public static string UploadImage(System.Web.UI.HtmlControls.HtmlInputFile file, string basePath) { jsHelper js = new jsHelper(); if (file.PostedFile.ContentLength > 1024 * 1024) { jsHelper.Alert("上传文件不得大于1M"); return(""); } if (!file.PostedFile.FileName.ToLower().EndsWith(".jpg")) { jsHelper.Alert("只能上传jpg图片"); return(""); } string tempPath = string.Format("{0}/{1}/{2}", DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day); tempPath = string.Format("{0}/{1}", basePath.TrimEnd(new char[] { '/' }), tempPath); string tempFile = string.Format("{0}.jpg", BitConverter.ToUInt32(Guid.NewGuid().ToByteArray(), 0).ToString()); string fullPath = HttpContext.Current.Server.MapPath(tempPath); CDirectory.Create(fullPath); file.PostedFile.SaveAs(Path.Combine(fullPath, tempFile)); string sReturnUrl = string.Format("{0}/{1}", tempPath, tempFile); return(sReturnUrl); }
public Dictionary <string, string> GeneratePath() { if (string.IsNullOrEmpty(WebPath.ImagePath)) { throw new Exception("配置文件中找不到ImagePath"); } lock (_dicImgTag) { _dicImgTag.Clear(); string s = string.Empty; string copyto = string.Empty; string Imagedir = string.Empty; MD5 m = MD5CryptoServiceProvider.Create(); foreach (string encodechar in EncodeHTML.EncodeChars) { s = DateTime.Now.Ticks.ToString(); s = s.Insert(DateTime.Now.Millisecond % s.Length, encodechar); s = GetString(m.ComputeHash(Encoding.UTF8.GetBytes(s))); //Imagedir = ImgHelp.GetImageDirectory(); copyto = string.Format("{0}/enc{1}{2}.gif", WebPath.ImagePath, Imagedir, s); CDirectory.Create(copyto.Substring(0, copyto.LastIndexOfAny(new char[] { '\\', '/' }))); File.Copy(string.Format("{0}{1}", WebPath.ImagePath, dicOriginalPath[encodechar]), copyto); _dicImgTag.Add(encodechar, string.Format("<img src=\"http://img.39.net/enc/{0}{1}.gif\"/>", Imagedir, s)); } m.Clear(); } return(_dicImgTag); }
/// <summary> /// 保存图片 /// </summary> /// <param name="inputStream">输入数据流</param> /// <param name="sRootDirectory">保存的根目录(不要包括根据时间自动生成的目录)</param> /// <param name="sExtension">扩展名</param> /// <returns>返回根据时间自动生成的文件路径</returns> public static string SaveImage(Stream inputStream, string sRootDirectory, string sExtension) { sRootDirectory = sRootDirectory.TrimEnd('/', '\\'); string sReturn = GetImageDirectory() + CreateFileName(sExtension); string path = sRootDirectory + sReturn; CDirectory.Create(Path.GetDirectoryName(path)); using (FileStream fStream = File.Create(path)) { int size = 2048; byte[] data = new byte[2048]; while (true) { size = inputStream.Read(data, 0, data.Length); if (size > 0) { fStream.Write(data, 0, size); } else { break; } } } return(sReturn); }
public static string UploadFile(System.Web.UI.HtmlControls.HtmlInputFile file, string basePath) { if (file.PostedFile.ContentLength > 1024 * 1024) { jsHelper.Alert("上传文件不得大于1M"); return(""); } if (!file.PostedFile.FileName.ToLower().EndsWith(".jpg")) { jsHelper.Alert("只能上传jpg图片"); return(""); } string tempPath = string.Format("{0}/{1}/{2}", DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day); string tempFile = string.Format("{0}.jpg", BitConverter.ToUInt32(Guid.NewGuid().ToByteArray(), 0).ToString()); CDirectory.Create(Path.Combine(basePath, tempPath)); file.PostedFile.SaveAs(Path.Combine(Path.Combine(basePath, tempPath), tempFile)); string sReturnUrl = string.Format("http://bbsimg.39.net/{0}/{1}", tempPath, tempFile); return(sReturnUrl); }
public static void SaveImage(Stream inputStream, string sFilePath) { CDirectory.Create(Path.GetDirectoryName(sFilePath)); using (FileStream fStream = File.Create(sFilePath)) { int size = 2048; byte[] data = new byte[2048]; while (true) { size = inputStream.Read(data, 0, data.Length); if (size > 0) { fStream.Write(data, 0, size); } else { break; } } } }
/// <summary> /// 保存缩略图片 /// </summary> /// <param name="inputStream">输入数据流</param> /// <param name="sRootDirectory">保存的根目录(不要包括根据时间自动生成的目录)</param> /// <param name="sExtension">扩展名</param> /// <param name="iWidth">图片宽度(缩略后)</param> /// <param name="iHeight">图片高度(缩略后)</param> /// <returns></returns> public static string SaveThumbnailImage(Stream inputStream, string sRootDirectory, string sExtension, int iWidth, int iHeight) { Image image = Image.FromStream(inputStream); image = image.GetThumbnailImage(iWidth, iHeight, null, System.IntPtr.Zero); MemoryStream newStream = new MemoryStream(); image.Save(newStream, GetImageType(sExtension)); newStream.Seek(0, SeekOrigin.Begin); //保存 sRootDirectory = sRootDirectory.TrimEnd('/', '\\'); string sReturn = GetImageDirectory() + "T" + CreateFileName(sExtension); string path = sRootDirectory + sReturn; CDirectory.Create(Path.GetDirectoryName(path)); using (FileStream fStream = File.Create(path)) { int size = 2048; byte[] data = new byte[2048]; while (true) { size = newStream.Read(data, 0, data.Length); if (size > 0) { fStream.Write(data, 0, size); } else { break; } } } return(sReturn); }
public static void Write(FileEntity file) { CDirectory.Create(file.FilePath); Write(file.FilePath + "\\" + file.FileName, file.FileContent); }