C#合并两个数组方法

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byte[] b1 = new byte[] { 1, 2, 3, 4, 5 };
            byte[] b2 = new byte[] { 6, 7, 8, 9 };
            byte[] b3 = new byte[b1.Length + b2.Length];
            char[] b4 = new char[] { '1', '2', '3', '4', '5' };
            char[] b5 = new char[] { '6', '7', '8', '9' };
            char[] b6 = new char[b1.Length + b2.Length];
            int[] b7 = new int[] { 1, 2, 3, 4, 5 };
            int[] b8 = new int[] { 6, 7, 8, 9 };
            int[] b9 = new int[b1.Length + b2.Length];
            string[] b10 = new string[] { "1", "2", "3", "4", "5" };
            string[] b11 = new string[] { "6", "7", "8", "9" };
            string[] b12 = new string[b1.Length + b2.Length];


            Buffer.BlockCopy(b1, 0, b3, 0, b1.Length);//这种方法仅适用于字节数组
            Buffer.BlockCopy(b2, 0, b3, b1.Length, b2.Length);
            b7.CopyTo(b9, 0);//这种方法适用于所有数组
            b8.CopyTo(b9, b7.Length);
            b6 = b4.Concat(b5).ToArray();//这种linq方法适用于所有数组，狠，一句话搞定
            foreach (var item in b3)
            {
                Console.Write(item + " ");
            }
            Console.WriteLine();
            foreach (var item in b6)
            {
                Console.Write(item + " ");
            }
            Console.WriteLine();
            foreach (var item in b9)
            {
                Console.Write(item + " ");
            }
            Console.ReadKey();

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