C# 输入字符串，每3个截取一次，形成一个数组

//输入字符串，每3个截取一次，形成一个数组

static void Main(string[] args)

{

//输入字符串

Console .WriteLine ("请输入：");

string a =Convert .ToString(Console .ReadLine ());

Console.WriteLine("输入字符串的长度："+a.Length);

//调用函数截取

string[] c =jiequ(a, 3);

//输出字符串

foreach (string b in c)

{

Console.WriteLine(b);

}

}

static string[] jiequ(string x, int y)//定义函数，输入的字符串和截取的长度

{

List <string>d=new List<string>() ;

int i = 0, j = x.Length;

while (i < x.Length && j > y)

{

d.Add(x.Substring(i, y));

i = i + y;

j = j - y;

}

d.Add(x.Substring (i,j));

return d.ToArray();

}