PDFBox解析PDF文档信息（属性、内容、图片）

Java代码

import java.io.File;

import java.io.FileInputStream;

import java.io.InputStream;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Set;

import org.apache.pdfbox.pdmodel.PDDocument;

import org.apache.pdfbox.pdmodel.PDDocumentCatalog;

import org.apache.pdfbox.pdmodel.PDDocumentInformation;

import org.apache.pdfbox.pdmodel.PDPage;

import org.apache.pdfbox.pdmodel.PDResources;

import org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectImage;

import org.apache.pdfbox.util.PDFTextStripper;

/**

* 使用 pdfbox 解析pdf 文档信息

* @author longhuiping

*

*/

public class PDFParse {

public static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";

/**

* 解析pdf文档信息

* @param pdfPath pdf文档路径

* @throws Exception

*/

public static void pdfParse( String pdfPath, String imgSavePath ) throws Exception

{

InputStream input = null;

File pdfFile = new File( pdfPath );

PDDocument document = null;

try{

input = new FileInputStream( pdfFile );

//加载 pdf 文档

document = PDDocument.load( input );

/** 文档属性信息 **/

PDDocumentInformation info = document.getDocumentInformation();

System.out.println( "标题:" + info.getTitle() );

System.out.println( "主题:" + info.getSubject() );

System.out.println( "作者:" + info.getAuthor() );

System.out.println( "关键字:" + info.getKeywords() );

System.out.println( "应用程序:" + info.getCreator() );

System.out.println( "pdf 制作程序:" + info.getProducer() );

System.out.println( "作者:" + info.getTrapped() );

System.out.println( "创建时间:" + dateFormat( info.getCreationDate() ));

System.out.println( "修改时间:" + dateFormat( info.getModificationDate()));

//获取内容信息

PDFTextStripper pts = new PDFTextStripper();

String content = pts.getText( document );

System.out.println( "内容:" + content );

/** 文档页面信息 **/

PDDocumentCatalog cata = document.getDocumentCatalog();

List pages = cata.getAllPages();

int count = 1;

for( int i = 0; i < pages.size(); i++ )

{

PDPage page = ( PDPage ) pages.get( i );

if( null != page )

{

PDResources res = page.findResources();

//获取页面图片信息

Map imgs = res.getImages();

if( null != imgs )

{

Set keySet = imgs.keySet();

Iterator it = keySet.iterator();

while( it.hasNext() )

{

Object obj = it.next();

PDXObjectImage img = ( PDXObjectImage ) imgs.get( obj );

img.write2file( imgSavePath + count );

count++;

}

}

}

}

}catch( Exception e)

{

throw e;

}finally{

if( null != input )

input.close();

if( null != document )

document.close();

}

}

/**

* 获取格式化后的时间信息

* @param dar 时间信息

* @return

* @throws Exception

*/

public static String dateFormat( Calendar calendar ) throws Exception

{

if( null == calendar )

return null;

String date = null;

try{

String pattern = DATE_FORMAT;

SimpleDateFormat format = new SimpleDateFormat( pattern );

date = format.format( calendar.getTime() );

}catch( Exception e )

{

throw e;

}

return date == null ? "" : date;

}

public static void main( String [] args ) throws Exception{

pdfParse("f:/pdf/1.pdf","f:/pdfimg/");

}

}