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This article mainly explains "how to use Java to add watermark effect in Excel file", the content of the article is simple and clear, easy to learn and understand, now please follow the editor's train of thought slowly in depth, together to study and learn "how to use Java to add watermark effect in Excel file"!

Program environment:

Test documentation: Office Excel 2013

Compilation environment: IntelliJ IDEA 2018

JDK version: 1.8.0

Excel Library: Java Series free spire.xls.jar 3.9.1

1. Single watermark effect import com.spire.xls.*;import java.awt.*;import java.awt.image.BufferedImage;import static java.awt.image.BufferedImage.TYPE_INT_ARGB;public class SingleWatermark {public static void main (String [] args) {/ / load Excel test document Workbook wb = new Workbook (); wb.loadFromFile ("test.xlsx") / / set text and font size Font font = new Font ("imitating Song", Font.PLAIN, 40); for (int I = 0polii

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