body as MemberExpression);
var navObjectName = memberExpression.Member.Name;
var list = RootList.Select(it => (it.GetType().GetProperty(navObjectName).GetValue(it))).ToList();
var navType = currentList[0].GetType().GetProperty(navObjectName).PropertyType.Name;
var isList = navType.StartsWith("List`");
List<object> list = new List<object>();
if (isList)
{
list = currentList.SelectMany(it => (it.GetType().GetProperty(navObjectName).GetValue(it) as IList).Cast<object>()).ToList();
}
else
{
list = currentList.Select(it => (it.GetType().GetProperty(navObjectName).GetValue(it))).ToList();
}
ExecuteByLay(item, list, SelectR2);
_preList = list;
}
else if (i == 3)
{
var currentList = _preList;
if (RootList == null || currentList.Count == 0) return;
var memberExpression = ((_preExpressionList.Last() as LambdaExpression).Body as MemberExpression);
var navObjectName = memberExpression.Member.Name;
var navType = currentList[0].GetType().GetProperty(navObjectName).PropertyType.Name;
var isList = navType.StartsWith("List`");
List<object> list = new List<object>();
if (isList)
{
list = currentList.SelectMany(it => (it.GetType().GetProperty(navObjectName).GetValue(it) as IList).Cast<object>()).ToList();
}
else
{
list = currentList.Select(it => (it.GetType().GetProperty(navObjectName).GetValue(it))).ToList();
}
ExecuteByLay(item, list, SelectR3);
_preList = list;
}
_preExpressionList.Add(item);
}
@ -57,9 +93,16 @@ namespace SqlSugar
private void ExecuteByLay(Expression expression, List<object> list, Func<ISugarQueryable<object>, List<object>> selector)
{
if (list == null || list.Count == 0) return;
list = list.Where(it => it != null).ToList();
var memberExpression = ((expression as LambdaExpression).Body as MemberExpression);
var listItemType = list[0].GetType();
var listItemType = list.Where(it=>it!=null).FirstOrDefault()?.GetType();
if (listItemType.Name.StartsWith("List`"))
{
listItemType = listItemType.GetGenericArguments()[0];
}
if (listItemType == null) return;
var listItemEntity = this.Context.EntityMaintenance.GetEntityInfo(listItemType);
var listPkColumn = listItemEntity.Columns.Where(it => it.IsPrimarykey).FirstOrDefault();
var navObjectName = memberExpression.Member.Name;