电子发票识别，电子发票解析，可识别 电子普票 电子专票 pdf ofd格式解析，数电票pdf解析

package com.sanluan.einvoice.service; import java.awt.Rectangle; import java.io.File; import java.io.IOException; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.Map; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.lang3.StringUtils; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDPage; import org.apache.pdfbox.text.PDFTextStripper; import org.apache.pdfbox.text.PDFTextStripperByArea; /** * 专用于处理电子发票识别的类 * * @author arthurlee * */ public class PdfInvoiceExtractor { public static Invoice extract(File file) throws IOException { Invoice invoice = new Invoice(); PDDocument doc = PDDocument.load(file); PDPage firstPage = doc.getPage(0); int pageWidth = Math.round(firstPage.getCropBox().getWidth()); PDFTextStripper textStripper = new PDFTextStripper(); textStripper.setSortByPosition(true); String fullText = textStripper.getText(doc); if (firstPage.getRotation() != 0) { pageWidth = Math.round(firstPage.getCropBox().getHeight()); } String allText = replace(fullText).replaceAll("（", "(").replaceAll("）", ")").replaceAll("￥", "¥"); { String reg = "机器编号:(?<machineNumber>\\d{12})|发票代码:(?<code>\\d{12})|发票号码:(?<number>\\d{8})|:(?<date>\\d{4}年\\d{2}月\\d{2}日)" + "|校验码:(?<checksum>\\d{20}|\\S{4,})"; Pattern pattern = Pattern.compile(reg); Matcher matcher = pattern.matcher(allText); while (matcher.find()) { if (matcher.group("machineNumber") != null) { invoice.setMachineNumber(matcher.group("machineNumber")); } else if (matcher.group("code") != null) { invoice.setCode(matcher.group("code")); } else if (matcher.group("number") != null) { invoice.setNumber(matcher.group("number")); } else if (matcher.group("date") != null) { invoice.setDate(matcher.group("date")); } else if (matcher.group("checksum") != null) { invoice.setChecksum(matcher.group("checksum")); } } } { String reg = "合计¥?(?<amount>[^ \\f\\n\\r\\t\\v\\*]*)(?:¥?(?<taxAmount>\\S*)|\\*+)\\s"; Pattern pattern = Pattern.compile(reg); Matcher matcher = pattern.matcher(allText); if (matcher.find()) { try { invoice.setAmount(new BigDecimal(matcher.group("amount"))); } catch (Exception e) { } try { invoice.setTaxAmount(new BigDecimal(matcher.group("taxAmount"))); } catch (Exception e) { invoice.setTaxAmount(new BigDecimal(0)); } } } if (null == invoice.getAmount()) { String reg = "合\\u0020*计\\u0020*¥?(?<amount>[^ ]*)\\u0020+¥?(?:(?<taxAmount>\\S*)|\\*+)\\s"; Pattern pattern = Pattern.compile(reg); Matcher matcher = pattern.matcher(fullText); if (matcher.find()) { try { invoice.setAmount(new BigDecimal(matcher.group("amount"))); } catch (Exception e) { invoice.setAmount(new BigDecimal(0)); } try { invoice.setTaxAmount(new BigDecimal(matcher.group("taxAmount"))); } catch (Exception e) { invoice.setTaxAmount(new BigDecimal(0)); } } } { String reg = "价税合计\\u0028大写\\u0029(?<amountString>\\S*)\\u0028小写\\u0029¥?(?<amount>\\S*)\\s"; Pattern pattern = Pattern.compile(reg); Matcher matcher = pattern.matcher(allText); if (matcher.find()) { invoice.setTotalAmountString(matcher.group("amountString")); try { invoice.setTotalAmount(new BigDecimal(matcher.group("amount"))); } catch (Exception e) { invoice.setTotalAmount(new BigDecimal(0)); } } } { String reg = "收款人:(?<payee>\\S*)复核:(?<reviewer>\\S*)开票人:(?<drawer>\\S*)销售方"; Pattern pattern = Pattern.compile(reg); Matcher matcher = pattern.matcher(allText); if (matcher.find()) { invoice.setPayee(matcher.group("payee")); invoice.setReviewer(matcher.group("reviewer")); invoice.setDrawer(matcher.group("drawer")); } if (allText.indexOf("通行费") > 0 && allText.indexOf("车牌号") > 0) { invoice.setType("通行费"); } Pattern type00Pattern = Pattern.compile("(?<p>\\S*)通发票"); Matcher m00 = type00Pattern.matcher(allText); if (m00.find()) { invoice.setTitle(m00.group("p").replaceAll("(?:国|统|一|发|票|监|制)", "") + "通发票"); if (null == invoice.getType()) { invoice.setType("普通发票"); } } else { Pattern type01Pattern = Pattern.compile("(?<p>\\S*)用发票"); Matcher m01 = type01Pattern.matcher(allText); if (m01.find()) { invoice.setTitle(m01.group("p").replaceAll("(?:国|统|一|发|票|监|制)", "") + "用发票"); if (null == invoice.getType()) { invoice.setType("专用发票"); } } } } PDFKeyWordPosition kwp = new PDFKeyWordPosition(); Map<String, List<Position>> positionListMap = kwp .getCoordinate(Arrays.asList("机器编号", "税率", "价税合计", "合计", "开票日期", "规格型号", "车牌号", "开户行及账号", "密", "码", "区"), doc); PDFTextStripperByArea stripper = new PDFTextStripperByArea(); stripper.setSortByPosition(true); PDFTextStripperByArea detailStripper = new PDFTextStripperByArea(); detailStripper.setSortByPosition(true); { Position machineNumber; if (positionListMap.get("机器编号").size() > 0) { machineNumber = positionListMap.get("机器编号").get(0); } else { machineNumber = positionListMap.get("开票日期").get(0); machineNumber.setY(machineNumber.getY() + 30); } Position taxRate = positionListMap.get("税率").get(0); Position totalAmount = positionListMap.get("价税合计").get(0); Position amount = positionListMap.get("合计").get(0); Position model = null; if (!positionListMap.get("规格型号").isEmpty()) { model = positionListMap.get("规格型号").get(0); } else { model = positionListMap.get("车牌号").get(0); model.setX(model.getX() - 15); } List<Position> account = positionListMap.get("开户行及账号"); Position buyer; Position seller; if (account.size() < 2) { buyer = new Position(51, 122); seller = new Position(51, 341); } else { buyer = account.get(0); seller = account.get(1); } int maqX = 370; List<Position> mi = positionListMap.get("密"); List<Position> ma = positionListMap.get("码"); List<Position> qu = positionListMap.get("区"); for (int i = 0; i < mi.size();