如何使用java从PDF中提取内容。(How to extract content from a PDF using java.)
问题描述 (Problem Description)
如何使用java从PDF中提取内容。
解决方案 (Solution)
以下是使用java从PDF中提取内容的程序。
import java.io.File;
import java.io.FileInputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.pdf.PDFParser;
import org.apache.tika.sax.BodyContentHandler;
public class ExtractContentFromPDF {
public static void main(String[] args) throws Exception {
BodyContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
FileInputStream inputstream = new FileInputStream(new File(
"C:/tika/pdfExample.pdf"));
ParseContext pcontext = new ParseContext();
//parsing the document using PDF parser
PDFParser pdfparser = new PDFParser();
pdfparser.parse(inputstream, handler, metadata,pcontext);
//getting the content of the document
System.out.println("Contents of the PDF :" + handler.toString());
//getting metadata of the document
System.out.println("Metadata of the PDF:");
String[] metadataNames = metadata.names();
for(String name : metadataNames) {
System.out.println(name+ " : " + metadata.get(name));
}
}
}
输入 (Input)
输出 (Output)
Contents of the document:Sheet1
ID NAME BRANCH PERCENTAGE EMAIL
1 Ram IT 85 ram123@gmail.com
2 Rahim EEE 95 rahim123@gmail.com
3 Robert ECE 90 robert123@gmail.com
Metadata of the document:
date: 2017-05-19T09:35:57Z
extended-properties:AppVersion: 16.0300
meta:creation-date: 2015-06-05T18:17:20Z
extended-properties:Application: Microsoft Excel
extended-properties:Company:
Creation-Date: 2015-06-05T18:17:20Z
dcterms:created: 2015-06-05T18:17:20Z
Last-Modified: 2017-05-19T09:35:57Z
dcterms:modified: 2017-05-19T09:35:57Z
Last-Save-Date: 2017-05-19T09:35:57Z
Application-Version: 16.0300
protected: false
meta:save-date: 2017-05-19T09:35:57Z
Application-Name: Microsoft Excel
modified: 2017-05-19T09:35:57Z
publisher:
Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
dc:publisher:
