本文实例讲述了c#实现合并多个word文档的方法，是非常具有实用价值的技巧。分享给大家供大家参考。
具体实现方法如下：
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using system;
using system.collections.generic;
using system.linq;
using system.web;
using microsoft.office.interop.word;
using system.reflection;
using system.io;
using system.diagnostics;
namespace driverexam.wordreport
{
public class worddocumentmerger
{
private applicationclass objapp = null;
private document objdoclast = null;
private document objdocbeforelast = null;
public worddocumentmerger()
{
objapp = new applicationclass();
}
#region 打开文件
private void open(string tempdoc)
{
object objtempdoc = tempdoc;
object objmissing = system.reflection.missing.value;
objdoclast = objapp.documents.open(
ref objtempdoc, //filename
ref objmissing, //confirmversions
ref objmissing, //readonly
ref objmissing, //addtorecentfiles
ref objmissing, //passworddocument
ref objmissing, //passwordtemplate
ref objmissing, //revert
ref objmissing, //writepassworddocument
ref objmissing, //writepasswordtemplate
ref objmissing, //format
ref objmissing, //enconding
ref objmissing, //visible
ref objmissing, //openandrepair
ref objmissing, //documentdirection
ref objmissing, //noencodingdialog
ref objmissing //xmltransform
);
objdoclast.activate();
}
#endregion
#region 保存文件到输出模板
private void saveas(string outdoc)
{
object objmissing = system.reflection.missing.value;
object objoutdoc = outdoc;
objdoclast.saveas(
ref objoutdoc, //filename
ref objmissing, //fileformat
ref objmissing, //lockcomments
ref objmissing, //password
ref objmissing, //addtorecentfiles
ref objmissing, //writepassword
ref objmissing, //readonlyrecommended
ref objmissing, //embedtruetypefonts
ref objmissing, //savenativepictureformat
ref objmissing, //saveformsdata
ref objmissing, //saveasaoceletter,
ref objmissing, //encoding
ref objmissing, //insertlinebreaks
ref objmissing, //allowsubstitutions
ref objmissing, //lineending
ref objmissing //addbidimarks
);
}
#endregion
#region 循环合并多个文件（复制合并重复的文件）
/// <summary>
/// 循环合并多个文件（复制合并重复的文件）
/// </summary>
/// <param name="tempdoc">模板文件</param>
/// <param name="arrcopies">需要合并的文件</param>
/// <param name="outdoc">合并后的输出文件</param>
public void copymerge(string tempdoc, string[] arrcopies, string outdoc)
{
object objmissing = missing.value;
object objfalse = false;
object objtarget = wdmergetarget.wdmergetargetselected;
object objuseformatfrom = wduseformattingfrom.wdformattingfromselected;
try
{
//打开模板文件
open(tempdoc);
foreach (string strcopy in arrcopies)
{
objdoclast.merge(
strcopy, //filename
ref objtarget, //mergetarget
ref objmissing, //detectformatchanges
ref objuseformatfrom, //useformattingfrom
ref objmissing //addtorecentfiles
);
objdocbeforelast = objdoclast;
objdoclast = objapp.activedocument;
if (objdocbeforelast != null)
{
objdocbeforelast.close(
ref objfalse, //savechanges
ref objmissing, //originalformat
ref objmissing //routedocument
);
}
}
//保存到输出文件
saveas(outdoc);
foreach (document objdocument in objapp.documents)
{
objdocument.close(
ref objfalse, //savechanges
ref objmissing, //originalformat
ref objmissing //routedocument
);
}
}
finally
{
objapp.quit(
ref objmissing, //savechanges
ref objmissing, //originalformat
ref objmissing //routdocument
);
objapp = null;
}
}
/// <summary>
/// 循环合并多个文件（复制合并重复的文件）
/// </summary>
/// <param name="tempdoc">模板文件</param>
/// <param name="arrcopies">需要合并的文件</param>
/// <param name="outdoc">合并后的输出文件</param>
public void copymerge(string tempdoc, string strcopyfolder, string outdoc)
{
string[] arrfiles = directory.getfiles(strcopyfolder);
copymerge(tempdoc, arrfiles, outdoc);
}
#endregion
#region 循环合并多个文件（插入合并文件）
/// <summary>
/// 循环合并多个文件（插入合并文件）
/// </summary>
/// <param name="tempdoc">模板文件</param>
/// <param name="arrcopies">需要合并的文件</param>
/// <param name="outdoc">合并后的输出文件</param>
public void insertmerge(string tempdoc, string[] arrcopies, string outdoc)
{
object objmissing = missing.value;
object objfalse = false;
object confirmconversion = false;
object link = false;
object attachment = false;
try
{
//打开模板文件
open(tempdoc);
foreach (string strcopy in arrcopies)
{
objapp.selection.insertfile(
strcopy,
ref objmissing,
ref confirmconversion,
ref link,
ref attachment
);
}
//保存到输出文件
saveas(outdoc);
foreach (document objdocument in objapp.documents)
{
objdocument.close(
ref objfalse, //savechanges
ref objmissing, //originalformat
ref objmissing //routedocument
);
}
}
finally
{
objapp.quit(
ref objmissing, //savechanges
ref objmissing, //originalformat
ref objmissing //routdocument
);
objapp = null;
}
}
/// <summary>
/// 循环合并多个文件（插入合并文件）
/// </summary>
/// <param name="tempdoc">模板文件</param>
/// <param name="arrcopies">需要合并的文件</param>
/// <param name="outdoc">合并后的输出文件</param>
public void insertmerge(string tempdoc, string strcopyfolder, string outdoc)
{
string[] arrfiles = directory.getfiles(strcopyfolder);
insertmerge(tempdoc, arrfiles, outdoc);
}
#endregion
}
}
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