c# 命令行下编译c#文件  

2010-03-01 15:02:14|  分类： |字号 

 

 

在 开始  ——>程序 ——>vstool中打开vs2008命令提示。

通过指令进入要编译的.cs文件目录下。

csc 123.cs

生成123.exe

123.exe 运行

 

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c# file类读写文件  

2010-03-01 14:51:36|  分类： |字号 

 

 

 

 

 

using System;using System.IO;class Test {    public static void Main()     {        string path = @"c:\temp\MyTest.txt";        // This text is added only once to the file.        if (!File.Exists(path))         {            // Create a file to write to.            using (StreamWriter sw = File.CreateText(path))             {                sw.WriteLine("Hello");                sw.WriteLine("And");                sw.WriteLine("Welcome");            }            }        // This text is always added, making the file longer over time        // if it is not deleted.        using (StreamWriter sw = File.AppendText(path))         {            sw.WriteLine("This");            sw.WriteLine("is Extra");            sw.WriteLine("Text");        }            // Open the file to read from.        using (StreamReader sr = File.OpenText(path))         {            string s = "";            while ((s = sr.ReadLine()) != null)             {                Console.WriteLine(s);            }        }    }}

 

 

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