-1
深度嵌套的字典需要創建一個部分pupulated如何創建部分填充使用LINQ C#
IDictionary<string, IDictionary<string, IDictionary<DateTime, double>>> AllparamsSmooth
深度嵌套的字典我有
List<Facility> facilities
和
List<string> names
極品創建AllparamsSmooth,其中只是字符串被瞳孔^(它們只是名字):
難道是這樣的:
foreach (var facility in facilities)
{
AllparamsSmooth.Add(facility.Name, new Dictionary<string, IDictionary<DateTime, double>>());
foreach (var name in names)
{
AllparamsSmooth[facility.Name].Add(name, new Dictionary<DateTime, double>());
}
}
問題 - 如何使用LINQ做這個
但是你的設計nt這,它不會被維護,除非你重新設計。 – stt106
嘗試這樣:var results = facilities.GroupBy(x => facility.Name).ToDictionary(k => k.Key,v => v.GroupBy(n => n.name).ToDictionary(x => x.key,y = y.date)); – jdweng
var mayNestdictinoary = facilities.GroupBy(x => x.Name).ToDictionary(k => k.Key,v => names.ToDictionary(x => x,y => (IDictionary)new Dictionary ())); –
Yauheni