Java 写入pdf文件

import java.awt.Color;
import java.io.File;
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Chapter;
import com.lowagie.text.Element;
import com.lowagie.text.Image;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfWriter;
public class PDFDemo {
    private Color black = new Color(0, 0, 0); // 黑色
    private Color red = new Color(255, 0, 0); // 红色
    private Color blue = new Color(0, 0, 255); // 蓝色
    private int bold = Font.BOLD; // 粗体
    private int normal = Font.NORMAL; // 正常字体
    private int italic = Font.ITALIC; // 斜体
    private int boldItalic = Font.BOLDITALIC; // 粗斜体
    private float setting = 100; // 首行缩进参数
    public Document createDoc(String filename) throws Exception {
        // 新建document对象
        // 第一个参数是页面大小。接下来的参数分别是左、右、上和下页边距。
        Document document = new Document(PageSize.A4, 50, 50, 50, 50);
        // 建立一个书写器(Writer)与document对象关联，通过书写器(Writer)可以将文档写入到磁盘中。
        // 创建 PdfWriter 对象 第一个参数是对文档对象的引用，第二个参数是文件的实际名称，在该名称中还会给出其输出路径。
        PdfWriter.getInstance(document, new FileOutputStream(filename));
        return document;
    }
    public void writePdf(String filename, String imgPath) throws Exception {
        Document document = createDoc(filename); // 打开文档
        document.open(); // 文档里写入
        document.add(convertParToChinese("红色字体", 20, bold, red));
        document.add(new Paragraph("\n"));
        document.add(convertParToChinese("黑色", 18, boldItalic, black));
        document.add(new Paragraph("\n"));
        document.add(convertParToChinese("蓝色", 14, normal, blue));
        document.add(new Paragraph("\n"));
        // 文档写入图片
        if (checkFile(imgPath)) {
            Image image = writeImg(imgPath);
            document.add(image);
            document.add(new Paragraph("\n"));
        }
        document.add(new Paragraph("\n"));
        document.add(new Paragraph("\n")); // 生成三列表格
        PdfPTable table = new PdfPTable(3); // 设置表格具体宽度
        table.setTotalWidth(90); // 设置每一列所占的长度
        table.setWidths(new float[] { 50f, 15f, 25f });
        PdfPCell cell1 = new PdfPCell();
        Paragraph para = new Paragraph("aaaaa");
        cell1.setPhrase(para);
        table.addCell(cell1);
        table.addCell(new PdfPCell(new Phrase("IText")));
        table.addCell(new PdfPCell(new Phrase("IText")));
        document.add(table);
        document.add(new Paragraph("\n"));
        document.add(new Paragraph("\n")); // PDF同行显示
        Paragraph par = new Paragraph();
        Chunk chunk1 = new Chunk(convertChunkByChinese("考试分数：", 20, bold, black));
        Chunk chunk2 = new Chunk(convertChunkByChinese("93", 20, bold, red));
        par.add(chunk1);
        par.add(chunk2); // 设置整体缩进
        par.setFirstLineIndent(setting); // 居中
        Paragraph centerPar = convertParToChinese("剧中测试", 16, italic, black);
        centerPar.setAlignment(Element.ALIGN_CENTER);
        document.add(par); // 新建章节
        // //节标题
        Paragraph chapterTitle = new Paragraph(convertParToChinese("章节标题", 18, boldItalic, blue));
        Chapter chapter1 = new Chapter(chapterTitle, 1);
        chapter1.setNumberDepth(0);
        for (int i = 0; i < 20; i++)
        {
            Paragraph p = new Paragraph((i + 1) + "test!!!!!");
            chapter1.add(p);
        }
        document.add(chapter1); // 5.关闭文档
        document.close();
    }
    public Image writeImg(String imgPath) throws Exception {
        Image img = Image.getInstance(imgPath); // 控制图片大小
        img.scaleAbsolute(100, 100);
        return img;
    }
    public boolean checkFile(String path) {
        File file = new File(path);
        if (file.exists()) {
            return true;
        }
        return false;
    }
    public static Paragraph convertParToChinese(String text, int fontsize, int fontStyle, Color color)
            throws Exception {
        BaseFont baseFontChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
        Font fontChinese = new Font(baseFontChinese, fontsize, fontStyle, color);
        Paragraph graph = new Paragraph(text, fontChinese);
        return graph;
    }
    public Chunk convertChunkByChinese(String text, int fontsize, int fontStyle, Color color) throws Exception {
        BaseFont baseFontChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
        Font fontChinese = new Font(baseFontChinese, fontsize, fontStyle, color);
        Chunk chunk = new Chunk(text, fontChinese);
        return chunk;
    }
    public static void main(String[] args) throws Exception {
        PDFDemo pdfDemo = new PDFDemo();
        pdfDemo.writePdf("F:\\大数据\\test.pdf",
                "C:\\Users\\lenovo\\Pictures\\心2.png");
    }

}

 

转载自：http://blog.sina.com.cn/s/blog_c4ffa28f0102wfeq.html