文件流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); } } } }