import com.itextpdf.text.*;
|
import com.itextpdf.text.pdf.*;
|
import com.ltkj.LtkjApplication;
|
import com.ltkj.hosp.mapper.TestMapper;
|
import com.ltkj.web.config.pdfutils.MyHeaderFooter;
|
import lombok.extern.slf4j.Slf4j;
|
import org.junit.Test;
|
import org.junit.runner.RunWith;
|
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
|
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
|
import org.springframework.boot.test.context.SpringBootTest;
|
import org.springframework.test.context.junit4.SpringRunner;
|
|
import javax.annotation.Resource;
|
import java.io.FileOutputStream;
|
import java.io.IOException;
|
import java.io.OutputStream;
|
import java.nio.file.Files;
|
import java.nio.file.Paths;
|
|
/**
|
* @Company: 西安路泰科技有限公司
|
* @Author: lige
|
* @Date: 2023/11/16 16:42
|
*/
|
@RunWith(SpringRunner.class)
|
@SpringBootTest(classes = LtkjApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
|
@Slf4j
|
@EnableAutoConfiguration(exclude = {DataSourceAutoConfiguration.class})
|
public class lgTest {
|
|
@Resource
|
private TestMapper testMapper;
|
|
@Test
|
public void lige() {
|
|
// try {
|
// PdfReader reader = new PdfReader("original.pdf");
|
// PdfStamper stamper = new PdfStamper(reader, new FileOutputStream("output.pdf"));
|
// // 获取 PDF 中的页数
|
// int pageCount = reader.getNumberOfPages();// 添加水印
|
// System.out.println(pageCount);
|
// for (int i = 1; i <= pageCount; i++) {
|
// final int numberOfPages = reader.getNumberOfPages(i);
|
// }
|
// stamper.close();
|
// reader.close();
|
//
|
// } catch (Exception e) {
|
// e.printStackTrace();
|
// }
|
|
|
}
|
|
|
/**
|
* @param srcPdfPath 源PDF文件路径
|
* @param tagetPdfPath 加了页码的PDF文件路径
|
* @description 给PDF文件添加页码
|
*/
|
public static void addPageNum(String srcPdfPath, String tagetPdfPath) {
|
try {
|
// 输出文件 流
|
FileOutputStream fos = new FileOutputStream(tagetPdfPath);
|
|
// 读取 源PDF文件，进行一页一页复制，才能触发 添加页码的 页面监听事件
|
PdfReader reader = new PdfReader(srcPdfPath);
|
// 获取 源文件总页数
|
int num = reader.getNumberOfPages();
|
|
// 新建文档，默认A4大小
|
Document document = new Document(PageSize.A4);
|
PdfWriter writer = PdfWriter.getInstance(document, fos);
|
// 设置页面监听事件，必须在open方法前
|
writer.setPageEvent(new PdfNumPageEvent(num));
|
document.open();
|
// PDF内容体
|
PdfContentByte pdfContent = writer.getDirectContent();
|
//System.out.println("总页数：" + num);
|
// 页面数是从1开始的
|
for (int i = 1; i <= num; i++) {
|
document.newPage();
|
// 设置空页码进行展示
|
writer.setPageEmpty(false);
|
PdfImportedPage page = writer.getImportedPage(reader, i);
|
// 复制好的页面，添加到内容去，触发事件监听
|
pdfContent.addTemplate(page, 0, 42);
|
}
|
document.close();
|
reader.close();
|
} catch (Exception e) {
|
e.printStackTrace();
|
}
|
}
|
|
|
/**
|
* @description 针对页码生成的PDF事件监听
|
**/
|
public static class PdfNumPageEvent extends PdfPageEventHelper {
|
|
private int total;
|
|
PdfNumPageEvent() {
|
|
}
|
|
PdfNumPageEvent(int num) {
|
this.total = num;
|
}
|
|
@Override
|
public void onEndPage(PdfWriter writer, Document document) {
|
try {
|
// PDF文档内容
|
PdfContentByte pdfContent = writer.getDirectContent();
|
pdfContent.saveState();
|
pdfContent.beginText();
|
int footerFontSize = 10;
|
// 解决页码中文无法显示 或者 显示为乱码的问题
|
// 但是必须引入jar包 itext-asian-5.2.0.jar
|
BaseFont baseFont = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", false);
|
Font fontDetail = new Font(baseFont, footerFontSize, Font.NORMAL);
|
pdfContent.setFontAndSize(baseFont, footerFontSize);
|
// 页脚的页码 展示
|
String footerNum = String.format("第%d页，共" + total + "页", writer.getPageNumber());
|
Phrase phrase = new Phrase(footerNum, fontDetail);
|
// 页码的 横轴 坐标 居中
|
float x = (document.left() + document.right()) / 2 + 10;
|
// 页码的 纵轴 坐标
|
float y = document.bottom(-20);
|
// 添加文本内容，进行展示页码
|
ColumnText.showTextAligned(pdfContent, Element.ALIGN_CENTER, phrase, x, y, 0);
|
pdfContent.endText();
|
pdfContent.restoreState();
|
} catch (Exception e) {
|
e.printStackTrace();
|
}
|
}
|
}
|
|
|
public static void main(String[] args) {
|
Long a = 12L;
|
final long l = a + 10000;
|
final String s = "V" + l;
|
System.out.println(s);
|
|
}
|
}
|
