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This article mainly introduces the relevant knowledge of "how to add watermark in the form by java". The editor shows you the operation process through an actual case. The method of operation is simple, fast and practical. I hope this article "how to add watermark in the form by java" can help you solve the problem.

Add process

1. Load Excel test documents

2. Set text and font size

3. Insert the picture by calling the DrawText () method and set the picture as the header

4. Set the picture as the header, define the width and height of the picture, the text display style and location.

Example

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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