摘要：运用Linq，将List 转换为 Dictionary即：List ToDictionary废话不说，看代码：示例代码：按照性别分类class Program { public class Student { public string Name { get; set; } public int Age { get; set; } public int Sex { get; set; } } static void Main(string[] args... 阅读全文

摘要：static DateTime pay_end(DateTime cur_date){DateTime start_date = DateTime.Parse("1999-05-03"); int time_diff = (cur_date - start_date).Days; int pay_periods = (int)(time_diff / 14.0D); if (Math.Ceiling(time_diff / 14.0D) == 0)return start_date.AddDays(pay_periods * 14); return start_date.A 阅读全文