Office Open XML 打印Word文档目录

public partial class DemoTOC : Form
{
public DemoTOC()
{
InitializeComponent();
}
Random rand = new Random();

private void DemoTOC_Load(object sender, EventArgs e)
{
GenerateContent();
}

private void GenerateContent()
{
TreeNode root = new TreeNode("文档");

int count = rand.Next(5, 25);

GenerateSubNode(root, count,true);
trvContent.Nodes.Add(root);
}

private void GenerateSubNode(TreeNode parentNode, int count,bool isRoot)
{
for (int i = 1; i < count; i++)
{
TreeNode subNode = new TreeNode();

subNode.Text = string.Format(isRoot ? "第{0}章" : "第{0}节", i.ToString());
parentNode.Nodes.Add(subNode);

if (isRoot)
{
int val = rand.Next(5,15);

GenerateSubNode(subNode, val, false);
}
}

}

private void btnGenerate_Click(object sender, EventArgs e)
{
if(trvContent.Nodes.Count ==0 ) return;
TreeNode root = trvContent.Nodes[0];
SaveFileDialog dialog = new SaveFileDialog();
dialog.Filter = "Word document(*.docx)|*.docx";

if (dialog.ShowDialog() != DialogResult.OK) return;
string fileName = dialog.FileName;

using (WordprocessingDocument wdDoc = WordprocessingDocument.Create(fileName, WordprocessingDocumentType.Document))
{
MainDocumentPart mainPart = wdDoc.AddMainDocumentPart();
StyleDefinitionsPart stylePart = mainPart.AddNewPart<StyleDefinitionsPart>();

Styles styles = new Styles();
string styleId = "TOCStyle";

Style style = styles.AppendChild(new Style() { Type = StyleValues.Paragraph, StyleId = styleId });
StyleName styleName = new StyleName(){ Val = "TOC样式"};
style.Append(styleName);
// 段属性
ParagraphProperties pPr = new ParagraphProperties();
// 间距：段前、段后
SpacingBetweenLines spaceing = new SpacingBetweenLines() { Before = "6300", After = "200" };
// 对齐方式
Justification jc = new Justification() { Val = JustificationValues.Center };

pPr.Append(spaceing);
pPr.Append(jc);

// 字体样式
StyleRunProperties rPr = new StyleRunProperties() { Bold = new Bold(), FontSize = new FontSize() { Val = "40" } };

style.Append(pPr);
style.Append(rPr);
// 多级编号
NumberingDefinitionsPart numPart = mainPart.AddNewPart<NumberingDefinitionsPart>();

Numbering numbering = new Numbering();

NumberingInstance num = new NumberingInstance();
AbstractNumId abstractNumId = new AbstractNumId() { Val = 1 };

num.Append(abstractNumId);
numbering.Append(num);

// pPr.NumberingProperties.NumberingId = "1";

numPart.Numbering = numbering;

stylePart.Styles = styles;

Document doc = new Document();
Body body =doc.AppendChild(new Body());
GenerateTOC(body,root,styleId);

mainPart.Document = doc;
}
}

private void GenerateTOC(Body body, TreeNode parentNode,string styleId)
{
foreach (TreeNode subNode in parentNode.Nodes)
{
// 添加一空白段
body.AppendChild(new Paragraph(new Run(new Text())));
// 添加段及应用样式
Paragraph p = body.AppendChild(new Paragraph());
ParagraphProperties newpPr = p.PrependChild(new ParagraphProperties());
newpPr.ParagraphStyleId = new ParagraphStyleId() { Val = styleId };

Run r = p.AppendChild(new Run());
r.AppendChild(new Text(subNode.Text));

// 插入分页符
body.InsertAfter(new Paragraph(new Run(new Break() { Type = BreakValues.Page })), p);
GenerateTOC(body, subNode, styleId);
}
}
}