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C＃ 给Word每一页设置不同文字水印
2022-07-27 09:23:00 【Eiceblue】
Word中设置水印时，可使用预设的文字或自定义文字设置为水印效果，但通常添加水印效果时，会对所有页面都设置成统一效果，如果需要对每一页或者某个页面设置不同的水印效果，则可以参考本文中的方法。下面，将以C# 代码为例，对Word每一页设置不同的文字水印效果作详细介绍。
方法思路
在给Word每一页添加文字水印前，首先需要在Word文档每一页正文的最后一个字符后面插入“连续”分节符，然后在每一节的页眉段落里添加艺术字形状，并设置形状大小、对齐方式等。最后保存文档。
dll引用
方法1
在程序中引入Spire.Doc.dll文件；将Spire.Doc for .NET下载到本地，解压，找到BIN文件夹下的Spire.Doc.dll。然后在Visual Studio中打开“解决方案资源管理器”，鼠标右键点击“引用”，“添加引用”，将本地路径BIN文件夹下的dll文件添加引用至程序。
方法2
通过NuGet安装。可通过以下2种方法安装：
1.可以在Visual Studio中打开“解决方案资源管理器”，鼠标右键点击“引用”，“管理NuGet包”，然后搜索“Spire.Doc”，点击“安装”。等待程序安装完成。
2.将以下内容复制到PM控制台安装。
Install-Package Spire.Doc -Version 10.1.14代码示例
给每页添加文字水印时，可参考如下步骤：
- 创建Document类的对象，并通过LoadFromFile(string fileName)方法加载Word文档。
- 通过Document.Sections[]属性获取指定节。
- 通过HeadersFooters.Header属性获取页眉，HeaderFooter.AddParagraph()方法添加段落到页眉。
- 创建ShapeObject类的对象，并传入参数设置形状类型为TextPlainText类型的艺术字。并调用方法设置艺术字样式，如艺术字高度、宽度、旋转、颜色、对齐方式等。
- 使用DocumentObjectCollection.Add(IDocumentObject)方法将艺术字添加到段落。
- 最后，通过Document.SaveToFile(string fileName, FileFormat fileFormat)方法保存文档。
不同页面中设置不一样的文字水印效果，只需要获取该页面对应的节，然后参考上述用到的方法来添加即可。
C#
using Spire.Doc;
using Spire.Doc.Documents;
using Spire.Doc.Fields;
using System.Drawing;
namespace TextWatermark2
{
class Program
{
static void Main(string[] args)
{
//加载Word测试文档
Document doc = new Document();
doc.LoadFromFile("test.docx");
//获取文档第一节
Section section1 = doc.Sections[0];
//定义水印文字的纵向坐标位置
float y = section1.PageSetup.PageSize.Height/3;
//添加文字水印1
HeaderFooter header1 = section1.HeadersFooters.Header;//获取页眉
header1.Paragraphs.Clear();//删除原有页眉格式的段落
Paragraph para1 = header1.AddParagraph();//重新添加段落
//添加艺术字并设置大小
ShapeObject shape1 = new ShapeObject(doc, ShapeType.TextPlainText);
shape1.Width = 362;
shape1.Height = 118;
//设置艺术字文本内容、位置及样式(即文本水印字样）
shape1.Rotation = 315;
shape1.WordArt.Text = "内部使用";
shape1.FillColor = Color.ForestGreen;
shape1.LineStyle = ShapeLineStyle.Single;
shape1.StrokeColor = Color.ForestGreen;
shape1.StrokeWeight = 0.5;
shape1.VerticalPosition = y;
shape1.HorizontalAlignment = ShapeHorizontalAlignment.Center;
para1.ChildObjects.Add(shape1);
//同理设置第二节页眉中的文字水印2
Section section2 = doc.Sections[1];
HeaderFooter header2 = section2.HeadersFooters.Header;
header2.Paragraphs.Clear();
Paragraph para2 = header2.AddParagraph();
ShapeObject shape2 = new ShapeObject(doc, ShapeType.TextPlainText);
shape2.Width = 362;
shape2.Height = 118;
shape2.Rotation = 315;
shape2.WordArt.Text = "绝密资料";
shape2.FillColor = Color.HotPink;
shape2.LineStyle = ShapeLineStyle.Single;
shape2.StrokeColor = Color.HotPink;
shape2.StrokeWeight = 0.5;
shape2.VerticalPosition = y;
shape2.HorizontalAlignment = ShapeHorizontalAlignment.Center;
para2.ChildObjects.Add(shape2);
//同理设置第三节中的页眉中的文字水印3
Section section3 = doc.Sections[2];
HeaderFooter header3 = section3.HeadersFooters.Header;
header3.Paragraphs.Clear();
Paragraph para3 = header3.AddParagraph();
ShapeObject shape3 = new ShapeObject(doc, ShapeType.TextPlainText);
shape3.Width = 362;
shape3.Height = 118;
shape3.Rotation = 315;
shape3.WordArt.Text = "禁止传阅";
shape3.FillColor = Color.DarkOrange;
shape3.LineStyle = ShapeLineStyle.Single;
shape3.StrokeColor = Color.DarkOrange;
shape3.StrokeWeight = 0.5;
shape3.VerticalPosition = y;
shape3.HorizontalAlignment = ShapeHorizontalAlignment.Center;
para3.ChildObjects.Add(shape3);
//保存文档
doc.SaveToFile("DifferentTextWatermark.docx", FileFormat.Docx2013);
System.Diagnostics.Process.Start("DifferentTextWatermark.docx");
}
}
}
VB.NET
Imports Spire.Doc
Imports Spire.Doc.Documents
Imports Spire.Doc.Fields
Imports System.Drawing
Namespace TextWatermark2
Class Program
Private Shared Sub Main(args As String())
'加载Word测试文档
Dim doc As New Document()
doc.LoadFromFile("test.docx")
'获取文档第一节
Dim section1 As Section = doc.Sections(0)
'定义水印文字的纵向坐标位置
Dim y As Single = section1.PageSetup.PageSize.Height / 3
'添加文字水印1
Dim header1 As HeaderFooter = section1.HeadersFooters.Header
'获取页眉
header1.Paragraphs.Clear()
'删除原有页眉格式的段落
Dim para1 As Paragraph = header1.AddParagraph()
'重新添加段落
'添加艺术字并设置大小
Dim shape1 As New ShapeObject(doc, ShapeType.TextPlainText)
shape1.Width = 362
shape1.Height = 118
'设置艺术字文本内容、位置及样式(即文本水印字样）
shape1.Rotation = 315
shape1.WordArt.Text = "内部使用"
shape1.FillColor = Color.ForestGreen
shape1.LineStyle = ShapeLineStyle.[Single]
shape1.StrokeColor = Color.ForestGreen
shape1.StrokeWeight = 0.5
shape1.VerticalPosition = y
shape1.HorizontalAlignment = ShapeHorizontalAlignment.Center
para1.ChildObjects.Add(shape1)
'同理设置第二节页眉中的文字水印2
Dim section2 As Section = doc.Sections(1)
Dim header2 As HeaderFooter = section2.HeadersFooters.Header
header2.Paragraphs.Clear()
Dim para2 As Paragraph = header2.AddParagraph()
Dim shape2 As New ShapeObject(doc, ShapeType.TextPlainText)
shape2.Width = 362
shape2.Height = 118
shape2.Rotation = 315
shape2.WordArt.Text = "绝密资料"
shape2.FillColor = Color.HotPink
shape2.LineStyle = ShapeLineStyle.[Single]
shape2.StrokeColor = Color.HotPink
shape2.StrokeWeight = 0.5
shape2.VerticalPosition = y
shape2.HorizontalAlignment = ShapeHorizontalAlignment.Center
para2.ChildObjects.Add(shape2)
'同理设置第三节中的页眉中的文字水印3
Dim section3 As Section = doc.Sections(2)
Dim header3 As HeaderFooter = section3.HeadersFooters.Header
header3.Paragraphs.Clear()
Dim para3 As Paragraph = header3.AddParagraph()
Dim shape3 As New ShapeObject(doc, ShapeType.TextPlainText)
shape3.Width = 362
shape3.Height = 118
shape3.Rotation = 315
shape3.WordArt.Text = "禁止传阅"
shape3.FillColor = Color.DarkOrange
shape3.LineStyle = ShapeLineStyle.[Single]
shape3.StrokeColor = Color.DarkOrange
shape3.StrokeWeight = 0.5
shape3.VerticalPosition = y
shape3.HorizontalAlignment = ShapeHorizontalAlignment.Center
para3.ChildObjects.Add(shape3)
'保存文档
doc.SaveToFile("DifferentTextWatermark.docx", FileFormat.Docx2013)
System.Diagnostics.Process.Start("DifferentTextWatermark.docx")
End Sub
End Class
End Namespace
如图，每一页均可显示不同的文字水印效果：
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