java-导出pdf
前言:
纯代码画pdf格式
<!-- iText PDF -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.13.2</version>
</dependency>
<!-- pdf 字体需要 -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itext-asian</artifactId>
<version>5.2.0</version>
</dependency>示例代码：
生成PDF文件（无表格版）
Controller
@PostMapping("exportPDF")
public void registrationNoticeExport(HttpServletRequest request, HttpServletResponse response) throws UnsupportedEncodingException {
//防止日志记录获取session异常
request.getSession();
HashMap<String, String> dataMap = new HashMap<>();
dataMap.put("year","2023");
dataMap.put("sort","12");
dataMap.put("inspectionCompany","这是第一行的标题");
dataMap.put("planName","这是第二行的标题xxxxxxxxx");
dataMap.put("qymc","这是发文公司/人");
dataMap.put("kdmc","内容测试");
dataMap.put("attachmentNameStr","attachmentNameStr测试");
dataMap.put("date","日期测试");
dataMap.put("inspectionTeamLeaderInfo","落款测试");
//导出pdf
PdfUtil.setResponseContentType(response, "文件名称测试" );
PdfUtil.downloadPdf(dataMap,response);
}Util
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.draw.LineSeparator;
import javax.servlet.http.HttpServletResponse;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.Map;
public class PdfUtil {
public static void setResponseContentType(HttpServletResponse response, String fileName) throws UnsupportedEncodingException {
response.setContentType("application/pdf");
response.setCharacterEncoding("utf-8");
response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "utf-8") + ".pdf");
response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
}
public static void downloadPdf(Map<String,String> dataMap, HttpServletResponse response){
// 定义全局的字体静态变量
Font titlefont;
Font headfont;
Font keyfont = null;
Font textfont = null;
Font content = null;
Font space = null;
Font space1 = null;
Font space2 = null;
Font space3 = null;
// 最大宽度
try {
// 不同字体（这里定义为同一种字体：包含不同字号、不同style）
BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
titlefont = new Font(bfChinese, 16, Font.BOLD);
headfont = new Font(bfChinese, 14, Font.BOLD);
keyfont = new Font(bfChinese, 22, Font.BOLD);
textfont = new Font(bfChinese, 15, Font.NORMAL);
content = new Font(bfChinese, 16, Font.NORMAL);
space = new Font(bfChinese, 5, Font.NORMAL);
space1 = new Font(bfChinese, 20, Font.NORMAL);
space2 = new Font(bfChinese, 20, Font.NORMAL);
space3 = new Font(bfChinese, 3, Font.NORMAL);
} catch (Exception e) {
e.printStackTrace();
}
BaseFont bf;
Font font = null;
try {
//可以引用自己想要的字体
bf = BaseFont.createFont("D:\\cbd-marketSurvey-service\\src\\main\\resources\\templates\\simsun.ttc,1",
BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
//创建字体
// bf = BaseFont.createFont( "STSong-Light", "UniGB-UCS2-H",
// BaseFont.NOT_EMBEDDED);
//使用字体并给出颜色
font = new Font(bf,36,Font.BOLD, BaseColor.RED);
} catch (Exception e) {
e.printStackTrace();
}
Document document = new Document(new Rectangle(com.itextpdf.text.PageSize.A4));
try {
com.itextpdf.text.pdf.PdfWriter.getInstance(document, response.getOutputStream());
//打开PDF文件
document.open();
//设置内容
Paragraph paragraph = new Paragraph("标题内容测试", font);
//居中设置
paragraph.setAlignment(Element.ALIGN_CENTER);
document.add(paragraph);
//页眉横线
document.add(new Paragraph("\n", space2));
LineSeparator line = new LineSeparator(3f, 100, BaseColor.RED, Element.ALIGN_CENTER, 0f);
document.add(line);
document.add(new Paragraph("\n", space3));
LineSeparator lineStart = new LineSeparator(1f, 100, BaseColor.RED, Element.ALIGN_CENTER, 0f);
document.add(lineStart);
document.add(new Paragraph("\n", space));
String text = "标注测试〔" + dataMap.get("year") + "〕" + dataMap.get("sort") + "号";
Paragraph paragraph0 = new Paragraph(text, content);
paragraph0.setAlignment(Element.ALIGN_RIGHT);
document.add(paragraph0);
document.add(new Paragraph("\n"));
Paragraph paragraph1 = new Paragraph(dataMap.get("inspectionCompany"), keyfont);
paragraph1.setAlignment(Element.ALIGN_CENTER);
document.add(paragraph1);
document.add(new Paragraph("\n", space));
String concent = dataMap.get("planName");
Paragraph paragraph2 = new Paragraph(concent, keyfont);
paragraph2.setAlignment(Element.ALIGN_CENTER);
document.add(paragraph2);
document.add(new Paragraph("\n"));
Paragraph paragraph3 = new Paragraph(dataMap.get("qymc") + ":", content);
paragraph3.setAlignment(Element.ALIGN_LEFT);
document.add(paragraph3);
document.add(new Paragraph("\n", space));
String concent1 = " 现将" + dataMap.get("kdmc")
+ "这是一段内容测试：知识密集型行业往往有着这样的特点，一方面对于从业者有着高度专业化的知识要求，需要具备高度专业化的背景和经验，准入门槛较高；同时，知识密集型行业往往也是文档密集型行业，文档的厚度和复杂性较高，让行业的数字化转型与应用创新面临更大挑战。。";
Paragraph paragraph4 = new Paragraph(concent1, content);
//设置首行缩进
paragraph4.setIndentationRight(2);
document.add(paragraph4);
document.add(new Paragraph("\n", space));
Paragraph paragraph5 = new Paragraph(" 特此通知。", content);
//右缩进2格
paragraph5.setIndentationRight(2);
document.add(paragraph5);
document.add(new Paragraph("\n", space1));
document.add(new Paragraph("\n", space1));
//附件
Paragraph paragraph6 = new Paragraph(" 附件:", content);
//右缩进2格
paragraph6.setIndentationRight(2);
document.add(paragraph6);
document.add(new Paragraph("\n", space));
Paragraph paragraph7 = new Paragraph(" "+dataMap.get("attachmentNameStr"), content);
document.add(paragraph7);
document.add(new Paragraph("\n", space1));
document.add(new Paragraph("\n", space1));
document.add(new Paragraph("\n", space1));
//日期
Paragraph paragraph8 = new Paragraph(dataMap.get("date"), content);
//向右
paragraph8.setAlignment(Element.ALIGN_RIGHT);
document.add(paragraph8);
document.add(new Paragraph("\n", space1));
//落款
Paragraph paragraph9 = new Paragraph(dataMap.get("inspectionTeamLeaderInfo"), content);
paragraph9.setAlignment(Element.ALIGN_CENTER);
document.add(paragraph9);
//页尾横线
document.add(new Paragraph("\n", space2));
document.add(new Paragraph("\n", space2));
LineSeparator lineEnd = new LineSeparator(3f, 100, BaseColor.RED, Element.ALIGN_CENTER, 0f);
document.add(lineEnd);
document.add(new Paragraph("\n", space3));
LineSeparator lineEnd1 = new LineSeparator(1f, 100, BaseColor.RED, Element.ALIGN_CENTER, 0f);
document.add(lineEnd1);
//关闭文档
document.close();
} catch (Exception e) {
e.printStackTrace();
//log.error("导出pdf失败：{}", e);
}
}
}效果图
生成PDF文件（表格版）
Controller
@PostMapping("/download")
public void download(HttpServletResponse response, HttpServletRequest request) throws IOException {
// 防止日志记录获取session异常
request.getSession();
// 设置编码格式
response.setContentType("application/pdf;charset=UTF-8");
response.setCharacterEncoding("utf-8");
String fileName = URLEncoder.encode("下载的PDF名称", "UTF-8");
response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".pdf");
List<String> list = new ArrayList<>();
for (int i = 0; i < 10; i++) {
list.add(String.valueOf(i));
}
PdfUtil.download(list, response);
}Util
public static void download(List<String> list, HttpServletResponse response) throws IOException {
//要下载的数据查询数据部分我去掉了有需要自己根据业务取
// 定义全局的字体静态变量
Font content = null;
// 最大宽度
try {
// 不同字体（这里定义为同一种字体：包含不同字号、不同style）
BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
content = new Font(bfChinese, 10, Font.NORMAL);
} catch (Exception e) {
e.printStackTrace();
}
BaseFont bf;
Font font = null;
try {
//创建字体
bf = BaseFont.createFont( "STSong-Light", "UniGB-UCS2-H",
BaseFont.NOT_EMBEDDED);
//使用字体并给出颜色
font = new Font(bf,20,Font.BOLD, BaseColor.BLACK);
} catch (Exception e) {
e.printStackTrace();
}
Document document = new Document(new RectangleReadOnly(842F, 595F));
try {
PdfWriter.getInstance(document,response.getOutputStream());
//打开生成的pdf文件
document.open();
//设置内容
Paragraph paragraph = new Paragraph("主题名称",font);
paragraph.setAlignment(1);
//引用字体
document.add(paragraph);
// 设置表格的列宽和列数
float[] widths = {25f,25f,25f,25f,25f,25f};
PdfPTable table = new PdfPTable(widths);
table.setSpacingBefore(20f);
// 设置表格宽度为100%
table.setWidthPercentage(100.0F);
table.setHeaderRows(1);
table.getDefaultCell().setHorizontalAlignment(1);
PdfPCell cell = null;
//第一行
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setFixedHeight(30);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("内容测试",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("内容测试",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("内容测试",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
//第二行
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setFixedHeight(30);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("内容测试",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("内容测试",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("内容测试",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
//第三行
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setFixedHeight(30);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("内容测试",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph("内容测试",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph(" ",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
cell = new PdfPCell(new Paragraph(" ",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
// 设置表格的列宽和列数
float[] widths2 = {25f,25f,25f,25f,25f,25f};
PdfPTable table2 = new PdfPTable(widths2);
table2.setSpacingBefore(20f);
// 设置表格宽度为100%
table2.setWidthPercentage(100.0F);
table2.setHeaderRows(1);
table2.getDefaultCell().setHorizontalAlignment(1);
//人员列表-第四行
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setFixedHeight(20);
table2.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table2.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table2.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table2.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table2.addCell(cell);
cell = new PdfPCell(new Paragraph("标题",content));
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table2.addCell(cell);
//人员列表数据-第五行
if(list.size() > 0){
for (String prople : list) {
PdfPCell cell1 = new PdfPCell(new Paragraph(prople, content));
PdfPCell cell2 = new PdfPCell(new Paragraph(prople, content));
PdfPCell cell3 = new PdfPCell(new Paragraph(prople, content));
PdfPCell cell4 = new PdfPCell(new Paragraph(prople, content));
PdfPCell cell5 = new PdfPCell(new Paragraph(prople, content));
PdfPCell cell6 = new PdfPCell(new Paragraph(prople, content));
//单元格对齐方式
cell1.setHorizontalAlignment(Element.ALIGN_CENTER);
cell1.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell1.setFixedHeight(20);
//单元格垂直对齐方式
cell2.setHorizontalAlignment(Element.ALIGN_CENTER);
cell2.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell3.setHorizontalAlignment(Element.ALIGN_CENTER);
cell3.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell4.setHorizontalAlignment(Element.ALIGN_CENTER);
cell4.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell5.setHorizontalAlignment(Element.ALIGN_CENTER);
cell5.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell6.setHorizontalAlignment(Element.ALIGN_CENTER);
cell6.setVerticalAlignment(Element.ALIGN_MIDDLE);
table2.addCell(cell1);
table2.addCell(cell2);
table2.addCell(cell3);
table2.addCell(cell4);
table2.addCell(cell5);
table2.addCell(cell6);
}
}
document.add(new Paragraph("\n"));
document.add(new Paragraph("▋ 基本信息",content));
document.add(new Paragraph("\n"));
document.add(table);
document.add(new Paragraph("\n"));
document.add(new Paragraph("▋ 基本信息",content));
document.add(new Paragraph("\n"));
document.add(table2);
//关闭文档
document.close();
} catch (DocumentException e) {
e.printStackTrace();
log.error("导出pdf失败:{}",e);
}
}效果图
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