WebService代码：
/// /// 上传文件 /// /// 文件的byte[] /// 上传文件的路径 /// 上传文件名字 /// [WebMethod] public bool UploadFile(byte[] fs, string path, string fileName) { bool flag = false; try { //获取上传案例图片路径 path = Server.MapPath(path); if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } //定义并实例化一个内存流，以存放提交上来的字节数组。 MemoryStream m = new MemoryStream(fs); //定义实际文件对象，保存上载的文件。 FileStream f = new FileStream(path + "\" + fileName, FileMode.Create); //把内内存里的数据写入物理文件 m.WriteTo(f); m.Close(); f.Close(); f = null; m = null; flag = true; } catch (Exception ex) { flag = false; } return flag; }
[WebMethod(Description = "下载服务器站点文件，传递文件相对路径")] public byte[] DownloadFile(string strFilePath, string path) { FileStream fs = null; string CurrentUploadFolderPath = HttpContext.Current.Server.MapPath(path);
string CurrentUploadFilePath = CurrentUploadFolderPath + "\" + strFilePath; if (File.Exists(CurrentUploadFilePath)) { try { ///打开现有文件以进行读取。 fs = File.OpenRead(CurrentUploadFilePath); int b1; System.IO.MemoryStream tempStream = new System.IO.MemoryStream(); while ((b1 = fs.ReadByte()) != -1) { tempStream.WriteByte(((byte)b1)); } return tempStream.ToArray(); } catch (Exception ex) { return new byte[0]; } finally { fs.Close(); } } else { return new byte[0]; }
客户端代码：
/// /// 上传图片附件 /// /// private bool UploadImage() { bool flag = true; string path = @"C:\Documents and Settings\Administrator\My Documents\My Pictures\10121312156cf4a761c504fe69.jpg";//本地路径 byte[] bytes = GetBytesByPath(path);//获取文件byte[] string uploadPath = "image";//上传服务器文件夹路径 string fileName = "img18.jpg";//文件名称 try { localhost.Service s = new WindowsFormsApplication1.localhost.Service(); if (s.UploadFile(bytes, uploadPath, fileName)) { flag = true; } else { flag = false; } } catch { flag = false; } return flag; } /// /// 根据文件的路径获取图片的byte[] /// /// /// public static byte[] GetBytesByPath(string path) { FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read); BinaryReader br = new BinaryReader(fs); byte[] bytes = br.ReadBytes((int)fs.Length); fs.Flush(); fs.Close(); return bytes; }
private void DownFile() { localhost.Service s = new WindowsFormsApplication1.localhost.Service(); byte[] bs = s.DownloadFile("img18.jpg","image"); FileStream stream=new FileStream(@"C:\Documents and Settings\Administrator\My Documents\My Pictures\18.jpg", FileMode.CreateNew); stream.Write(bs,0,bs.Length); stream.Flush(); stream.Close(); }
原文地址：https://www.cnblogs.com/qiu18359243869/p/10855222.html