Java操作PDF，在PDF模板中插⼊表格
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.11</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itext-asian</artifactId>
<version>5.2.0</version>
</dependency>
/
**
* 成绩导出pdf
* @return
*/
@Log(title = "成绩导出pdf", businessType = BusinessType.OTHER)
@GetMapping( "/scoreExportPdf")
public void scoreExportPdf(String xh, HttpServletResponse response) {
//⽤户信息
XyUser xyUser = xyUserService.selectXyUserByXH(xh);
if (xyUser == null) {
//            return AjaxResult.success("未查到该学号⽤户");
return;
}
String LOCAL_LIST_PATH = "classpath:ehcache/score.pdf";
InputStream inputStream = null;
PdfReader reader = null;
try {
inputStream = InputStreamForPath(LOCAL_LIST_PATH);
reader = new PdfReader(inputStream);
} catch (IOException e) {
<(e.getMessage());
}
String profile = Profile()+"/scoreExportPdf/";
File desc = new File(profile);
//判断是否有该⽂件夹，没有的话创建
if (!ists()) {
desc.mkdirs();
}
profile += UUID.randomUUID().toString()+".pdf";
PdfStamper stamper = null;
FileOutputStream fileOutputStream = null;
try {
fileOutputStream = new FileOutputStream(profile);
stamper = new PdfStamper(reader, fileOutputStream);
} catch (DocumentException e) {
<(e.getMessage());
} catch (IOException e) {
<(e.getMessage());
}
PdfContentByte overContent = OverContent(1);
htmlborder//添加⽂字
BaseFont font = null;
try {
font = ateFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
} catch (DocumentException e) {
<(e.getMessage());
} catch (IOException e) {
<(e.getMessage());
}
overContent.beginText();
overContent.setFontAndSize(font, 10);
overContent.setTextMatrix(200, 200);
overContent.showTextAligned(Element.ALIGN_CENTER,"成绩单",300,730,0);
overContent.showTextAligned(Element.ALIGN_CENTER,"学号："+Xh()+"      姓名："+Mz()+"      年级："+Nj()+"      专业："+Zy()+"      层次："+Cc(),300,710,0);
//        overContent.showTextAligned(Element.ALIGN_CENTER,"需要添加的⽂字1  222",100,715,0);
//        overContent.showTextAligned(Element.ALIGN_CENTER,"需要添加的⽂字  2",100,700,0);
//横向分割
PdfPTable table = new PdfPTable(8);
table.setHeaderRows(1);
//边框
//标题
Font font1 = new Font(font, 10, Font.NORMAL);
Font font2 = new Font(font, 8, Font.NORMAL,new BaseColor(54, 95, 145));
Font font3 = new Font(font, 8, Font.NORMAL);
PdfPCell begCell = new PdfPCell(new Paragraph("课程名称",font1));
begCell.setHorizontalAlignment(Element.ALIGN_CENTER);
begCell.setBackgroundColor(new BaseColor(122, 193, 236));
begCell.setBorder(0);
table.addCell(begCell);
PdfPCell begCell1 = new PdfPCell(new Paragraph("课程性质",font1));
begCell1.setHorizontalAlignment(Element.ALIGN_CENTER);
begCell1.setBackgroundColor(new BaseColor(122, 193, 236));
begCell1.setBorder(0);
table.addCell(begCell1);
PdfPCell begCell2 = new PdfPCell(new Paragraph("学分",font1));
begCell2.setHorizontalAlignment(Element.ALIGN_CENTER);
begCell2.setBackgroundColor(new BaseColor(122, 193, 236));
begCell2.setBorder(0);
table.addCell(begCell2);
PdfPCell begCell3 = new PdfPCell(new Paragraph("成绩",font1));
begCell3.setHorizontalAlignment(Element.ALIGN_CENTER);
begCell3.setBackgroundColor(new BaseColor(122, 193, 236));
begCell3.setBorder(0);
begCell3.setBorderWidthRight(0.3f);
begCell3.setBorderColorRight(new BaseColor(170, 170, 170));
table.addCell(begCell3);
PdfPCell begCellExt = new PdfPCell(new Paragraph("课程名称",font1));
begCellExt.setHorizontalAlignment(Element.ALIGN_CENTER);
begCellExt.setBackgroundColor(new BaseColor(122, 193, 236));
begCellExt.setBorder(0);
table.addCell(begCellExt);
PdfPCell begCellExt1 = new PdfPCell(new Paragraph("课程性质",font1));
begCellExt1.setHorizontalAlignment(Element.ALIGN_CENTER);
begCellExt1.setBackgroundColor(new BaseColor(122, 193, 236));
begCellExt1.setBorder(0);
table.addCell(begCellExt1);
PdfPCell begCellExt2 = new PdfPCell(new Paragraph("学分",font1));
begCellExt2.setHorizontalAlignment(Element.ALIGN_CENTER);
begCellExt2.setBackgroundColor(new BaseColor(122, 193, 236));
begCellExt2.setBorder(0);
begCellExt2.setBorder(0);
table.addCell(begCellExt2);
PdfPCell begCellExt3 = new PdfPCell(new Paragraph("成绩",font1));
begCellExt3.setHorizontalAlignment(Element.ALIGN_CENTER);
begCellExt3.setBackgroundColor(new BaseColor(122, 193, 236));
begCellExt3.setBorder(0);
table.addCell(begCellExt3);
/
/根据学号查询成绩
List<XyStudentAchievement> xyStudentAchievementList = xyStudentAchievementMapper.selectXyStudentAchievementXhList(xh);
List<String> stringList = xyStudentAchievementList.stream().map(XyStudentAchievement::getXn).distinct().List());
for (String xn : stringList) {
//当前学期课程数
List<XyStudentAchievement> collect = xyStudentAchievementList.stream().filter(xyStudentAchievement -> Xn().equals(x n)).List());
Map<String, Object> objectMap = schoolScore(collect);
//设置学期
PdfPCell beg = new PdfPCell(new Paragraph(xn + " （第"+(0).getXq()+"）学期平均分："+("avg")+"，学分："+objectMap.g et("xfCount")+"，GPA："+("gpa")+"/5 ",font2));
beg.setColspan(6);
beg.setBorder(0);
beg.setBorderWidthBottom(0.3f);
beg.setBorderColorBottom(new BaseColor(170, 170, 170));
//边框颜⾊
//            beg.setBorderColor(new BaseColor(54, 95, 145));
table.addCell(beg);
PdfPCell beg1 = new PdfPCell(new Paragraph("⼩计：课程数"+collect.size()+"，",font2));
beg1.setColspan(2);
beg1.setBorder(0);
beg1.setBorderWidthBottom(0.3f);
beg1.setBorderColorBottom(new BaseColor(170, 170, 170));
beg1.setHorizontalAlignment(Element.ALIGN_LEFT);
table.addCell(beg1);
int result = 0;
for (XyStudentAchievement xyStudentAchievement : collect) {
result++;
//添加课程
//课程名称
PdfPCell kecCell = new PdfPCell(new Kcmc(),font3));
kecCell.setColspan(1);
kecCell.setHorizontalAlignment(Element.ALIGN_CENTER);
kecCell.setBorder(0);
kecCell.setBorderWidthBottom(0.3f);
kecCell.setBorderColorBottom(new BaseColor(170, 170, 170));
table.addCell(kecCell);
//课程性质
PdfPCell kecCell1 = new PdfPCell(new Kcxz(),font3));
kecCell1.setColspan(1);
kecCell1.setHorizontalAlignment(Element.ALIGN_CENTER);
kecCell1.setBorder(0);
kecCell1.setBorderWidthBottom(0.3f);
kecCell1.setBorderColorBottom(new BaseColor(170, 170, 170));
table.addCell(kecCell1);
//学分
PdfPCell kecCell2 = new PdfPCell(new Xf(),font3));
kecCell2.setColspan(1);
kecCell2.setHorizontalAlignment(Element.ALIGN_CENTER);
kecCell2.setBorder(0);
kecCell2.setBorderWidthBottom(0.3f);
kecCell2.setBorderColorBottom(new BaseColor(170, 170, 170));
table.addCell(kecCell2);
/
/成绩
PdfPCell kecCell3 = new PdfPCell(new Kccj(),font3));
PdfPCell kecCell3 = new PdfPCell(new Kccj(),font3));
kecCell3.setColspan(1);
kecCell3.setHorizontalAlignment(Element.ALIGN_CENTER);
kecCell3.setBorder(0);
kecCell3.setBorderWidthBottom(0.3f);
kecCell3.setBorderColorBottom(new BaseColor(170, 170, 170));
if (result%2 == 1) {
kecCell3.setBorderWidthRight(0.3f);
kecCell3.setBorderColorRight(new BaseColor(170, 170, 170));
}
table.addCell(kecCell3);
}
if (collect.size()%2 == 1) {
PdfPCell kecCell3 = new PdfPCell(new Paragraph("",font3));
kecCell3.setColspan(4);
kecCell3.setBorder(0);
kecCell3.setBorderWidthBottom(0.3f);
kecCell3.setBorderColorBottom(new BaseColor(170, 170, 170));
table.addCell(kecCell3);
}
}
//底部总计
if (xyStudentAchievementList.size() > 0) {
Map<String, Object> objectMap = schoolScore(xyStudentAchievementList);
//设置学期
PdfPCell beg = new PdfPCell(new Paragraph("总计：课程数："+xyStudentAchievementList.size()+"，平均分："+("avg")+"，学分："+ ("xfCount")+"，GPA："+("gpa")+"/5 ",font3));
beg.setColspan(8);
beg.setHorizontalAlignment(Element.ALIGN_RIGHT);
beg.setBorder(0);
table.addCell(beg);
}
table.setTotalWidth(500);
table.writeSelectedRows(0, 8, 0, -1, 40, 700, overContent);
// 设置输出的格式
//        response.setContentType("application/pdf");
//        response.addHeader("content-type","application/x-msdownload");
//        response.addHeader("Content-Disposition","attachment; filename=" + UUID.randomUUID().toString() + ".pdf");
//        OutputStream OS = null;
//        try {
//            OS = OutputStream();
baos.writeTo(OS);
//            OS.ByteArray());
//        } catch (IOException e) {
//            e.printStackTrace();
//        }
//        table.writeSelectedRows(5, -1, 0, -1, 210, 700, overContent);
//        addWatermark(stamper, "www.360sdn" );
//        AcroFields s = AcroFields();
//        //插⼊⽂字
//        insertText(stamper, s);
//
//        try {
/
/            stamper.close();
//        } catch (DocumentException e) {
//            e.printStackTrace();
//        } catch (IOException e) {
//        } catch (IOException e) {
//            e.printStackTrace();
//        }
//        reader.close();
//        PdfContentByte over = OverContent(1);
//        BaseFont bf_times = null;
//        try {
bf_times = ateFont(BaseFont.TIMES_ROMAN, "Cp1252", false);
//            bf_times = ateFont( "STSongStd-Light" ,
//                    "UniGB-UCS2-H",
//                    BaseFont.NOT_EMBEDDED);
bf_times = ateFont(fontPath, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
//        } catch (DocumentException e) {
//            e.printStackTrace();
//        } catch (IOException e) {
//            e.printStackTrace();
//        }
//        over.beginText();
/
/⽤来设置⽂字的位置和字体---开始
//        over.setColorFill(BaseColor.RED);
//        over.setFontAndSize(bf_times,16);
//        over.setTextRise(45);//斜度
//横向居中
//under.setTextMatrix((pageWidth-fontSize*stampStr.length())/2+50,(pageHeight-fontSize*stampStr.length())/2+100); //        PdfGState gs = new PdfGState();
//        gs.setFillOpacity(0.3f);// 设置透明度为0.8
//        over.setGState(gs);
//⽤来设置⽂字的位置和字体---结束
//        over.setTextMatrix(100,400);
//        wlineShowText("姓名\t成绩\t学号\t性别\n111");
//        dText();
try {
stamper.close();
} catch (DocumentException e) {
<(e.getMessage());
} catch (IOException e) {
<(e.getMessage());
}
response.setContentType("application/pdf");
//        response.addHeader("content-type","application/x-msdownload");
//        response.addHeader("Content-Disposition","attachment; filename=" + UUID.randomUUID().toString() + ".pdf");        FileInputStream in = null;
try {
in = new FileInputStream(new File(profile));
OutputStream out = OutputStream();
byte[] b = new byte[512];
while ((in.read(b))!=-1) {
out.write(b);
}
out.flush();
in.close();
out.close();
} catch (Exception e) {
<(e.getMessage());
}

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