增值税电子发票识别-OCR

设置草图

回复：发票获取源代码

源码：

发票类型类：

public enum InvoiceType {PLAIN_INVOICE("增值税电子普通发票", "0");String name;String type;InvoiceType(String name, String type){this.name = name;this.type = type;}public String getName() {return name;}public String getType() {return type;}public static InvoiceType getByName(String name){return Arrays.stream(InvoiceType.values()).filter((n)-> n.name.equals(name) ).findFirst().orElse(null);}@Overridepublic String toString() {return "InvoiceType{" +"name='" + name + '\'' +", type='" + type + '\'' +'}';}
}

发票信息类：

@Data
public class InvoiceInfo {//购方信息private String purchaserName;private String purchaserTaxNo;private String purchaserAddr;private String purchaserTel;private String purchaserAddrAndTel;private String purchaserBank;private String purchaserBankNo;private String purchaserBankAndNo;//销方信息private String sellerName;private String sellerTaxNo;private String sellerAddr;private String sellerTel;private String sellerAddrAndTel;private String sellerBank;private String sellerBankNo;private String sellerBankAndNo;private String invoiceNo;private String invoiceCode;private String invoiceType;//开票日期 格式：yyyy-MM-ddprivate String kprq;//密码区private String secretArea;//校验码private String checkCode;//含税金额private String hsje;//不含税金额private String bhsje;//税额private String se;//备注private String remark;//收款人private String skr;//复核人private String fhr;//开票人private String kpr;
}

pdf扫描工具：

public class ScanPdfInvoiceUtils {public InvoiceInfo ocrInvoice(String filePath) throws IOException {InvoiceInfo info = new InvoiceInfo();File file = Paths.get(filePath).toFile();InputStream in = new FileInputStream(file);RandomAccessRead rbuffer = new RandomAccessBuffer(in);PDFParser parser = new PDFParser(rbuffer);parser.parse();PDDocument document = parser.getPDDocument();PDPageTree pageTree = document.getPages();Iterator<PDPage> it = pageTree.iterator();while (it.hasNext()) {PDPage pdPage = (PDPage) it.next();PDResources pdResources = pdPage.getResources();Iterable<COSName> iterable = pdResources.getXObjectNames();if (iterable != null) {Iterator<COSName> iter = iterable.iterator();
//              while (iter.hasNext()) {COSName cosName = iter.next();System.out.println(">>>>>>>>>>>" + cosName.getName());
//              }}}int pages = document.getNumberOfPages();PDFTextStripper stripper = new PDFTextStripper();// 设置按序输出stripper.setSortByPosition(true);stripper.setStartPage(1);stripper.setEndPage(pages);String content = stripper.getText(document);System.out.println(content);document.close();rbuffer.close();in.close();return info;}public InvoiceInfo ocrInoivceArea(String filePath) throws IOException {InvoiceInfo info = new InvoiceInfo();File file = Paths.get(filePath).toFile();InputStream in = new FileInputStream(file);RandomAccessRead rbuffer = new RandomAccessBuffer(in);PDFParser parser = new PDFParser(rbuffer);parser.parse();PDDocument document = parser.getPDDocument();PDPage pdPage = document.getPage(0);System.out.println(pdPage.getCropBox().getHeight());System.out.println(pdPage.getCropBox().getWidth());PDFTextStripperByArea area = new PDFTextStripperByArea();area.setSortByPosition(true);area.addRegion("invoiceType", new Rectangle2D.Double(190,0,210,90));area.addRegion("invoiceRightT", new Rectangle2D.Double(417,0,171,90));area.addRegion("secretArea", new Rectangle2D.Double(355,59,354,84));area.addRegion("purchaser", new Rectangle2D.Double(40,95,200,60));area.addRegion("seller", new Rectangle2D.Double(42,291,171,60));area.addRegion("remark", new Rectangle2D.Double(360,297,208,57));area.addRegion("hsje", new Rectangle2D.Double(471,280,105,17));area.addRegion("bhsje", new Rectangle2D.Double(381,253,88,17));area.addRegion("se", new Rectangle2D.Double(500,253,88,17));area.addRegion("skr", new Rectangle2D.Double(30,360,120,15));area.addRegion("fhr", new Rectangle2D.Double(180,360,120,15));area.addRegion("kpr", new Rectangle2D.Double(310,360,80,15));area.extractRegions(pdPage);area.getRegions().stream().forEach((name)->{String temp = area.getTextForRegion(name);switch (name){case "invoiceType":if (temp.contains(InvoiceType.PLAIN_INVOICE.getName()) || temp.contains("普")){info.setInvoiceType(InvoiceType.PLAIN_INVOICE.getType());}break;case "hsje":if (null != temp && !temp.isEmpty()){info.setHsje(temp.replaceAll("￥", "").trim());}break;case "bhsje":if (null != temp && !temp.isEmpty()){info.setBhsje(temp.replaceAll("￥", "").trim());}break;case "se":if (null != temp && !temp.isEmpty()){info.setSe(temp.replaceAll("￥", "").trim());}break;case "secretArea":info.setSecretArea(temp);break;case "invoiceRightT":Object[] sp = Arrays.stream(temp.split("\n")).map(s-> {String xx = subString(s);xx = StringUtils.replaceAll(xx, "\\s*", "");return StringUtils.replaceAll(xx, "[^\\x00-\\xff]", "");}).toArray();info.setInvoiceCode(Objects.toString(sp[0]));info.setInvoiceNo(Objects.toString(sp[1]));info.setKprq(Objects.toString(sp[2]));info.setCheckCode(Objects.toString(sp[3]));break;default: break;}});document.close();rbuffer.close();in.close();saveAsPng(filePath, info);return info;}public static void saveAsPng(String filePath, InvoiceInfo info) throws IOException {File file = Paths.get(filePath).toFile();InputStream in = new FileInputStream(file);RandomAccessRead rbuffer = new RandomAccessBuffer(in);PDFParser parser = new PDFParser(rbuffer);parser.parse();PDDocument document = parser.getPDDocument();PDFRenderer pdfRenderer = new PDFRenderer(document);BufferedImage img = pdfRenderer.renderImageWithDPI(0, 300f);//备注BufferedImage remarkImg = img.getSubimage(1517,1221, 954, 233);byte[] remkarB = OcrUtils.imageToBytes(remarkImg);info.setRemark(OcrUtils.ocrImg(remkarB));//收款人、复核人、开票人BufferedImage threeImg = img.getSubimage(83,1458, 705, 183);byte[] threeB = OcrUtils.imageToBytes(threeImg);String threeS = OcrUtils.ocrImg(threeB);threeS = StringUtils.replaceAll(threeS, "\\s*", "");threeS = subString(threeS);info.setSkr(threeS);threeImg = img.getSubimage(790,1458, 509, 183);threeB = OcrUtils.imageToBytes(threeImg);threeS = OcrUtils.ocrImg(threeB);threeS = StringUtils.replaceAll(threeS, "\\s*", "");threeS = subString(threeS);info.setFhr(threeS);threeImg = img.getSubimage(1300,1458, 499, 183);threeB = OcrUtils.imageToBytes(threeImg);threeS = OcrUtils.ocrImg(threeB);threeS = StringUtils.replaceAll(threeS, "\\s*", "");threeS = subString(threeS);info.setKpr(threeS);//销方信息BufferedImage sellerImg;byte[] sellerB;String sellerS;sellerImg = img.getSubimage(183,1214, 1260, 60);sellerB = OcrUtils.imageToBytes(sellerImg);sellerS = OcrUtils.ocrImg(sellerB);sellerS = StringUtils.replaceAll(sellerS, "\\s*", "");sellerS = subString(sellerS);info.setSellerName(sellerS);sellerImg = img.getSubimage(183,1271, 1260, 60);sellerB = OcrUtils.imageToBytes(sellerImg);sellerS = OcrUtils.ocrImg(sellerB);sellerS = StringUtils.replaceAll(sellerS, "\\s*", "");sellerS = subString(sellerS);info.setSellerTaxNo(sellerS);sellerImg = img.getSubimage(183,1335, 1260, 60);sellerB = OcrUtils.imageToBytes(sellerImg);sellerS = OcrUtils.ocrImg(sellerB);sellerS = StringUtils.replaceAll(sellerS, "\\s*", "");sellerS = subString(sellerS);info.setSellerAddrAndTel(sellerS);sellerImg = img.getSubimage(183,1393, 1260, 60);sellerB = OcrUtils.imageToBytes(sellerImg);sellerS = OcrUtils.ocrImg(sellerB);sellerS = StringUtils.replaceAll(sellerS, "\\s*", "");sellerS = subString(sellerS);info.setSellerBankAndNo(sellerS);//购方信息sellerImg = img.getSubimage(172,348, 1270, 69);sellerB = OcrUtils.imageToBytes(sellerImg);sellerS = OcrUtils.ocrImg(sellerB);sellerS = StringUtils.replaceAll(sellerS, "\\s*", "");sellerS = subString(sellerS);info.setPurchaserName(sellerS);sellerImg = img.getSubimage(172,417, 1270, 69);sellerB = OcrUtils.imageToBytes(sellerImg);sellerS = OcrUtils.ocrImg(sellerB);sellerS = StringUtils.replaceAll(sellerS, "\\s*", "");sellerS = subString(sellerS);info.setPurchaserTaxNo(sellerS);sellerImg = img.getSubimage(172,486, 1270, 69);sellerB = OcrUtils.imageToBytes(sellerImg);sellerS = OcrUtils.ocrImg(sellerB);sellerS = StringUtils.replaceAll(sellerS, "\\s*", "");sellerS = subString(sellerS);info.setPurchaserAddrAndTel(sellerS);sellerImg = img.getSubimage(172,555, 1270, 69);sellerB = OcrUtils.imageToBytes(sellerImg);sellerS = OcrUtils.ocrImg(sellerB);sellerS = StringUtils.replaceAll(sellerS, "\\s*", "");sellerS = subString(sellerS);info.setPurchaserBankAndNo(sellerS);document.close();rbuffer.close();in.close();}private static String subString(String str){if (str.contains(":")){str = StringUtils.substringAfterLast(str, ":");}else if(str.contains("：")){str = StringUtils.substringAfterLast(str, "：");}return str;}/*** 长：系数0.2345* 宽：系数0.2388* @param args* @throws IOException*/public static void main(String[] args) throws IOException {ScanPdfInvoiceUtils pdfInvoiceUtils = new ScanPdfInvoiceUtils();InvoiceInfo info = pdfInvoiceUtils.ocrInoivceArea("/Users/grant/Pictures/03300180011130339349.pdf");System.out.println(JSONUtil.toJsonStr(info));//        pdfInvoiceUtils.saveAsPng("/Users/grant/Pictures/03300180011130339349.pdf");}
}

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增值税电子发票识别-OCR

源码：

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