https://www.e-iceblue.cn/pdf_java_image_shapes/replace-image-with-new-image-in-pdf-in-java.html
maven依赖
<repositories> <repository> <id>com.e-iceblue</id> <url>http://repo.e-iceblue.cn/repository/maven-public/</url> </repository> </repositories>
<dependency> <groupId> e-iceblue </groupId> <artifactId>spire.pdf</artifactId> <version>3.11.6</version> </dependency>