Generate barcodes in batches
Controller
@ApiOperation("Product list generates product barcodes in batches")
@PostMapping("/batchGenerateProdBarCode")
public void batchGenerateProdBarCode(@RequestBody ProductListCondition productListCondition,HttpServletResponse response){<!-- -->
importExportService.batchGenerateProdBarCode(response, productListCondition);
}
service
/**
* Product list generates product barcodes in batches
* @param productListCondition
* @return
*/
public void batchGenerateProdBarCode(HttpServletResponse response,ProductListCondition productListCondition){<!-- -->
List<MProductEx> productExList = mProductListDao.selectmproduct(
productListCondition.getProdCdDis(),productListCondition.getBrand());
try {<!-- -->
int dataCount = productExList.stream().filter(f -> StringUtils.isNotEmpty(f.getProdLabel())).collect(Collectors.toList()).size();
if(dataCount == 0){<!-- -->
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "There is no barcode to be generated, please adjust the query conditions and regenerate");
}
if(CollectionUtil.isNotEmpty(productExList)){<!-- -->
String exportFileName = URLEncoder.encode("Product Barcode", "UTF-8") + DateUtil.format(new Date(), "yyyyMMddHHmmss");
response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + exportFileName + ".pdf");
response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
response.setHeader("content-Type", "application/pdf");
generateProdBarcodePDF(productExList, response.getOutputStream(),response);
}else {<!-- -->
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "There is no barcode to be generated, please adjust the query conditions and regenerate");
}
}catch (Exception e){<!-- -->
e.printStackTrace();
}
}
/**
* Batch generate product barcode pdf files and export them to barcode printers
*
* @param productExList barcode data x information
* @param os output stream
* @throwsIOException
*/
public static void generateProdBarcodePDF(List<MProductEx> productExList, OutputStream os,HttpServletResponse response) throws IOException {<!-- -->
Document document = null;
try {<!-- -->
document = new Document(new Rectangle(120F, 85F), 10, 2, 10, 2);
PdfWriter writer = PdfWriter.getInstance(document, os);
document. open();
PdfContentByte cb = writer. getDirectContent();
BaseFont bfChinese = BaseFont.createFont("C:\Windows\Fonts\simsun.ttc,1", BaseFont.IDENTITY_H,
BaseFont.NOT_EMBEDDED);
Font fontChinese = new Font(bfChinese, 2, Font.NORMAL);
Pattern pat = Pattern.compile("[\\一-\\龥]");
Matcher m = null;
for (MProductEx p : productExList) {<!-- -->
m = pat. matcher(p. getProdLabel());
if(StringUtils.isNullOrEmpty(p.getProdLabel()) || m.find()){<!-- -->
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "The product number cannot be Chinese and cannot be empty");
}
document. newPage();
//Create a table with one column
PdfPTable headerTable = new PdfPTable(1);
headerTable.setWidthPercentage(70.0F);
PdfPCell rightCell = new PdfPCell();
Image codeImage = BarcodeUtil.generateBarcodePrefixSuffix(cb, p.getProdLabel(), 22f, 6f);
Phrase imageP = new Phrase("", fontChinese);
//Adjust the offset value by yourself, mainly the negative value goes down
imageP.add(new Chunk(codeImage, 5, -1));
String textNmShow ="Product Name:" + (StringUtils.isNotEmpty(p.getProdNm()) ? p.getProdNm() : "");
String textUnitShow ="Measurement unit:" + (StringUtils.isNotEmpty(p.getUnitNm()) ? p.getUnitNm() : "") ;
String textSpecShow ="Specification: " + (StringUtils.isNotEmpty(p.getSpec()) ? p.getSpec() : "");
String textModelAndUnitShow ="Model:" + (StringUtils.isNotEmpty(p.getModel()) ? p.getModel() : "") +
" " + textUnitShow;
//Chunk chunkCd = new Chunk(textCdShow,fontChinese);
Chunk chunkNm = new Chunk(textNmShow,fontChinese);
//Chunk chunkUnit = new Chunk(textUnitShow,fontChinese);
Chunk chunkSpec = new Chunk(textSpecShow,fontChinese);
Chunk chunkModel = new Chunk(textModelAndUnitShow, fontChinese);
rightCell = new PdfPCell();
//imageP.setLeading(2f,1.5f);
rightCell. addElement(imageP);
//rightCell.addElement(chunkCd);
rightCell.addElement(new Chunk(" ",fontChinese));
rightCell.addElement(chunkNm);
//rightCell.addElement(chunkUnit);
rightCell.addElement(chunkSpec);
rightCell. addElement(chunkModel);
//false automatic line wrapping
rightCell. setNoWrap(false);
//Line spacing
//rightCell.setLeading(40f,10.0f);
rightCell.setHorizontalAlignment(Element.ALIGN_LEFT);
rightCell.setVerticalAlignment(Element.ALIGN_MIDDLE);
rightCell.setFixedHeight(26.0f);
//rightCell.setPadding(4.0f);//fill
headerTable.addCell(rightCell);
// headerTable.setSplitLate(false);
// headerTable.setSplitRows(true);
document.add(headerTable);
}
//document.add(headerTable);
os. flush();
} catch (DocumentException e) {<!-- -->
e.printStackTrace();
} finally {<!-- -->
if(Objects.nonNull(document)){<!-- -->
document. close();
}
if (Objects. nonNull(os)) {<!-- -->
os. close();
}
}
}
/**
* Batch generate product barcode pdf files and export them to A4 paper
*
* @param productExList barcode data x information
* @param os output stream
* @throwsIOException
*/
public static void generateProdBarcodeA4PDF(List<MProductEx> productExList, OutputStream os,HttpServletResponse response) throws IOException {<!-- -->
Document document = null;
try {<!-- -->
document = new Document(new Rectangle(283F, 425F), 10, 10, 10, 10);
PdfWriter writer = PdfWriter.getInstance(document, os);
document. open();
PdfContentByte cb = writer. getDirectContent();
//judgment column, a piece of data only allows a single column
int dataCount = productExList.stream().filter(f -> StringUtils.isNotEmpty(f.getProdLabel())).collect(Collectors.toList()).size();
int numColumns = 1;
if (dataCount > 1) {<!-- -->
numColumns = 2;
}
BaseFont bfChinese = BaseFont.createFont("C:\Windows\Fonts\simsun.ttc,1", BaseFont.IDENTITY_H,
BaseFont.NOT_EMBEDDED);
Font fontChinese = new Font(bfChinese, 5, Font.NORMAL);
//Create a table with two columns
PdfPTable headerTable = new PdfPTable(numColumns);
if(numColumns == 1){<!-- -->
headerTable.setWidthPercentage(40.0f);
}else {<!-- -->
headerTable.setWidthPercentage(80.0f);
}
PdfPCell rightCell = null;
Pattern pat = Pattern.compile("[\\一-\\龥]");
Matcher m = null;
for (MProductEx p : productExList) {<!-- -->
m = pat. matcher(p. getProdLabel());
if(StringUtils.isNullOrEmpty(p.getProdLabel()) || m.find()){<!-- -->
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "The product number cannot be Chinese and cannot be empty");
}
rightCell = new PdfPCell();
Image codeImage = BarcodeUtil.generateBarcodePrefixSuffix(cb, p.getProdLabel(), 72, 24);
Phrase imageP = new Phrase("", fontChinese);
//Adjust the offset value yourself, mainly negative values downwards
imageP.add(new Chunk(codeImage, 15, -4));
String textNmShow ="Product name:" + (StringUtils.isNotEmpty(p.getProdNm()) ? p.getProdNm() : "");
String textUnitShow ="Unit of measurement:" + (StringUtils.isNotEmpty(p.getUnitNm()) ? p.getUnitNm() : "") ;
String textSpecShow ="Specification: " + (StringUtils.isNotEmpty(p.getSpec()) ? p.getSpec() : "");
String textModelAndUnitShow ="Model:" + (StringUtils.isNotEmpty(p.getModel()) ? p.getModel() : "") +
" " + textUnitShow;
//Chunk chunkCd = new Chunk(textCdShow,fontChinese);
Chunk chunkNm = new Chunk(textNmShow,fontChinese);
//Chunk chunkUnit = new Chunk(textUnitShow,fontChinese);
Chunk chunkSpec = new Chunk(textSpecShow,fontChinese);
Chunk chunkModel = new Chunk(textModelAndUnitShow,fontChinese);
rightCell = new PdfPCell();
//imageP.setLeading(2f,1.5f);
rightCell.addElement(imageP);
//rightCell.addElement(chunkCd);
rightCell.addElement(new Chunk(" ",fontChinese));
rightCell.addElement(chunkNm);
//rightCell.addElement(chunkUnit);
rightCell.addElement(chunkSpec);
rightCell.addElement(chunkModel);
//false automatic line wrapping
rightCell.setNoWrap(false);
//Line spacing
//rightCell.setLeading(40f,10.0f);
rightCell.setHorizontalAlignment(Element.ALIGN_LEFT);
rightCell.setVerticalAlignment(Element.ALIGN_MIDDLE);
rightCell.setFixedHeight(70.0f);
//rightCell.setPadding(4.0f);//Padding
headerTable.addCell(rightCell);
}
if(productExList. size()%2 == 1){<!-- -->
rightCell = new PdfPCell();
new Chunk("END",fontChinese);
headerTable.addCell(rightCell);
}
document. add(headerTable);
os. flush();
} catch (DocumentException e) {<!-- -->
e.printStackTrace();
} finally {<!-- -->
if(Objects.nonNull(document)){<!-- -->
document. close();
}
if (Objects. nonNull(os)) {<!-- -->
os. close();
}
}
}