c#-文件下载(zip)
如何用c#实现实现一个压缩包(zip、rar)下载,请大家帮帮忙?谢谢了啊 在线等候 急 --------------------编程问答-------------------- 帮帮忙阿 --------------------编程问答-------------------- 帮帮忙阿 --------------------编程问答-------------------- 跑到C语言区来问C#,你不认识字么?C语言区,哪有人会C#。。。。。。 --------------------编程问答-------------------- --------------------编程问答--------------------
这里是c区吗??难道早上起来没戴眼镜?还是又通宵迷糊叻? --------------------编程问答--------------------
汗 ~~~ 这位大大 真是厉害.... --------------------编程问答--------------------
--------------------编程问答-------------------- 是做链接下载吗? --------------------编程问答-------------------- using System;
System.Net.WebClient c = new System.Net.WebClient();
c.DownloadFile("URL", "FileName");
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;
using System.IO;
using System.Threading;
namespace MyGetCar
{
///
/// Form1 的摘要说明。
///
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox srcAddress;
private System.Windows.Forms.TextBox tarAddress;
private System.Windows.Forms.StatusBar statusBar;
private System.Windows.Forms.Button Start;
private WebClient client = new WebClient();
///
/// 必需的设计器变量。
///
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
//
}
///
/// 清理所有正在使用的资源。
///
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
///
/// 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。
///
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.srcAddress = new System.Windows.Forms.TextBox();
this.tarAddress = new System.Windows.Forms.TextBox();
this.statusBar = new System.Windows.Forms.StatusBar();
this.Start = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 32);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(72, 23);
this.label1.TabIndex = 0;
this.label1.Text = "文件地址:";
this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
//
// label2
//
this.label2.Location = new System.Drawing.Point(8, 72);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(72, 23);
this.label2.TabIndex = 1;
this.label2.Text = "另存到:";
this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
//
// srcAddress
//
this.srcAddress.Location = new System.Drawing.Point(80, 32);
this.srcAddress.Name = "srcAddress";
this.srcAddress.Size = new System.Drawing.Size(216, 21);
this.srcAddress.TabIndex = 2;
//
// tarAddress
//
this.tarAddress.Location = new System.Drawing.Point(80, 72);
this.tarAddress.Name = "tarAddress";
this.tarAddress.Size = new System.Drawing.Size(216, 21);
this.tarAddress.TabIndex = 3;
//
// statusBar
//
this.statusBar.Location = new System.Drawing.Point(0, 151);
this.statusBar.Name = "statusBar";
this.statusBar.Size = new System.Drawing.Size(312, 22);
this.statusBar.TabIndex = 4;
//
// Start
//
this.Start.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.Start.Location = new System.Drawing.Point(216, 112);
this.Start.Name = "Start";
this.Start.Size = new System.Drawing.Size(75, 24);
this.Start.TabIndex = 5;
this.Start.Text = "开始下载";
this.Start.Click += new System.EventHandler(this.Start_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(312, 173);
this.Controls.Add(this.Start);
this.Controls.Add(this.statusBar);
this.Controls.Add(this.tarAddress);
this.Controls.Add(this.srcAddress);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.MaximizeBox = false;
this.Name = "Form1";
this.Text = "文件下载器";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
///
/// 应用程序的主入口点。
///
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void StartDownload()
{
//Start.Enabled = false;
string URL = srcAddress.Text;
int n = URL.LastIndexOf('/');
string URLAddress = URL.Substring(0, n);
string fileName = URL.Substring(n + 1, URL.Length - n - 1);
string Dir = tarAddress.Text;
string Path = Dir + '\\' + fileName;
try
{
WebRequest myre = WebRequest.Create(URLAddress);
}
catch (WebException exp)
{
MessageBox.Show(exp.Message, "Error");
}
try
{
//statusBar.Text = "开始下载文件...";
client.DownloadFile(URLAddress, fileName);
Stream str = client.OpenRead(URLAddress);
StreamReader reader = new StreamReader(str);
byte[] mbyte = new byte[100000];
int allmybyte = (int)mbyte.Length;
int startmbyte = 0;
//statusBar.Text = "正在接收数据...";
while (allmybyte > 0)
{
int m = str.Read(mbyte, startmbyte, allmybyte);
if (m == 0)
break;
startmbyte += m;
allmybyte -= m;
}
FileStream fstr = new FileStream(Path, FileMode.OpenOrCreate, FileAccess.Write);
fstr.Write(mbyte, 0, startmbyte);
str.Close();
fstr.Close();
//statusBar.Text = "下载完毕!";
}
catch (WebException exp)
{
MessageBox.Show(exp.Message, "Error");
//statusBar.Text = "";
}
Start.Enabled = true;
}
private void Start_Click(object sender, System.EventArgs e)
{
Thread th = new Thread(new ThreadStart(StartDownload));
th.Start();
}
}
}
--------------------编程问答-------------------- 压缩文件用SharpZip类,上网搜搜
补充:.NET技术 , C#