static public void shuffle <T>(List <T> list)
{
if (list == null || list.Count <= 0)
{
return;
}
for (int i = 0; i < list.Count; i++)
{
int idx = NumericalUtil.numerical(i, list.Count);
T tmp = list[i];
list[i] = list[idx];
list[idx] = tmp;
}
}
// 打乱属性数组
static public void shuffle <T>(T[] array)
{
if (array == null || array.Length <= 0)
{
return;
}
for (int i = 0; i < array.Length; i++)
{
int idx = NumericalUtil.numerical(i, array.Length);
T tmp = array[i];
array[i] = array[idx];
array[idx] = tmp;
}
}