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@0532 0532/TemVchPrintService.java Secret
Created Sep 29, 2014

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分页模板(PDF)打印
package feb.service;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.pdf.*;
import feb.print.model.Vchset;
import org.springframework.stereotype.Service;
import javax.faces.context.FacesContext;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/**
* Created with IntelliJ IDEA.
* User: Lichao.W
* Date: 14-4-18
* Time: 下午3:02
* To change this template use File | Settings | File Templates.
*/
@Service
public class TemVchPrintService {
private String fileName;
public void printVch(String vchset, String sysdat, String txntim, String tlrnum, java.util.List<Vchset> vchList) throws IOException, DocumentException {
fileName = TemPrintService.class.getClassLoader().getResource("feb/pdfTemplates/vchTemp.pdf").getPath();
int count = vchList.size(); // 总行数
int pageCount = 20; // 每页记录数
int page = 0; // 总共页数
/** 主要控制总共的页数*/
if (count >= pageCount && count % pageCount == 0) {
page = count / pageCount;
} else {
page = count / pageCount + 1;
}
ByteArrayOutputStream baos[] = new ByteArrayOutputStream[page];
for (int item = 0; item < page; item++) {
baos[item] = new ByteArrayOutputStream();
PdfReader reader = new PdfReader(fileName);
PdfStamper ps = new PdfStamper(reader, baos[item]);
AcroFields fields = ps.getAcroFields();
fields.setField("date", sysdat);
fields.setField("vch", vchset);
fields.setField("time", txntim);
fields.setField("tell", tlrnum);
int i = 0;
int from = item*20;
int to = from +20;
if (to>count){
to = count;
}
for (Vchset vch : vchList.subList(from,to)) {
for (int j = 0; j < 8; j++) {
switch (j) {
case 0:
fields.setField("Text1." + i + "." + j, vch.getSETSEQ());
break;
case 1:
fields.setField("Text1." + i + "." + j, vch.getACTNUM());
break;
case 2:
fields.setField("Text1." + i + "." + j, vch.getRVSLBL());
break;
case 3:
fields.setField("Text1." + i + "." + j, vch.getTXNAMT());
break;
case 4:
fields.setField("Text1." + i + "." + j, vch.getFURINF());
break;
case 5:
fields.setField("Text1." + i + "." + j, vch.getVALDAT());
break;
case 6:
fields.setField("Text1." + i + "." + j, vch.getANACDE());
break;
case 7:
fields.setField("Text1." + i + "." + j, vch.getVCHATT());
break;
default:
break;
}
}
i++;
}
ps.setFormFlattening(true);
ps.close();
}
FacesContext ctx = FacesContext.getCurrentInstance();
HttpServletResponse resp = (HttpServletResponse) ctx.getExternalContext().getResponse();
Document document = new Document();
ByteArrayOutputStream bao = new ByteArrayOutputStream();
PdfCopy pdfCopy = new PdfCopy(document, bao);
document.open();
PdfImportedPage impPage = null;
/**取出之前保存的每页内容*/
for (int i = 0; i < page; i++) {
impPage = pdfCopy.getImportedPage(new PdfReader(baos[i]
.toByteArray()), 1);
pdfCopy.addPage(impPage);
}
pdfCopy.addJavaScript("this.print({bUI: false,bSilent: true,bShrinkToFit: false});" + "\r\nthis.closeDoc();");
document.close();
resp.reset();
ServletOutputStream out = resp.getOutputStream();
resp.setContentType("application/pdf");
resp.setHeader("Content-disposition", "inline");
resp.setContentLength(bao.size());
resp.setHeader("Cache-Control", "max-age=30");
bao.writeTo(out);
out.flush();
out.close();
ctx.responseComplete();
}
}
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