public static boolean mergePdfs(String pdfpath,String pdfname,List paths){
boolean result = true;
PdfReader pdfreader = null;
Document document = null;
FileOutputStream outputStream = null;
PdfCopy copy = null;
try {
pdfreader = new PdfReader(pdfpath + "0.pdf");
document = new Document(pdfreader.getPageSize(1));
outputStream = new FileOutputStream(pdfpath + pdfname);
copy = new PdfCopy(document, outputStream);
document.open();
int i = 0;
while(i <= paths.size() - 1){
PdfReader tempReader = new PdfReader(paths.get(i));
int n = tempReader.getNumberOfPages();
for (int j = 1; j <= n; j++) {
document.newPage();
PdfImportedPage page = copy.getImportedPage(tempReader, j);
copy.addPage(page);
}
tempReader.close();
i++;
}
copy.close();
outputStream.close();
document.close();
pdfreader.close();
} catch (Exception e) {
logger.error("PdfUtils.mergePdfs异常[{}]",e);
return false;
}finally {
try {
copy.close();
outputStream.close();
document.close();
pdfreader.close();
} catch (IOException e) {
logger.error("PdfUtils.getBusOrderPaths异常：[{}]", e);
}
}
return result;
}
以上代码合并pdf，原有的pdf有签字域，合并生成的新pdf，签字域丢失(java代码获取不到签字域),哪位大佬看下
