在c#中生成不重复的随机数

generate random numbers with no repeat in c#(在c#中生成不重复的随机数)

问题描述

如何在 C# 中生成不重复的随机数.我有一个数组，我想用 0 到 9 的随机数填充每个房间.每个房间应该有不同的数字.我用这个:

How can I generate random numbers with no repeat in C#. I have one array and I want to fill every room with random numbers from 0 to 9. Each room shoud have diffrent numbers. I use this:

for (int i = 0; i < 20; i++)
{
    Random rnd = new Random();
    int temp = 0;
    temp = rnd.Next(0, 9);
    page[i] = temp;
}

但我在每个房间的数组中得到相同的数字.

But I get same number in evey room's of array.

推荐答案

有了这么小的数字列表，您可以简单地生成一个包含所有数字的列表，然后 随机播放他们.

With such a small list of numbers to choose from you can simply generate a list that contains all of them and then shuffle them.

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