更改文字显示方向

using System.Text;

string text = "你好，我是richard,我家在中国陕西，在没有汉字输入法起做用的时候输入的字母ladalkd，数字和字符都是半角的。";
string result = Change(text, 3, false);
Console.WriteLine(result);
Console.ReadKey();



static string Change(string text, int rowCount, bool fromLeft = false)
{
    var list = text.Select(p => p.ToString()).ToList();
    var yuShu = list.Count()%rowCount;
    for (int i = 0; i < rowCount- yuShu; i++)
    {
        list.Add(" ");
    }
    StringBuilder sb = new StringBuilder();
    int rowPerCount = list.Count()%rowCount==0 ? list.Count()/rowCount : list.Count()/rowCount+1;
    if (fromLeft ==true)
    {
        for (int i = 0; i < rowCount; i++)
        {
            for (int j = 0; j < rowPerCount; j++)
            {
                int index = j*rowCount+i;
                if (index>=list.Count())
                {
                    continue;
                }
                else
                {
                    sb.Append(ToSBC(list[index]));

                }
            }
            sb.AppendLine();
        }
    }
    else
    {
        for (int i = 0; i < rowCount; i++)
        {
            for (int j = rowPerCount-1; j >=0; j--)
            {
                int index = j*rowCount+i;
                if (index>=list.Count())
                {
                    continue;
                }
                else
                {
                    sb.Append(ToSBC(list[index]));

                }
            }
            sb.AppendLine();
        }
    }
    return sb.ToString();
}

//static string ToSBC(string input)
//{
//    // 半角转全角：
//    char[] c = input.ToCharArray();
//    for (int i = 0; i < c.Length; i++)
//    {
//        if (c[i] == 32)
//        {
//            c[i] = (char)12288;
//            continue;
//        }
//        if (c[i] < 127)
//        {
//            c[i] = (char)(c[i] + 65248);
//        }
//    }
//    return new string(c);
//}

static string ToSBC(string input)
{
    if (input.Length  ==  Encoding.Default.GetByteCount(input))
    {
        return $"{input} ";
    }
    else
    {
        return input;
    }
}

标签：文字,index,string,更改,int,list,rowCount,方向,input
来源： https://www.cnblogs.com/nanqinling/p/16473472.html