不重复随机乱序 public int[] GetRandomUnrepeatArray(int minValue, int maxValue, int count)
{
Random rnd = new Random();
int length = maxValue - minValue + 1;
byte[] keys = new byte[length];
rnd.NextBytes(keys);
int[] items = new int[length];
for (int i = 0; i < length; i++)
{
items[i] = i + minValue;
}
Array.Sort(keys, items);
int[] result = new int[count];
Array.Copy(items, result, count);
return result
{
Random rnd = new Random();
int length = maxValue - minValue + 1;
byte[] keys = new byte[length];
rnd.NextBytes(keys);
int[] items = new int[length];
for (int i = 0; i < length; i++)
{
items[i] = i + minValue;
}
Array.Sort(keys, items);
int[] result = new int[count];
Array.Copy(items, result, count);
return result
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