C#反转字符串的两种方法

1

public static string ReverseByArray(this string original)

{

char[] c = original.ToCharArray();

Array.Reverse(c);

return new string(c);

}



2

public static string ReverseByCharBuffer(this string original)

{

char[] c = original.ToCharArray();

int l = original.Length;

char[] o = new char[l];

for (int i = 0 ;i < l; i++)

{

o[i] = c[l-i-1];

}

return new string(o);

}