java使用itext，制作pdf文件

package com.test;

import java.io.File;
import java.io.FileOutputStream;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.List;
import java.util.Map;

import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Document;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
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.sun.org.apache.regexp.internal.recompile;

/**
* 职工流水账pdf文件，表格
* 动态画
* @author yuhf
*
*/
public class PdfTableTest_04 {

/**
* @throws Exception
*/
public void addTable(String path,ZGLSZBean zBean) throws Exception{

String ORGNAME = "";
String OCNAME = "";

Rectangle rectangle = new Rectangle(PageSize.A4); //设置纸张的大小对象
Document doc = new Document(rectangle.rotate()); //纸张横向

//创建BaseFont对象，指明字体，编码方式,是否嵌入
BaseFont bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);
//创建Font对象，将基础字体对象，字体大小，字体风格
Font font=new Font(bf,10,Font.NORMAL);
Font font1=new Font(bf,15,Font.BOLD);

//创建文件
File file = new File(path);
PdfWriter writer = PdfWriter.getInstance(doc, new FileOutputStream(file));

//设置页眉页脚
Rectangle rect = new Rectangle(36, 54, 520, 788);
rect.setBorderColor(BaseColor.BLACK);
writer.setBoxSize("art", rect);

//创建PdfTable对象  10列表格
PdfPTable table=new PdfPTable(11);
//设置各列的列宽
table.setTotalWidth(new float[]{100,100,100,90,100,100,100,100,120,120,100});

//表格与标题空40 左右高度
PdfPCell cell_0 = mergeCol("", font, 11);
cell_0.setMinimumHeight(20);
cell_0.setBorder(Rectangle.NO_BORDER);
table.addCell(cell_0);

//单位账户
PdfPCell cell = new PdfPCell();
PdfPCell pdfCell_dwzh = getPDFCell("单位账户：",font);
pdfCell_dwzh.setBorder(Rectangle.NO_BORDER); //去除边框
table.addCell(pdfCell_dwzh);
cell=mergeCol(zBean.getSncode(), font, 3);
cell.setBorder(Rectangle.NO_BORDER);//去除边框
cell.setHorizontalAlignment(Element.ALIGN_LEFT);
table.addCell(cell);

//--1
//单位名称：
PdfPCell pdfCell_dwmc = getPDFCell("单位名称：",font);
pdfCell_dwmc.setBorder(Rectangle.NO_BORDER);
table.addCell(pdfCell_dwmc);
cell=mergeCol(zBean.getSnname(), font, 3);
cell.setBorder(Rectangle.NO_BORDER);
cell.setHorizontalAlignment(Element.ALIGN_LEFT);
table.addCell(cell);

//单位名称：
PdfPCell pdfCell_zgzh = getPDFCell("职工账号：",font);
pdfCell_zgzh.setBorder(Rectangle.NO_BORDER);
table.addCell(pdfCell_zgzh);
cell=mergeCol(zBean.getSpcode(), font, 2);
cell.setBorder(Rectangle.NO_BORDER);
cell.setHorizontalAlignment(Element.ALIGN_LEFT);
table.addCell(cell);

// --2
//职工姓名：
PdfPCell pdfCell_zgxm = getPDFCell("职工姓名：",font);
pdfCell_zgxm.setBorder(Rectangle.NO_BORDER);
table.addCell(pdfCell_zgxm);
cell=mergeCol(zBean.getSpname(), font, 3);
cell.setBorder(Rectangle.NO_BORDER);
cell.setHorizontalAlignment(Element.ALIGN_LEFT);
table.addCell(cell);

//日期范围：
PdfPCell pdfCell_sjfw = getPDFCell("日期范围：",font);
pdfCell_sjfw.setBorder(Rectangle.NO_BORDER);
table.addCell(pdfCell_sjfw);
cell=mergeCol(zBean.getRqfw(), font, 3);
cell.setBorder(Rectangle.NO_BORDER);
cell.setHorizontalAlignment(Element.ALIGN_LEFT);
table.addCell(cell);

//打印日期：
PdfPCell pdfCell_dysj = getPDFCell("打印日期：",font);
pdfCell_dysj.setBorder(Rectangle.NO_BORDER);
table.addCell(pdfCell_dysj);
cell=mergeCol(zBean.getDyrq(), font, 2);
cell.setBorder(Rectangle.NO_BORDER);
cell.setHorizontalAlignment(Element.ALIGN_LEFT);
table.addCell(cell);

//--3
PdfPCell mergeRow_sj = mergeRow("时间", font, 2);
table.addCell(mergeRow_sj);
PdfPCell mergeRow_cllx = mergeRow("处理类型", font, 2);
table.addCell(mergeRow_cllx);
PdfPCell mergeRow_hjny = mergeRow("汇缴年月", font, 2);
table.addCell(mergeRow_hjny);
PdfPCell mergeRow_sr = mergeRow("收入", font, 2);
table.addCell(mergeRow_sr);
PdfPCell mergeCol_zc = mergeCol("支出", font, 3);
table.addCell(mergeCol_zc);
PdfPCell mergeRow_ye = mergeRow("余额", font, 2);
table.addCell(mergeRow_ye);
PdfPCell mergeRow_dwmc = mergeRow("单位名称", font, 2);
mergeRow_dwmc.setColspan(2);
table.addCell(mergeRow_dwmc);
PdfPCell mergeRow_bz = mergeRow("备注", font, 2);
table.addCell(mergeRow_bz);

//--4
PdfPCell pdfCell_gjj = getPDFCell("支出",font);
table.addCell(pdfCell_gjj);
PdfPCell pdfCell_lx = getPDFCell("利息",font);
table.addCell(pdfCell_lx);
PdfPCell pdfCell_hj = getPDFCell("合计",font);
table.addCell(pdfCell_hj);

for (Map<String, Object> item_map : zBean.getArray_list()) {

table.addCell(getPDFCell(isNull(item_map.get("QRRQ")), font));
table.addCell(getPDFCell(isNull(item_map.get("CLLXNAME")), font));
table.addCell(getPDFCell(isNull(item_map.get("HJNY")), font));
table.addCell(getPDFCell(isNullByZero(item_map.get("SR")), font));
table.addCell(getPDFCell(isNullByZero(item_map.get("ZC")), font));//支出
table.addCell(getPDFCell(isNullByZero(item_map.get("LX")), font));//利息
table.addCell(getPDFCell(addHj(item_map.get("ZC"), item_map.get("LX")), font));//合计自己算
table.addCell(getPDFCell(isNull(item_map.get("YE")), font));//余额
table.addCell(mergeCol(isNull(item_map.get("SNNAME")), font,2));
table.addCell(getPDFCell("无", font));
}

//文档写入内容
doc.open();
Paragraph title=new Paragraph("公积金职工流水账",font1);
title.setAlignment(Paragraph.ALIGN_CENTER);
doc.add(title);
doc.add(table);
doc.close();
}

/**
*  合并列的静态函数
* @param str 内容
* @param font 字体样式
* @param i 合并几个单元格，列
* @return
*/
public static PdfPCell mergeCol(String str,Font font,int i) {

PdfPCell cell=new PdfPCell(new Paragraph(str,font));
cell.setMinimumHeight(25);
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
//设置最小单元格高度
cell.setMinimumHeight(20);

//将该单元格所在行包括该单元格在内的i列单元格合并为一个单元格
cell.setColspan(i);

return cell;
}

/**
* 合并行的静态函数
* @param str 内容
* @param font 字体
* @param i 合并多少行
* @return
*/
public static PdfPCell mergeRow(String str,Font font,int i) {

//创建单元格对象，将内容及字体传入
PdfPCell cell=new PdfPCell(new Paragraph(str,font));
//设置单元格内容居中
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
//将该单元格所在列包括该单元格在内的i行单元格合并为一个单元格
cell.setRowspan(i);
//设置最小单元格高度
cell.setMinimumHeight(20);
return cell;
}

/**
* 判断 object是不是null
* @param object
* @return 是null 返回“”
*/
public String isNull(Object object){

return  object == null ? "" : object.toString().trim();
}

/**
* 判断 object是不是null
* @param object
* @return 返回 “0”
*/
public String isNullByZero(Object object){
return  object == null ? "0" : object.toString().trim();
}

/**
* 根据支出 +利息 = 合计
* @param zc
* @param lx
* @return 合计
*/
public String addHj(Object zc,Object lx){

String  string_zc= this.isNullByZero(zc).trim();
double double_zc = Double.parseDouble(string_zc);

String string_lx = this.isNullByZero(lx).trim();
double double_lx = Double.parseDouble(string_lx);

double double_hj = double_zc + double_lx ;
return double_hj + "";
}

/**
* 删除边框
* @param cell
*/
public static void delectBorder(PdfPCell cell){
cell.setBorder(Rectangle.NO_BORDER);
}

//获取指定内容与字体的单元格
public static PdfPCell getPDFCell(String string, Font font)
{
//创建单元格对象，将内容与字体放入段落中作为单元格内容
PdfPCell cell=new PdfPCell(new Paragraph(string,font));

cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);

//设置最小单元格高度
cell.setMinimumHeight(20);
return cell;
}

/**
* bean
* @author yuhf
*
*/
public class ZGLSZBean{

//单位账户
private String sncode;
//单位名称
private String snname;
//职工账号
private String spcode;
//职工姓名
private String spname;
//日期范围
private String rqfw;
//打印日期
private String dyrq;
//显示 列表数据
private List<Map<String,Object>> array_list;
public String getSncode() {
return sncode;
}
public void setSncode(String sncode) {
this.sncode = sncode;
}
public String getSnname() {
return snname;
}
public void setSnname(String snname) {
this.snname = snname;
}
public String getSpcode() {
return spcode;
}
public void setSpcode(String spcode) {
this.spcode = spcode;
}
public String getSpname() {
return spname;
}
public void setSpname(String spname) {
this.spname = spname;
}
public String getRqfw() {
return rqfw;
}
public void setRqfw(String rqfw) {
this.rqfw = rqfw;
}
public String getDyrq() {
return dyrq;
}
public void setDyrq(String dyrq) {
this.dyrq = dyrq;
}
public List<Map<String, Object>> getArray_list() {
return array_list;
}
public void setArray_list(List<Map<String, Object>> array_list) {
this.array_list = array_list;
}

}
}