itext生成PDF

<dependency>
    <groupId>com.lowagie</groupId>
   <artifactId>itext</artifactId>
   <version>4.2.0</version>
</dependency>
<dependency>
   <groupId>com.itextpdf</groupId>
   <artifactId>itext-asian</artifactId>
   <version>5.2.0</version>
</dependency>
<dependency>
   <groupId>com.itextpdf</groupId>
   <artifactId>itextpdf</artifactId>
   <version>5.0.6</version>
</dependency>
<dependency>
   <groupId>com.itextpdf</groupId>
   <artifactId>itext-pdfa</artifactId>
   <version>5.5.7</version>
</dependency>
<dependency>
   <groupId>com.itextpdf.tool</groupId>
   <artifactId>xmlworker</artifactId>
   <version>5.5.7</version>
</dependency>

public void export( String year,String month,HttpServletRequest request) throws Exception{

        String path = request.getSession().getServletContext().getRealPath("/fileDisk/report/pdf");//获取存放生成的PDF的项目相对路径
        String fileName="/月度工作总结.pdf";
        File filedir = new File(path);
        if (!filedir.exists()) {
            filedir.mkdirs();
        }
        File file = new File(path+fileName);
        if(file.exists()&& file.isFile()){
            file.delete();
        }
        BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);//字体基本样式
        Font font = new Font(bfChinese, 12, Font.NORMAL); //1
        Font font3 = new Font(bfChinese, 14, Font.BOLD);//一
        Font font2 = new Font(bfChinese, 21, Font.BOLD);//大标题
        Font font4 = new Font(bfChinese, 12, Font.BOLD);//1.1 正文

        Document document = new Document(PageSize.A4,80,78,90,80); //设置纸张大小，页边距
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(path +fileName));

　　//设置页眉页脚，在页面打开之前或关闭之后
        HeaderFooter hf=new HeaderFooter();
        writer.setPageEvent(hf);

        document.open();
        //标题
        Paragraph p1 = new Paragraph("技术市场部月度工作总结", font2);
        p1.setSpacingAfter(15);
        p1.setSpacingBefore(15);
        p1.setAlignment(1);
        document.add(p1);

        Paragraph p2 = new Paragraph("一、本月工作进展", font3);
        p1.setSpacingAfter(10);
        p1.setSpacingBefore(10);
        p1.setAlignment(1);
        document.add(p2);

        Paragraph p3 = new Paragraph("1. 售后服务保障", font4);
        p1.setSpacingAfter(10);
        p1.setSpacingBefore(10);
        p1.setAlignment(1);
        document.add(p3);

        Paragraph p4 = new Paragraph(“想要显示的段落内容。。。”, font);
        p1.setSpacingAfter(10);
        p1.setSpacingBefore(10);
        p1.setAlignment(1);
        document.add(p4);

        //插入图片
        String pic1Path = request.getSession().getServletContext().getRealPath("/fileDisk/report/img/pic.png");
        Image image = Image.getInstance(pic1Path);
        image.scaleAbsolute(400,270);//控制图片大小
        document.add(image);

        //机车故障地理位置表
        PdfPTable table1 = new PdfPTable(13);
        table1.setHorizontalAlignment(1);
        table1.setWidths(new int[] { 16,7,7,7,7,7,7,7,7,7,7,7,7 });//百分比
        table1.addCell(new Paragraph("",font));
        table1.addCell(new Paragraph("1月",font));
        table1.addCell(new Paragraph("2月",font));
        table1.addCell(new Paragraph("3月",font));
        table1.addCell(new Paragraph("4月",font));
        table1.addCell(new Paragraph("5月",font));
        table1.addCell(new Paragraph("6月",font));
        table1.addCell(new Paragraph("7月",font));
        table1.addCell(new Paragraph("8月",font));
        table1.addCell(new Paragraph("9月",font));
        table1.addCell(new Paragraph("10月",font));
        table1.addCell(new Paragraph("11月",font));
        table1.addCell(new Paragraph("12月",font));
　　 //添加到第14单元格自动换列
        document.add(table1);
       //关闭文件
        document.close();
    }

/**
* 页眉页脚，通过页面坐标定位写入段落实现
* 此页眉页脚方式适用于itext5.0以上版本
*/
class HeaderFooter extends PdfPageEventHelper{
    public void onEndPage (PdfWriter writer, Document document) {
        BaseFont bfChinese = null;
        try {
            bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);
        } catch (DocumentException | IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        Font font5 = new Font(bfChinese, 17, Font.BOLD);
        int pageS = writer.getPageNumber();
        String foot1 = "- " + pageS + " -";
        ColumnText.showTextAligned(writer.getDirectContent(),Element.ALIGN_LEFT, new Phrase("上海****科技有限公司",font5),80, 785, 0);//页眉左边距80，下边距785
        Font font7 = new Font(bfChinese, 12, Font.NORMAL);
        ColumnText.showTextAligned(writer.getDirectContent(),Element.ALIGN_LEFT, new Phrase("SHANGHAI **** TECHNOLOGY CO.,LTD.",font7),80, 772, 0);//页眉
        Font font6 = new Font(bfChinese, 10, Font.NORMAL);
        ColumnText.showTextAligned(writer.getDirectContent(), Element.ALIGN_CENTER, new Phrase(foot1, font6), 300,50,0);//页脚左边距300，下边距50
    }
}

插件缺陷：1. 在IE8下js生成段落放入HTML后生成PDF不会自行换行。

　　　　　2. 生成PDF中英文句子格式“间距自由”。

　　　　 3. 不能设置行间距。