Word Heading 可以作為 Word 文檔中每個部分的標題。本指南演示了管理這些 Word 標題并將它們形成為 C# 和 VB.NET 中的目錄的解決方案。

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在 Word 文檔中，用戶可以設置一些內(nèi)容，例如以下段落的摘要短語，作為標題。這些Word標題可以顯示在整個文檔的第一頁，排列后形成目錄，讓讀者可以得到整個文檔的大綱。本指南中的解決方案介紹了如何通過 Spire.Doc for .NET 在 C# 和 VB.NET 中新創(chuàng)建的文檔中管理帶有編號樣式的 Word 標題，下面的屏幕截圖顯示了管理 Word 標題的結果。

Heading 是段落的一種樣式，Spire.Doc for .NET 為段落提供了幾種 BuiltinStyle 類型。在此示例中，將應用三種 BuiltinStyle 類型：Heading1、Heading2 和 Heading3。接下來，將逐步介紹詳細信息。

首先，初始化一個 Document 實例，并為這個實例添加部分、段落。其次，調(diào)用帶有參數(shù)字符串文本的AppendText方法和Paragraph類的ApplyStyle(BuiltinStyle.Heading1)方法來添加文本并為新添加的段落設置標題樣式。然后，調(diào)用Paragraph 類的ListFromat.ApplyNumberedStyle()方法為其設置編號列表。第三，添加新段落并為其設置 Heading2 樣式作為上一步。使用 Numbered ListType初始化文檔的ListStyle實例。然后，從 ListStyle 初始化一個ListLevel實例，并為此實例設置UsePrevLevelPattern和NumberPrefix屬性。之后，調(diào)用Document類的ListStyleCollection.Add(ListStyle)方法和Paragraph類的ListFormat.ApplyStyle方法，參數(shù)字符串styleName為Heading2添加ListStyle。第四，添加一個新段落并將BuiltinStyle設置為Heading3，并為該段落應用ListStyle作為上一步。最后，調(diào)用 Document 類的 SaveToFile 方法，使用參數(shù)字符串 fileName 和 FileFormat 來保存這個文檔。參考代碼：

[C＃]

using Spire.Doc;
using Spire.Doc.Documents;

namespace WordHeading
{
class Heading
{
static void Main(string[] args)
{
//Create Document
Document document = new Document();
Section section = document.AddSection();
Paragraph paragraph
= section.Paragraphs.Count > 0 ? section.Paragraphs[0] : section.AddParagraph();

//Add Heading 1
paragraph = section.AddParagraph();
paragraph.AppendText(BuiltinStyle.Heading1.ToString());
paragraph.ApplyStyle(BuiltinStyle.Heading1);
paragraph.ListFormat.ApplyNumberedStyle();

//Add Heading 2
paragraph = section.AddParagraph();
paragraph.AppendText(BuiltinStyle.Heading2.ToString());
paragraph.ApplyStyle(BuiltinStyle.Heading2);

//List Style for Headings 2
ListStyle listSty2 = new ListStyle(document, ListType.Numbered);
foreach (ListLevel listLev in listSty2.Levels)
{
listLev.UsePrevLevelPattern = true;
listLev.NumberPrefix = "1.";
}
listSty2.Name = "MyStyle2";
document.ListStyles.Add(listSty2);
paragraph.ListFormat.ApplyStyle(listSty2.Name);

//Add List Style 3
ListStyle listSty3 = new ListStyle(document, ListType.Numbered);
foreach (ListLevel listLev in listSty3.Levels)
{
listLev.UsePrevLevelPattern = true;
listLev.NumberPrefix = "1.1.";
}
listSty3.Name = "MyStyle3";
document.ListStyles.Add(listSty3);

//Add Heading 3
for (int i = 0; i < 4; i++)
{
paragraph = section.AddParagraph();

//Append Text
paragraph.AppendText(BuiltinStyle.Heading3.ToString());

//Apply List Style 3 for Heading 3
paragraph.ApplyStyle(BuiltinStyle.Heading3);
paragraph.ListFormat.ApplyStyle(listSty3.Name);
}

//Save and Launch
document.SaveToFile("Word Headings.docx", FileFormat.Docx);
System.Diagnostics.Process.Start("Word Headings.docx");
}
}
}

[VB.NET]

Imports Spire.Doc
Imports Spire.Doc.Documents

Namespace WordHeading
Friend Class Heading
Shared Sub Main(ByVal args() As String)
'Create Document
Dim document As New Document()
Dim section As Section = document.AddSection()
Dim paragraph As Paragraph = If(section.Paragraphs.Count > 0, section.Paragraphs(0), section.AddParagraph())

'Add Heading 1
paragraph = section.AddParagraph()
paragraph.AppendText(BuiltinStyle.Heading1.ToString())
paragraph.ApplyStyle(BuiltinStyle.Heading1)
paragraph.ListFormat.ApplyNumberedStyle()

'Add Heading 2
paragraph = section.AddParagraph()
paragraph.AppendText(BuiltinStyle.Heading2.ToString())
paragraph.ApplyStyle(BuiltinStyle.Heading2)

'List Style for Headings 2
Dim listSty2 As New ListStyle(document, ListType.Numbered)
For Each listLev As ListLevel In listSty2.Levels
listLev.UsePrevLevelPattern = True
listLev.NumberPrefix = "1."
Next listLev
listSty2.Name = "MyStyle2"
document.ListStyles.Add(listSty2)
paragraph.ListFormat.ApplyStyle(listSty2.Name)

'Add List Style 3
Dim listSty3 As New ListStyle(document, ListType.Numbered)
For Each listLev As ListLevel In listSty3.Levels
listLev.UsePrevLevelPattern = True
listLev.NumberPrefix = "1.1."
Next listLev
listSty3.Name = "MyStyle3"
document.ListStyles.Add(listSty3)

'Add Heading 3
For i As Integer = 0 To 3
paragraph = section.AddParagraph()

'Append Text
paragraph.AppendText(BuiltinStyle.Heading3.ToString())

'Apply List Style 3 for Heading 3
paragraph.ApplyStyle(BuiltinStyle.Heading3)
paragraph.ListFormat.ApplyStyle(listSty3.Name)
Next i

'Save and Launch
document.SaveToFile("Word Headings.docx", FileFormat.Docx)
System.Diagnostics.Process.Start("Word Headings.docx")
End Sub
End Class
End Namespace

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