Word开发工具Aspose.Words功能演示：在C ++中以编程 ...

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Word文档中的页眉和页脚用于格式化和显示重要信息，例如主题，章节，页码，Copywrite等。以编程方式使用Word文档时，可能需要添加或删除页眉和页脚。为此，本文将教您如何使用C ++在Word文档中添加和删除页眉和页脚。
让我们探索以下有关的内容：

• 使用C ++在Word文档中添加页眉和页脚
  
• 使用C ++删除Word文档中的页眉和页脚
  

要在Word文档中添加页眉和页脚，我们将使用Aspose.Words for C ++ 它是本机C ++ API，支持创建，读取和修改Word文档，而无需安装Microsoft Word。
使用C ++在Word文档中添加页眉和页脚

Word文档中的页眉和页脚分为三部分，标题页，偶数页和奇数页。可以为这些部分添加不同的页眉和页脚。此外，还可以在页眉和页脚中添加图像和表格之类的元素。
在此示例中，我们将创建一个新的Word文档，并为标题页添加一个不同的标题。我们将在后面的页面中添加带有图片的页眉和带有表格的页脚。以下是在Word文档中添加页眉和页脚的步骤。

• 创建Document类的实例来表示Word文档。
  
• 使用 先前创建的Document对象创建DocumentBuilder类 的实例 。
  
• 使用PageSetup-> set_DifferentFirstPageHeaderFooter（bool value）方法指定标题页面需要不同的页眉和页脚。
  
• 设置标题文本的字体属性。
  
• 为后续页面创建页眉和页脚。
  
• 使用DocumentBuilder->InsertImage(System::SharedPtrimage, Aspose::Words::Drawing::RelativeHorizontalPosition horzPos, double left, Aspose::Words::Drawing::RelativeVerticalPosition vertPos, double top, double width, double height, Aspose::Words::WrapType wrapType) 方法将图片加入页眉。
  
• 在页脚中添加表格。
  
• 使用Document->Save(System::String fileName)方法保存Word文档。
  

下面的示例代码演示了如何使用C ++在Word文档中添加页眉和页脚。
void CopyHeadersFootersFromPreviousSection(const System::SharedPtr& section)
{
        System::SharedPtrpreviousSection = System::DynamicCast(section->get_PreviousSibling());

        if (previousSection == nullptr)
        {
                return;
        }

        section->get_HeadersFooters()->Clear();

        for (System::SharedPtrheaderFooterNode : System::IterateOver(previousSection->get_HeadersFooters()))
        {
                section->get_HeadersFooters()->Add(headerFooterNode->Clone(true));
        }
}

int main()
{
        // Source and output directory paths.
        System::String inputDataDir = u"SourceDirectory\\";
        System::String outputDataDir = u"OutputDirectory\\";

        System::SharedPtrdoc = System::MakeObject();
        System::SharedPtrbuilder = System::MakeObject(doc);

        System::SharedPtrcurrentSection = builder->get_CurrentSection();
        System::SharedPtrpageSetup = currentSection->get_PageSetup();

        // Specify if we want headers/footers of the first page to be different from other pages.
        // You can also use PageSetup.OddAndEvenPagesHeaderFooter property to specify
        // Different headers/footers for odd and even pages.
        pageSetup->set_DifferentFirstPageHeaderFooter(true);

        // --- Create header for the first page. ---
        pageSetup->set_HeaderDistance(20);
        builder->MoveToHeaderFooter(HeaderFooterType::HeaderFirst);
        builder->get_ParagraphFormat()->set_Alignment(ParagraphAlignment::Center);

        // Set font properties for header text.
        builder->get_Font()->set_Name(u"Arial");
        builder->get_Font()->set_Bold(true);
        builder->get_Font()->set_Size(14);

        // Specify header title for the first page.
        builder->Write(u"Aspose.Words Header/Footer Creation Primer - Title Page.");

        // --- Create header for pages other than the first page. ---
        pageSetup->set_HeaderDistance(20);
        builder->MoveToHeaderFooter(HeaderFooterType::HeaderPrimary);

        // Insert absolutely positioned image into the top/left corner of the header.
        // Distance from the top/left edges of the page is set to 10 points.
        System::String imageFileName = inputDataDir + u"Desert.jpg";
        builder->InsertImage(imageFileName, RelativeHorizontalPosition::Page, 10, RelativeVerticalPosition::Page, 10, 50, 50, WrapType::Through);

        builder->get_ParagraphFormat()->set_Alignment(ParagraphAlignment::Right);

        // Specify header title for other pages.
        builder->Write(u"Aspose.Words Header/Footer Creation Primer.");

        // --- Create footer for pages other than the first page. ---
        builder->MoveToHeaderFooter(HeaderFooterType::FooterPrimary);

        // We use table with two cells to make one part of the text on the line (with page numbering)
        // To be aligned left, and the other part of the text (with copyright) to be aligned right.
        builder->StartTable();

        // Clear table borders.
        builder->get_CellFormat()->ClearFormatting();

        builder->InsertCell();

        // Set the first cell to 1/3 of the page width.
        builder->get_CellFormat()->set_PreferredWidth(PreferredWidth::FromPercent(100 / 3));

        // Insert page numbering text here.
        // It uses PAGE and NUMPAGES fields to auto calculate current page number and total number of pages.
        builder->Write(u"Page ");
        builder->InsertField(u"PAGE", u"");
        builder->Write(u" of ");
        builder->InsertField(u"NUMPAGES", u"");

        // Align this text to the left.
        builder->get_CurrentParagraph()->get_ParagraphFormat()->set_Alignment(ParagraphAlignment::Left);

        builder->InsertCell();

        // Set the second cell to 2/3 of the page width.
        builder->get_CellFormat()->set_PreferredWidth(PreferredWidth::FromPercent(100 * 2 / 3));

        builder->Write(u"(C) 2001 Aspose Pty Ltd. All rights reserved.");

        // Align this text to the right.
        builder->get_CurrentParagraph()->get_ParagraphFormat()->set_Alignment(ParagraphAlignment::Right);

        builder->EndRow();
        builder->EndTable();

        builder->MoveToDocumentEnd();

        // Add a page break to create a second page on which the primary headers/footers will be seen.
        builder->InsertBreak(BreakType::PageBreak);

        // Add a section break to create a third page with different page orientation.
        builder->InsertBreak(BreakType::SectionBreakNewPage);

        // Get the new section and its page setup.
        currentSection = builder->get_CurrentSection();
        pageSetup = currentSection->get_PageSetup();

        // Set page orientation of the new section to landscape.
        pageSetup->set_Orientation(Orientation::Landscape);

        // This section does not need different first page header/footer.
        // We need only one title page in the document. The header/footer for this page
        // has already been defined in the previous section
        pageSetup->set_DifferentFirstPageHeaderFooter(false);

        // This section displays headers/footers from the previous section by default.
        // Call currentSection.HeadersFooters.LinkToPrevious(false) to cancel this behaviour.
        // Page width is different for the new section and therefore we need to set
        // different cell widths for a footer table.
        currentSection->get_HeadersFooters()->LinkToPrevious(false);

        // If we want to use the already existing header/footer set for this section
        // but with some minor modifications then it may be expedient to copy headers/footers
        // from the previous section and apply the necessary modifications where we want them.
        CopyHeadersFootersFromPreviousSection(currentSection);

        // Find the footer that we want to change.
        System::SharedPtrprimaryFooter = currentSection->get_HeadersFooters()->idx_get(HeaderFooterType::FooterPrimary);

        System::SharedPtrrow = primaryFooter->get_Tables()->idx_get(0)->get_FirstRow();
        row->get_FirstCell()->get_CellFormat()->set_PreferredWidth(PreferredWidth::FromPercent(100 / 3));
        row->get_LastCell()->get_CellFormat()->set_PreferredWidth(PreferredWidth::FromPercent(100 * 2 / 3));

        System::String outputPath = outputDataDir + u"CreateHeaderFooter.docx";

        // Save the resulting document.
        doc->Save(outputPath);
}


使用C ++删除Word文档中的页眉和页脚

与添加类似，可以根据需要从标题，偶数和奇数页中删除页眉和页脚。以下是删除Word文档中所有页眉和页脚的步骤。

• 使用Document类加载Word文档。
  
• 创建HeaderFooter类的两个实例以表示页眉和页脚。
  
• 使用Section-> get_HeadersFooters（）-> idx_get（Aspose :: Words :: HeaderFooterType headerFooterType）方法检索标题，偶数页和奇数页的页眉和页脚。
  
• 使用HeaderFooter-> Remove（）方法删除页眉和页脚。
  
• 使用Document-> Save（System :: String fileName）方法保存Word文档 。
  

下面的示例代码显示了如何使用C ++删除Word文档中的所有页眉和页脚。
// Source and output directory paths.
System::String inputDataDir = u"SourceDirectory\\";
System::String outputDataDir = u"OutputDirectory\\";

System::SharedPtr<Document> doc = System::MakeObject<Document>(inputDataDir + u"SampleHeaderFooter.docx");

for (System::SharedPtr<Section> section : System::IterateOver<System::SharedPtr<Section>>(doc))
{
        // Up to three different header and footers are possible in a section (for first, even and odd pages).
        // We check and delete all of them.
        System::SharedPtr<HeaderFooter> header;
        System::SharedPtr<HeaderFooter> footer;

        header = section->get_HeadersFooters()->idx_get(HeaderFooterType::HeaderFirst);
        footer = section->get_HeadersFooters()->idx_get(HeaderFooterType::FooterFirst);
        if (header != nullptr)
        {
                header->Remove();
        }
        if (footer != nullptr)
        {
                footer->Remove();
        }

        // Primary header and footer is used for odd pages.
        header = section->get_HeadersFooters()->idx_get(HeaderFooterType::HeaderPrimary);
        footer = section->get_HeadersFooters()->idx_get(HeaderFooterType::FooterPrimary);
        if (header != nullptr)
        {
                header->Remove();
        }
        if (footer != nullptr)
        {
                footer->Remove();
        }

        header = section->get_HeadersFooters()->idx_get(HeaderFooterType::HeaderEven);
        footer = section->get_HeadersFooters()->idx_get(HeaderFooterType::FooterEven);
        if (header != nullptr)
        {
                header->Remove();
        }
        if (footer != nullptr)
        {
                footer->Remove();
        }
}

// Output file path
System::String outputPath = outputDataDir + u"RemoveFooters.docx";

// Save the document.
doc->Save(outputPath);

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