官网下载 https://pdfbox.apache.org/download.html
下载 pdfbox-app-3.0.3.jar
cd D:\pdfbox
运行 java -jar pdfbox-app-3.0.3.jar
java -jar pdfbox-app-3.0.3.jar
Usage: pdfbox [COMMAND] [OPTIONS]
Commands:
debug Analyzes and inspects the internal structure of a PDF document
decrypt Decrypts a PDF document
encrypt Encrypts a PDF document
decode Writes a PDF document with all streams decoded
export:images Extracts the images from a PDF document
export:xmp Extracts the xmp stream from a PDF document
export:text Extracts the text from a PDF document
export:fdf Exports AcroForm form data to FDF
export:xfdf Exports AcroForm form data to XFDF
import:fdf Imports AcroForm form data from FDF
import:xfdf Imports AcroForm form data from XFDF
overlay Adds an overlay