linq获取数组元素查询

Question

我只想用dictionary中等于零的元素创建一个值array 。

Dictionary<string, int> dict = new Dictionary<string, int>();
int notZeroValues = dict.Values.ToArray();  //sth here to get these elements efficiently

请帮忙？

Answer 1

dict.Where(x => x.Value != 0).Select(x => x.Value).ToArray();

其他方式：

dict.Values.OfType<int>().Where(x => x != 0).ToArray();