想用FileStream对文件进行读写操作，不知道这样写对不对
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Text;
namespace WindowsApplication1
{
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Button button2;
private System.ComponentModel.Container components = null;
public Form1()
{
InitializeComponent();
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.textBox2 = new System.Windows.Forms.TextBox();
this.button2 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(16, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(56, 16);
this.label1.TabIndex = 0;
this.label1.Text = "文件名称";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(96, 8);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(176, 21);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "";
//
// button1
//
this.button1.Location = new System.Drawing.Point(304, 8);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(72, 24);
this.button1.TabIndex = 2;
this.button1.Text = "浏览";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(24, 48);
this.textBox2.Multiline = true;
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(432, 184);
this.textBox2.TabIndex = 3;
this.textBox2.Text = "";
//
// button2
//
this.button2.Location = new System.Drawing.Point(392, 8);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(72, 24);
this.button2.TabIndex = 4;
this.button2.Text = "修改";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(472, 261);
this.Controls.Add(this.button2);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void button1_Click(object sender, System.EventArgs e)
{
OpenFileDialog open = new OpenFileDialog();
if (open.ShowDialog()==DialogResult.OK)
{
textBox1.Text = open.FileName;
using(FileStream fs1 = new FileStream (textBox1.Text,FileMode.OpenOrCreate,FileAccess.Read))
{//还有，这和File.OpenRead(filename)的对象有什么不同啊
byte[] content = new byte[fs1.Length];
while(fs1.Read(content,0,content.Length)>0)
{
textBox2.Text = Encoding.Default.GetString(content);
}
}
}
}
private void button2_Click(object sender, System.EventArgs e)
{
using(FileStream fs2 = new FileStream(textBox1.Text,FileMode.Create,FileAccess.ReadWrite,FileShare.None))
{
byte[] content =Encoding.Default.GetBytes(textBox2.Text);
fs2.Write(content,0,content.Length);
fs2.Flush();
MessageBox.Show("保存成功","保存");
}
}
}
}
[此贴子已经被作者于2006-9-8 9:35:38编辑过]
