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Spire.Doc基本操作，你会了吗？（文档管理控件技术交流：QQ群：767755948）

1. 问：如何从word文档中获取文本？

答：您可以调用方法method document.GetText（）来执行此操作。完整代码：

Document document = new Document();
document.LoadFromFile(@"..\..\test.docx");
using (StreamWriter sw = File.CreateText("output.txt"))
 {
 sw.Write(document.GetText());
 }
 

2. 问：如何插入具有指定高度和宽度的图像？

答：您可以设置DocPicture的属性高度和宽度来调整图像大小。完整代码：

Document document = new Document();
document.LoadFromFile("sample.docx", FileFormat.Docx);
Image image = Image.FromFile("image.jpg");

//specify the paragraph
Paragraph paragraph = document.Sections[0].Paragraphs[2];
DocPicture picture = paragraph.AppendPicture(image);

//resize the image
picture.Height = picture.Height * 0.8f;
picture.Width = picture.Width * 0.8f;
document.SaveToFile("result.docx", FileFormat.Docx);

3. 问：如何对齐word文档中的文本？

答：请设置段落的属性HorizontalAlignment以对齐文本。完整代码：

Document document = new Document();
document.LoadFromFile("sample.docx");

//set paragraph1 to align left
Paragraph paragraph1 = document.Sections[0].Paragraphs[0];
paragraph1.Format.HorizontalAlignment = HorizontalAlignment.Left;

//set paragraph2 to align center
Paragraph paragraph2 = document.Sections[0].Paragraphs[1];
paragraph2.Format.HorizontalAlignment = HorizontalAlignment.Center;

//set paragraph3 to align right
Paragraph paragraph3 = document.Sections[0].Paragraphs[2];
paragraph3.Format.HorizontalAlignment = HorizontalAlignment.Right;
document.SaveToFile("result.docx");

4. 问：如何更改现有书签上的文字？

答：您可以使用BookmarksNavigator来查找指定的书签。然后请调用ReplaceBookmarkContent方法替换书签上的文本。完整代码：

Document document = new Document();
document.LoadFromFile("sample.doc");
BookmarksNavigator bookmarkNavigator = new BookmarksNavigator(document);
bookmarkNavigator.MoveToBookmark("mybookmark");

//replace text on bookmarks
bookmarkNavigator.ReplaceBookmarkContent("new context", false);
document.SaveToFile("result.doc", FileFormat.Doc);

5. 问：如何将word转换为html？

答：您可以使用指定的文件格式HTML调用SaveToFile方法将word文档转换为html。完整代码：

Document document = new Document();
document.LoadFromFile("sample.doc");

//save word document as html file
document.SaveToFile("result.html", FileFormat.Html);
document.Close();

6. 问：如何将html转换为word文档？

答：请调用LoadFromFile方法加载html文件。然后调用SaveToFile方法将html转换为word文档。完整代码：

Document document = new Document();

document.LoadFromFile("sample.html", FileFormat.Html, XHTMLValidationType.None);
//save html as word document
document.SaveToFile("result.doc");
document.Close();

7. 如何将word2007转换为word2003？

答：只需使用指定的文件格式doc调用SaveToFile方法即可将word2007转换为word2003。完整代码：

Document document = new Document("word2007.docx");

//convert word2007 to word2003
document.SaveToFile("word2003.doc", FileFormat.Doc);
document.Close();

8. 问：如何替换和删除Word文档中的页眉或页脚？

答：请使用Section获取页眉或页脚。您可以调用替换方法来替换标题并调用Clear方法以删除Word文档的页眉或页脚。

Document document = new Document();
Section section = document.AddSection();

//add a header
HeaderFooter header = section.HeadersFooters.Header;
Paragraph headerParagraph = header.AddParagraph();
TextRange text = headerParagraph.AppendText("Demo of Spire.Doc");
text.CharacterFormat.TextColor = Color.Blue;
document.SaveToFile("DocWithHeader.doc");

//replace the header
headerParagraph.Replace("Demo", "replaceText", true, true);
document.SaveToFile("DocHeaderReplace.doc");
document.LoadFromFile("DocWithHeader.doc");

//delete the heater
document.Sections[0].HeadersFooters.Header.Paragraphs.Clear();
document.SaveToFile("DocHeaderDelete.doc");

9. 问：如何合并word文档？

答：请调用克隆方法复制一节。然后调用Add方法将该部分的副本添加到指定的文档。完整代码：

Document document1 = new Document();
document1.LoadFromFile("merge1.docx");
Document document2 = new Document();
document2.LoadFromFile("merge2.docx");

//add sections from document1 to document2
foreach (Section sec in document2.Sections)
{
    document1.Sections.Add(sec.Clone());
}
document1.SaveToFile("result.docx");

10. 问：如何遍历word文档中表格的单元格？

答：行是表中行的集合，单元是行中单元的集合。所以你可以用两个循环来遍历表格的单元格。完整代码：

Document document = new Document();
document.LoadFromFile("sample.docx");
Spire.Doc.Interface.ITable table = document.Sections[0].Tables[0];
int i=0;

//traverse the cells
foreach (TableRow row in table.Rows)
{
    foreach (TableCell cell in row.Cells)
    {
        i++;
    }
}

11. 问：如何设置阴影文字？

答：您只需设置TextRange的属性IsShadow即可。完整代码：

Document document = new Document();
Section section = document.AddSection();
Paragraph paragraph = section.AddParagraph();
TextRange HText = paragraph.AppendText("this is a test!");

//set the property IsShadow
HText.CharacterFormat.IsShadow = true;
HText.CharacterFormat.FontSize = 80;
document.SaveToFile("result.doc");

12. 问：如何在Word中插入行号？

答：您需要设置节的属性LineNumberingRestartMode，LineNumberingStep，LineNumberingStartValue以在Word文档中插入行号。完整代码：

Document document = new Document();
Section section = document.AddSection();

//insert line numbers
section.PageSetup.LineNumberingRestartMode = LineNumberingRestartMode.RestartPage;
section.PageSetup.LineNumberingStep = 1;
section.PageSetup.LineNumberingStartValue = 1;
Paragraph paragraph = section.AddParagraph();
paragraph.AppendText("As an independent Word .NET component, Spire.Doc for .NET doesn't need Microsoft Word to be installed on the machine. However, it can incorporate Microsoft Word document creation capabilities into any developers .NET applications.");
document.SaveToFile("result.doc");

13. 问：如何使图像周围的文字？

答：您需要设置图片的属性TextWrappingStyle和ShapeHorizontalAlignment。完整代码：

Document document = new Document();
Section section = document.AddSection();
Paragraph paragraph = section.AddParagraph();
string str = "As an independent Word .NET component, Spire.Doc for .NET doesn't need Microsoft Word to be installed on the machine. However, it can incorporate Microsoft Word document creation capabilities into any developers.NET applications.As an independent Word .NET component, Spire.Doc for .NET doesn't need Microsoft Word to be installed on the machine. However, it can incorporate Microsoft Word document creation capabilities into any developers’.NET applications.";
paragraph.AppendText(str);
DocPicture picture = paragraph.AppendPicture(Image.FromFile("logo.png"));
picture.TextWrappingStyle = TextWrappingStyle.Tight;
picture.HorizontalAlignment = ShapeHorizontalAlignment.Center;
document.SaveToFile("result.doc");

14. 问：如何编辑Word文档中的现有表？

答：使用Section获取表格，您可以编辑单元格中的文本，并且可以将新行插入到表格中。完整代码：

Document doc = new Document("sample.docx");
Section section = doc.Sections[0];
ITable table = section.Tables[0];

//edit text in a cell
TableCell cell1 = table.Rows[1].Cells[1];
Paragraph p1 = cell1.Paragraphs[0];
p1.Text = "abc";

TableCell cell2 = table.Rows[1].Cells[2];
Paragraph p2 = cell2.Paragraphs[0];
p2.Items.Clear();
p2.AppendText("def");

TableCell cell3 = table.Rows[1].Cells[3];
Paragraph p3 = cell3.Paragraphs[0];
(p3.Items[0] as TextRange).Text = "hij";

//insert new row
TableRow newRow = table.AddRow(true, true);
foreach (TableCell cell in newRow.Cells)
{
    cell.AddParagraph().AppendText("new row");
}
doc.SaveToFile("result.doc");

15. 问：如何设置超链接的格式不带下划线？

答：请设置超链接字段的textRange节点来格式化超链接。完整代码：

Document document = new Document();
Section section = document.AddSection();
Paragraph paragraph = section.AddParagraph();
Field hyperlink = paragraph.AppendHyperlink("www.e-iceblue.com", "www.e-iceblue.com", HyperlinkType.WebLink);
TextRange text = hyperlink.NextSibling.NextSibling as TextRange;
text.CharacterFormat.Bold = true;
text.CharacterFormat.UnderlineStyle = UnderlineStyle.None;
document.SaveToFile("result.doc");

16. 问：如何设置word文档只读？

答：请调用Protect方法设置ProtectionType。完整代码：

Document document = new Document();
document.LoadFromFile("sample.docx");
document.Protect(ProtectionType.AllowOnlyReading);
document.SaveToFile("result.doc");

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