c# 命令行下编译c#文件 // c# file类读写文件

c# 命令行下编译c#文件

2010-03-01 15:02:14|  分类： c# 学习|字号 订阅

 
 

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： c# 学习|字号 订阅

 
 

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);

            }

        }

    }

}

原文引入：http://blog.163.com/zhangtongtx@126/blog/static/12459448720102125136178/

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