/// <summary>
/// Source集合赋值给List.Value集合
/// </summary>
/// <typeparam name="TList"></typeparam>
/// <typeparam name="TSource"></typeparam>
/// <typeparam name="TIdType"></typeparam>
/// <typeparam name="TValueType"></typeparam>
/// <param name="list">被设置Value字段值的列表</param>
/// <param name="source">Id和Value对应的数据源</param>
/// <param name="listIdField">List.Id字段</param>
/// <param name="listValueField">List.Value被设置值字段</param>
/// <param name="sourceIdField">Source.Id字段</param>
/// <param name="sourceValueField">Source.Value字段</param>
/// <returns></returns>
public static IEnumerable <TList> SetListValuesByIds <TList, TSource, TIdType, TValueType>(this IEnumerable <TList> list, IEnumerable <TSource> source,
Func <TList, IEnumerable <TIdType> > listIdField, Expression <Func <TList, IEnumerable <TValueType> > > listValueField, Func <TSource, TIdType> sourceIdField, Func <TSource, TValueType> sourceValueField)
{
return(ListHelper.SetListValues(new ListValueByIds <TList, TSource, TIdType, TValueType>()
{
List = list,
Source = source,
ListIdField = listIdField,
ListValueField = listValueField,
SourceIdField = sourceIdField,
SourceValueField = sourceValueField
}));
}
/// <summary>
/// Source.Value赋值给List.Values
/// </summary>
/// <typeparam name="TList"></typeparam>
/// <typeparam name="TSource"></typeparam>
/// <param name="list">被设置Value字段值的列表</param>
/// <param name="source">Id和Value对应的数据源</param>
/// <param name="listIdField">List.Id字段，字符串集合（多个用split分割）</param>
/// <param name="listValueField">List.Value被设置值字段</param>
/// <param name="sourceIdField">Source.Id字段</param>
/// <param name="sourceValueField">Source.Value字段</param>
/// <param name="split">字符串分割符</param>
public static IEnumerable <TList> SetListValuesByIdsString <TList, TSource>(this IEnumerable <TList> list, IEnumerable <TSource> source,
Func <TList, string> listIdField, Expression <Func <TList, string> > listValueField, Func <TSource, long> sourceIdField,
Func <TSource, string> sourceValueField, char split)
{
return(ListHelper.SetListValues(new ListValueByIdsString <TList, TSource, long>()
{
List = list,
Source = source,
ListIdField = listIdField,
ListValueField = listValueField,
SourceIdField = sourceIdField,
SourceValueField = sourceValueField,
Split = split
}));
}
