多线程对应多进度条问题！
本人现在做一个FTP上传软件用WINFORM，利用多线程上传每个线程对应一个进度条！上传完成了也可以多线程但是利用的THREADING类，如果现在想时时得到进度返回给进度条，就不能用线程类了！不知道大家还有什么其他的办法！代码如下：//主窗体类
using System;
using System.Collections.Generic;
using
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using
using
using System.Configuration;
using System.Threading;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
delegate void uploaddelegate(string filename);
uploaddelegate upload;
//private FtpWebRequest reqFtp;
private static string webUri = System.Configuration.ConfigurationManager.AppSettings["serverurl"].ToString();
private static string uid = System.Configuration.ConfigurationManager.AppSettings["uid"].ToString();
private static string password = System.Configuration.ConfigurationManager.AppSettings["password"].ToString();
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
ofd.ShowDialog();
ofd.InitialDirectory = @"c\:";
ofd.ReadOnlyChecked = true;
ofd.Filter = "所有文件(*.*)|*.*";
textBox2.Text = ofd.FileName.ToString();
}
private void button2_Click(object sender, EventArgs e)
{
if (textBox1.Text.Trim() == string.Empty || textBox2.Text.Trim() == string.Empty)
{
MessageBox.Show("请输入你要上载的文件名字！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
string fileNamePath = textBox2.Text.Trim();
string urlString = textBox1.Text.Trim();
string fileName = fileNamePath.Substring(fileNamePath.LastIndexOf("\\") + 1);
string fileNameExt = fileName.Substring(fileName.LastIndexOf(".")+1);
if (urlString.EndsWith("/") == false)
{
urlString = urlString + "/";
}
urlString = urlString + fileName;
FTPAccess ftp = new FTPAccess();
Thread ff = new Thread(new ParameterizedThreadStart(ftp.Upload));
ff.Start(fileName);
}
}
private void button3_Click(object sender, EventArgs e)
{
string[] ftpList = new FTPAccess().getFtpList(textBox1.Text);
for (int i = 0; i < ftpList.Length; i++)
{
if(ftpList[i].ToString().Equals("."))
{
}
listView1.Items.Add(ftpList[i]);
}
}
//public void ThreadProc(FTPAccess ftp)
//{
// this.Invoke(ftp.Upload);
//}
}
}
//文件上传类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Configuration;
using
using
using System.Windows.Forms;
using
namespace WindowsFormsApplication2
{
class FTPAccess
{
public Boolean success = false;
private FtpWebRequest reqFtp;
private static string webUri = System.Configuration.ConfigurationManager.AppSettings["serverurl"].ToString();
private static string uid = System.Configuration.ConfigurationManager.AppSettings["uid"].ToString();
private static string password = System.Configuration.ConfigurationManager.AppSettings["password"].ToString();
public delegate void uploaddelegate(object filename);
public FTPAccess()
{
reqFtp = (FtpWebRequest)FtpWebRequest.Create(new Uri(webUri));
reqFtp.Credentials = new NetworkCredential(uid, password);
reqFtp.UseBinary = true;
reqFtp.KeepAlive = false;
//uploaddelegate upload = new uploaddelegate(Upload);
}
/*<summary>
* 得到FTP服务器的文件列表
* </summary>
* <param name="ftpUri">文件地址</param>
*/
public string[] getFtpList(string ftpUri)
{
string[] downloadFiles = null;
//FileInfo fileInfo = new FileInfo(ftpUri);
StringBuilder result = new StringBuilder();
try{
reqFtp.Method = WebRequestMethods.Ftp.ListDirectory;
FtpWebResponse repsonse = (FtpWebResponse)reqFtp.GetResponse();
StreamReader reader = new StreamReader(repsonse.GetResponseStream());
string line = reader.ReadLine();
//fileLength = (int)response.ContentLength;
while (line != null)
{
result.Append(line);
result.Append( "\n ");
line = reader.ReadLine();
}
// to remove the trailing '\n '
result.Remove(result.ToString().LastIndexOf( "\n "), 1);
reader.Close();
repsonse.Close();
return result.ToString().Split('\n');
//return fileLength;
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
downloadFiles = null;
return downloadFiles;
}
}
/*<summary>
* 判断文件是否存在
* </summary>
* <param name="fileName">FTP文件地址</param>
*/
public Boolean isFile(string fileName)
{
FileInfo fileinfo = new FileInfo(fileName);
string[] pathList = this.getFtpList(webUri);
for (int i = 0; i < pathList.Length; i++)
{
string filell = pathList[i].ToString().Trim();
if (pathList[i].ToString().Trim() == fileName.Trim())
{
return true;
}
}
return false;
}
/*<summary>
* 上传文件
* </summary>
* <param name="fileName">文件地址</param>
*/
public void Upload(object filename/*, BackgroundWorker worker, DoWorkEventArgs e*/)
{
// 缓冲大小设置为200kb
int buffLength = 204800;
//string filename = @"F:\Xunlei\Install_WLMessenger.zip";
FileInfo fileInfo = new FileInfo(filename.ToString());
if (isFile(filename.ToString()))
{
byte[] buff = new byte[buffLength];
int contentLen;
reqFtp = (FtpWebRequest)FtpWebRequest.Create(new Uri(webUri + fileInfo.Name));
reqFtp.Credentials = new NetworkCredential(uid, password);
reqFtp.Method = WebRequestMethods.Ftp.AppendFile;
reqFtp.Timeout = -1;
// 打开一个文件流 () 去读上传的文件
FileStream fs = fileInfo.OpenRead();
try
{
// 把上传的文件写入流
Stream strm = reqFtp.GetRequestStream();
// 每次读文件流的2kb
contentLen = fs.Read(buff, 0, buffLength);
// 流内容没有结束
while (contentLen != 0)
{
// 把内容从file stream 写入 upload stream
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
}
// 关闭两个流
strm.Close();
fs.Close();
this.success = true;
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message, "Upload Error");
}
finally
{
System.Windows.Forms.MessageBox.Show("AppendFile success!");
}
}
else
{
reqFtp = (FtpWebRequest)FtpWebRequest.Create(new Uri(webUri + fileInfo.Name));
reqFtp.Credentials = new NetworkCredential(uid, password);
reqFtp.Method = WebRequestMethods.Ftp.UploadFile;
reqFtp.Timeout = -1;
reqFtp.ContentLength = fileInfo.Length;
byte[] buff = new byte[buffLength];
int contentLen;
// 打开一个文件流 () 去读上传的文件
FileStream fs = fileInfo.OpenRead();
try
{
// 把上传的文件写入流
Stream strm = reqFtp.GetRequestStream();
// 每次读文件流的2kb
contentLen = fs.Read(buff, 0, buffLength);
// 流内容没有结束
while (contentLen != 0)
{
// 把内容从file stream 写入 upload stream
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
}
// 关闭两个流
strm.Close();
fs.Close();
this.success = true;
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message, "Upload Error");
}
finally
{
System.Windows.Forms.MessageBox.Show("File upLoad success!");
}
}
}
}
}
还有怎么才能知道线程已经完成！
