我一直在检查有关获取当前日期的许多帖子，但是我不知道发生了什么。
有时，应用程序提供了错误的当前日期。因此，我添加了获取当前日期的第二种方法，因为报表必须显示在不同的位置，所以我俩都使用了它们。
它正在工作，但是今天我被告知不是。正在给13/02/2019，所以就在一周前。
代码是这样的：
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd MMMM yyyy");
SimpleDateFormat sdf = new SimpleDateFormat("dd MMMM yyyy");
LocalDateTime today = LocalDateTime.now();
Date date = new Date();
addFormattedCell(table, paragraphFontNormal, dtf.format(today) , Element.ALIGN_RIGHT, 1, 1);
addFormattedCell(table, paragraphFontNormal, sdf.format(date), Element.ALIGN_RIGHT, 1, 1);
两个人都给出了相同的错误日期（13/02/2019）。我再次部署了应用程序，并且可以正常工作。知道出什么问题了吗？
课程：
@Service
public class CropAcknowledgementServiceManager implements CropAcknowledgementService {
private static final Integer PAGE_SIZE = 10;
private Document document;
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd MMMM yyyy");
SimpleDateFormat sdf = new SimpleDateFormat("dd MMMM yyyy");
LocalDateTime today = LocalDateTime.now();
Date date = new Date();
private Font paragraphFontHead = FontFactory.getFont(FontFactory.HELVETICA, 10, Font.BOLD|Font.UNDERLINE);
private Font fontSmall = FontFactory.getFont(FontFactory.HELVETICA, 6, Font.NORMAL);
private Font fontSmallBold = FontFactory.getFont(FontFactory.HELVETICA, 6, Font.NORMAL|Font.BOLD);
private Font paragraphFontNormal = new Font(Font.FontFamily.TIMES_ROMAN, 12, Font.NORMAL);
private Font paragraphFontSmall = new Font(Font.FontFamily.TIMES_ROMAN, 10, Font.NORMAL);
private Font paragraphFontUnderline = new Font(Font.FontFamily.TIMES_ROMAN, 12, Font.UNDERLINE);
private List<SownSlrn> sownSlrn;
@Autowired
CropAcknowledgementRepository cropAcknowledgementRep;
@Autowired
SownSlrnRepository sownSlrnRep;
public void createPdf(CropAcknowledgement cropAcknowledgement, HttpServletResponse response) throws IOException, DocumentException {
document = new Document();
document.setMargins(50,50,70,80);
PdfWriter writer = PdfWriter.getInstance(document, response.getOutputStream());
document.open();
addFotter(writer);
PdfHeaderFooter event = new PdfHeaderFooter();
writer.setPageEvent(event);
List<CropAcknowledgement> report = findAll(cropAcknowledgement);
addLetterHeading(report.get(0));
addLetter(report.get(0), cropAcknowledgement.getName());
addTableHeading(report.get(0));
PdfPTable table = new PdfPTable(7);
table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
table.getDefaultCell().setFixedHeight(15);
table.setWidthPercentage(920);
table.setTotalWidth(new float[]{ 80, 20, 100, 140, 30, 100, 30 });
table.setLockedWidth(true);
table.addCell(new Paragraph("Variety", paragraphFontUnderline));
table.addCell(new Paragraph("Cat", paragraphFontUnderline));
table.addCell(new Paragraph("Crop ID", paragraphFontUnderline));
table.addCell(new Paragraph("Grower's name", paragraphFontUnderline));
addFormattedCell(table, paragraphFontUnderline, "Area", Element.ALIGN_RIGHT, 1, 1);
table.addCell(new Paragraph("Sown SLRN", paragraphFontUnderline));
table.addCell(new Paragraph("Insp.", paragraphFontUnderline));
for(CropAcknowledgement ca : report){
sownSlrn = sownSlrnRep.findByDescendent(ca.getSystemId());
table.addCell(new Paragraph(ca.getVarietyName(), paragraphFontSmall));
table.addCell(new Paragraph(ca.getCategoryEntered(), paragraphFontSmall));
table.addCell(new Paragraph(ca.getCid(), paragraphFontSmall));
table.addCell(new Paragraph(ca.getGrower(), paragraphFontSmall));
if (ca.getArea() == 0.0) {
addFormattedCell(table, paragraphFontSmall, "W/D", Element.ALIGN_RIGHT, 1, 1);
}else{
addFormattedCell(table, paragraphFontSmall, round(ca.getArea(), 1), Element.ALIGN_RIGHT, 1, 1);
}
boolean first =true;
for (SownSlrn ss : sownSlrn){
if (first) {
table.addCell(new Paragraph(ss.getSownSlrn(), paragraphFontSmall));
table.addCell(new Paragraph(ca.getInspFlag(), paragraphFontSmall));
table.completeRow();
first = false;
}else{
addFormattedCell(table, paragraphFontSmall, " ", Element.ALIGN_LEFT, 5, 1);
addFormattedCell(table, paragraphFontSmall, ss.getSownSlrn(), Element.ALIGN_LEFT, 2, 1);
}
}
}
document.add(table);
response.flushBuffer();
document.close();
}
private void addLetterHeading(CropAcknowledgement ca) throws DocumentException {
PdfPTable table = new PdfPTable(3);
table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
table.getDefaultCell().setFixedHeight(15);
table.setWidthPercentage(500);
table.setTotalWidth(new float[]{ 325, 75, 100 });
table.setLockedWidth(true);
addFormattedCell(table, paragraphFontNormal, ca.getPersonResponsible(), Element.ALIGN_LEFT, 3, 1);
addFormattedCell(table, paragraphFontNormal, ca.getCropApplicant() , Element.ALIGN_LEFT, 3, 1);
if (ca.getAddress1() != null) {
addFormattedCell(table, paragraphFontNormal, ca.getAddress1() , Element.ALIGN_LEFT, 3, 1);
}
if (ca.getAddress2() != null) {
addFormattedCell(table, paragraphFontNormal, ca.getAddress2() , Element.ALIGN_LEFT, 3, 1);
}
if (ca.getAddress3() != null) {
addFormattedCell(table, paragraphFontNormal, ca.getAddress3() , Element.ALIGN_LEFT, 3, 1);
}
addFormattedCell(table, paragraphFontNormal, ca.getTown() , Element.ALIGN_LEFT, 3, 1);
addFormattedCell(table, paragraphFontNormal, ca.getCounty() , Element.ALIGN_LEFT, 1, 1);
addFormattedCell(table, paragraphFontNormal, "Applicant No:", Element.ALIGN_LEFT, 1, 1);
addFormattedCell(table, paragraphFontNormal, ca.getRegNo().toString(), Element.ALIGN_RIGHT, 1, 1);
addFormattedCell(table, paragraphFontNormal, ca.getPostCode(), Element.ALIGN_LEFT, 1, 1);
addFormattedCell(table, paragraphFontNormal, "Date:", Element.ALIGN_LEFT, 1, 1);
addFormattedCell(table, paragraphFontNormal, sdf.format(date), Element.ALIGN_RIGHT, 1, 1);
document.add(table);
}
private void addLetter(CropAcknowledgement ca, String name) throws DocumentException {
Paragraph line = new Paragraph(" ", paragraphFontNormal);
document.add(line);
document.add(line);
document.add(line);
line = new Paragraph("SEED CROP ENTRIES FOR HARVEST " + ca.getCidYr() , paragraphFontHead);
line.setAlignment(Element.ALIGN_LEFT);
document.add(line);
document.add( Chunk.NEWLINE );
document.add( Chunk.NEWLINE );
line = new Paragraph(ca.getDearName() , paragraphFontNormal);
document.add(line);
document.add( Chunk.NEWLINE );
line = new Paragraph("Enclosed is a list of the " + ca.getAdminGroupName()
+ " crop entries you have entered to date for harvest year " + ca.getCidYr() + ".", paragraphFontNormal);
document.add(line);
document.add( Chunk.NEWLINE );
line = new Paragraph("Could you please check this list and notify us of any inaccuracies or omissions. We have also indicated those crops which are subject to be officially inspected.", paragraphFontNormal);
document.add(line);
document.add( Chunk.NEWLINE );
line = new Paragraph("Crops ....", paragraphFontNormal);
document.add(line);
line = new Paragraph("Crops ....", paragraphFontNormal);
document.add(line);
document.add( Chunk.NEWLINE );
line = new Paragraph("" +
" We would ....", paragraphFontNormal);
document.add(line);
document.add( Chunk.NEWLINE );
document.add( Chunk.NEWLINE );
line = new Paragraph("Yours sincerely,", paragraphFontNormal);
document.add(line);
document.add( Chunk.NEWLINE );
line = new Paragraph(name, paragraphFontNormal);
document.add(line);
document.add( Chunk.NEWLINE );
line = new Paragraph("", paragraphFontNormal);
document.add(line);
document.newPage();
}
private void addTableHeading(CropAcknowledgement ca) throws DocumentException {
PdfPTable table = new PdfPTable(2);
table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
table.getDefaultCell().setFixedHeight(15);
table.setWidthPercentage(500);
table.setTotalWidth(new float[]{ 400, 100 });
table.setLockedWidth(true);
addFormattedCell(table, paragraphFontNormal, ca.getCropApplicant() + " - Applicant No " + ca.getRegNo(), Element.ALIGN_LEFT, 1, 1);
addFormattedCell(table, paragraphFontNormal, dtf.format(today) , Element.ALIGN_RIGHT, 1, 1);
table.completeRow();
document.add(table);
Paragraph line = new Paragraph("Crop Entries for " + ca.getCidYr() + " - " + ca.getAdminGroupName() , paragraphFontUnderline);
document.add(line);
document.add( Chunk.NEWLINE );
line = new Paragraph("Area = crop area entered minus any area withdrawn", paragraphFontNormal);
document.add(line);
line = new Paragraph("W/D = crop area completely withdrawn", paragraphFontNormal);
document.add(line);
line = new Paragraph("", paragraphFontNormal);
document.add(line);
document.add( Chunk.NEWLINE );
}