擅长:python、mysql、java
<p>您可以使用<em>功能方法</em></p>
<pre><code>var arr = new int[]{1 , 2, 3 , 4, 5};
var arr2 = arr.Skip (2).ToArray ();
var arr3 = arr.Take (3).Concat(new int[]{7,8}).ToArray ();
Console.WriteLine (String.Join(",",arr));
Console.WriteLine (String.Join(",",arr2));
Console.WriteLine (String.Join(",",arr3));
</code></pre>
<p>输出</p>
<pre><code>1,2,3,4,5
3,4,5
1,2,3,7,8
</code></pre>