C# 常用文件操作 文本文件 二进制文件 读写操作
[csharp]using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace text
{
class Program
{
static void Main(string[] args)
{
FileStream fs = new FileStream("test.txt", FileMode.OpenOrCreate);
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(1);
bw.Write(2);
bw.Write(3);
bw.Close();
fs.Close();
Console.ReadKey();
Console.WriteLine();
FileStream fs2 = new FileStream("test.txt", FileMode.Open);
BinaryReader br = new BinaryReader(fs2);
int a = br.ReadInt32();
int b = br.ReadInt32();
int c = br.ReadInt32();
Console.WriteLine(a);
Console.WriteLine(b);
Console.WriteLine(c);
br.Close();
fs2.Close();
Console.ReadKey();
FileStream fs3 = new FileStream("test2.txt", FileMode.Create);
StreamWriter sw = new StreamWriter(fs3);
sw.WriteLine("test from watkins");
sw.WriteLine("235");
sw.WriteLine(5);
sw.WriteLine("hah");
sw.Close();
fs3.Close();
Console.ReadKey();
Console.WriteLine();
FileStream fs4 = new FileStream("test2.txt", FileMode.Open);
StreamReader sr = new StreamReader(fs4);
string s1 = sr.ReadLine();
string s2 = sr.ReadLine();
string s3 = sr.ReadLine();
string s4 = sr.ReadLine();
Console.WriteLine(s1);
Console.WriteLine(s2);
Console.WriteLine(s3);
Console.WriteLine(s4);
Console.ReadKey();
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace text
{
class Program
{
static void Main(string[] args)
{
FileStream fs = new FileStream("test.txt", FileMode.OpenOrCreate);
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(1);
bw.Write(2);
bw.Write(3);
bw.Close();
fs.Close();
Console.ReadKey();
Console.WriteLine();
FileStream fs2 = new FileStream("test.txt", FileMode.Open);
BinaryReader br = new BinaryReader(fs2);
int a = br.ReadInt32();
int b = br.ReadInt32();
int c = br.ReadInt32();
Console.WriteLine(a);
Console.WriteLine(b);
Console.WriteLine(c);
br.Close();
fs2.Close();
Console.ReadKey();
FileStream fs3 = new FileStream("test2.txt", FileMode.Create);
StreamWriter sw = new StreamWriter(fs3);
sw.WriteLine("test from watkins");
sw.WriteLine("235");
sw.WriteLine(5);
sw.WriteLine("hah");
sw.Close();
fs3.Close();
Console.ReadKey();
Console.WriteLine();
FileStream fs4 = new FileStream("test2.txt", FileMode.Open);
StreamReader sr = new StreamReader(fs4);
string s1 = sr.ReadLine();
string s2 = sr.ReadLine();
string s3 = sr.ReadLine();
string s4 = sr.ReadLine();
Console.WriteLine(s1);
Console.WriteLine(s2);
Console.WriteLine(s3);
&n
补充：软件开发 , C# ,
