上传文件到服务器代码,CSharp代码库,德仔网

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【CSharp】上传文件到服务器
作者:艳青 / 发布于2014/12/2/ 1341

	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&hellip;&hellip;！";
	 }
	 #endregion
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