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;
        }   
    }
 
}