C#------StreamWriter:写入文件

class Program
{
static void Main(string[] args)
{
//StreamWriter:写入文件

using(Stream OutStream = new FileStream(@"C:\Users\Administrator\Desktop\C#OOP练习\1.txt",FileMode.Create))
using(StreamWriter sw = new StreamWriter(OutStream,Encoding.Default))
{
sw.Write("呵呵");
sw.WriteLine("嘿嘿");
}

//StreamRead:读取文件
using(Stream InStream = new FileStream(@"C:\Users\Administrator\Desktop\C#OOP练习\1.txt",FileMode.Open))
using(StreamReader sr = new StreamReader(InStream,Encoding.Default))
{
string line = null;
while ((line = sr.ReadLine())!=null)
{
Console.WriteLine(line);
}
Console.ReadKey();
}

}

}