您可以按如下方式组织数据：
class Program {
static void Main(string[] args) {
List<Criteria> list = new List<Criteria>() {
new Criteria(Color.green, Country.england, Town.london, GoodBad.good, DayOfTheWeek.sunday, Daytime.evening),
new Criteria(Color.red, Country.thenetherlands, Town.amsterdam, GoodBad.bad, DayOfTheWeek.monday, Daytime.night),
new Criteria(Color.blue, Country.america, Town.newyork, GoodBad.bad, DayOfTheWeek.tuesday, Daytime.morning),
};
Console.WriteLine("- Native sorting:");
list.Sort();
foreach(var criteria in list) {
Console.WriteLine(criteria);
}
Console.WriteLine();
Console.WriteLine("- By Color:");
IOrderedEnumerable<Criteria> byColor = list.OrderBy(c => c.Color);
foreach(var criteria in byColor) {
Console.WriteLine(criteria);
}
Console.WriteLine();
Console.WriteLine("- By Country:");
IOrderedEnumerable<Criteria> byCountry = list.OrderBy(c => c.Country);
foreach(var criteria in byCountry) {
Console.WriteLine(criteria);
}
Console.WriteLine();
Console.WriteLine("- By Town:");
IOrderedEnumerable<Criteria> byTown = list.OrderBy(c => c.Town);
foreach(var criteria in byTown) {
Console.WriteLine(criteria);
}
Console.WriteLine();
Console.WriteLine("- By Good:");
IOrderedEnumerable<Criteria> byGood = list.OrderBy(c => c.GoodBad);
foreach(var criteria in byGood) {
Console.WriteLine(criteria);
}
Console.WriteLine();
Console.WriteLine("- By DayOfTheWeek:");
IOrderedEnumerable<Criteria> byDayOfTheWeek = list.OrderBy(c => c.DayOfTheWeek);
foreach(var criteria in byDayOfTheWeek) {
Console.WriteLine(criteria);
}
Console.WriteLine();
Console.WriteLine("- By Daytime:");
IOrderedEnumerable<Criteria> byDaytime = list.OrderBy(c => c.Daytime);
foreach(var criteria in byDaytime) {
Console.WriteLine(criteria);
}
Console.ReadKey();
}
}
sealed class Criteria : IComparable<Criteria> {
public readonly Color Color;
public readonly Country Country;
public readonly Town Town;
public readonly GoodBad GoodBad;
public readonly DayOfTheWeek DayOfTheWeek;
public readonly Daytime Daytime;
public Criteria(Color color, Country country, Town town, GoodBad goodBad, DayOfTheWeek dayOfTheWeek, Daytime daytime) {
this.Color = color;
this.Country = country;
this.Town = town;
this.GoodBad = goodBad;
this.DayOfTheWeek = dayOfTheWeek;
this.Daytime = daytime;
}
public override int GetHashCode() {
int result = (int)Color | (int)Country << 2 | (int)Town << 5 | (int)GoodBad << 8 | (int)DayOfTheWeek << 9 | (int)Daytime << 12;
return result;
}
public override string ToString() {
return string.Join(" ", Color, Country, Town, GoodBad, DayOfTheWeek, Daytime);
}
public int CompareTo(Criteria that) {
int result = this.Color.CompareTo(that.Color);
if(result != 0) {
return result;
}
result = this.Country.CompareTo(that.Country);
if(result != 0) {
return result;
}
result = this.Town.CompareTo(that.Town);
if(result != 0) {
return result;
}
result = this.GoodBad.CompareTo(that.GoodBad);
if(result != 0) {
return result;
}
result = this.DayOfTheWeek.CompareTo(that.DayOfTheWeek);
if(result != 0) {
return result;
}
result = this.Daytime.CompareTo(that.Daytime);
return result;
}
}
//2 bits
enum Color {
green,
red,
blue,
}
//3 bits
enum Country {
england,
thenetherlands,
america,
}
//3 bits
enum Town {
london,
amsterdam,
newyork,
}
//1 bit
enum GoodBad {
good,
bad,
}
//3 bits
enum DayOfTheWeek {
monday,
tuesday,
wednesday,
thursday,
friday,
saturday,
sunday,
}
//3 bits
enum Daytime {
morning,
afternoon,
evening,
night,
}