public static void SetStockKey <TStockKey>(this IHasStockKey hasStockKey, TStockKey stockKey) where TStockKey : StockKeyBase
{
if (hasStockKey == null)
{
throw new ArgumentNullException(nameof(hasStockKey));
}
if (stockKey == null)
{
throw new ArgumentNullException(nameof(stockKey));
}
var entityProps = hasStockKey.GetType()
.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.ToArray();
foreach (var keyProp in stockKey.GetType().GetProperties())
{
var entityProp = entityProps.SingleOrDefault(x => x.Name == keyProp.Name);
if (entityProp == null)
{
throw new InvalidOperationException($"未找到属性，类型【{hasStockKey.GetType()}】，名称【{keyProp.Name}】");
}
object value = keyProp.GetValue(stockKey);
entityProp.SetValue(hasStockKey, value);
}
}
private static StockKeyBase GetStockKey(this IHasStockKey hasStockKey, Type stockKeyType)
{
if (hasStockKey == null)
{
throw new ArgumentNullException(nameof(hasStockKey));
}
if (stockKeyType == null)
{
throw new ArgumentNullException(nameof(stockKeyType));
}
if (typeof(StockKeyBase).IsAssignableFrom(stockKeyType) == false)
{
throw new ArgumentException("应为 StockKey 的子类", nameof(stockKeyType));
}
var entityProps = hasStockKey.GetType()
.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.ToArray();
List <object> values = new List <object>();
foreach (var keyParam in stockKeyType.GetConstructors()[0].GetParameters())
{
var entityProp = entityProps.SingleOrDefault(x => x.Name == keyParam.Name);
if (entityProp == null)
{
throw new InvalidOperationException($"未找到属性，类型【{hasStockKey.GetType()}】，名称【{keyParam.Name}】");
}
object value = entityProp.GetValue(hasStockKey);
values.Add(value);
}
StockKeyBase stockKey = (StockKeyBase)Activator.CreateInstance(stockKeyType, values.ToArray());
return(stockKey);
}
public static TStockKey GetStockKey <TStockKey>(this IHasStockKey hasStockKey) where TStockKey : StockKeyBase
{
return((TStockKey)GetStockKey(hasStockKey, typeof(TStockKey)));
}
