OpenXml编程--修正Word目录页码错误

publicstaticvoidFixtDirectory(WordprocessingDocumentwdDoc)

Bodybody=wdDoc.MainDocumentPart.Document.Body;

//获取所有包含一、二级标题的段落

varparHasStyle=body.Descendants<Paragraph>().Where(t=>t.Descendants<ParagraphStyleId>().Count()>0&&
t.Descendants<ParagraphStyleId>().All(c=>c.Val=="1"||c.Val=="2"));

stringbookMarkName="_Toc{0}";

intnum=988888888;

Dictionary<string,string>bookMarkAddedDic=newDictionary<string,string>();

if(parHasStyle.Count()>0)

{

foreach(ParagraphpinparHasStyle)

{

varbookmarkEnds=p.Descendants<BookmarkEnd>();//获取段落中所有BookmarkEnd标签

varbookmarkStarts=p.Descendants<BookmarkStart>();//获取段落中所有BookmarkStart标签

intbookmarkEndsCount=bookmarkEnds.Count();

intbookmarkStartsCount=bookmarkStarts.Count();

stringname=string.Format(bookMarkName,++num);

stringid=(num++).ToString();

//创建新书签用于添加到标题上下

BookmarkStartbookmarkStart=newBookmarkStart(){Name=name,Id=id};

BookmarkEndbookmarkEnd=newBookmarkEnd(){Id=id};

if(bookmarkEndsCount==0&&bookmarkStartsCount==0)

{

if(p.Descendants<Text>().Count()>0)

{

AddBookMarkToParagraph(p,bookmarkEnd,bookmarkStart);//添加书签

bookMarkAddedDic.Add(p.Descendants<Text>().First().Text,name);//记录添加的书签

}

}

else

if(bookmarkEndsCount!=bookmarkStartsCount)

{

DeleteBookMarkFromParagraph(body,p,bookmarkStarts,bookmarkEnds);//删除孤单书签

AddBookMarkToParagraph(p,bookmarkEnd,bookmarkStart);//添加新书签

stringdicKey=GetKey(p);//获取被添加书签的标题

bookMarkAddedDic.Add(dicKey,name);//记录添加的书签

}

}

FixtDirectory(bookMarkAddedDic,body);//更新目录

}

}

///<summary>

///将段落中文字拼起来得到标题内容

///</summary>

///<paramname="p"></param>

///<returns></returns>

privatestaticstringGetKey(Paragraphp)

{

returnstring.Join("",p.Descendants<Text>().Select(t=>t.Text));

}

///<summary>

///修正书签

///</summary>

///<paramname="bookMarkAddedDic"></param>

///<paramname="body"></param>

privatestaticvoidFixtDirectory(Dictionary<string,string>bookMarkAddedDic,Bodybody)

{

if(bookMarkAddedDic.Count>0)

{

if(body.Descendants<SdtBlock>().Count()>0)

{

//得到SdtContentBlock

SdtContentBlocksdtContentBlock=body.Descendants<SdtBlock>().First().GetFirstChild<SdtContentBlock>();

//遍历每一个超链接，修改里面的书签值

foreach(HyperlinkhyperlinkinsdtContentBlock.Descendants<Hyperlink>())

{

Texttext=hyperlink.Descendants<Text>().First();//得到目录项绑定的标题内容

if(bookMarkAddedDic.Keys.Contains(text.Text))

{

hyperlink.Anchor=bookMarkAddedDic[text.Text];//超链接绑定到书签的name

FieldCodepageRef=hyperlink.Descendants<FieldCode>().First(t=>t.Text.Contains("PAGEREF"));//

pageRef.Text="PAGEREF"+hyperlink.Anchor+"\\h";//更新PAGEREF以更新页码

}

}

}

}

}

///<summary>

///删除孤单标签

///</summary>

///<paramname="body"></param>

///<paramname="p"></param>

///<paramname="bookmarkStarts"></param>

///<paramname="bookmarkEnds"></param>

privatestaticvoidDeleteBookMarkFromParagraph(Bodybody,Paragraphp,IEnumerable<BookmarkStart>bookmarkStarts,
IEnumerable<BookmarkEnd>bookmarkEnds)

{

IEnumerable<BookmarkStart>singleStartElenmentsIn=null;

IEnumerable<BookmarkEnd>singleEndElenmentsIn=null;

IEnumerable<BookmarkStart>singleStartElenmentsOut=null;

IEnumerable<BookmarkEnd>singleEndElenmentsOut=null;

singleStartElenmentsIn=bookmarkStarts.Where(t=>
!bookmarkEnds.Select(c=>c.Id.Value).Contains(t.Id.Value));//获得段落内的孤单BookmarkStart标签

List<BookmarkStart>bookmarkStartsLst=singleStartElenmentsIn.ToList();

singleEndElenmentsIn=bookmarkEnds.Where(t=>!bookmarkStartsLst.Select(c=>c.Id.Value).
Contains(t.Id.Value));//获得段落内的孤单BookmarkEnd标签

singleStartElenmentsOut=body.Descendants<BookmarkStart>().Where(t=>singleEndElenmentsIn.
Select(c=>c.Id.Value).Contains(t.Id.Value));//获得段落外的孤单BookmarkStart标签

singleEndElenmentsOut=body.Descendants<BookmarkEnd>().Where(t=>singleStartElenmentsIn.
Select(c=>c.Id.Value).Contains(t.Id.Value));//获得段落外的孤单BookmarkEnd标签

//删除所有孤单标签

Remove(singleStartElenmentsOut);

Remove(singleEndElenmentsOut);

Remove(singleStartElenmentsIn);

Remove(singleEndElenmentsIn);

}

privatestaticvoidRemove(IEnumerable<OpenXmlElement>singleElenments)

{

singleElenments.ToList().ForEach(t=>t.Remove());//删除标签

}

///<summary>

///添加新的标签到段落中标题上下

///</summary>

///<paramname="p"></param>

///<paramname="bookmarkEnd"></param>

///<paramname="bookmarkStart"></param>

privatestaticvoidAddBookMarkToParagraph(Paragraphp,BookmarkEndbookmarkEnd,BookmarkStartbookmarkStart)

{

if(p.Descendants<Text>().Count()>0)

{

varwtBegin=p.Descendants<Text>().First();

varwtEnd=p.Descendants<Text>().Last();

RunrBegin=wtBegin.ParentasRun;//得到标题内容开始行

RunrEnd=wtEnd.ParentasRun;//得到标题内容结束行

rBegin.InsertBeforeSelf(bookmarkStart);//在标题上面插入BookmarkStart

rEnd.InsertAfterSelf(bookmarkEnd);//在标题下面插入bookmarkEnd

}

}

代码很少，我将说明加在注释上，相信各位都能看的懂。最后还希望大家踊跃留言讨论。谢谢！