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- using SiwiFms.Helper;
- using System;
- using System.IO;
- using System.Net;
- using System.Windows.Forms;
- namespace Siwi.Helper
- {
- public class UpDownLoadFile
- {
- /// <summary>
- /// WebClient上传文件至服务器(不带进度条)
- /// </summary>
- /// <param name="fileNameFullPath">要上传的文件(全路径格式)</param>
- /// <param name="strUrlDirPath">Web服务器文件夹路径</param>
- /// <returns>True/False是否上传成功</returns>
- public bool UpLoadFile(string fileNameFullPath, string strUrlDirPath)
- {
- //得到要上传的文件文件名
- string fileName = fileNameFullPath.Substring(fileNameFullPath.LastIndexOf("//") + 1);
- //得到文件扩展名
- string fileExtension = Path.GetExtension(fileNameFullPath);
- //新文件名
- string NewFileName = GuidHelper.NewGuid + fileExtension;
- if (strUrlDirPath.EndsWith("/") == false)
- {
- strUrlDirPath = strUrlDirPath + "/";
- }
- //保存在服务器上时,将文件改名(示业务需要)
- strUrlDirPath = strUrlDirPath + NewFileName;
- // 创建WebClient实例
- var myWebClient = new WebClient();
- myWebClient.Credentials = CredentialCache.DefaultCredentials;
- // 将要上传的文件打开读进文件流
- var myFileStream = new FileStream(fileNameFullPath, FileMode.Open, FileAccess.Read);
- var myBinaryReader = new BinaryReader(myFileStream);
- try
- {
- byte[] postArray = myBinaryReader.ReadBytes((int)myFileStream.Length);
- //打开远程Web地址,将文件流写入
- Stream postStream = myWebClient.OpenWrite(strUrlDirPath, "PUT");
- if (postStream.CanWrite)
- {
- postStream.Write(postArray, 0, postArray.Length);
- }
- postStream.Close(); //关闭流
- return true;
- }
- catch
- {
- //MessageBox.Show("文件上传失败:" + exp.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
- return false;
- }
- }
- /// <summary>
- /// 下载服务器文件至客户端(不带进度条)
- /// </summary>
- /// <param name="strUrlFilePath">要下载的Web服务器上的文件地址(全路径 如:http://www.abc.com/test.rar)</param>
- /// <param name="Dir">下载到的目录(存放位置,机地机器文件夹)</param>
- /// <returns>True/False是否上传成功</returns>
- public bool DownLoadFile(string strUrlFilePath, string strLocalDirPath)
- {
- // 创建WebClient实例
- var client = new WebClient();
- //被下载的文件名
- string fileName = strUrlFilePath.Substring(strUrlFilePath.LastIndexOf("/"));
- //另存为的绝对路径+文件名
- string Path = strLocalDirPath + fileName;
- try
- {
- WebRequest myWebRequest = WebRequest.Create(strUrlFilePath);
- }
- catch (Exception exp)
- {
- MessageBox.Show("文件下载失败:" + exp.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
- }
- try
- {
- client.DownloadFile(strUrlFilePath, Path);
- return true;
- }
- catch (Exception exp)
- {
- MessageBox.Show("文件下载失败:" + exp.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
- return false;
- }
- }
- /// <summary>
- /// 下载带进度条代码(普通进度条)
- /// </summary>
- /// <param name="URL">网址</param>
- /// <param name="Filename">文件名</param>
- /// <param name="Prog">普通进度条ProgressBar</param>
- /// <returns>True/False是否下载成功</returns>
- public bool DownLoadFile(string URL, string Filename, ProgressBar Prog)
- {
- try
- {
- var Myrq = (HttpWebRequest)WebRequest.Create(URL); //从URL地址得到一个WEB请求
- var myrp = (HttpWebResponse)Myrq.GetResponse(); //从WEB请求得到WEB响应
- long totalBytes = myrp.ContentLength; //从WEB响应得到总字节数
- Prog.Maximum = (int)totalBytes; //从总字节数得到进度条的最大值
- Stream st = myrp.GetResponseStream(); //从WEB请求创建流(读)
- Stream so = new FileStream(Filename, FileMode.Create); //创建文件流(写)
- long totalDownloadedByte = 0; //下载文件大小
- var by = new byte[1024];
- int osize = st.Read(by, 0, @by.Length); //读流
- while (osize > 0)
- {
- totalDownloadedByte = osize + totalDownloadedByte; //更新文件大小
- Application.DoEvents();
- so.Write(by, 0, osize); //写流
- Prog.Value = (int)totalDownloadedByte; //更新进度条
- osize = st.Read(by, 0, @by.Length); //读流
- }
- so.Close(); //关闭流
- st.Close(); //关闭流
- return true;
- }
- catch
- {
- return false;
- }
- }
- /// <summary>
- /// 下载带进度条代码(状态栏式进度条)
- /// </summary>
- /// <param name="URL">网址</param>
- /// <param name="Filename">文件名</param>
- /// <param name="Prog">状态栏式进度条ToolStripProgressBar</param>
- /// <returns>True/False是否下载成功</returns>
- public bool DownLoadFile(string URL, string Filename, ToolStripProgressBar Prog)
- {
- try
- {
- var Myrq = (HttpWebRequest)WebRequest.Create(URL); //从URL地址得到一个WEB请求
- var myrp = (HttpWebResponse)Myrq.GetResponse(); //从WEB请求得到WEB响应
- long totalBytes = myrp.ContentLength; //从WEB响应得到总字节数
- Prog.Maximum = (int)totalBytes; //从总字节数得到进度条的最大值
- Stream st = myrp.GetResponseStream(); //从WEB请求创建流(读)
- Stream so = new FileStream(Filename, FileMode.Create); //创建文件流(写)
- long totalDownloadedByte = 0; //下载文件大小
- var by = new byte[1024];
- int osize = st.Read(by, 0, @by.Length); //读流
- while (osize > 0)
- {
- totalDownloadedByte = osize + totalDownloadedByte; //更新文件大小
- Application.DoEvents();
- so.Write(by, 0, osize); //写流
- Prog.Value = (int)totalDownloadedByte; //更新进度条
- osize = st.Read(by, 0, @by.Length); //读流
- }
- so.Close(); //关闭流
- st.Close(); //关闭流
- return true;
- }
- catch
- {
- return false;
- }
- }
- }
- }
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