java根据pdf模版动态生成pdf
package com.utils; import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry; import org.apache.commons.io.FileUtils;
import org.xhtmlrenderer.pdf.ITextFontResolver;
import org.xhtmlrenderer.pdf.ITextRenderer; import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.pdf.AcroFields;
import com.itextpdf.text.pdf.AcroFields.Item;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfStamper;
import com.itextpdf.text.pdf.PdfWriter; /**
* 根据pdf模版动态生成pdf工具类
*/
public class PDFReplaceUtils { public static final String htmlPreffix = "<!DOCTYPE html [<!ENTITY nbsp \" \"> ]><html><head><meta charset=\"UTF-8\"></meta><title></title></head><body>";
public static final String htmlSuffix = "</body></html>" ; /**
* 动态生成pdf
*
* @
* @date 2017年11月5日 上午11:40:44
* @param fileName
* 模版路径
* @param outFileName
* 生成pdf路径
* @param map
* 动态赋值pdf文本域名称和值
* @throws IOException
* @throws DocumentException
*/
public static void pdf(String fileName, String outFileName, Map<String, String> map)
throws IOException, DocumentException {
PdfReader reader = new PdfReader(fileName);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
PdfStamper ps = new PdfStamper(reader, bos);
BaseFont bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
ArrayList<BaseFont> fontList = new ArrayList<BaseFont>();
fontList.add(bf); AcroFields s = ps.getAcroFields();
s.setSubstitutionFonts(fontList);
Map<String, Item> fieldMap = s.getFields(); // pdf表单相关信息展示
for (Entry<String, Item> entry : fieldMap.entrySet()) {
String name = entry.getKey(); // name就是pdf模版中各个文本域的名字
Item item = entry.getValue();
}
// 给pdf文本域赋值
for (Entry<String, String> maps : map.entrySet()) {
s.setField(maps.getKey(), maps.getValue());
}
ps.setFormFlattening(true); // 不能少
ps.close(); OutputStream fos = new FileOutputStream(outFileName);
fos.write(bos.toByteArray());
fos.flush();
fos.close();
bos.close();
reader.close();
} /**
* 创建pdf表格
*
* @
* @date 2017年11月5日 下午8:48:07
* @param fileName
* 表格名称
* @param columnNum
* 列数
* @param lists
* 单元格内容
* @throws DocumentException
* @throws IOException
*/
public static void createPdfTable(String fileName, int columnNum, List<Map<String, String>> lists)
throws DocumentException, IOException {
Document document = new Document(PageSize.A4); PdfWriter.getInstance(document, new FileOutputStream(fileName));
document.open(); PdfPTable table = new PdfPTable(columnNum);
table.setTotalWidth(50);
table.setHeaderRows(0);
table.setSpacingBefore(10f);
BaseFont bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
Font chinese = new Font(bf, 12, Font.NORMAL);
Phrase phrase;
PdfPCell cell;
for (Map<String, String> map : lists) {
for (Entry<String, String> maps : map.entrySet()) {
phrase = new Phrase(maps.getValue(), chinese);
cell = new PdfPCell(phrase);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
table.addCell(cell);
}
}
document.add(table);
document.close();
} /**
* 多个pdf合并，根据参数选择是否删除参与合并的pdf、 将合并后的pdf名称改为第几个参与合并的名称 注：需参与合并的pdf文件 请按需求正序排序
*
* @
* @date 2017年11月7日 下午8:46:43
* @param fileList
* 要合并的pdf集合
* @param newFile
* 新文件
* @param isDelete
* 是否删除参与合并的pdf文件
* @param numFileName
* 将新pdf文件名改为 第几个 参与合并pdf名
* @throws DocumentException
* @throws IOException
*/
public static void mergePdfFiles(List<String> fileList, String newFile, Boolean isDelete, Integer numFileName)
throws DocumentException, IOException {
PdfReader[] readers = new PdfReader[fileList.size()];
readers[0] = new PdfReader(fileList.get(0));
PdfStamper stamp = new PdfStamper(readers[0], new FileOutputStream(newFile));
PdfContentByte under;
int pageNum = 1;
for (int i = 1; i < fileList.size(); i++) {
readers[i] = new PdfReader(fileList.get(i), null);
pageNum += readers[i].getNumberOfPages();
stamp.insertPage(pageNum, PageSize.A4);
under = stamp.getUnderContent(pageNum);
under.addTemplate(stamp.getImportedPage(readers[i], 1), 1, 0, 0, 1, 0, 0);
}
stamp.close();
for (PdfReader pdfReader : readers) {
pdfReader.close();
} if (isDelete != null && isDelete == true) {
// 循环删除文件
for (String file : fileList) {
new File(file).delete();
}
} if (numFileName != null && numFileName > 0) {
// 将新文件名改为第N个文件的路径
File modifyFileName = new File(newFile);
modifyFileName.renameTo(new File(fileList.get(numFileName - 1)));
}
} /**
* 富文本生成pdf文件
*
* @param context
* html格式文本数据
* @param outputFile
* 输出pdf文件的路径
* @return
* @throws Exception
*/
public static boolean convertHtmlToPdf(String context, String outputFile,String fontPath) throws Exception { OutputStream os = new FileOutputStream(outputFile);
ITextRenderer renderer = new ITextRenderer();
renderer.setDocumentFromString(context); // 解决中文支持问题
ITextFontResolver fontResolver = renderer.getFontResolver();
fontResolver.addFont(fontPath, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
// 解决图片的相对路径问题
// renderer.getSharedContext().setBaseURL("file:/D:/");
renderer.layout();
renderer.createPDF(os); os.flush();
os.close();
return true;
} public static void main(String[] args) throws IOException, DocumentException {
// List<String> list = new LinkedList<String>();
// list.add("D:/1.pdf");
// list.add("D:/2.pdf");
// list.add("D:/3.pdf");
// String newFile = "D:/4.pdf";
// try {
// PDFReplaceUtils.mergePdfFiles(list, newFile, true, 2);
// } catch (DocumentException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// } catch (IOException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// } byte[] bytes;
try {
// bytes = FileUtils.readFileToByteArray(new File("D:/pdftest.html"));
// convertHtmlToPdf(new String(bytes),"D:/lc.pdf","D:/simsun.ttc");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
} Map<String, String> map = new HashMap<String, String>();
map.put("ProtocolNo", "jj");
map.put("Borrower", "qq");
map.put("Mobile", "12345678912");
pdf("D:/jcsBorrow.pdf", "D:/test.pdf", map); // try {
// List<Map<String, String>> list = null;
// Map<String, String> map = new HashMap<String, String>();
// list = new LinkedList<Map<String, String>>();
// map.put("出借人(会员号)", "出借人(会员号)");
// map.put("出借人身份证号", "出借人身份证号");
// map.put("出借金额", "出借金额");
// map.put("借款开始日", "借款开始日");
// map.put("月截止还款日", "月截止还款日");
// map.put("年利率", "年利率");
// map.put("还款方式", "还款方式");
// list.add(map);
// createPdfTable("D:/test.pdf", 7, list);
// } catch (DocumentException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// } catch (IOException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
}
}