假设我有以下对象的列表:
Player {id, score}
我需要找到重复的ID ,能够添加重复的玩家的得分,并返回没有重复的列表,加上分数。
Player1.id = 1
Player1.score = 5
Player1.id = 1
Player1.score = 6
Player2.id = 2
Player2.score = 4
预期结果:
Player1.id = 1
Player1.score = 11
Player2.id = 2
Player2.score = 4
答案 0 :(得分:1)
您可以使用GroupBy,这是一个示例:
var result = players.GroupBy(x => x.id)
.Select(x => new Player
{
id = x.Key,
score = x.Sum(y => y.score)
})
.ToArray();
答案 1 :(得分:1)
尝试一下:
kAudioUnitSubType_RemoteIO
答案 2 :(得分:1)
尝试以下步骤
例如:。 PrayerList.groupby(X => x.id).select(g =>新祈祷{id = g.key,分数= g.sum(y => y.score)})。tolist()