[Asp.Net]ConvertToPDF
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如何把文档转换成PDF呢?
ConvertToPDF.csusing System;using System.Collections.Generic;using System.Linq;using System.Web;using Microsoft.Office;using Word = Microsoft.Office.Interop.Word;using Excel = Microsoft.Office.Interop.Excel;using PowerPoint = Microsoft.Office.Interop.PowerPoint;using Microsoft.Office.Core;namespace ConvertToPDF{ public class ConvertToPDF { public ConvertToPDF() { } /// <summary> /// DOC 2 PDF /// </summary> /// <param name="sourcePath">源路径</param> /// <param name="targetPath">目标路径</param> /// <returns></returns> public bool DOC2PDF(string sourcePath, string targetPath) { bool result = false; Word.WdExportFormat exportFormat = Word.WdExportFormat.wdExportFormatPDF; object paramMissing = Type.Missing; Word.ApplicationClass wordApplication = new Word.ApplicationClass(); Word.Document wordDocument = null; try { object paramSourceDocPath = sourcePath; string paramExportFilePath = targetPath; Word.WdExportFormat paramExportFormat = exportFormat; bool paramOpenAfterExport = false; Word.WdExportOptimizeFor paramExportOptimizeFor = Word.WdExportOptimizeFor.wdExportOptimizeForPrint; Word.WdExportRange paramExportRange = Word.WdExportRange.wdExportAllDocument; int paramStartPage = 0; int paramEndPage = 0; Word.WdExportItem paramExportItem = Word.WdExportItem.wdExportDocumentContent; bool paramIncludeDocProps = true; bool paramKeepIRM = true; Word.WdExportCreateBookmarks paramCreateBookmarks = Word.WdExportCreateBookmarks.wdExportCreateWordBookmarks; bool paramDocStructureTags = true; bool paramBitmapMissingFonts = true; bool paramUseISO19005_1 = false; wordDocument = wordApplication.Documents.Open( ref paramSourceDocPath, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing, ref paramMissing); if (wordDocument != null) wordDocument.ExportAsFixedFormat(paramExportFilePath, paramExportFormat, paramOpenAfterExport, paramExportOptimizeFor, paramExportRange, paramStartPage, paramEndPage, paramExportItem, paramIncludeDocProps, paramKeepIRM, paramCreateBookmarks, paramDocStructureTags, paramBitmapMissingFonts, paramUseISO19005_1, ref paramMissing); result = true; } catch { result = false; } finally { if (wordDocument != null) { wordDocument.Close(ref paramMissing, ref paramMissing, ref paramMissing); wordDocument = null; } if (wordApplication != null) { wordApplication.Quit(ref paramMissing, ref paramMissing, ref paramMissing); wordApplication = null; } GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect(); GC.WaitForPendingFinalizers(); } return result; } /// <summary> /// XLS 2 PDF /// </summary> /// <param name="sourcePath">源路径</param> /// <param name="targetPath">目标路径</param> /// <returns></returns> public bool XLS2PDF(string sourcePath, string targetPath) { bool result = false; Excel.XlFixedFormatType targetType = Excel.XlFixedFormatType.xlTypePDF; object missing = Type.Missing; Excel.ApplicationClass application = null; Excel.Workbook workBook = null; try { application = new Excel.ApplicationClass(); object target = targetPath; object type = targetType; workBook = application.Workbooks.Open(sourcePath, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing); workBook.ExportAsFixedFormat(targetType, target, Excel.XlFixedFormatQuality.xlQualityStandard, true, false, missing, missing, missing, missing); result = true; } catch { result = false; } finally { if (workBook != null) { workBook.Close(true, missing, missing); workBook = null; } if (application != null) { application.Quit(); application = null; } GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect(); GC.WaitForPendingFinalizers(); } return result; } /// <summary> /// PPT 2 PDF /// </summary> /// <param name="sourcePath">源路径</param> /// <param name="targetPath">目标路径</param> /// <returns></returns> public bool PPT2PDF(string sourcePath, string targetPath) { bool result; PowerPoint.PpSaveAsFileType targetFileType = PowerPoint.PpSaveAsFileType.ppSaveAsPDF; object missing = Type.Missing; PowerPoint.ApplicationClass application = null; PowerPoint.Presentation persentation = null; try { application = new PowerPoint.ApplicationClass(); persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse); persentation.SaveAs(targetPath, targetFileType, Microsoft.Office.Core.MsoTriState.msoTrue); result = true; } catch { result = false; } finally { if (persentation != null) { persentation.Close(); persentation = null; } if (application != null) { application.Quit(); application = null; } GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect(); GC.WaitForPendingFinalizers(); } return result; } }}
HTML;
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ConvertToPDF._Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title></head><body> <form id="form1" runat="server"> <div style="margin: 50px auto; border: #e3e3e3 1px solid; height: 300px; width: 350px; background-color: #8ABAE3; padding: 20px 20px 20px 20px;"> <asp:FileUpload ID="FileUpload1" runat="server" /> <br /> <br /> <asp:Button ID="Btn_Upload" runat="server" Text="上传" OnClick="Btn_Upload_Click" /> <br /> <br /> 选择列表框中的文件,查看: <br /> <asp:ListBox ID="ListBox1" runat="server" Height="205px" Width="290px"></asp:ListBox> </div> </form></body></html>cs:
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.IO;namespace ConvertToPDF{ public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } /// <summary> /// 文档上传 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void Btn_Upload_Click(object sender, EventArgs e) { if (FileUpload1.HasFile) { try { string fileName = FileUpload1.FileName; string fileExtention = FileUpload1.FileName.Substring(fileName.LastIndexOf(".") + 1); string filePath = HttpContext.Current.Server.MapPath("~/Upload\\") + fileName; FileUpload1.SaveAs(filePath); ListBox1.Items.Add(new ListItem(fileName, fileName)); bool bl = Convert(fileName, fileExtention); Page.ClientScript.RegisterStartupScript(this.GetType(), "", bl ? "<script>alert('上传、转换成功!')</script>" : "<script>alert('上传、转换失败!')</script>"); } catch { } } } private bool Convert(string fileName, string fileExtention) { string srcPath = HttpContext.Current.Server.MapPath("~/Upload\\") + fileName; string targetPath = HttpContext.Current.Server.MapPath("~/PDF\\") + fileName.Replace(".","-") + ".pdf"; ConvertToPDF c = new ConvertToPDF(); bool bl = false; switch (fileExtention.ToUpper()) { case "DOC": case "DOCX": bl = c.DOC2PDF(srcPath, targetPath); break; case "XLS": case "XLSX": bl = c.XLS2PDF(srcPath, targetPath); break; case "PPT": case "PPTX": bl = c.PPT2PDF(srcPath, targetPath); break; default: bl = false; break; } return bl; } }}功能:
- [Asp.Net]ConvertToPDF
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