使用pdfrender、pdfbox、icepdf进行操作pdf转为图片操作
建议使用icepdf
<!-- pdf renderer -->
<dependency>
<groupId>org.swinglabs</groupId>
<artifactId>pdf-renderer</artifactId>
<version>1.0.5</version>
</dependency>
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox</artifactId>
<version>1.8.9</version>
</dependency>
<dependency>
<groupId>org.sejda</groupId>
<artifactId>sejda-icepdf</artifactId>
<version>1.0.0.M10</version>
</dependency>