lsm/SqlSugar
1
0
Fork 0
mirror of https://gitee.com/dotnetchina/SqlSugar.git synced 2025-10-15 18:55:07 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Synchronization code

Browse Source
This commit is contained in:
sunkaixuan
2024-02-02 15:14:01 +08:00
parent 3ad9a4df4a
commit 08c12e36d6
1 changed files with 21 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
Src/Asp.Net/SqlSugar/Utilities/ExpressionBuilderHelper.cs
View File

@@ -71,13 +71,29 @@ namespace SqlSugar
Type sourceType = typeof(T);
Dictionary<string, PropertyInfo> sourceProperties = entity.Columns.Where(it=> propertyNames.Contains(it.PropertyName)).ToDictionary(it=>it.PropertyName,it=>it.PropertyInfo);
Type dynamicType = LinqRuntimeTypeBuilder.GetDynamicType(sourceProperties.Values);
ParameterExpression sourceItem = Expression.Parameter(sourceType, "t");
IEnumerable<MemberBinding> bindings = dynamicType.GetRuntimeProperties().Select(p => Expression.Bind(p, Expression.Property(sourceItem, sourceProperties[p.Name]))).OfType<MemberBinding>();
if (StaticConfig.EnableAot)
{
Type dynamicType =typeof(T);
return Expression.Lambda<Func<T, object>>(Expression.MemberInit(
Expression.New(dynamicType.GetConstructor(Type.EmptyTypes)), bindings), sourceItem);
ParameterExpression sourceItem = Expression.Parameter(sourceType, "t");
IEnumerable<MemberBinding> bindings = dynamicType.GetProperties().Where(it=> sourceProperties.Any(s=>s.Key==it.Name)).Select(p => Expression.Bind(p, Expression.Property(sourceItem, sourceProperties[p.Name]))).OfType<MemberBinding>();
return Expression.Lambda<Func<T, object>>(Expression.MemberInit(
Expression.New(dynamicType.GetConstructor(Type.EmptyTypes)), bindings), sourceItem);
}
else
{
Type dynamicType = LinqRuntimeTypeBuilder.GetDynamicType(sourceProperties.Values);
ParameterExpression sourceItem = Expression.Parameter(sourceType, "t");
IEnumerable<MemberBinding> bindings = dynamicType.GetRuntimeProperties().Select(p => Expression.Bind(p, Expression.Property(sourceItem, sourceProperties[p.Name]))).OfType<MemberBinding>();
return Expression.Lambda<Func<T, object>>(Expression.MemberInit(
Expression.New(dynamicType.GetConstructor(Type.EmptyTypes)), bindings), sourceItem);
}
}
public static Expression CreateExpressionSelectField(Type classType, string propertyName, Type propertyType)
{