C# 将字符串数组转换为二维字符数组

# 将字符串数组转换为二维字符数组的简便方法（C#）

csharp
using System;
using System.Linq;
class Program
{
    static void Main()
    {
        // 一维字符串数组
        string[] stringArray = { "abc", "def", "ghi", "jkl" };
        // 计算二维数组的列数，假设每个字符串的长度相同
        int columns = stringArray.Max(s => s.Length);
        // 使用LINQ将一维数组转换为二维数组
        char[,] charArray = stringArray
            .Select(s => s.PadRight(columns, ' ').ToCharArray())
            .ToArray()
            .ToRectangular();
        // 输出二维字符数组
        for (int i = 0; i < charArray.GetLength(0); i++)
        {
            for (int j = 0; j < charArray.GetLength(1); j++)
            {
                Console.Write(charArray[i, j] + " ");
            }
            Console.WriteLine();
        }
    }
}
public static class ArrayExtensions
{
    // 扩展方法，将一维数组转换为二维数组
    public static T[,] ToRectangular(this T[] flatArray)
    {
        int length = flatArray.Length;
        int dim1 = (int)Math.Sqrt(length);
        int dim2 = (int)Math.Ceiling((double)length / dim1);
        T[,] newArray = new T[dim1, dim2];
        for (int i = 0; i < length; i++)
            newArray[i % dim1, i / dim1] = flatArray[i];
        return newArray;
    }
}