First look at the effect:
rely:
<dependency> <groupId>com.itextpdf</groupId> <artifactId>itextpdf</artifactId> <version>5.5.10</version> </dependency> <dependency> <groupId>com.itextpdf</groupId> <artifactId>itext-asian</artifactId> <version>5.2.0</version> </dependency>Reference: https://blog.csdn.net/lcczpp/article/details/125424395
Relevant code:
package com.qxs.business.reform.utils.poi;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;
import com.qxs.business.attachment.dto.PdfPageXofYEventHelper;
import org.apache.commons.lang.StringUtils;
import java.io.FileOutputStream;
import java.util.concurrent.atomic.AtomicInteger;
public class PdfUtils {
private static BaseFont bfChinese;
/**
* plus black 22
*/
private static Font head22Font;
/**
* plus black 16
*/
private static Font headFont;
/**
* blue number 11
*/
private static Font bodyBlueFont;
/**
* plus black 11
*/
private static Font bodyBlockFont;
/**
* Regular size 11
*/
private static Font textFont;
/**
* light blue
*/
private static BaseColor baseColor;
static {
try {
bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
headFont = new com.itextpdf.text.Font(bfChinese, 16, com.itextpdf.text.Font.BOLD);
head22Font = new com.itextpdf.text.Font(bfChinese, 22, com.itextpdf.text.Font.BOLD);
bodyBlueFont = new com.itextpdf.text.Font(bfChinese, 11, com.itextpdf.text.Font.NORMAL);
bodyBlueFont. setColor(55, 158, 253);
bodyBlockFont = new com.itextpdf.text.Font(bfChinese, 11, com.itextpdf.text.Font.BOLD);
textFont = new com.itextpdf.text.Font(bfChinese, 11, Font.NORMAL);
// light blue
baseColor = new BaseColor(55, 158, 253);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
try {
// 1. Create a new document object
Document document = new Document(PageSize. A4,
60, 60, 80, 80);
String path = "C:/Users/admin/Desktop/1.pdf";
PdfWriter writer = PdfWriter. getInstance(document, new FileOutputStream(path));
writer.setStrictImageSequence(true);
PdfPageXofYEventHelper pdfPageXofYEventHelper = new PdfPageXofYEventHelper("", bfChinese);
document. open();
document. newPage();
pdfPageXofYEventHelper.setHead("test-test case");
writer.setPageEvent(pdfPageXofYEventHelper); PdfPTable table = new PdfPTable(4);
setTable(table,90);
table.setSplitLate(false);
float[] columnWidths = {1f, 3f, 1f,3f};
table.setWidths(columnWidths);
cellCenter(table,"the module it belongs to", bodyBlockFont);
cellCenter(table,"wireless resource automatic");
cellCenter(table,"system id", bodyBlockFont);
cellCenter(table, "12345");
cellCenter(table,"Level 1 function", bodyBlockFont);
setColspan(table, "Qiuxia said", 3);
cellCenter(table,"secondary function", bodyBlockFont);
setColspan(table,"Guangdong Province",3);
cellCenter(table,"Three-level function", bodyBlockFont);
setColspan(table,"three warnings",3);
cellCenter(table,"release date", bodyBlockFont);
cellCenter(table,"2023-01-01");
cellCenter(table,"program version", bodyBlockFont);
cellCenter(table,"2023-01-01");
cellCenter(table,"compiler", bodyBlockFont);
cellCenter(table,"2023-01-01");
cellCenter(table,"Compilation time", bodyBlockFont);
cellCenter(table,"2023-01-01");
cellCenter(table,"features", bodyBlockFont);
setColspan(table,"2023-01-01",3);
cellCenter(table,"Function operation and description", bodyBlockFont);
PdfPCell pdfPCell = new PdfPCell();
pdfPCell.setColspan(3);
pdfPCell.setVerticalAlignment(Element.ALIGN_MIDDLE);
pdfPCell.setMinimumHeight(25f);
Paragraph elements = new Paragraph("This is the description", textFont);
pdfPCell.addElement(elements);
handleImage2Cell(pdfPCell);
table.addCell(pdfPCell);
cellCenter(table,"manufacturer responsible person", bodyBlockFont);
cellCenter(table,"Qiu Xiaosong");
cellCenter(table,"Contact number", bodyBlockFont);
cellCenter(table,"13983648272");
cellCenter(table,"Acceptance Date", bodyBlockFont);
cellCenter(table,"");
cellCenter(table,"Acceptance Comments", bodyBlockFont);
cellCenter(table,"□ passed □ not passed");
cellCenter(table,"Acceptor", bodyBlockFont);
setColspan(table,"",3);
document. add(table);
handleAnnex5Common(document, writer, 0);
handleAnnex5Function(document, writer, 1);
document. close();
writer. close();
} catch (Exception e) {
e.printStackTrace();
}
}
private static void handleAnnex5Function(Document document, PdfWriter writer, int num) {
try {
Chapter chapter = getChapter(num, "Function Design");
document. add(chapter);
Section section = getSection(chapter, "Third-level functions");
document. add(section);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
*
* Dealing with Annex V public chapters
* @param document document
* @param writer writer
*/
private static void handleAnnex5Common(Document document, PdfWriter writer, int num) throws Exception {
Chapter chapter = getChapter(1 + num, "Database Design");
Section section = getSection(chapter, "code table list");
//writeMsg2Section(section,common.getCodeTableMsg(), new float[]{0.5f,1f, 1f,1f}, new String[]{"Number", "Code Table Name", "Chinese Note", "New /modify/no change"}, new String[]{"tableName", "commentCn","status"},table1);
Section section1 = getSection(chapter, "Entity Set List");
section1.add(getParagraph("subsystem common entity list", textFont, 10f, 10f));
//writeMsg2Section(section1,common.getSubsystemPublicMsg(), new float[]{0.5f,1f, 1f,1f}, new String[]{"serial number", "code table name", "Chinese comment", "new /modify/no change"}, new String[]{"tableName", "commentCn","status"},table2);
section1.add(getParagraph("subsystem specific entity list", textFont, 10f, 10f));
//writeMsg2Section(section1,common.getSubsystemSpecificMsg(), new float[]{0.5f,1f, 1f,1f}, new String[]{"serial number", "code table name", "Chinese comment", "new /modify/no change"}, new String[]{"tableName", "commentCn","status"},table3);
Section section2 = getSection(chapter, "The correspondence between entities and tables");
//writeMsg2Section(section2,common.getCorrespondenceMsg(), new float[]{0.5f,1f, 1f,1f}, new String[]{"serial number", "entity name", "table name", "description"} , new String[]{"tableName", "entityName","description"},tables);
Section section3 = getSection(chapter, "Physical Data Model Diagram");
section3.add(getParagraph("Physical Data Model Diagram-qxs", textFont, 10f, 10f));
document. add(chapter);
setImage(document, bodyBlueFont);
Section section4 = getSection(chapter, "Table attribute description");
section4.add(getParagraph("table attribute description-qxs", textFont, 10f, 10f));
//handleAnnex5CommonField(dto, section4);
document. add(section4);
Section section5 = getSection(chapter, "Data volume distribution");
//writeMsg2Section(section5,common.getDistributionMsg(), new float[]{0.5f,1f, 1f,1f,1f}, new String[]{"serial number", "table name", "record length (bytes) ","Maximum number of records","Maximum number of bytes"}, new String[]{"tableName", "recordLength","maxRecordCount","maxByteCount"},tables);
document. add(section5);
Section section6 = getSection(chapter, "Data storage and access analysis");
handleAnnex5CommonAna("Data storage and access analysis-qxs", section6);
document. add(section6);
}
private static void handleAnnex5CommonAna(String msg, Section section6) throws Exception {
PdfPTable table = new PdfPTable(7);
setTable(table);
section6.add(getParagraph(msg, textFont, 10f, 10f));
float[] columnWidths = {0.5f,1f, 1f, 1f,1f, 1f, 1f};
table.setWidths(columnWidths);
setRowSpan(table,"serial number",2);
setRowSpan(table,"table name",2);
setRowSpan(table,"storage period (days)",2);
PdfPCell pdfPCell = getCellCenter("storage location");
pdfPCell.setBackgroundColor(baseColor);
pdfPCell.setColspan(3);
table.addCell(pdfPCell);
setRowSpan(table,"access method",2);
cellCenterAndSetGroundColor(table,"this site");
cellCenterAndSetGroundColor(table,"LAN server");
cellCenterAndSetGroundColor(table,"WAN server");
cellCenter(table, "--");
AtomicInteger atomicInteger = new AtomicInteger(1);
for (int i = 0; i < 2; i ++ ) {
cellCenter(table, atomicInteger. getAndIncrement() + "");
cellCenter(table, "table name");
cellCenter(table, "12");
String saveLocation = "What is this";
String s1 = "";
String s2 = "";
String s3 = "";
if(StringUtils.isNotBlank(saveLocation)){
if(saveLocation.contains("this site")){
s1 = "√";
}
if(saveLocation.contains("LAN server")){
s2 = "√";
}
if(saveLocation.contains("WAN server")){
s3 = "√";
}
}
cellCenter(table,s1);
cellCenter(table, s2);
cellCenter(table,s3);
cellCenter(table, "This...");
}
section6. add(table);
}
/**
* The cell content is displayed in the center, and the light blue background is set
*
* @param table form
* @param value content
*/
private static void cellCenterAndSetGroundColor(PdfPTable table, String value) {
PdfPCell pdfPCell = getCellCenterAndSetGroundColor(value);
table.addCell(pdfPCell);
}
/**
* Cell k spans rows, and the content is displayed in the center
* @param table table
* @param value content
* @param colspan number of columns
*/
private static void setRowSpan(PdfPTable table, String value, int colspan){
PdfPCell pdfPCell = getCellCenterAndSetGroundColor(value);
pdfPCell.setBackgroundColor(baseColor);
pdfPCell.setRowspan(colspan);
table.addCell(pdfPCell);
}
/**
* Center the cell
* @param value data
* @return cell
*/
private static PdfPCell getCellCenter(String value) {
PdfPCell pdfPCell = new PdfPCell();
pdfPCell.setMinimumHeight(25f);
pdfPCell.setVerticalAlignment(Element.ALIGN_MIDDLE);
Paragraph paragraph = new Paragraph(value, textFont);
paragraph.setAlignment(Element.ALIGN_CENTER);
//adapt row height
paragraph. setLeading(12f);
pdfPCell.addElement(paragraph);
return pdfPCell;
}
/**
* The cell content is centered, the background is light blue
* @param value unit ge data
* @return cell
*/
private static PdfPCell getCellCenterAndSetGroundColor( String value) {
PdfPCell pdfPCell = getCellCenter(value);
pdfPCell.setBackgroundColor(baseColor);
return pdfPCell;
}
/**
* Set the front and rear margins of the table
*
* @param table form
*/
private static void setTable(PdfPTable table) {
setTable(table,100);
}
/**
* Get the secondary label
*
* @param chapter level one label
* @param value secondary tag value
* @return secondary label
*/
private static Section getSection(Chapter chapter, String value) {
Section section = chapter.addSection(getParagraph(value, headFont, 15f, 17f));
section.setNumberStyle(Section.NUMBERSTYLE_DOTTED_WITHOUT_FINAL_DOT);
return section;
}
/**
* Add paragraph content
*
* @param value content
* @param font field
* @param before front margin
* @param after margin
* @return Paragraph
*/
private static Paragraph getParagraph(String value, Font font, float before, float after) {
Paragraph elements = new Paragraph(value, font);
elements.setSpacingBefore(before);
elements.setSpacingAfter(after);
return elements;
}
/**
* Get the first-level label
*
* @param num tag number
* @param value tag data
* @return first level label
*/
private static Chapter getChapter(int num, String value) {
Chapter chapter = new Chapter(getParagraph(value, head22Font, 15f, 17f), num);
// do not start a new page
chapter.setTriggerNewPage(false);
chapter.setNumberStyle(Chapter.NUMBERSTYLE_DOTTED_WITHOUT_FINAL_DOT);
return chapter;
}
/**
* Process the picture and write it into the cell
* @param pdfPCell cell
* @throws Exception exception
*/
private static void handleImage2Cell(PdfPCell pdfPCell) throws Exception {
String img = "C:\Users\admin\Downloads\img\1.jpg";
Image image = Image. getInstance(img);
image.setSpacingBefore(10f);
image.setSpacingAfter(5f);
image.scalePercent(35000/image.getWidth());
//image.scaleAbsolute(350, 300);
//image.setWidthPercentage(100f);
image.setAlignment(Image.ALIGN_CENTER);
//Fix the table to prevent the last picture at the bottom of the page from displaying abnormally
PdfPTable pdfPTable = new PdfPTable(1);
pdfPTable.setWidthPercentage(100f);
PdfPCell pdfPCell1 = new PdfPCell();
pdfPCell1.setBorderWidthTop(0);
pdfPCell1.setBorderWidthRight(0);
pdfPCell1.setBorderWidthBottom(0);
pdfPCell1.setBorderWidthLeft(0);
pdfPCell1. addElement(image);
pdfPTable.addCell(pdfPCell1);
pdfPCell.addElement(pdfPTable);
}
/**
* Set the front and rear margins of the table
*
* @param table form
*/
private static void setTable(PdfPTable table, int with) {
table.setWidthPercentage(with);
table.setSpacingBefore(10f);
table.setSpacingAfter(10f);
table.setSplitLate(true);
table.setSplitRows(true);
}
/**
* The cell content is displayed in the center
*
* @param table form
* @param value content
*/
private static void cellCenter(PdfPTable table, String value) {
cellCenter(table, value, textFont);
}
/**
* The cell content is displayed in the center
* @param table form
* @param value content
* @param font font
* @return pdfPCell cell
*/
private static void cellCenter(PdfPTable table, String value, Font font) {
PdfPCell pdfPCell = new PdfPCell();
pdfPCell.setVerticalAlignment(Element.ALIGN_MIDDLE);
pdfPCell.setMinimumHeight(25f);
Paragraph paragraph = new Paragraph(value, font);
paragraph.setAlignment(Element.ALIGN_CENTER);
//adapt row height
paragraph. setLeading(12f);
pdfPCell.addElement(paragraph);
table.addCell(pdfPCell);
}
/**
* cell data
*
* @param value cell data
* @return cell data
*/
private static PdfPCell getPdfPCell(String value) {
return getPdfPCell(value, textFont);
}
/**
* cell data
*
* @param value cell data
* @param font font
* @return cell data
*/
private static PdfPCell getPdfPCell(String value, Font font) {
PdfPCell pdfPCell = new PdfPCell();
pdfPCell.setVerticalAlignment(Element.ALIGN_MIDDLE);
pdfPCell.setMinimumHeight(25f);
Paragraph paragraph = new Paragraph(value, font);
//adapt row height
paragraph. setLeading(12f);
pdfPCell.addElement(paragraph);
return pdfPCell;
}
/**
* Cell k spans columns, and the content is displayed in the center
* @param table table
* @param value content
* @param colspan number of columns
*/
private static PdfPCell setColspan(PdfPTable table, String value, int colspan){
PdfPCell pdfPCell = getPdfPCell(value);
pdfPCell.setColspan(colspan);
pdfPCell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(pdfPCell);
return pdfPCell;
}
/**
* Condition image
*
* @param document pdf
* @param bodyFont font
* @throws Exception exception
*
*/
private static void setImage(Document document, Font bodyFont) throws Exception {
setImage(document, bodyFont, 1);
}
/**
* Condition image
*
* @param document pdf
* @param bodyFont font
* @throws Exception exception
*
*/
private static void setImage(Document document, Font bodyFont, int num) throws Exception {
String img = "C:\Users\admin\Downloads\img\1.jpg";
Image image = Image. getInstance(img);
image.setAlignment(Image.ALIGN_CENTER);
image.scalePercent(40000/image.getWidth());
//image.scaleAbsolute(400, 400);
Paragraph elements = new Paragraph();
elements. add(image);
document. add(elements);
document.add(getParagraph("Qiu Xiaosong.pdf", bodyFont, 1f, 1f));
}
}
package com.qxs.business.attachment.dto;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.*;
/**
*
*/
public class PdfPageXofYEventHelper extends PdfPageEventHelper {
private BaseFont baseFont;
private String head;
private static String watermark = "This is a watermark";
private PdfGState gs;
public PdfPageXofYEventHelper() {
}
public static void setWatermark(String str) {
watermark = str;
}
public PdfPageXofYEventHelper(String head, BaseFont baseFont) {
this.head = head;
this. baseFont = baseFont;
// Set watermark transparency
PdfGState gs = new PdfGState();
// Set the fill font opacity to 0.09f
gs.setFillOpacity(0.09f);
this.gs = gs;
}
public void setHead(String head) {
this.head = head;
}
/**
* Override the onEndPage method in PdfPageEventHelper
*/
@Override
public void onEndPage(PdfWriter writer, Document document) {
//add title text
StringBuffer underline = new StringBuffer();
for(int i = 0;i<80;i ++ ) {
underline.append("_");
}
Font bodyBlueFont = new Font(baseFont, 11, Font.NORMAL);
Phrase contentPh = new Phrase(head,bodyBlueFont);
Phrase underlinePh = new Phrase(underline.toString(),bodyBlueFont);
Phrase pageNumberPh = new Phrase("- " + writer. getPageNumber() + " -",bodyBlueFont);
//horizontal midpoint of the page
float center = writer.getPageSize().getRight()/2;
float top = writer.getPageSize().getTop() - 36;
float bottom = writer.getPageSize().getBottom() + 10;
/** The parameter xy refers to which store on the page the text is displayed on. alignment refers to the alignment of the text at the coordinate point */
// header
ColumnText.showTextAligned(writer.getDirectContent(),Element.ALIGN_CENTER,contentPh,center,top,0);
// header
ColumnText.showTextAligned(writer.getDirectContent(),Element.ALIGN_CENTER,underlinePh,center,top-3,0);
//page number
ColumnText.showTextAligned(writer.getDirectContent(),Element.ALIGN_CENTER,pageNumberPh,center,bottom,0);
PdfContentByte content = writer. getDirectContent();
// start
content.beginText();
// Set watermark font parameters and size (font parameters, font encoding format, whether to embed font information into pdf (generally no need to embed), font size)
content.setFontAndSize(baseFont, 55);
// set transparency
content.setGState(gs);
// Set watermark alignment Watermark content X coordinate Y coordinate Rotation angle
content.showTextAligned(Element.ALIGN_CENTER, watermark, center, 430, 45);
// Set watermark color (gray)
content.setColorFill(BaseColor.GRAY);
//Finish
content. endText();
}
}