PDF默认是纵向打印的，通过rotate()来让其改变为横向打印，一般在打印A4 12*21纸以及发票的时候会用横向打印。横向打印时页面会出现行转列以及列转行的情况，因此在设置页面大小的时候一定要宽度设置的宽一些，表格的maxWidth设置在500到600之间就行了，不然会打印的表格就会不是太全或者很少。如果你是纵向打印，那么Rectangle设置页面大小就可以根据实际情况设置了。下面附上代码：

package com.ucfgroup.framework.web.app.company.service.process.pdf.pzPrint;

import java.io.File;

import java.io.FileOutputStream;

import java.math.BigDecimal;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import com.itextpdf.text.Document;

import com.itextpdf.text.Element;

import com.itextpdf.text.Font;

import com.itextpdf.text.Phrase;

import com.itextpdf.text.Rectangle;

import com.itextpdf.text.pdf.BaseFont;

import com.itextpdf.text.pdf.PdfPCell;

import com.itextpdf.text.pdf.PdfPTable;

import com.itextpdf.text.pdf.PdfWriter;

import com.ucfgroup.framework.utils.DateUtil;

import com.ucfgroup.framework.utils.NumberUtil;

import com.ucfgroup.framework.utils.Rmb;

import com.ucfgroup.framework.web.app.company.entity.CAccvouchAndDetail;

import com.ucfgroup.framework.web.app.company.entity.CUserZt;

public class PDFPrint {

Rectangle pageSize = new Rectangle(1000,730);

Document document = new Document(pageSize);// 建立一个Document对象

private static Font headfont;// 设置字体大小

private static Font keyfont;// 设置字体大小

private static Font textfont;// 设置字体大小

private static Font textfontHead;// 设置字体大小

private static int fm = 0;// 凭证号：记-后面的分母

private static int jcount = 0;// 凭证号：记-后面的分子

@SuppressWarnings("unused")

private static int pageNumber = 0;// 当前页

@SuppressWarnings("unused")

private static int totalPage = 0;// 总页数

private static int totalXhCount = 0;// 总共循环次数

BigDecimal totalJfh = BigDecimal.ZERO;//合计借方和

BigDecimal totalDfh = BigDecimal.ZERO;//合计贷方和

BigDecimal morepageTotalJF=BigDecimal.ZERO;//计算凭证分页时候的总和

static {

BaseFont bfChinese;

try {

bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);

headfont = new Font(bfChinese, 19, Font.BOLD);// 设置字体大小

keyfont = new Font(bfChinese, 15, Font.BOLD);// 设置字体大小

textfont = new Font(bfChinese, 10, Font.NORMAL);// 设置字体大小

textfontHead = new Font(bfChinese, 11, Font.NORMAL);// 设置字体大小

} catch (Exception e) {

e.printStackTrace();

}

}

public PDFPrint(File file,int totalXhCountp,int pageNumberp,int totalPagep,int fmp ,int jcountp) {

totalXhCount = totalXhCountp;

pageNumber = pageNumberp;

fm = fmp;

jcount = jcountp;

document.setPageSize(pageSize.rotate());// 设置页面大小

document.setMargins(60, 50, 30, 10);

try {

PdfWriter.getInstance(document, new FileOutputStream(file));

document.open();

} catch (Exception e) {

e.printStackTrace();

}

}

int maxWidth = 630;

public PdfPCell createCell(String value, com.itextpdf.text.Font font, int align, int width) {

PdfPCell cell = new PdfPCell();

cell.setVerticalAlignment(Element.ALIGN_MIDDLE);

cell.setHorizontalAlignment(align);

cell.setPhrase(new Phrase(value, font));

cell.setPaddingBottom(3);

cell.setPaddingTop(3);

//cell.setFixedHeight(35);

return cell;

}

public PdfPCell createCell(String value, com.itextpdf.text.Font font, int width) {

PdfPCell cell = new PdfPCell();

cell.setPhrase(new Phrase(value, font));

cell.setPaddingBottom(11);

cell.setPaddingTop(11);

//cell.setFixedHeight(35);

return cell;

}

public PdfPCell createCell(String value, com.itextpdf.text.Font font) {

PdfPCell cell = new PdfPCell();

cell.setPhrase(new Phrase(value, font));

cell.setPaddingBottom(11);

cell.setPaddingTop(11);

return cell;

}

public PdfPCell createCell(String value, com.itextpdf.text.Font font, int align, int colspan, boolean boderFlag,

int width) {

PdfPCell cell = new PdfPCell();

cell.setVerticalAlignment(Element.ALIGN_MIDDLE);

cell.setHorizontalAlignment(align);

cell.setColspan(colspan);

cell.setPhrase(new Phrase(value, font));

cell.setPadding(3.0f);

if (!boderFlag) {

cell.setBorder(0);

// cell.setPaddingBottom(-50);

}

cell.setFixedHeight(30);

return cell;

}

public PdfPCell createCell(String value, com.itextpdf.text.Font font, int align, int colspan, boolean boderFlag) {

PdfPCell cell = new PdfPCell();

cell.setVerticalAlignment(Element.ALIGN_MIDDLE);

cell.setHorizontalAlignment(align);

cell.setColspan(colspan);

cell.setPhrase(new Phrase(value, font));

cell.setPadding(3.0f);

if (!boderFlag) {

cell.setBorder(0);

}

cell.setFixedHeight(30);

if(value.contains("凭证号：记-")){

cell.setHorizontalAlignment(Element.ALIGN_RIGHT);

//cell.setPaddingLeft(-5);

}

return cell;

}

public PdfPCell createCell(String value, com.itextpdf.text.Font font, int align, int colspan, boolean boderFlag,

String flag) {

PdfPCell cell = new PdfPCell();

cell.setVerticalAlignment(Element.ALIGN_LEFT);

cell.setHorizontalAlignment(align);

cell.setColspan(colspan);

cell.setPhrase(new Phrase(value, font));

cell.setPadding(3.0f);

if (!boderFlag) {

cell.setBorder(0);

cell.setPaddingTop(15.0f);

cell.setPaddingBottom(8.0f);

}

cell.setPaddingTop(8);

cell.setPaddingLeft(-2);

if(flag.equals("3")){

cell.setPaddingLeft(-50);

}

if(flag.equals("4")){

cell.setPaddingLeft(-30);

}

return cell;

}

public PdfPTable createTable(int colNumber) {

PdfPTable table = new PdfPTable(colNumber);

try {

table.setTotalWidth(maxWidth);

table.setLockedWidth(true);

table.setHorizontalAlignment(Element.ALIGN_CENTER);

table.getDefaultCell().setBorder(1);

} catch (Exception e) {

e.printStackTrace();

}

return table;

}

public PdfPTable createTable(float[] widths) {

PdfPTable table = new PdfPTable(widths);

try {

table.setTotalWidth(maxWidth);

table.setLockedWidth(true);

table.setHorizontalAlignment(Element.ALIGN_CENTER);

table.getDefaultCell().setBorder(1);

} catch (Exception e) {

e.printStackTrace();

}

return table;

}

public PdfPTable createBlankTable() {

PdfPTable table = new PdfPTable(1);

table.getDefaultCell().setBorder(0);

table.addCell(createCell("", keyfont));

table.setSpacingAfter(20.0f);

table.setSpacingBefore(20.0f);

return table;

}

public void generatePDF(HttpServletRequest request, List list) throws Exception {

int count = 0;

CUserZt zt = (CUserZt) request.getSession().getAttribute("ZTModel");

BigDecimal total = BigDecimal.ZERO;

BigDecimal totalJf = BigDecimal.ZERO;

BigDecimal totalDf = BigDecimal.ZERO;

int caccno = list.get(0).getCaccno();

String caccnoStr = "" + caccno;

if (caccno < 10) {

caccnoStr = "00" + caccno;

}

if (caccno >= 10 && caccno < 100) {

caccnoStr = "0" + caccno;

}

if (fm > 1) {

caccnoStr += "-" + jcount + "/" + fm;

}

PdfPTable table = createTable(4);

table.setWidths(new float[] { 0.22f, 0.42f, 0.18f, 0.18f });// 每个单元格占多宽

PdfPCell createCellp = createCell("yyyy", headfont, Element.ALIGN_CENTER, 1, false, 258);

createCellp.setPaddingLeft(25);

table.addCell(createCell("", headfont, Element.ALIGN_CENTER, 1, false, 202));

table.addCell(createCellp);

table.addCell(createCell("", headfont, Element.ALIGN_CENTER, 1, false, 115));

table.addCell(createCell("附单据数：" + list.get(0).getcFj(), keyfont, Element.ALIGN_RIGHT, 1, false, 115));

table.addCell(createCell(zt.getZtname(), textfontHead, Element.ALIGN_LEFT, 1, false));

table.addCell(createCell("日期：" + DateUtil.dateToString(list.get(0).getCdate(), "yyyy-MM-dd"), textfontHead,

Element.ALIGN_CENTER, 1, false));

//table.addCell(createCell(" ", textfontHead, Element.ALIGN_CENTER, 1, false));

PdfPCell caccnoCell = createCell("凭证号：记-" + caccnoStr, textfontHead, Element.ALIGN_RIGHT, 2, false);

table.addCell(caccnoCell);

PdfPCell createDigestCell = createCell("摘要", keyfont, Element.ALIGN_CENTER, 202);

createDigestCell.setBorderWidthLeft(1.5f);

createDigestCell.setBorderWidthTop(1.5f);

createDigestCell.setBorderWidthBottom(1.5f);

createDigestCell.setFixedHeight(25);

PdfPCell createSubjectCell = createCell("科目名称", keyfont, Element.ALIGN_CENTER, 258);

createSubjectCell.setBorderWidthTop(1.5f);

createSubjectCell.setBorderWidthBottom(1.5f);

createSubjectCell.setFixedHeight(25);

PdfPCell createJfCell = createCell("借方", keyfont, Element.ALIGN_CENTER, 115);

createJfCell.setBorderWidthTop(1.5f);

createJfCell.setBorderWidthBottom(1.5f);

createJfCell.setFixedHeight(25);

PdfPCell createDfCell = createCell("贷方", keyfont, Element.ALIGN_CENTER, 115);

createDfCell.setBorderWidthTop(1.5f);

createDfCell.setBorderWidthBottom(1.5f);

createDfCell.setBorderWidthRight(1.5f);

createDfCell.setFixedHeight(25);

table.addCell(createDigestCell);

table.addCell(createSubjectCell);

table.addCell(createJfCell);

table.addCell(createDfCell);

for (CAccvouchAndDetail cAccvouchAndDetail : list) {

PdfPCell createDigestTextLeftCell = createCell(cAccvouchAndDetail.getCdigest(), textfont, 202);

createDigestTextLeftCell.setBorderWidthLeft(1.5f);

table.addCell(createDigestTextLeftCell);

table.addCell(createCell(cAccvouchAndDetail.getCcodename(), textfont, 258));

PdfPCell createCellj = createCell(judgeMoney(cAccvouchAndDetail.getcJf()), textfont, 115);

createCellj.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCellj.setHorizontalAlignment(Element.ALIGN_RIGHT);

PdfPCell createCelld = createCell(judgeMoney(cAccvouchAndDetail.getcDf()), textfont, 115);

createCelld.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCelld.setHorizontalAlignment(Element.ALIGN_RIGHT);

createCelld.setBorderWidthRight(1.5f);

table.addCell(createCellj);

table.addCell(createCelld);

total = total.add(cAccvouchAndDetail.getcJf() == null ? BigDecimal.ZERO : cAccvouchAndDetail.getcJf());

totalJf = totalJf.add(cAccvouchAndDetail.getcJf() == null ? BigDecimal.ZERO : cAccvouchAndDetail.getcJf());//借方合计 ---

totalDf = totalDf.add(cAccvouchAndDetail.getcDf() == null ? BigDecimal.ZERO : cAccvouchAndDetail.getcDf());//贷方合计 ---

count += 1;

}

//借方和贷方和的累加 --

for(;totalXhCount

totalJfh = totalJfh.add(totalJf);

totalDfh = totalDfh.add(totalDf);

break;

}

for (int i = count + 1; i < 6; i++) {

PdfPCell leftBlankCell = createCell(" ", textfont, 202);

leftBlankCell.setBorderWidthLeft(1.5f);

table.addCell(leftBlankCell);

table.addCell(createCell(" ", textfont, 258));

table.addCell(createCell(" ", textfont, 115));

PdfPCell rightBlankCell = createCell(" ", textfont, 115);

rightBlankCell.setBorderWidthRight(1.5f);

table.addCell(rightBlankCell);

}

if (total.compareTo(BigDecimal.ZERO) != 0||

totalJf.compareTo(BigDecimal.ZERO) != 0 ||

totalDf.compareTo(BigDecimal.ZERO) != 0) {

if(jcount > 0 && jcount < fm ){//当凭证为多页

PdfPCell createCelln = createCell("合计：", textfontHead, Element.ALIGN_RIGHT);

createCelln.setColspan(2);

createCelln.setPaddingLeft(4);

createCelln.setPaddingBottom(0);

createCelln.setPaddingTop(0);

createCelln.setFixedHeight(17);

createCelln.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCelln.setBorderWidthLeft(1.5f);

createCelln.setBorderWidthTop(1.5f);

createCelln.setBorderWidthBottom(1.5f);

table.addCell(createCelln);

//添加借方金额到表格

PdfPCell createCellJf = createCell(judgeMoney(totalJf), textfontHead,115);

createCellJf.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCellJf.setHorizontalAlignment(Element.ALIGN_RIGHT);

createCellJf.setBorderWidthTop(1.5f);

createCellJf.setBorderWidthBottom(1.5f);

table.addCell(createCellJf);

//添加贷方金额到表格

PdfPCell createCellDf = createCell(judgeMoney(totalDf), textfontHead,115);

createCellDf.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCellDf.setHorizontalAlignment(Element.ALIGN_RIGHT);

createCellDf.setBorderWidthRight(1.5f);

createCellDf.setBorderWidthTop(1.5f);

createCellDf.setBorderWidthBottom(1.5f);

table.addCell(createCellDf);

}

if(jcount == fm ){//当凭证为最后一页时

PdfPCell createCell = createCell("合计：" + Rmb.CmycurD(morepageTotalJF.toString()), textfont,

Element.ALIGN_LEFT);

createCell.setColspan(2);

createCell.setPaddingLeft(4);

createCell.setPaddingBottom(0);

createCell.setPaddingTop(0);

createCell.setFixedHeight(17);

createCell.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCell.setBorderWidthLeft(1.5f);

createCell.setBorderWidthTop(1.5f);

createCell.setBorderWidthBottom(1.5f);

table.addCell(createCell);

PdfPCell createCellJfs = createCell(judgeMoney(morepageTotalJF), textfont,115);

createCellJfs.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCellJfs.setHorizontalAlignment(Element.ALIGN_RIGHT);

createCellJfs.setBorderWidthTop(1.5f);

createCellJfs.setBorderWidthBottom(1.5f);

table.addCell(createCellJfs);

PdfPCell createCellDfs = createCell(judgeMoney(morepageTotalJF), textfont,115);

createCellDfs.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCellDfs.setHorizontalAlignment(Element.ALIGN_RIGHT);

createCellDfs.setBorderWidthRight(1.5f);

createCellDfs.setBorderWidthTop(1.5f);

createCellDfs.setBorderWidthBottom(1.5f);

table.addCell(createCellDfs);

morepageTotalJF=BigDecimal.ZERO;//清除上次的凭证分页金额总和

}

if (jcount == 0 && fm == 1) {//当凭证只有一页

PdfPCell createCell = createCell("合计：" + Rmb.CmycurD(total.toString()), textfont, Element.ALIGN_LEFT);

createCell.setColspan(2);

createCell.setPaddingLeft(4);

createCell.setPaddingBottom(0);

createCell.setPaddingTop(0);

createCell.setFixedHeight(17);

createCell.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCell.setBorderWidthLeft(1.5f);

createCell.setBorderWidthTop(1.5f);

createCell.setBorderWidthBottom(1.5f);

table.addCell(createCell);

PdfPCell createCellJf = createCell(judgeMoney(totalJf), textfont,115);

createCellJf.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCellJf.setHorizontalAlignment(Element.ALIGN_RIGHT);

createCellJf.setBorderWidthTop(1.5f);

createCellJf.setBorderWidthBottom(1.5f);

table.addCell(createCellJf);

PdfPCell createCellDf = createCell(judgeMoney(totalDf), textfont,115);

createCellDf.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCellDf.setHorizontalAlignment(Element.ALIGN_RIGHT);

createCellDf.setBorderWidthTop(1.5f);

createCellDf.setBorderWidthBottom(1.5f);

createCellDf.setBorderWidthRight(1.5f);

table.addCell(createCellDf);

}

} else {

PdfPCell createCell = createCell("合计：", textfont, Element.ALIGN_LEFT);

createCell.setColspan(2);

createCell.setPaddingLeft(4);

createCell.setPaddingBottom(0);

createCell.setPaddingTop(0);

createCell.setFixedHeight(17);

createCell.setVerticalAlignment(Element.ALIGN_MIDDLE);

createCell.setBorderWidthTop(1.5f);

createCell.setBorderWidthBottom(1.5f);

createCell.setBorderWidthLeft(1.5f);

table.addCell(createCell);

table.addCell(createCell(" ", keyfont, Element.ALIGN_CENTER,115));

PdfPCell createSumCell = createCell(" ", keyfont, Element.ALIGN_CENTER,115);

table.addCell(createSumCell);

createSumCell.setBorderWidthTop(1.5f);

createSumCell.setBorderWidthBottom(1.5f);

createSumCell.setBorderWidthRight(1.5f);

}

String shrName = zt.getShrName() == null ? "" : zt.getShrName();

String zdrName = zt.getZdrName() == null ? "" : zt.getZdrName();

String zgrName = zt.getZgName() == null ? "" : zt.getZgName();

table.addCell(createCell("xxxx：" + zdrName, textfont, Element.ALIGN_LEFT, 1, false, "1"));

table.addCell(createCell("xxxx：", textfont, Element.ALIGN_LEFT, 1, false, "2"));

table.addCell(createCell("xxxx："+shrName, textfont, Element.ALIGN_LEFT, 1, false, "3"));

table.addCell(createCell("xxxx：" + zgrName, textfont, Element.ALIGN_LEFT, 1, false, "4"));

document.add(table);

创建Chunk对象，设置下划线的厚度为1

//Chunk strike = new Chunk("");

//strike.setUnderline(1f, 3f);

//document.add(strike);

}

public void printPdf(HttpServletRequest request, Map

List> map, List aidList,int

fmp,int jcountp)

throws Exception {

fm = fmp;

jcount = jcountp;

int mapSize = aidList.size();

int mapYs = mapSize % 2;

if (mapYs > 0) {

totalPage = mapSize / 2 + 1;

} else {

totalPage = mapSize / 2;

}

for (String aid : aidList) {

List list = map.get(aid);

Map> cfListMap = new HashMap>();

int size = list.size();

int cs = size / 5;

int ys = size % 5;

if (cs > 1) {

if (ys > 0) {

fm = cs + 1;

} else {

fm = cs;

}

}

if (cs == 1 && ys > 0) {

fm = 2;

}

if (size > 5) {

int count = 0;

int jsq = 0;// 计数器

for (CAccvouchAndDetail cAccvouchAndDetail : list) {

morepageTotalJF = morepageTotalJF.add(cAccvouchAndDetail.getcJf());

List tempList = cfListMap.get(count);

if (null == tempList || jsq == 5) {

jsq = 0;

tempList = new ArrayList();

tempList.add(cAccvouchAndDetail);

count += 1;

cfListMap.put(count, tempList);

jsq += 1;

} else {

tempList.add(cAccvouchAndDetail);

jsq += 1;

}

}

jcount = 0;

for (int i = 0; i < fm; i++) {

List cfList = cfListMap.get(i + 1);

jcount += 1;

generatePDF(request, cfList);

document.newPage();

totalXhCount += 1;

}

} else {

fm = 1;

jcount = 0;

generatePDF(request, list);

document.newPage();

totalXhCount += 1;

}

}

document.close();

}

public static String leftPad(String str, int i) {

int addSpaceNo = i - str.length();

String space = "";

for (int k = 0; k < addSpaceNo; k++) {

space = " " + space;

}

;

String result = space + str;

return result;

}

private String judgeMoney(BigDecimal bd) {

String temp = "";

if(bd != null && bd.compareTo(BigDecimal.ZERO) != 0){

temp = NumberUtil.msStrAddComma(NumberUtil.msBigDecimalFormat(bd));

}

return temp;

}

}