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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