C# 数组拼接

byte[] a = { 1, 2, 3 };
byte[] b = { 99, 3, 2, 1, 99 };
byte[] c = { 0, 0 };
byte[] ab = a.Concat(b).Concat(c).ToArray();

foreach (byte v in ab)
{
    Console.WriteLine(v);
}

输出：

1
2
3
99
3
2
1
99
0
0

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参考：

https://blog.csdn.net/weixin_29868343/article/details/112814209