using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace 文件流
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnOpen1_Click(object sender, EventArgs e)
{
OpenFileDialog readOFD = new OpenFileDialog();
if (readOFD.ShowDialog() == DialogResult.OK)
{
txtPath1.Text = readOFD.FileName;
}
}
private void btnRead_Click(object sender, EventArgs e)
{
using (FileStream fs = new FileStream(txtPath1.Text, FileMode.Open))
{
byte[] bytearry=new byte[1024*1024*4];
int length= fs.Read(bytearry,0,bytearry.Length);
if (length > 0)
{
txtinputbox1.Text = Encoding.UTF8.GetString(bytearry);
}
}
}
private void btnOpen2_Click(object sender, EventArgs e)
{
OpenFileDialog writOpneFileDialog = new OpenFileDialog();
if (writOpneFileDialog.ShowDialog() == DialogResult.OK)
{
txtPath2.Text = writOpneFileDialog.FileName;
}
}
private void btnWrite_Click(object sender, EventArgs e)
{
using (FileStream fs = new FileStream(txtPath2.Text, FileMode.Create))
{
byte[] bytefile=Encoding.UTF8.GetBytes(textBox3.Text.Trim());
fs.Write(bytefile,0,bytefile.Length);
}
}
}
}
