最终效果
其实可以加分页，但是没有那么精细的需求，所以我最后就没有加，有兴趣的可以尝试下。
项目依赖
xml
<!-- Spring Boot 版本有点老 -->
<spring-boot.version>2.3.12.RELEASE</spring-boot.version>
<!-- 依赖 -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.13</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itext-asian</artifactId>
<version>5.2.0</version>
</dependency>
实现代码
出奇的简单，就一个核心的方法
核心实现方法
java
package com.an.pdfhandle.service;
import com.an.pdfhandle.entity.Member;
import com.an.pdfhandle.entity.Team;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.*;
import java.io.OutputStream;
import java.net.URL;
import java.util.List;
public class PdfExportService {
// 样式化导出为类似画布的横向排版：iText5 实现核心逻辑（支持多个团队）
public void exportTeamCanvasStyle(List<Team> teams, OutputStream outputStream) throws Exception {
Document document = new Document(PageSize.A4, 36, 36, 36, 36); // A4 纵向页面
PdfWriter.getInstance(document, outputStream);
document.open();
BaseFont baseFont = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
Font nameFont = new Font(baseFont, 12);
Font labelFont = new Font(baseFont, 12, Font.BOLD);
Font titleFont = new Font(baseFont, 16, Font.BOLD);
for (Team team : teams) {
// --- 信息页（第一页） ---
document.newPage();
document.add(new Paragraph("参 赛 队：" + team.getName(), titleFont));
document.add(Chunk.NEWLINE);
// 绘制基本代表队基本信息
Paragraph p1 = new Paragraph();
p1.setFont(nameFont);
p1.add("领 队：" + team.getLeaderName() + " 联系电话：" + team.getLeaderPhone() + "\n");
p1.add("主训教练：" + team.getCoachName() + " 队 医：" + team.getDoctorName() + "\n");
p1.add("助理教练：" + team.getAssistantCoachName() + " 联系电话：" + team.getCoachPhone());
document.add(p1);
document.add(Chunk.NEWLINE);
// 绘制Table
PdfPTable infoTable = new PdfPTable(8);
infoTable.setWidthPercentage(100);
infoTable.setWidths(new float[]{1f, 2f, 2f, 1f, 2.5f, 2f, 4f, 2f});
String[] headers = {"序号", "身份", "姓名", "性别", "身高/体重", "比赛号码", "身份证号", "服装号码"};
for (String h : headers) {
PdfPCell cell = new PdfPCell(new Phrase(h, labelFont));
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setPaddingTop(7f); // 4cm ≈ 113pt，每边加大间距
cell.setPaddingBottom(7f);
infoTable.addCell(cell);
}
int index = 1;
for (Member m : team.getMembers()) {
PdfPCell[] cells = new PdfPCell[] {
new PdfPCell(new Phrase(String.valueOf(index++), nameFont)),
new PdfPCell(new Phrase(m.getRole(), nameFont)),
new PdfPCell(new Phrase(m.getName(), nameFont)),
new PdfPCell(new Phrase(m.getGender(), nameFont)),
new PdfPCell(new Phrase(m.getHeightWeight(), nameFont)),
new PdfPCell(new Phrase(m.getCode(), nameFont)),
new PdfPCell(new Phrase(m.getIdCard(), nameFont)),
new PdfPCell(new Phrase(m.getClothingSize(), nameFont))
};
for (PdfPCell cell : cells) {
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setPaddingTop(7f); // 增加内边距
cell.setPaddingBottom(7f);
infoTable.addCell(cell);
}
}
document.add(infoTable);
// --- 画布页（第二页） ---
document.newPage();
// 代表队名称
Paragraph title = new Paragraph("队名：" + team.getName(), titleFont);
title.setAlignment(Element.ALIGN_LEFT);
document.add(title);
document.add(Chunk.NEWLINE);
// 底部头像（其实也是一个表格，但是没有边框）
PdfPTable table = new PdfPTable(3); // 每行最多3个头像（适合纵向）
table.setWidthPercentage(100);
table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
for (Member member : team.getMembers()) {
PdfPCell cell = new PdfPCell();
cell.setBorder(Rectangle.NO_BORDER);
// 图片
if (member.getImageUrl() != null) {
try {
Image img = Image.getInstance(new URL(member.getImageUrl()));
img.scaleToFit(100, 120);
cell.addElement(img);
} catch (Exception e) {
// 可添加默认图
}
}
// 图片下的文字信息
Paragraph info = new Paragraph();
info.setLeading(14);
info.add(new Chunk(member.getRole() + "：", labelFont));
info.add(new Chunk(member.getName() + "\n", nameFont));
info.add(new Chunk(member.getIdCard() + "\n", nameFont));
info.add(new Chunk("号码：" + member.getCode(), nameFont));
cell.addElement(info);
table.addCell(cell);
}
int remainder = team.getMembers().size() % 3;
if (remainder != 0) {
for (int i = 0; i < 3 - remainder; i++) {
PdfPCell empty = new PdfPCell();
empty.setBorder(Rectangle.NO_BORDER);
table.addCell(empty);
}
}
document.add(table);
}
document.close();
}
}调用Controller
java
package com.an.pdfhandle.demos.web;
import com.an.pdfhandle.entity.Member;
import com.an.pdfhandle.entity.Team;
import com.an.pdfhandle.service.PdfExportService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletResponse;
import java.util.Arrays;
import java.util.List;
@RestController
public class PdfController {
@GetMapping("/exportCanvasStyle")
public void exportPdfCanvasStyle(HttpServletResponse response) throws Exception {
// 模拟数据
List<Team> teams = Arrays.asList(
new Team("测试1代表队",
"大袋",
"15635748705",
"张三",
"李四",
"张三",
"15635748705"
, Arrays.asList(
new Member("张三", "运动员", "10","男","178/70KG","2XL", "110101199001010011", "http://101.37.161.72:8888/an/M00/00/00/rBoEmGRy2TuARDgsAADin4gdP7Q119.jpg"),
new Member("李四", "运动员", "11", "男","178/70KG","2XL", "110101199202020022", "http://101.37.161.72:8888/an/M00/00/00/rBoEmGRy2TuARDgsAADin4gdP7Q119.jpg")
)),
new Team("测试2代表队",
"大袋",
"15635748705",
"张三",
"李四",
"张三",
"15635748705", Arrays.asList(
new Member("王五", "运动员", "21", "男","178/70KG","2XL", "110101199303030033", "http://101.37.161.72:8888/an/M00/00/00/rBoEmGRy2TuARDgsAADin4gdP7Q119.jpg"),
new Member("赵六", "运动员", "22", "男","178/80KG","3XL", "110101199303030033", "http://101.37.161.72:8888/an/M00/00/00/rBoEmGRy2TuARDgsAADin4gdP7Q119.jpg")
))
);
response.setContentType("application/pdf");
response.setHeader("Content-Disposition", "attachment; filename=teams.pdf");
new PdfExportService().exportTeamCanvasStyle(teams, response.getOutputStream());
}
}到此结束，其实生成的比较粗糙，这里需要反思下，我的后端的排版布局能力还是比较差的，哈哈，有待提高。
使用前端直接用DOM元素往出导PDF的话会美观点，毕竟CSS用的更加顺手点, 使用VUE导出可以看我另一篇博客