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C#实现HTML转WORD及WORD转PDF的方法

来源:本站原创|时间:2020-01-10|栏目:C#教程|点击:

本文实例讲述了C#实现HTML转WORD及WORD转PDF的方法。分享给大家供大家参考。具体如下:

功能:实现HTML转WORD,WORD转PDF

具体代码如下:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Word = Microsoft.Office.Interop.Word;
using oWord = Microsoft.Office.Interop.Word;
using System.Reflection;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Microsoft.Office.Core;
using System.Text.RegularExpressions;
namespace WindowsApplication2
{
 public partial class Form1 : Form
 {
  public Form1()
  {
   InitializeComponent();
  }
  private void button1_Click(object sender, EventArgs e)
  {
   object oMissing = System.Reflection.Missing.Value;
   object oEndOfDoc = "\\endofdoc"; /* \endofdoc is a predefined bookmark */
   //Start Word and create a new document.
   Word._Application oWord;
   Word._Document oDoc;
   oWord = new Word.Application();
   oWord.Visible = true;
   oDoc = oWord.Documents.Add(ref oMissing, ref oMissing,
    ref oMissing, ref oMissing);
   //Insert a paragraph at the beginning of the document.
   Word.Paragraph oPara1;
   oPara1 = oDoc.Content.Paragraphs.Add(ref oMissing);
   oPara1.Range.Text = "Heading 1";
   oPara1.Range.Font.Bold = 1;
   oPara1.Format.SpaceAfter = 24; //24 pt spacing after paragraph.
   oPara1.Range.InsertParagraphAfter();
   //Insert a paragraph at the end of the document.
   Word.Paragraph oPara2;
   object oRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
   oPara2 = oDoc.Content.Paragraphs.Add(ref oRng);
   oPara2.Range.Text = "Heading 2";
   oPara2.Format.SpaceAfter = 6;
   oPara2.Range.InsertParagraphAfter();
   //Insert another paragraph.
   Word.Paragraph oPara3;
   oRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
   oPara3 = oDoc.Content.Paragraphs.Add(ref oRng);
   oPara3.Range.Text = "This is a sentence of normal text. Now here is a table:";
   oPara3.Range.Font.Bold = 0;
   oPara3.Format.SpaceAfter = 24;
   oPara3.Range.InsertParagraphAfter();
   //Insert a 3 x 5 table, fill it with data, and make the first row
   //bold and italic.
   Word.Table oTable;
   Word.Range wrdRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
   oTable = oDoc.Tables.Add(wrdRng, 3, 5, ref oMissing, ref oMissing);
   oTable.Range.ParagraphFormat.SpaceAfter = 6;
   int r, c;
   string strText;
   for (r = 1; r <= 3; r++)
    for (c = 1; c <= 5; c++)
    {
     strText = "r" + r + "c" + c;
     oTable.Cell(r, c).Range.Text = strText;
    }
   oTable.Rows[1].Range.Font.Bold = 1;
   oTable.Rows[1].Range.Font.Italic = 1;
   //Add some text after the table.
   Word.Paragraph oPara4;
   oRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
   oPara4 = oDoc.Content.Paragraphs.Add(ref oRng);
   oPara4.Range.InsertParagraphBefore();
   oPara4.Range.Text = "And here's another table:";
   oPara4.Format.SpaceAfter = 24;
   oPara4.Range.InsertParagraphAfter();
   //Insert a 5 x 2 table, fill it with data, and change the column widths.
   wrdRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
   oTable = oDoc.Tables.Add(wrdRng, 5, 2, ref oMissing, ref oMissing);
   oTable.Range.ParagraphFormat.SpaceAfter = 6;
   for (r = 1; r <= 5; r++)
    for (c = 1; c <= 2; c++)
    {
     strText = "r" + r + "c" + c;
     oTable.Cell(r, c).Range.Text = strText;
    }
   oTable.Columns[1].Width = oWord.InchesToPoints(2); //Change width of columns 1 & 2
   oTable.Columns[2].Width = oWord.InchesToPoints(3);
   //Keep inserting text. When you get to 7 inches from top of the
   //document, insert a hard page break.
   object oPos;
   double dPos = oWord.InchesToPoints(7);
   oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range.InsertParagraphAfter();
   do
   {
    wrdRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
    wrdRng.ParagraphFormat.SpaceAfter = 6;
    wrdRng.InsertAfter("A line of text");
    wrdRng.InsertParagraphAfter();
    oPos = wrdRng.get_Information
        (Word.WdInformation.wdVerticalPositionRelativeToPage);
   }
   while (dPos >= Convert.ToDouble(oPos));
   object oCollapseEnd = Word.WdCollapseDirection.wdCollapseEnd;
   object oPageBreak = Word.WdBreakType.wdPageBreak;
   wrdRng.Collapse(ref oCollapseEnd);
   wrdRng.InsertBreak(ref oPageBreak);
   wrdRng.Collapse(ref oCollapseEnd);
   wrdRng.InsertAfter("We're now on page 2. Here's my chart:");
   wrdRng.InsertParagraphAfter();
   //Insert a chart.
   Word.InlineShape oShape;
   object oClassType = "MSGraph.Chart.8";
   wrdRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
   oShape = wrdRng.InlineShapes.AddOLEObject(ref oClassType, ref oMissing,
    ref oMissing, ref oMissing, ref oMissing,
    ref oMissing, ref oMissing, ref oMissing);
   //Demonstrate use of late bound oChart and oChartApp objects to
   //manipulate the chart object with MSGraph.
   object oChart;
   object oChartApp;
   oChart = oShape.OLEFormat.Object;
   oChartApp = oChart.GetType().InvokeMember("Application",
    BindingFlags.GetProperty, null, oChart, null);
   //Change the chart type to Line.
   object[] Parameters = new Object[1];
   Parameters[0] = 4; //xlLine = 4
   oChart.GetType().InvokeMember("ChartType", BindingFlags.SetProperty,
    null, oChart, Parameters);
   //Update the chart image and quit MSGraph.
   oChartApp.GetType().InvokeMember("Update",
    BindingFlags.InvokeMethod, null, oChartApp, null);
   oChartApp.GetType().InvokeMember("Quit",
    BindingFlags.InvokeMethod, null, oChartApp, null);
   //... If desired, you can proceed from here using the Microsoft Graph 
   //Object model on the oChart and oChartApp objects to make additional
   //changes to the chart.
   //Set the width of the chart.
   oShape.Width = oWord.InchesToPoints(6.25f);
   oShape.Height = oWord.InchesToPoints(3.57f);
   //Add text after the chart.
   wrdRng = oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;
   wrdRng.InsertParagraphAfter();
   wrdRng.InsertAfter("THE END.");
   //Close this form.
   this.Close();
  }
  private void button2_Click(object sender, EventArgs e)
  {
   string s = "";
   if (openFileDialog1.ShowDialog() == DialogResult.OK)
   {
    s = openFileDialog1.FileName;
   }
   else
   {
    return;
   }
   // 在此处放置用户代码以初始化页面
   Word.ApplicationClass word = new Word.ApplicationClass();
   Type wordType = word.GetType();
   Word.Documents docs = word.Documents;
   // 打开文件
   Type docsType = docs.GetType();
   object fileName = s;
   Word.Document doc = (Word.Document)docsType.InvokeMember("Open",
   System.Reflection.BindingFlags.InvokeMethod, null, docs, new Object[] { fileName, false, false });
   // 转换格式,另存为
   Type docType = doc.GetType();
   object saveFileName = "d:\\Reports\\aaa.doc";
   //下面是Microsoft Word 9 Object Library的写法,如果是10,可能写成:
   /*
   docType.InvokeMember("SaveAs", System.Reflection.BindingFlags.InvokeMethod,
    null, doc, new object[]{saveFileName, Word.WdSaveFormat.wdFormatFilteredHTML});
   */
   ///其它格式:
   ///wdFormatHTML
   ///wdFormatDocument
   ///wdFormatDOSText
   ///wdFormatDOSTextLineBreaks
   ///wdFormatEncodedText
   ///wdFormatRTF
   ///wdFormatTemplate
   ///wdFormatText
   ///wdFormatTextLineBreaks
   ///wdFormatUnicodeText
   docType.InvokeMember("SaveAs", System.Reflection.BindingFlags.InvokeMethod,
    null, doc, new object[] { saveFileName, Word.WdSaveFormat.wdFormatDocument });
   // 退出 Word
   wordType.InvokeMember("Quit", System.Reflection.BindingFlags.InvokeMethod,
    null, word, null);
  }
  private void WordConvert(string s)
  {
   oWord.ApplicationClass word = new Microsoft.Office.Interop.Word.ApplicationClass();
   Type wordType = word.GetType();
   //打开WORD文档
   /*对应脚本中的
    var word = new ActiveXObject("Word.Application");
    var doc = word.Documents.Open(docfile);
   */
   oWord.Documents docs = word.Documents;
   Type docsType = docs.GetType();
   object objDocName =s;
   oWord.Document doc = (oWord.Document)docsType.InvokeMember("Open", System.Reflection.BindingFlags.InvokeMethod, null, docs, new Object[] { objDocName, true, true });
   //打印输出到指定文件
   //你可以使用 doc.PrintOut();方法,次方法调用中的参数设置较繁琐,建议使用 Type.InvokeMember 来调用时可以不用将PrintOut的参数设置全,只设置4个主要参数
   Type docType = doc.GetType();
   object printFileName = @"c:\aaa.ps";
   docType.InvokeMember("PrintOut", System.Reflection.BindingFlags.InvokeMethod, null, doc, new object[] { false, false, oWord.WdPrintOutRange.wdPrintAllDocument, printFileName });
   //new object[]{false,false,oWord.WdPrintOutRange.wdPrintAllDocument,printFileName}
   //对应脚本中的word.PrintOut(false, false, 0, psfile);的参数
   //退出WORD
   //对应脚本中的word.Quit();
   wordType.InvokeMember("Quit", System.Reflection.BindingFlags.InvokeMethod, null, word, null);
   object o1 = "c:\\aaa.ps";
   object o2 = "c:\\aaa.pdf";
   object o3 = "";
   //引用将PS转换成PDF的对象
   //try catch之间对应的是脚本中的 PDF.FileToPDF(psfile,pdffile,"");  //你可以使用 pdfConvert.FileToPDF("c:\\test.ps","c:\\test.pdf","");这样的转换方法,本人只是为了保持与WORD相同的调用方式
   try
   {
    ACRODISTXLib.PdfDistillerClass pdf = new ACRODISTXLib.PdfDistillerClass();
    Type pdfType = pdf.GetType();
    pdfType.InvokeMember("FileToPDF", System.Reflection.BindingFlags.InvokeMethod, null, pdf, new object[] { o1, o2, o3 });
    pdf = null;
   }
   catch { } //读者自己补写错误处理
   //为防止本方法调用多次时发生错误,必须停止acrodist.exe进程
   foreach (System.Diagnostics .Process proc in System.Diagnostics.Process.GetProcesses())
   {
    int begpos;
    int endpos;
    string sProcName = proc.ToString();
    begpos = sProcName.IndexOf("(") + 1;
    endpos = sProcName.IndexOf(")");
    sProcName = sProcName.Substring(begpos, endpos - begpos);
    if (sProcName.ToLower().CompareTo("acrodist") == 0)
    {
     try
     {
      proc.Kill(); //停止进程
     }
     catch { } //读者自己补写错误处理
     break;
    }
   }
  }
  private void button3_Click(object sender, EventArgs e)
  {
   if (openFileDialog1.ShowDialog() == DialogResult.OK)
   {
    string s = openFileDialog1.FileName;
    WordConvert(s);
   }
  }
  //getnextcode
  private void button4_Click(object sender, EventArgs e)
  {
   WorkCell myWorkCell = new WorkCell(textBox2.Text,textBox1.Text);
   textBox3.Text = myWorkCell.GetNextCode();
  }
 }
 public class WorkCell
 {
  private string workCellCode;
  private string parentCellCode;
  private string commonCode;
  private char[] code;
  private char[] pCode;
  private char[] standCode;
  private string s;
  public WorkCell( string mycode,string parentcode)
  {
   workCellCode = mycode;
   parentCellCode = parentcode;
   standCode = new char[] { '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'W', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' };
   commonCode = Regex.Replace(parentCellCode,@"0+","");
   code = workCellCode.Substring(commonCode.Length).ToCharArray();
  }
  public string WorkCellCode
  {
   set
   {
    workCellCode = value;
   }
   get
   {
    return workCellCode;
   }
  }
  public string ParentCellCode
  { 
   set
   {
    workCellCode = value;
   }
   get
   {
    return workCellCode;
   }
  }
  public string GetNextCode()
  {
   string s="";
   if (code.Length > 0)
   {
    int i = 0;
    for (i = code.Length - 1; i >= 0; i--)
    {
     if (code[i] != '0')
     {
      GetNextChar(i);
      break;
     }
    }
    for(i=0;i<code.Length;i++)
    {
     s+=code[i].ToString();
    }
    return commonCode + s;
   }
   else
   {
    return "null";
   }
  }
  //设置code中的下一个代码,从右边起,找到第一个非0字符,将其按标准代码自加1,溢出则进位
  private char GetNextChar(int j)
  {
   int i = -1;
   int flag = 0;
   for (i = 0; i < standCode.Length; i++)
   {
    if (code[j] == standCode[i])
    {
     flag = 1;
     break;
    }
   }
   //MessageBox.Show(code[j].ToString()+" "+standCode[i].ToString()+" "+i.ToString());
   if (i >= standCode.Length-1 || flag==0)
   {
    code[j] = standCode[0];
    if (j > 0)
     code[j - 1] = GetNextChar(j - 1);
   }
   else
   {
    code[j] = standCode[i + 1];
   }
   return code[j];
  }
 }
}

希望本文所述对大家的C#程序设计有所帮助。

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