好记性不如烂笔头4-JAVA生成PDF文件

使用iText JAR生成PDF

在很多的场合，需要使用PDF文件，有时候也要设置PDF文件的表格和文字等。

如果让一个PDF工具类非常灵活，那么这个工具类就会很复杂；一般根据实际情况，写几个合适的工具类来分别实现不同要求；

需要引入第三方jar包：iText-2.1.4.jar
和iTextAsian.jar

package com.daily;

import java.awt.Color;

import java.io.File;

import java.io.FileOutputStream;

import java.io.OutputStream;

import java.util.ArrayList;

import java.util.Date;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import com.daily.EasyExcel.Content;

import com.lowagie.text.Cell;

import com.lowagie.text.Document;

import com.lowagie.text.Element;

import com.lowagie.text.Font;

import com.lowagie.text.Paragraph;

import com.lowagie.text.Phrase;

import com.lowagie.text.Table;

import com.lowagie.text.pdf.BaseFont;

import com.lowagie.text.pdf.PdfWriter;

/**

*生成pdf文件，书写普通文字，制作表格，设置文字颜色和简单排版等

*@author 范芳铭

*/

public class EasyPdf {

privatevoid createPdfFile(String outFilename,Map model,List<Content> table)    throws Exception{

try{

OutputStream file = newFileOutputStream(new File(outFilename));

Document document = newDocument();

PdfWriter.getInstance(document,file);

document.open();

document.add(newParagraph("Hello PDF"));  //简单文字

document.add(new Paragraph(newDate().toString()));  //简单日期

//设置字体，表格等内容

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

Font font = newFont(bfComic, 16,Font.NORMAL);//声明字体对象

font = newFont(bfComic,16,1,new Color(255,0,0));//设置字体

String header =(String)model.get("header");//获取标题

Paragraph headerParagraph =new Paragraph(header,font);

headerParagraph.setAlignment(Paragraph.ALIGN_CENTER);//设置格式

document.add(headerParagraph);//添加到Document对象中

font = new Font(bfComic,10, Font.NORMAL);//声明字体样式

//设置PDF中表格的表头

String title[] = {"code","名称"};

Table t = newTable(title.length);//声明表格对象

t.normalize();

t.setAutoFillEmptyCells(true);

t.setAlignment(Table.ALIGN_CENTER);//居中

t.setWidth(108);//设置宽度

for(int i = 0 ; i <title.length ; i++){

Cell celltitle = newCell();//声明单元格

celltitle.add(newPhrase(title[i],font));//循环加入表头信息

celltitle.setHorizontalAlignment(Element.ALIGN_CENTER);

t.addCell(celltitle);

}

t.endHeaders();

//加入表格内容

Content content = null;

for (int i = 0; i <table.size(); i++) {

// 得到要写入表格的记录

content = table.get(i);

CelloneCell = new Cell();  //声明单元格对象

Paragraphpgdata = new Paragraph(content.getCode(),font);

oneCell.setHorizontalAlignment(Element.ALIGN_CENTER);//对齐方式

oneCell.addElement(pgdata);

t.addCell(oneCell);

CelltwoCell = new Cell();  //声明单元格对象

twoCell.setHorizontalAlignment(Element.ALIGN_CENTER);//对齐方式

twoCell.addElement(pgdata);

t.addCell(twoCell);

}

document.add(t);

String copyright =(String)model.get("copyright");

ParagraphcopyrightParagraph = new Paragraph(copyright,font);

copyrightParagraph.setAlignment(Paragraph.ALIGN_BOTTOM);

document.add(copyrightParagraph);

document.close();

file.close();

} catch (Exception e) {

e.printStackTrace();

}

}

publicstatic void main(String[] args) throws Exception{

//初始化数据

Mapmodel = new HashMap();

//文件标题头

model.put("header","
详细信息");

//文件版权信息

model.put("copyright","版权所有:
阿饭同学的博客 http://blog.csdn.net/ffm83");

//生成表格的内容,内部类的构造有点特殊

List<Content>contents = new ArrayList<Content>();

contents.add(newEasyPdf().new Content("100","name100"));

contents.add(newEasyPdf().new Content("101","name101"));

contents.add(newEasyPdf().new Content("102","name102"));

longstart = System.currentTimeMillis();

EasyPdfpdf = new EasyPdf();

pdf.createPdfFile("d:/ffm83/easy.pdf",model,contents);

longend = System.currentTimeMillis();

System.out.println("生成pdf文件耗时："+ (end - start) + "(毫秒)");

}

//一个简单的保存简单信息的内部类

publicclass Content {

privateString code;

private String name;

public Content(String code,String name){

this.code= code;

this.name= name;

}

publicString getCode() {

returncode;

}

publicvoid setCode(String code) {

this.code= code;

}

publicString getName() {

returnname;

}

publicvoid setName(String name) {

this.name= name;

}

}

}