关于文档页数统计的有关问题
关于文档页数统计的问题
现在想也web页面上传附件以后，计算出附件文档（word、pdf等）的页数，请各位大神指路。
------解决思路----------------------
现在想也web页面上传附件以后，计算出附件文档（word、pdf等）的页数，请各位大神指路。
------解决思路----------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using Microsoft.Office.Interop.Word;
using System.Windows.Forms;
using iTextSharp.text;
using iTextSharp.text.pdf;
namespace FilePageCount
{
/// <summary>
/// 获得文件页数
/// </summary>
public class PageCount
{
private Microsoft.Office.Interop.Word.Application myWordApp = new Microsoft.Office.Interop.Word.ApplicationClass();
object oMissing = System.Reflection.Missing.Value;
#region --获取pdf文件的页数--
public int GetPDFPageCountByDll(string path)
{
// 创建一个PdfReader对象
PdfReader reader = new PdfReader(path);
// 获得文档页数
int pagecount = reader.NumberOfPages;
return pagecount;
}
/// <summary>
/// 获取pdf文件的页数
/// </summary>
///
public int GetPDFPageCount(string path)
{
byte[] buffer = File.ReadAllBytes(path);
int length = buffer.Length;
if (buffer == null)
return -1;
if (buffer.Length <= 0)
return -1;
try
{
int i = 0;
int nPos = BytesLastIndexOf(buffer, length, "/Type/Pages");
if (nPos == -1)
return -1;
string pageCount = null;
for (i = nPos; i < length - 10; i++)
{
if (buffer[i] == '/' && buffer[i + 1] == 'C' && buffer[i + 2] == 'o' && buffer[i + 3] == 'u' && buffer[i + 4] == 'n' && buffer[i + 5] == 't')
{
int j = i + 3;
while (buffer[j] != '/' && buffer[j] != '>')
j++;
pageCount = Encoding.Default.GetString(buffer, i, j - i);
break;
}
}
if (pageCount == null)
return -1;
int n = pageCount.IndexOf("Count");
if (n > 0)
{
pageCount = pageCount.Substring(n + 5).Trim();
for (i = pageCount.Length - 1; i >= 0; i--)
{
if (pageCount[i] >= '0' && pageCount[i] <= '9')
{
return int.Parse(pageCount.Substring(0, i + 1));
}
}
}
return -1;
}
catch (Exception ex)
{
return -1;
}
}
private int BytesLastIndexOf(Byte[] buffer, int length, string Search)
{
if (buffer == null)
return -1;
if (buffer.Length <= 0)
return -1;
byte[] SearchBytes = Encoding.Default.GetBytes(Search.ToUpper());
for (int i = length - SearchBytes.Length; i >= 0; i--)
{
bool bFound = true;
for (int j = 0; j < SearchBytes.Length; j++)
{
if (ByteUpper(buffer[i + j]) != SearchBytes[j])
{
bFound = false;
break;
}
}
if (bFound)
return i;
}
return -1;
}
private byte ByteUpper(byte byteValue)
{
char charValue = Convert.ToChar(byteValue);
if (charValue < 'a'
------解决思路----------------------
charValue > 'z')
return byteValue;
else
return Convert.ToByte(byteValue - 32);
}
#endregion
#region --获取word文件的页数--
/// <summary>
/// 获得word文档页数
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public int GetWordPageCount(string path)
{
try
{
myWordApp.Visible = false;
object filePath = path; //这里是Word文件的路径
//打开文件
Microsoft.Office.Interop.Word.Document myWordDoc = myWordApp.Documents.Open(
ref filePath, ref oMissing, ref oMissing, ref oMissing,
ref oMissing, ref oMissing, ref oMissing, ref oMissing,
ref oMissing, ref oMissing, ref oMissing, ref oMissing,
ref oMissing, ref oMissing, ref oMissing, ref oMissing);
//下面是取得打开文件的页数
int pages = myWordDoc.ComputeStatistics(WdStatistic.wdStatisticPages, ref oMissing);
myWordDoc.Close(ref oMissing, ref oMissing, ref oMissing);
return pages;
}
catch(Exception ex)
{
return 0;
}
}
/// <summary>
/// 关闭Word.ApplicationClass对象
/// </summary>
public void QuitWordApp()
{
if (myWordApp != null)
{
//关闭文件
myWordApp.Quit(ref oMissing, ref oMissing, ref oMissing);
}
}
#endregion
}
}