Code/Resource
Windows Develop
Linux-Unix program
Internet-Socket-Network
Web Server
Browser Client
Ftp Server
Ftp Client
Browser Plugins
Proxy Server
Email Server
Email Client
WEB Mail
Firewall-Security
Telnet Server
Telnet Client
ICQ-IM-Chat
Search Engine
Sniffer Package capture
Remote Control
xml-soap-webservice
P2P
WEB(ASP,PHP,...)
TCP/IP Stack
SNMP
Grid Computing
SilverLight
DNS
Cluster Service
Network Security
Communication-Mobile
Game Program
Editor
Multimedia program
Graph program
Compiler program
Compress-Decompress algrithms
Crypt_Decrypt algrithms
Mathimatics-Numerical algorithms
MultiLanguage
Disk/Storage
Java Develop
assembly language
Applications
Other systems
Database system
Embeded-SCM Develop
FlashMX/Flex
source in ebook
Delphi VCL
OS Develop
MiddleWare
MPI
MacOS develop
LabView
ELanguage
Software/Tools
E-Books
Artical/Document
Form1.cs
Package: VC#.NET范例.rar [view]
Upload User: chinafred
Upload Date: 2007-08-14
Package Size: 10127k
Code Size: 6k
Category:
ADO-ODBC
Development Platform:
C#
- using System;
- using System.Drawing;
- using System.Collections;
- using System.ComponentModel;
- using System.Windows.Forms;
- using System.Data;
- using System.Net.Sockets;
- using System.Net;
- using System.IO;
- namespace ch7_6
- {
- /// <summary>
- /// Form1 的摘要说明。
- /// </summary>
- public class Form1 : System.Windows.Forms.Form
- {
- private System.Windows.Forms.TextBox textBox1;
- private System.Windows.Forms.TextBox textBox2;
- private System.Windows.Forms.Button button1;
- private System.Windows.Forms.Button button2;
- private System.Windows.Forms.Label label1;
- private System.Windows.Forms.Label label2;
- /// <summary>
- /// 必需的设计器变量。
- /// </summary>
- private System.ComponentModel.Container components = null;
- public Form1()
- {
- //
- // Windows 窗体设计器支持所必需的
- //
- InitializeComponent();
- //
- // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
- //
- }
- /// <summary>
- /// 清理所有正在使用的资源。
- /// </summary>
- protected override void Dispose( bool disposing )
- {
- if( disposing )
- {
- if (components != null)
- {
- components.Dispose();
- }
- }
- base.Dispose( disposing );
- }
- #region Windows Form Designer generated code
- /// <summary>
- /// 设计器支持所需的方法 - 不要使用代码编辑器修改
- /// 此方法的内容。
- /// </summary>
- private void InitializeComponent()
- {
- this.textBox1 = new System.Windows.Forms.TextBox();
- this.textBox2 = new System.Windows.Forms.TextBox();
- this.button1 = new System.Windows.Forms.Button();
- this.button2 = new System.Windows.Forms.Button();
- this.label1 = new System.Windows.Forms.Label();
- this.label2 = new System.Windows.Forms.Label();
- this.SuspendLayout();
- //
- // textBox1
- //
- this.textBox1.Location = new System.Drawing.Point(32, 64);
- this.textBox1.Name = "textBox1";
- this.textBox1.Size = new System.Drawing.Size(208, 21);
- this.textBox1.TabIndex = 0;
- this.textBox1.Text = "trueice.dhs.org";
- //
- // textBox2
- //
- this.textBox2.Location = new System.Drawing.Point(32, 152);
- this.textBox2.Name = "textBox2";
- this.textBox2.Size = new System.Drawing.Size(200, 21);
- this.textBox2.TabIndex = 1;
- this.textBox2.Text = "";
- //
- // button1
- //
- this.button1.Location = new System.Drawing.Point(152, 104);
- this.button1.Name = "button1";
- this.button1.TabIndex = 2;
- this.button1.Text = "浏览";
- this.button1.Click += new System.EventHandler(this.button1_Click);
- //
- // button2
- //
- this.button2.Location = new System.Drawing.Point(152, 192);
- this.button2.Name = "button2";
- this.button2.TabIndex = 3;
- this.button2.Text = "保存";
- this.button2.Click += new System.EventHandler(this.button2_Click);
- //
- // label1
- //
- this.label1.Location = new System.Drawing.Point(32, 24);
- this.label1.Name = "label1";
- this.label1.Size = new System.Drawing.Size(80, 16);
- this.label1.TabIndex = 4;
- this.label1.Text = "请输入网址";
- //
- // label2
- //
- this.label2.Location = new System.Drawing.Point(32, 112);
- this.label2.Name = "label2";
- this.label2.Size = new System.Drawing.Size(100, 16);
- this.label2.TabIndex = 5;
- this.label2.Text = "选择保存文件";
- //
- // Form1
- //
- this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
- this.ClientSize = new System.Drawing.Size(272, 245);
- this.Controls.AddRange(new System.Windows.Forms.Control[] {
- this.label2,
- this.label1,
- this.button2,
- this.button1,
- this.textBox2,
- this.textBox1});
- this.Name = "Form1";
- this.Text = "网页下载";
- this.ResumeLayout(false);
- }
- #endregion
- /// <summary>
- /// 应用程序的主入口点。
- /// </summary>
- [STAThread]
- static void Main()
- {
- Application.Run(new Form1());
- }
- private void button1_Click(object sender, System.EventArgs e)
- {
- SaveFileDialog sDialog=new SaveFileDialog();
- sDialog.Filter="网页(*.htm;*.html)|*.htm;*.html";
- //显示保存文件对话框
- if (sDialog.ShowDialog()==DialogResult.OK)
- {
- //得到保存文件名
- this.textBox2.Text=sDialog.FileName;
- }
- }
- private void button2_Click(object sender, System.EventArgs e)
- {
- //得到保存文件名
- string fileName=this.textBox2.Text.Trim();
- //得到网页名称
- string url=this.textBox1.Text.Trim();
- //如果前面没有加"http://"标志则加上。
- if (url.IndexOf(@"http://")==-1 )
- {
- url=@"http://"+url;
- }
- //构造Web请求
- HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
- //发送请求,获取响应
- HttpWebResponse response = (HttpWebResponse)request.GetResponse();
- //使用到的读写流
- Stream inStream = null;
- FileStream fileStream = null;
- try
- {
- //获得流
- inStream = response.GetResponseStream();
- //获得文件长度
- long fileSizeInBytes = response.ContentLength;
- //创建文件流对象
- fileStream = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.Write);
- //读取数据缓冲区长度和缓冲区
- int length = 1024;
- byte[] buffer = new byte[1025];
- //记录读取的长度
- int bytesread = 0;
- string s="";
- //从网络读取数据
- while((bytesread = inStream.Read(buffer, 0, length)) > 0)
- {
- //把数据写入文件
- fileStream.Write(buffer, 0, bytesread);
- s+=System.Text.Encoding.Default.GetString(buffer,0,bytesread);
- }
- }
- catch(Exception fe)
- {
- MessageBox.Show("文件创建/写入错误:"+fe.Message,"提示信息",MessageBoxButtons.OK,MessageBoxIcon.Information);
- }
- finally
- {
- //关闭流
- if(inStream != null)
- {
- inStream.Close();
- }
- if(fileStream != null)
- {
- fileStream.Close();
- }
- }
- }
- }
- }