//插入字符串到指定位置
public bool Insert(int index, StringLink s)
{
if (s.IsEmpty())
{
Console.WriteLine("插入的字符串不能为空！");
return(false);
}
char[] chars = s.ToChars();
return(this.Insert(index, chars));
}
static void TestStringLink()
{
int nodeLength = 3;
StringLink s = new StringLink(new char[] { 'a', 'f', 'g', 'g', 's', 'k' }, nodeLength);
PrintStringLink(s, "串s为：");
StringLink s2 = new StringLink(new char[] { '5', '2', '0', 'a' }, nodeLength);
PrintStringLink(s2, "串s2为：");
s.Concat(s2);
StringLink s3 = new StringLink(new char[] { 'l', 'o', 'v', 'e' }, 20);
PrintStringLink(s, "串链接s2后：");
Console.WriteLine();
Console.WriteLine("在串s中查找串s2：的位置为：" + s.Index(s2));
s.Insert(5, new char[] { '1', '2', '8' });
PrintStringLink(s, "在串s位置5插入128后：");
s.Replace(s2, new StringLink(new char[] { 'l', 'u', 'o', '9' }, nodeLength));
PrintStringLink(s, "替换串s中的s2为luo9后：");
Console.WriteLine();
Console.WriteLine("在算中查找gg的位置为：" + s.Index(new StringLink(new char[] { 'g', 'g' }, nodeLength)));
s.Insert(9, s2);
PrintStringLink(s, "在串s位置9前插入s2(520a)后：");
s.Replace(new StringLink(new char[] { 'g', 'g' }, nodeLength), s2);
PrintStringLink(s, "在串s中替换gg为s2(520a)后：");
Console.WriteLine();
PrintStringLink(s3, "串s3为：");
s.Concat(s3);
PrintStringLink(s, "串s链接串s3后：");
s.Delete(2, 3);
PrintStringLink(s, "删除串s位置为2长度为3的子串后：");
s.Concat(s3);
PrintStringLink(s, "串s链接串s3后：");
s.Delete(1, 3);
PrintStringLink(s, "删除串s位置为1长度为3的子串后：");
s.Delete(6, 1);
PrintStringLink(s, "删除串s位置为6长度为1的子串后：");
}
//赋值为链串
public void ValueTo(StringLink s)
{
char[] chars = s.ToChars();
this.ValueTo(chars);
}