using System.IO;Read:StreamReader sr=new StreamReader(Request.PhysicalApplicationPath.ToString() + "mytext.txt");
string myStr=sr.ReadLine();
sr.Close();
return myStr;Write:
StreamWriter sr=new StreamWriter(Request.PhysicalApplicationPath.ToString() + "mytext.txt");
sr.Write(newStr);
sr.Close();
string myStr=sr.ReadLine();
sr.Close();
return myStr;Write:
StreamWriter sr=new StreamWriter(Request.PhysicalApplicationPath.ToString() + "mytext.txt");
sr.Write(newStr);
sr.Close();
using System.IO;class Sample
{
public static void Main()
{
// 在c:\aspnet目录中创建sample.txt文件
StreamWriter sw=File.CreateText("c:\\aspnet\\sample.txt");
// 写几行数据到文件中
sw.WriteLine("人生就像一场戏,因为有缘才相聚");
sw.WriteLine("相扶到老不容易,是否更该去珍惜");
sw.WriteLine("为了小事就生气,回头想想又何必");
sw.WriteLine("别人生气我不气,气出病来无人替");
sw.WriteLine("我若气死谁如意,况且伤神又费力");
sw.WriteLine("邻居亲朋不要比,儿孙琐事由他去");
sw.WriteLine("吃苦享乐在一起,神仙羡慕好伴侣");
// 关闭文件
sw.Close();
// 打开文本文件
StreamReader sr=File.OpenText("c:\\aspnet\\sample.txt");
// 从文件中读取数据并显示
while (sr.Peek()!=-1)
{
String str=sr.ReadLine();
Console.WriteLine(str);
}
// 关闭文件
sr.Close();
}
}