public static String waterMark(String inputFile, String waterMarkName) {
String
newFile
=
""
try {
PdfReader
reader
= new PdfReader(inputFile)
File
input
=new File(inputFile)
String
fileName
=input.getName()
String
filePath
=input.getParent()
newFile
=filePath+
"水印_"
+System.currentTimeMillis()+fileName
System.out.println("newFile："+newFile)
PdfStamper
stamper
= new PdfStamper(reader, new FileOutputStream(
newFile))
BaseFont
base
= BaseFont.createFont(
"STSong-Light"
,
"UniGB-UCS2-H"
, BaseFont.EMBEDDED)
Rectangle
pageRect
= null
PdfGState
gs
= new PdfGState()
gs.setFillOpacity(0.3f)
gs.setStrokeOpacity(0.4f)
int
total
= reader.getNumberOfPages() +
1
JLabel
label
= new JLabel()
FontMetrics metrics
int
textH
=
0
int
textW
=
0
label.setText(waterMarkName)
metrics
= label.getFontMetrics(label.getFont())
textH
= metrics.getHeight()
textW
= metrics.stringWidth(label.getText())
PdfContentByte under
for (int
i
=
1
pageRect
= reader.getPageSizeWithRotation(i)
under
= stamper.getOverContent(i)
under.saveState()
under.setGState(gs)
under.beginText()
under.setFontAndSize(base, 20)
// 水印文字成30度角倾斜
//你可以随心所欲的改你自己想要的角度
for (int
height
= interval + textH
height
= height + textH*
3
) {
for (int
width
= interval + textW
width
= width + textW*
2
) {
under.showTextAligned(Element.ALIGN_LEFT
, waterMarkName, width - textW,
height - textH, 30)
// 添加水印文字
under.endText()
//说三遍
//一定不要忘记关闭流
//一定不要忘记关闭流
//一定不要忘记关闭流
stamper.close()
reader.close()
} catch (Exception e) {
e.printStackTrace()
return newFile
* 测试方法-主入口
public static void main(String
[]
args) {
waterMark('F"/XXX','一枚coding小姐姐!
[]
(https://p3-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/a309bd028c274fa6a4626398050b5187~tplv-k3u1fbpfcp-zoom-1.image)')
一枚coding小姐姐
终极软件攻城狮
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