pdf文件解析，用文件流方式处理

import java.io.ByteArrayOutputStream; import java.io.File; import java.io.OutputStreamWriter; import org.pdfbox.pdmodel.PDDocument; import org.pdfbox.util.PDFTextStripper; public class Pdftext { public static String getTxt(File f) throws Exception { String ts = ""; try { String temp = ""; PDDocument pdfdocument = PDDocument.load(f); ByteArrayOutputStream out = new ByteArrayOutputStream(); OutputStreamWriter writer = new OutputStreamWriter(out); PDFTextStripper stripper = new PDFTextStripper(); stripper.writeText(pdfdocument.getDocument(), writer); pdfdocument.close(); out.close(); writer.close(); byte[] contents = out.toByteArray(); ts = new String(contents); System.out.println(f.getName() + "length is:" + contents.length + "\n"); } catch (Exception e) { e.printStackTrace(); } finally { return ts; } } public static void main(String[] args) throws Exception { File file = new File("d:/hello.pdf"); System.out.println(Pdftext.getTxt(file)); /* File file = new File("d:/hello.pdf"); FileInputStream fis = new FileInputStream(file); BufferedInputStream bis = new BufferedInputStream(fis); PDFParser parser = new PDFParser(bis); // parser.parse(); PDDocument document = parser.getPDDocument(); PDFTextStripper stripper = new PDFTextStripper(); String s = stripper.getText(document); // //////////// document.close();// ///////// bis.close(); // ////////// File ff = new File("d:/hello.pdf"); ff.createNewFile(); if (ff.exists()) { ff.createNewFile(); } FileWriter fw = new FileWriter(ff); BufferedWriter bw = new BufferedWriter(fw); bw.write(s); bw.close();*/ } }