yanghui1.cs
资源名称:Visual.rar [点击查看]
上传用户:yiyuerguo
上传日期:2014-09-27
资源大小:3781k
文件大小:1k
源码类别:
C#编程
开发平台:
Others
- // 程序:yanghui1.cs
- using System;
- using System.IO;
- public class printandwritetofileofyh
- {
- public static void Main()
- {
- StreamWriter sw;
- StreamReader inStr = null;
- string textLine = null;
- int[,] a = new int[10,10];
- a[0,0] = 1; // 初始化数组
- for(int i=1;i<10;i++)
- {
- a[i,0] = 1;
- a[i,i] = 1;
- for(int j=1;j<i;j++)
- {
- a[i,j]=a[i-1,j-1]+a[i-1,j];
- }
- }
- try
- {
- sw=File.CreateText("yanghui.txt");
- }
- catch
- {
- Console.WriteLine("File cannot be created!");
- return;
- }
- for(int i=0;i<10;i++)
- {
- for(int j=0;j<=i;j++)
- {
- sw.Write("{0} ",a[i,j]);
- }
- sw.WriteLine(); // 换行
- }
- sw.Close();
- //读取文件
- FileInfo textFile = new FileInfo(@"yanghui.txt");
- inStr = textFile.OpenText();
- Console.WriteLine("n Reading from text file: n");
- textLine = inStr.ReadLine();
- while(textLine != null)
- {
- Console.WriteLine(textLine);
- textLine = inStr.ReadLine();
- }
- inStr.Close();
- Console.ReadLine();
- }
- }