c#循环中产生伪随机数

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Security.Cryptography;
namespace Calculation
{
public static class RandomStatic
{
//产生[0,1)的随机小数
public static double ProduceDblRandom()
{
Random r = new Random(Guid.NewGuid().GetHashCode());//使用Guid的哈希值做种子
return r.NextDouble();
}
//产生制定范围内的随机整数
public static int ProduceIntRandom(int minValue, int maxValue)
{
Random r = new Random(Guid.NewGuid().GetHashCode());
return r.Next(minValue, maxValue + 1);
}
}
}

//使用上述静态类
private void button1_Click_1(object sender, EventArgs e)
{
for (int i = 0; i < 100; i++)
{
Console.WriteLine(RandomStatic.ProduceIntRandom(0,100));
}
}
//使用默认时间种子
private void button2_Click_1(object sender, EventArgs e)
{
Random r = new Random();
for (int i = 0; i < 100; i++)
{
Console.WriteLine(r.Next(0,100));
}
}