aspose授权亲测可用配套代码
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支持excel,word,ppt,pdf
using Aspose.Cells; using Aspose.Words.Saving; using ESBasic; using OMCS.Engine.WhiteBoard; using System; using System.Collections.Generic; using System.Drawing; using System.Drawing.Imaging; using System.IO; using System.Linq; using System.Threading; using System.Web; using System.Web.UI; using SMES.LocaleManagerWeb.DoucmentManager; using ImageSaveOptions = Aspose.Words.Saving.ImageSaveOptions; using SaveFormat = Aspose.Words.SaveFormat; namespace SMES.LocaleManagerWeb { public partial class Upload : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { //new Aspose.Words.License().SetLicense(AsposeLicenseHelper.LStream); //new Aspose.Cells.License().SetLicense(AsposeLicenseHelper.LStream); //new Aspose.Slides.License().SetLicense(AsposeLicenseHelper.LStream); //new Aspose.Pdf.License().SetLicense(AsposeLicenseHelper.LStream); string documentExts = "pdf|doc|docx|xlsx|xls|ppt|pptx"; string imageExts = "jpeg|png|jpg|bmp"; string otherExts = "pdf|xls|xlsx|ppt|pptx"; HttpFileCollection files = Request.Files;//这里只能用<input type="file" />才能有效果,因为服务器控件是HttpInputFile类型 FileUpModel model = new FileUpModel(); if (files.Count == 0 || files[0].InputStream.Length == 0) { model = new FileUpModel() { State = 0, Error = "没有找到文件" }; Response.Write(Newtonsoft.Json.JsonConvert.SerializeObject(model)); //Response.End(); return; } try { HttpPostedFile file = files[0]; model.Extension = GetExtension(file.FileName); if ((documentExts + "|" + imageExts + "|" + otherExts).IndexOf(model.Extension.ToLower()) == -1) { model = new FileUpModel() { State = 0, Error = "不允许上传" + model.Extension + "类型文件" }; Response.Write(Newtonsoft.Json.JsonConvert.SerializeObject(model)); //Response.End(); return; } model.Size = file.ContentLength / 1024; DateTime nowtime = DateTime.Now; string dic = "/UpLoadFile/" + nowtime.ToString("yy/MM/dd/"); string newFilename = "/UpLoadFile/" + nowtime.ToString("yy/MM/dd/") + Guid.NewGuid().ToString("N") + "." + model.Extension; string filepath = Server.MapPath("~" + newFilename); if (!System.IO.Directory.Exists(Server.MapPath(dic))) { System.IO.Directory.CreateDirectory(Server.MapPath(dic)); } file.SaveAs(filepath); //将文档装换为图图片 if (documentExts.IndexOf(model.Extension.ToLower()) != -1) { //图片目录 string imagedic = newFilename.Replace("." + model.Extension, ""); IImageConverterFactory f = new ImageConverterFactory(); IImageConverter imageConverter = f.CreateImageConverter("." + model.Extension); string opath = Server.MapPath("~" + newFilename); string imgpath = Server.MapPath("~" + imagedic + "/"); Thread thd = new Thread(new ThreadStart(() => { imageConverter.ConvertToImage(opath, imgpath); })); thd.Start(); //DocumentToImage(newFilename, imagedic); model.ImagePath = imagedic; } model.State = 1; model.Path = newFilename; Response.Write(Newtonsoft.Json.JsonConvert.SerializeObject(model)); } catch (Exception ee) { model = new FileUpModel() { State = 0, Error = ee.Message }; Response.Write(Newtonsoft.Json.JsonConvert.SerializeObject(model)); Response.End(); } } private void DocumentToImage(string filename, string imagedic) { Thread thd = new Thread(new ThreadStart(() => { ConvertWordToImage(Server.MapPath("~" + filename), Server.MapPath("~" + imagedic + "/"), "A", 0, 0, ImageFormat.Png, 0); })); thd.Start(); } private string GetExtension(string filename) { if (string.IsNullOrEmpty(filename)) return ""; string[] strs = filename.Split(‘.‘); if (strs.Length > 0) { return strs[strs.Length - 1]; } else { return ""; } } public void ConvertWordToImage(string wordInputPath, string imageOutputPath, string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, float resolution) { try { AsposeLicenseHelper.SetWordsLicense(); // open word file Aspose.Words.Document doc = new Aspose.Words.Document(wordInputPath); // validate parameter if (doc == null) { throw new Exception("Word文件无效或者Word文件被加密!"); } if (imageOutputPath.Trim().Length == 0) { imageOutputPath = Path.GetDirectoryName(wordInputPath); } if (!Directory.Exists(imageOutputPath)) { Directory.CreateDirectory(imageOutputPath); } if (imageName.Trim().Length == 0) { imageName = Path.GetFileNameWithoutExtension(wordInputPath); } if (startPageNum <= 0) { startPageNum = 1; } if (endPageNum > doc.PageCount || endPageNum <= 0) { endPageNum = doc.PageCount; } if (startPageNum > endPageNum) { int tempPageNum = startPageNum; startPageNum = endPageNum; endPageNum = startPageNum; } if (imageFormat == null) { imageFormat = ImageFormat.Png; } if (resolution <= 0) { resolution = 128; } var imageSaveOptions = new ImageSaveOptions(GetSaveFormat(imageFormat)) { Resolution = resolution }; // start to convert each page for (int i = startPageNum; i <= endPageNum; i++) { imageSaveOptions.PageIndex = i - 1; doc.Save(Path.Combine(imageOutputPath, imageName) + "_" + i.ToString() + "." + imageFormat.ToString(), imageSaveOptions); } } catch (Exception ex) { } } private SaveFormat GetSaveFormat(ImageFormat imageFormat) { SaveFormat sf = SaveFormat.Unknown; if (imageFormat.Equals(ImageFormat.Png)) sf = SaveFormat.Png; else if (imageFormat.Equals(ImageFormat.Jpeg)) sf = SaveFormat.Jpeg; else if (imageFormat.Equals(ImageFormat.Tiff)) sf = SaveFormat.Tiff; else if (imageFormat.Equals(ImageFormat.Bmp)) sf = SaveFormat.Bmp; else sf = SaveFormat.Unknown; return sf; } } public class FileUpModel { /// <summary> /// 状态 1成功 0失败 /// </summary> public int State { get; set; } /// <summary> /// 错误信息 /// </summary> public string Error { get; set; } /// <summary> /// 文件大小 /// </summary> public decimal Size { get; set; } /// <summary> /// 服务端路径 /// </summary> public string Path { get; set; } public string ImagePath { get; set; } public string Extension { get; set; } } #region 图片转换器工厂 -> 将被注入到OMCS的多媒体管理器IMultimediaManager的ImageConverterFactory属性 /// <summary> /// 图片转换器工厂。 /// </summary> public class ImageConverterFactory : IImageConverterFactory { public IImageConverter CreateImageConverter(string extendName) { if (extendName == ".doc" || extendName == ".docx") { return new Word2ImageConverter(); } if (extendName == ".pdf") { return new Pdf2ImageConverter(); } if (extendName == ".ppt" || extendName == ".pptx") { return new Ppt2ImageConverter(); } if (extendName == ".xls" || extendName == ".xlsx") { return new Xls2ImageConverter(); } return null; } public bool Support(string extendName) { return extendName == ".doc" || extendName == ".docx" || extendName == ".pdf" || extendName == ".ppt" || extendName == ".pptx" || extendName == ".rar"; } } #endregion #region 将word文档转换为图片 public class Word2ImageConverter : IImageConverter { private bool cancelled = false; public event CbGeneric<int, int> ProgressChanged; public event CbGeneric ConvertSucceed; public event CbGeneric<string> ConvertFailed; public void Cancel() { if (this.cancelled) { return; } this.cancelled = true; } public void ConvertToImage(string originFilePath, string imageOutputDirPath) { this.cancelled = false; ConvertToImage(originFilePath, imageOutputDirPath, 0, 0, null, 200); } /// <summary> /// 将Word文档转换为图片的方法 /// </summary> /// <param name="wordInputPath">Word文件路径</param> /// <param name="imageOutputDirPath">图片输出路径,如果为空,默认值为Word所在路径</param> /// <param name="startPageNum">从PDF文档的第几页开始转换,如果为0,默认值为1</param> /// <param name="endPageNum">从PDF文档的第几页开始停止转换,如果为0,默认值为Word总页数</param> /// <param name="imageFormat">设置所需图片格式,如果为null,默认格式为PNG</param> /// <param name="resolution">设置图片的像素,数字越大越清晰,如果为0,默认值为128,建议最大值不要超过1024</param> private void ConvertToImage(string wordInputPath, string imageOutputDirPath, int startPageNum, int endPageNum, ImageFormat imageFormat, int resolution) { try { AsposeLicenseHelper.SetWordsLicense(); Aspose.Words.Document doc = new Aspose.Words.Document(wordInputPath); if (doc == null) { throw new Exception("Word文件无效或者Word文件被加密!"); } if (imageOutputDirPath.Trim().Length == 0) { imageOutputDirPath = Path.GetDirectoryName(wordInputPath); } if (!Directory.Exists(imageOutputDirPath)) { Directory.CreateDirectory(imageOutputDirPath); } if (startPageNum <= 0) { startPageNum = 1; } if (endPageNum > doc.PageCount || endPageNum <= 0) { endPageNum = doc.PageCount; } if (startPageNum > endPageNum) { int tempPageNum = startPageNum; startPageNum = endPageNum; endPageNum = startPageNum; } if (imageFormat == null) { imageFormat = ImageFormat.Png; } if (resolution <= 0) { resolution = 128; } string imageName = Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(wordInputPath)); //string imageName = Path.GetFileNameWithoutExtension(wordInputPath); Aspose.Words.Saving.ImageSaveOptions imageSaveOptions = new Aspose.Words.Saving.ImageSaveOptions(Aspose.Words.SaveFormat.Png); imageSaveOptions.Resolution = resolution; for (int i = startPageNum; i <= endPageNum; i++) { if (this.cancelled) { break; } MemoryStream stream = new MemoryStream(); imageSaveOptions.PageIndex = i - 1; //string imgPath = Path.Combine(imageOutputDirPath, imageName) + "_" + i.ToString("000") + "." + imageFormat.ToString(); string imgPath = Path.Combine(imageOutputDirPath, "A") + "_" + i + ".Png"; doc.Save(stream, imageSaveOptions); System.Drawing.Image img = System.Drawing.Image.FromStream(stream); Bitmap bm = ESBasic.Helpers.ImageHelper.Zoom(img, 0.6f); bm.Save(imgPath, imageFormat); img.Dispose(); stream.Dispose(); bm.Dispose(); System.Threading.Thread.Sleep(200); if (this.ProgressChanged != null) { this.ProgressChanged(i - 1, endPageNum); } } if (this.cancelled) { return; } if (this.ConvertSucceed != null) { this.ConvertSucceed(); } } catch (Exception ex) { if (this.ConvertFailed != null) { this.ConvertFailed(ex.Message); } } } } #endregion #region 将pdf文档转换为图片 public class Pdf2ImageConverter : IImageConverter { private bool cancelled = false; public event CbGeneric<int, int> ProgressChanged; public event CbGeneric ConvertSucceed; public event CbGeneric<string> ConvertFailed; public void Cancel() { if (this.cancelled) { return; } this.cancelled = true; } public void ConvertToImage(string originFilePath, string imageOutputDirPath) { this.cancelled = false; ConvertToImage(originFilePath, imageOutputDirPath, 0, 0, 200); } /// <summary> /// 将pdf文档转换为图片的方法 /// </summary> /// <param name="originFilePath">pdf文件路径</param> /// <param name="imageOutputDirPath">图片输出路径,如果为空,默认值为pdf所在路径</param> /// <param name="startPageNum">从PDF文档的第几页开始转换,如果为0,默认值为1</param> /// <param name="endPageNum">从PDF文档的第几页开始停止转换,如果为0,默认值为pdf总页数</param> /// <param name="resolution">设置图片的像素,数字越大越清晰,如果为0,默认值为128,建议最大值不要超过1024</param> private void ConvertToImage(string originFilePath, string imageOutputDirPath, int startPageNum, int endPageNum, int resolution) { try { AsposeLicenseHelper.SetPdfLicense(); Aspose.Pdf.Document doc = new Aspose.Pdf.Document(originFilePath); if (doc == null) { throw new Exception("pdf文件无效或者pdf文件被加密!"); } if (imageOutputDirPath.Trim().Length == 0) { imageOutputDirPath = Path.GetDirectoryName(originFilePath); } if (!Directory.Exists(imageOutputDirPath)) { Directory.CreateDirectory(imageOutputDirPath); } if (startPageNum <= 0) { startPageNum = 1; } if (endPageNum > doc.Pages.Count || endPageNum <= 0) { endPageNum = doc.Pages.Count; } if (startPageNum > endPageNum) { int tempPageNum = startPageNum; startPageNum = endPageNum; endPageNum = startPageNum; } if (resolution <= 0) { resolution = 128; } string imageNamePrefix = Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(originFilePath)); for (int i = startPageNum; i <= endPageNum; i++) { if (this.cancelled) { break; } MemoryStream stream = new MemoryStream(); //string imgPath = Path.Combine(imageOutputDirPath, imageNamePrefix) + "_" + i.ToString("000") + ".Png"; string imgPath = Path.Combine(imageOutputDirPath, "A") + "_" + i + ".Png"; Aspose.Pdf.Devices.Resolution reso = new Aspose.Pdf.Devices.Resolution(resolution); Aspose.Pdf.Devices.JpegDevice jpegDevice = new Aspose.Pdf.Devices.JpegDevice(reso, 100); jpegDevice.Process(doc.Pages[i], stream); Image img = Image.FromStream(stream); Bitmap bm = ESBasic.Helpers.ImageHelper.Zoom(img, 0.6f); bm.Save(imgPath, ImageFormat.Jpeg); img.Dispose(); stream.Dispose(); bm.Dispose(); System.Threading.Thread.Sleep(200); if (this.ProgressChanged != null) { this.ProgressChanged(i - 1, endPageNum); } } if (this.cancelled) { return; } if (this.ConvertSucceed != null) { this.ConvertSucceed(); } } catch (Exception ex) { if (this.ConvertFailed != null) { this.ConvertFailed(ex.Message); } } } } #endregion #region 将ppt文档转换为图片 public class Ppt2ImageConverter : IImageConverter { private Pdf2ImageConverter pdf2ImageConverter; public event CbGeneric<int, int> ProgressChanged; public event CbGeneric ConvertSucceed; public event CbGeneric<string> ConvertFailed; public void Cancel() { if (this.pdf2ImageConverter != null) { this.pdf2ImageConverter.Cancel(); } } public void ConvertToImage(string originFilePath, string imageOutputDirPath) { ConvertToImage(originFilePath, imageOutputDirPath, 0, 0, 200); } /// <summary> /// 将pdf文档转换为图片的方法 /// </summary> /// <param name="originFilePath">ppt文件路径</param> /// <param name="imageOutputDirPath">图片输出路径,如果为空,默认值为pdf所在路径</param> /// <param name="startPageNum">从PDF文档的第几页开始转换,如果为0,默认值为1</param> /// <param name="endPageNum">从PDF文档的第几页开始停止转换,如果为0,默认值为pdf总页数</param> /// <param name="resolution">设置图片的像素,数字越大越清晰,如果为0,默认值为128,建议最大值不要超过1024</param> private void ConvertToImage(string originFilePath, string imageOutputDirPath, int startPageNum, int endPageNum, int resolution) { try { AsposeLicenseHelper.SetSlidesLicense(); Aspose.Slides.Presentation doc = new Aspose.Slides.Presentation(originFilePath); if (doc == null) { throw new Exception("ppt文件无效或者ppt文件被加密!"); } if (imageOutputDirPath.Trim().Length == 0) { imageOutputDirPath = Path.GetDirectoryName(originFilePath); } if (!Directory.Exists(imageOutputDirPath)) { Directory.CreateDirectory(imageOutputDirPath); } if (startPageNum <= 0) { startPageNum = 1; } if (endPageNum > doc.Slides.Count || endPageNum <= 0) { endPageNum = doc.Slides.Count; } if (startPageNum > endPageNum) { int tempPageNum = startPageNum; startPageNum = endPageNum; endPageNum = startPageNum; } if (resolution <= 0) { resolution = 128; } //先将ppt转换为pdf临时文件 string tmpPdfPath = originFilePath + ".pdf"; doc.Save(tmpPdfPath, Aspose.Slides.Export.SaveFormat.Pdf); //再将pdf转换为图片 Pdf2ImageConverter converter = new Pdf2ImageConverter(); converter.ConvertFailed += new CbGeneric<string>(converter_ConvertFailed); converter.ConvertSucceed += new CbGeneric(converter_ConvertSucceed); converter.ProgressChanged += new CbGeneric<int, int>(converter_ProgressChanged); converter.ConvertToImage(tmpPdfPath, imageOutputDirPath); //删除pdf临时文件 File.Delete(tmpPdfPath); if (this.ConvertSucceed != null) { this.ConvertSucceed(); } } catch (Exception ex) { if (this.ConvertFailed != null) { this.ConvertFailed(ex.Message); } } this.pdf2ImageConverter = null; } void converter_ProgressChanged(int done, int total) { if (this.ProgressChanged != null) { this.ProgressChanged(done, total); } } void converter_ConvertSucceed() { if (this.ConvertSucceed != null) { this.ConvertSucceed(); } } void converter_ConvertFailed(string msg) { if (this.ConvertFailed != null) { this.ConvertFailed(msg); } } } #endregion #region Excel public class Xls2ImageConverter : IImageConverter { private Xls2ImageConverter xls2ImageConverter; public event CbGeneric<int, int> ProgressChanged; public event CbGeneric ConvertSucceed; public event CbGeneric<string> ConvertFailed; public void Cancel() { if (this.xls2ImageConverter != null) { this.xls2ImageConverter.Cancel(); } } public void ConvertToImage(string originFilePath, string imageOutputDirPath) { ConvertToImage(originFilePath, imageOutputDirPath, 0, 0, 200); } private void ConvertToImage(string originFilePath, string imageOutputDirPath, int startPageNum, int endPageNum, int resolution) { try { AsposeLicenseHelper.SetCellsLicense(); Aspose.Cells.Workbook excel = new Workbook(originFilePath); if (excel == null) { throw new Exception("excel文件无效或者excel文件被加密!"); } if (imageOutputDirPath.Trim().Length == 0) { imageOutputDirPath = Path.GetDirectoryName(originFilePath); } if (!Directory.Exists(imageOutputDirPath)) { Directory.CreateDirectory(imageOutputDirPath); } if (startPageNum <= 0) { startPageNum = 1; } if (endPageNum > excel.Worksheets.Count || endPageNum <= 0) { endPageNum = excel.Worksheets.Count; } if (startPageNum > endPageNum) { int tempPageNum = startPageNum; startPageNum = endPageNum; endPageNum = startPageNum; } if (resolution <= 0) { resolution = 128; } //先将excel转换为pdf临时文件 string tmpPdfPath = originFilePath + ".pdf"; excel.Save(tmpPdfPath, Aspose.Cells.SaveFormat.Pdf); //再将pdf转换为图片 Pdf2ImageConverter converter = new Pdf2ImageConverter(); converter.ConvertFailed += new CbGeneric<string>(converter_ConvertFailed); converter.ConvertSucceed += new CbGeneric(converter_ConvertSucceed); converter.ProgressChanged += new CbGeneric<int, int>(converter_ProgressChanged); converter.ConvertToImage(tmpPdfPath, imageOutputDirPath); //删除pdf临时文件 File.Delete(tmpPdfPath); if (this.ConvertSucceed != null) { this.ConvertSucceed(); } } catch (Exception ex) { if (this.ConvertFailed != null) { this.ConvertFailed(ex.Message); } } this.xls2ImageConverter = null; } void converter_ProgressChanged(int done, int total) { if (this.ProgressChanged != null) { this.ProgressChanged(done, total); } } void converter_ConvertSucceed() { if (this.ConvertSucceed != null) { this.ConvertSucceed(); } } void converter_ConvertFailed(string msg) { if (this.ConvertFailed != null) { this.ConvertFailed(msg); } } } #endregion }
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net.Mime; using System.Web; using Aspose.Words; namespace SMES.LocaleManagerWeb.DoucmentManager { public static class AsposeLicenseHelper { public const string Key = "PExpY2Vuc2U+DQogIDxEYXRhPg0KICAgIDxMaWNlbnNlZFRvPkFzcG9zZSBTY290bGFuZCB" + "UZWFtPC9MaWNlbnNlZFRvPg0KICAgIDxFbWFpbFRvPmJpbGx5Lmx1bmRpZUBhc3Bvc2UuY2" + "9tPC9FbWFpbFRvPg0KICAgIDxMaWNlbnNlVHlwZT5EZXZlbG9wZXIgT0VNPC9MaWNlbnNlV" + "HlwZT4NCiAgICA8TGljZW5zZU5vdGU+TGltaXRlZCB0byAxIGRldmVsb3BlciwgdW5saW1p" + "dGVkIHBoeXNpY2FsIGxvY2F0aW9uczwvTGljZW5zZU5vdGU+DQogICAgPE9yZGVySUQ+MTQ" + "wNDA4MDUyMzI0PC9PcmRlcklEPg0KICAgIDxVc2VySUQ+OTQyMzY8L1VzZXJJRD4NCiAgIC" + "A8T0VNPlRoaXMgaXMgYSByZWRpc3RyaWJ1dGFibGUgbGljZW5zZTwvT0VNPg0KICAgIDxQc" + "m9kdWN0cz4NCiAgICAgIDxQcm9kdWN0PkFzcG9zZS5Ub3RhbCBmb3IgLk5FVDwvUHJvZHVj" + "dD4NCiAgICA8L1Byb2R1Y3RzPg0KICAgIDxFZGl0aW9uVHlwZT5FbnRlcnByaXNlPC9FZGl" + "0aW9uVHlwZT4NCiAgICA8U2VyaWFsTnVtYmVyPjlhNTk1NDdjLTQxZjAtNDI4Yi1iYTcyLT" + "djNDM2OGYxNTFkNzwvU2VyaWFsTnVtYmVyPg0KICAgIDxTdWJzY3JpcHRpb25FeHBpcnk+M" + "jAxNTEyMzE8L1N1YnNjcmlwdGlvbkV4cGlyeT4NCiAgICA8TGljZW5zZVZlcnNpb24+My4w" + "PC9MaWNlbnNlVmVyc2lvbj4NCiAgICA8TGljZW5zZUluc3RydWN0aW9ucz5odHRwOi8vd3d" + "3LmFzcG9zZS5jb20vY29ycG9yYXRlL3B1cmNoYXNlL2xpY2Vuc2UtaW5zdHJ1Y3Rpb25zLm" + "FzcHg8L0xpY2Vuc2VJbnN0cnVjdGlvbnM+DQogIDwvRGF0YT4NCiAgPFNpZ25hdHVyZT5GT" + "zNQSHNibGdEdDhGNTlzTVQxbDFhbXlpOXFrMlY2RThkUWtJUDdMZFRKU3hEaWJORUZ1MXpP" + "aW5RYnFGZkt2L3J1dHR2Y3hvUk9rYzF0VWUwRHRPNmNQMVpmNkowVmVtZ1NZOGkvTFpFQ1R" + "Hc3pScUpWUVJaME1vVm5CaHVQQUprNWVsaTdmaFZjRjhoV2QzRTRYUTNMemZtSkN1YWoyTk" + "V0ZVJpNUhyZmc9PC9TaWduYXR1cmU+DQo8L0xpY2Vuc2U+"; public static Stream LStream = (Stream)new MemoryStream(Convert.FromBase64String(Key)); static readonly string LicensePath = AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "\\DoucmentManager\\Aspose.Total.lic"; public static void SetWordsLicense() { var l=new License(); l.SetLicense(LicensePath); } public static void SetPdfLicense() { var l = new Aspose.Pdf.License(); l.SetLicense(LicensePath); } public static void SetSlidesLicense() { var l = new Aspose.Slides.License(); l.SetLicense(LicensePath); } /// <summary> /// Excel /// </summary> public static void SetCellsLicense() { var l = new Aspose.Cells.License(); l.SetLicense(LicensePath); } } }
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