可以使用Free Spire.Doc for Java在word文档中添加文本水印或图片水印。Free Spire.Doc for Java下载链接:网页链接
1.添加文本水印——代码如下:
import com.spire.doc.*
import com.spire.doc.documents.WatermarkLayout
import java.awt.*
public class WordTextWatermark {
public static void main(String[] args) {
Document document = new Document()
document.loadFromFile("Sample.docx")
insertTextWatermark(document.getSections().get(0))
}
private static void insertTextWatermark(Section section) {
TextWatermark txtWatermark = new TextWatermark()
txtWatermark.setText("内部使用")
txtWatermark.setFontSize(40)
txtWatermark.setColor(Color.red)
txtWatermark.setLayout(WatermarkLayout.Diagonal)
section.getDocument().setWatermark(txtWatermark)
}
}
2.添加图片水印——代码如下:
import com.spire.doc.*
public class WordImageWatermark {
public static void main(String[] args) throws Exception{
Document document = new Document()
document.loadFromFile("Sample.docx")
PictureWatermark picture = new PictureWatermark()
picture.setPicture("logo.png")
picture.setScaling(5)
picture.isWashout(false)
document.setWatermark(picture)
document.saveToFile("out/result2.docx",FileFormat.Docx )
}
}
通过设置页面,点击添加水印即可通过设置页面,点击添加水印就可以,或则到“控制面板”-“打印机和传真”里面,把“adobe PDF”打印机改名为“PDF”,就可以打印成pdf了。
添加水印可以参考使用控件来添加的方法,如下:
1. 添加单个图片水印效果:
import com.spire.pdf.*
import java.awt.geom.Rectangle2D
public class watermark {
public static void main(String[] args) {
//加载PDF文档
PdfDocument doc = new PdfDocument()
doc.loadFromFile("C:\\Users\\Administrator\\Desktop\\Sample.pdf")
//获取第一页
PdfPageBase page = doc.getPages().get(0)
//设置背景图片
page.setBackgroundImage("C:\\Users\\Administrator\\Desktop\\logo.png")
//设置背景区域
Rectangle2D.Float rect = new Rectangle2D.Float()
rect.setRect(280, 300, 150, 150)
page.setBackgroundRegion(rect)
//保存文档
doc.saveToFile("output/imageWaterMark.pdf")
doc.close()
}
}
2. 添加平铺图片水印效果
import com.spire.pdf.*
import com.spire.pdf.graphics.PdfImage
import com.spire.pdf.graphics.PdfTilingBrush
import java.awt.*
import java.awt.geom.Dimension2D
import java.awt.geom.Rectangle2D
public class AddBackground {
public static void main(String[] args) {
//创建PdfDocument对象,并加载PDF测试文档
PdfDocument pdf = new PdfDocument()
pdf.loadFromFile("test.pdf")
//遍历文档每一页,加载图片,并设置成平铺背景(水印)
for (int i = 0i <pdf.getPages().getCount()i++)
{
PdfPageBase page = pdf.getPages().get(i)
Dimension2D dimension2D = new Dimension()
dimension2D.setSize(page.getCanvas().getSize().getWidth()/4, page.getCanvas().getSize().getHeight()/3)
PdfTilingBrush brush = new PdfTilingBrush(dimension2D)
brush.getGraphics().setTransparency(0.2f)
brush.getGraphics().translateTransform(brush.getSize().getWidth()/10,brush.getSize().getHeight()/10)
brush.getGraphics().rotateTransform(30)
PdfImage image = PdfImage.fromImage("logo.png")
brush.getGraphics().drawImage(image,brush.getSize().getWidth()-image.getWidth()/2,(brush.getSize().getHeight())/2)
Rectangle2D rectangle2D = new Rectangle2D.Float()
rectangle2D.setFrame(new Point(0,0),page.getCanvas().getClientSize())
page.getCanvas().drawRectangle(brush,rectangle2D)
}
//保存文档
pdf.saveToFile("SetTiledBackground.pdf")
pdf.dispose()
}
}
注:这里使用的是free Spire.Pdf.jar(以上代码参考自文章1、文章2)