我有两个类,一个用于定义算法参数,另一个用于实现算法:
第1类(算法参数):
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace VM_Placement { public static class AlgorithmParameters { public static int pop_size = 100; public static double crossover_rate = 0.7; public static double mutation_rate = 0.001; public static int chromo_length = 300; public static int gene_length = 4; public static int max_allowable_generations = 400; static Random rand = new Random(); public static double random_num = rand.NextDouble(); } }
第2类(实现算法):
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace VM_Placement { public class Program { public struct chromo_typ { public string bits; public float fitness; //public chromo_typ(){ // bits = ""; // fitness = 0.0f; //} chromo_typ(string bts, float ftns) { bits = bts; fitness = ftns; } }; public static int GetRandomSeed() { byte[] bytes = new byte[4]; System.Security.Cryptography.RNGCryptoServiceProvider rng = new System.Security.Cryptography.RNGCryptoServiceProvider(); rng.GetBytes(bytes); return BitConverter.ToInt32(bytes, 0); } public string GetRandomBits() { string bits=""; for (int i = 0; i < VM_Placement.AlgorithmParameters.chromo_length; i++) { if (VM_Placement.AlgorithmParameters.random_num > 0.5f) bits += "1"; else bits += "0"; } return bits; } public static void Main(string[] args) { Random rnd = new Random(GetRandomSeed()); while (true) { chromo_typ[] Population = new chromo_typ[VM_Placement.AlgorithmParameters.pop_size]; double Target; Console.WriteLine("\n Input a target number"); Target = Convert.ToDouble(Console.ReadLine()); for (int i = 0; i < VM_Placement.AlgorithmParameters.pop_size; i++) { Population[i].bits = GetRandomBits(); Population[i].fitness = 0.0f; } } } } }
我对得到一个错误Population[i].bits = GetRandomBits();在Main()。
Population[i].bits = GetRandomBits();
Main()
错误是:
非静态字段,方法或属性’VM_Placement.Program.GetRandomBits()’需要对象引用。
我有什么想念的吗?
该Main方法是静态的。您不能从静态方法调用非静态方法。
Main
GetRandomBits()
不是静态方法。您必须创建一个实例Program
Program
Program p = new Program(); p.GetRandomBits();
或使
GetRandomBits() 静态的。