asdp.net 文件操作

最新推荐文章于 2025-08-06 15:18:06 发布

iteye_3606

最新推荐文章于 2025-08-06 15:18:06 发布

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文章标签： ui

本文介绍了一个使用ASP.NET进行文件操作的方法，包括创建普通文本文件、读取文本文件内容、创建二进制文件以及读取二进制文件。通过具体的代码示例展示了如何利用FileStream、StreamWriter等类来实现这些功能。

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using System.IO;

public partial class Default3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
protected void Button1_Click(object sender, EventArgs e)
{
string filename = Server.MapPath("~/") + this.TextBox2.Text;
FileStream fs = new FileStream(filename, FileMode.Create,
FileAccess.Write, FileShare.None);
StreamWriter sw = new StreamWriter(fs);
sw.Write(this.TextBox1.Text);
sw.Flush();
sw.Close();
fs.Close();
}//创建文件
protected void Button2_Click(object sender, EventArgs e)
{
string filename = Server.MapPath("~/") + this.TextBox2.Text;
FileStream fs = new FileStream(filename, FileMode.Open,
FileAccess.Read, FileShare.Read);
StreamReader sr = new StreamReader(fs);
this.TextBox1.Text = sr.ReadToEnd();
sr.Close();
fs.Close();
}//读取文件
protected void Button3_Click(object sender, EventArgs e)
{
string filename = Server.MapPath("~/") + this.TextBox2.Text;
FileStream fs = new FileStream(filename, FileMode.Create,
FileAccess.Write, FileShare.None);
BinaryWriter bw = new BinaryWriter(fs);
string[] data = this.TextBox1.Text.Split(new string[] { " " },
StringSplitOptions.RemoveEmptyEntries);
foreach (string str in data)
{
bw.Write(Convert.ToInt32(str));
}
bw.Close();
fs.Close();
}//创建二进制文件
protected void Button4_Click(object sender, EventArgs e)
{
string filename = Server.MapPath("~/") + this.TextBox2.Text;
FileStream fs = new FileStream(filename, FileMode.Open,
FileAccess.Read, FileShare.None);
BinaryReader br = new BinaryReader(fs);
long nums = br.BaseStream.Length / 4;
for (long i = 0; i < nums; i++)
{
this.TextBox1.Text += br.ReadInt32().ToString() + " ";
}
br.Close();
fs.Close();
}
}读取二进制文件