C#二维数组文件流读写并转置
C#二维数组文件流读写并转置
C#二维数组的文件流读写并进行转置
链接: link.
图片:
进行转置后的效果
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
namespace 二维数组读写进文件流
{
class Program
{
public static int ROW = 4;
public static int COL = 4;
static int[,] arrayA = new int[ROW, COL];
static void Main(string[] args)
{
Write(); //把二维数组写入文件
string[,] strArray = Read(); //读出文件流的二维数组
ArrayNN(ref strArray, ROW, COL);
Console.ReadKey();
}
static void ArrayNN(ref string[,] a, int row, int col)
{
string[,] tmp = new string[row, col];
for (int i = 0; i < row; i++)
{
for (int j = 0; j < col; j++)
{
tmp[i, row - j - 1] = a[j, i];
}
}
Console.Write("\n文件流转置之后：");
for (int i = 0; i < row; i++)
{
Console.WriteLine();
for (int j = 0; j < col; j++)
{
Console.Write("{0}" + "\t", tmp[i, j]);
}
}
}
public static string[,] Read()
{
string[,] str = new string[ROW, COL];
string[] a;
StreamReader sr = new StreamReader(@"D:\write.txt", Encoding.Default);
Console.Write("文件流读取出来的数组:\n");
for (int i = 0; i < ROW; i++)
{
String line = sr.ReadLine();
a = line.Split('\t');
for (int j = 0; j < COL; j++)
{
str[i, j] = a[j];
Console.Write(str[i, j]+"\t");
}
Console.WriteLine();
}
return str;
}
public static void Write()
{
//int[,] arrayA = { { 1, 2, 3, 4 }, { 5, 6, 7, 8 }, { 9, 10, 11, 12 }, { 13, 14, 15, 16 } };
int[,] arrayA = new int[ROW, COL];
FileStream fs = new FileStream(@"D:\write.txt", FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
Random rd = new Random();
for (int i = 0; i < ROW; i++)
{
for (int j = 0; j < COL; j++)
{
arrayA[i, j] = rd.Next(1, 100);
sw.Write(arrayA[i,j]+"\t");
}
sw.WriteLine();
}
Console.WriteLine("写入完成");
//清空缓冲区
sw.Flush();
//关闭流
sw.Close();
fs.Close();
}
}
}
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