上传文件到服务器

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Data.SqlClient;
using System.Drawing.Imaging;
using System.Net;
using System.IO;


using System.Runtime.InteropServices;
using System.Net.Sockets;
using Microsoft.Win32;

    #region 上传图片到服务器
        private void button3_Click(object sender, EventArgs e)
        {
            // 需要注意的是：txtServerPath文件夹有匿名可写的权限。
            // 可以自己定义新文件名字
            if (txtFileName.Text.Trim() == "" || txtServerPath.Text.Trim() == "")
            {
                MessageBox.Show("请输入你要上载的文件名字！", "错误：", MessageBoxButtons.OK,
                                                                 MessageBoxIcon.Information);
            }
            else
            {
                /// 得到文件名，文件扩展名字，服务器路径
                string fileNamePath = txtFileName.Text.Trim();
                string uriString = txtServerPath.Text.Trim();
                string fileName = fileNamePath.Substring(fileNamePath.LastIndexOf("\\") + 1);
                string fileNameExt = fileName.Substring(fileName.LastIndexOf(".") + 1);
                if (uriString.EndsWith("/") == false) uriString = uriString + "/";

                uriString = uriString + fileName;
                /// 创建WebClient实例
                WebClient myWebClient = new WebClient();
                myWebClient.Credentials = CredentialCache.DefaultCredentials;

                // 要上传的文件
                FileStream fs = new FileStream(this.txtFileName.Text, FileMode.Open, FileAccess.Read);
                //FileStream fs = OpenFile();
                BinaryReader r = new BinaryReader(fs);
                try
                {
                    //使用UploadFile方法可以用下面的格式
                    //myWebClient.UploadFile(uriString,"PUT",fileNamePath);
                    byte[] postArray = r.ReadBytes((int)fs.Length);
                    Stream postStream = myWebClient.OpenWrite(uriString, "PUT");
                    if (postStream.CanWrite)
                    {
                        postStream.Write(postArray, 0, postArray.Length);
                        label1.Text = fileName + "上传成功！";
                    }
                    else
                    {
                        label1.Text = "文件目前不可写！";
                    }
                    postStream.Close();
                    linkLabel1.Text = "查看上载的文件";
                    for (int i = linkLabel1.Links.Count - 1; i > -1; i--)
                        linkLabel1.Links.Remove(linkLabel1.Links[i]);
                    linkLabel1.Links.Add(0, linkLabel1.Text.Length, uriString);
                }
                catch (WebException errMsg)
                {
                    label1.Text = "上传失败：" + errMsg.Message;
                }
            }
        }

        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            this.WindowState = FormWindowState.Minimized;
            this.linkLabel1.Links[linkLabel1.Links.IndexOf(e.Link)].Visited = true;
            string target = e.Link.LinkData as string;
            if (null != target)
            {
                System.Diagnostics.Process.Start(target);
            }
            else
            {
                MessageBox.Show("请用浏览器访问：" + target);
            }
        }

        private void Form1_Resize(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Maximized) this.WindowState = FormWindowState.Normal;
        }

        private void button3_MouseDown(object sender, MouseEventArgs e)
        {
            if (txtFileName.Text.Trim() != "" && txtServerPath.Text.Trim() != "")
                label1.Text = "正在上传文件，请稍侯……！";
        }
        #endregion

 

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/anya/archive/2009/06/15/4270508.aspx