图片转PDF项目代码示例

/*************************************************************** * Copyright(c) 2012 by Hao Jun, CDG Co.Ltd. All rights reserved. ***************************************************************/ package com.hj.util; import java.io.ByteArrayOutputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.net.MalformedURLException; import java.util.Iterator; import java.util.List; import java.util.Map; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletResponse; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.itextpdf.text.Anchor; import com.itextpdf.text.Annotation; import com.itextpdf.text.BadElementException; import com.itextpdf.text.BaseColor; import com.itextpdf.text.Chapter; import com.itextpdf.text.Chunk; import com.itextpdf.text.Document; import com.itextpdf.text.DocumentException; import com.itextpdf.text.Element; import com.itextpdf.text.Font; import com.itextpdf.text.Image; import com.itextpdf.text.ListItem; import com.itextpdf.text.PageSize; import com.itextpdf.text.Paragraph; import com.itextpdf.text.Phrase; import com.itextpdf.text.Rectangle; import com.itextpdf.text.Section; import com.itextpdf.text.pdf.BaseFont; import com.itextpdf.text.pdf.PdfPCell; import com.itextpdf.text.pdf.PdfPTable; import com.itextpdf.text.pdf.PdfWriter; /** * PdfUtil2.java Created on 2013-2-1 * @description * @author HaoJun | haojun@chinadatagroup.com * @date 2013-2-1 * @version v 0.1 */ public class PdfUtil2 { private static final Log log = LogFactory.getLog(PdfUtil2.class);// 日志 /** * 创建pdf对象 * * @param filePath * @return */ public static Document createDocument(String filePath) { Document doc = new Document(); try { PdfWriter.getInstance(doc, new FileOutputStream(filePath)); doc.open(); } catch (Exception e) { e.printStackTrace(); } return doc; } /** * 创建pdf对象 * * @param filePath * @param title * @param subject * @param author * @return */ public static Document createDocument(String filePath, String title,String subject, String author) { return createDocument(filePath, null, 0, title, subject, author); } /** * 创建pdf对象 * * @param filePath * @param pagesize * @param pageCount * @return */ public static Document createDocument(String filePath, Rectangle pagesize,int pageCount) { return createDocument(filePath, pagesize, pageCount, null, null, null); } /** * 创建pdf对象 * * @param filePath * @param pagesize * @param pageCount * @param title * @param subject * @param author * @return */ public static Document createDocument(String filePath, Rectangle pagesize, int pageCount, String title, String subject, String author) { Document doc = new Document(); try { PdfWriter.getInstance(doc, new FileOutputStream(filePath)); if (pagesize != null) { doc.setPageSize(pagesize); } if (pageCount > 0) { doc.setPageCount(pageCount); } if (author != null) { doc.addAuthor(author); } if (subject != null) { doc.addSubject(subject); } if (title != null) { doc.addTitle(title); } doc.open(); } catch (Exception e) { e.printStackTrace(); } return doc; } /** * 创建table单元格 * * @param value * @param font * @param align * @return */ public static PdfPCell createCell(String value, Font font, int align) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(align); cell.setPhrase(new Phrase(value, font)); return cell; } /** * 创建table单元格 * * @param value * @param font * @return */ public static PdfPCell createCell(String value, Font font) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(Element.ALIGN_CENTER); cell.setPhrase(new Phrase(value, font)); return cell; } /** * 创建table单元格 * * @param value * @param font * @param align * @param colspan * @return */ public static PdfPCell createCell(String value, Font font, int align, int colspan) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(align); cell.setColspan(colspan); cell.setPhrase(new Phrase(value, font)); return cell; } /** * 创建table单元格 * * @param value * @param font * @param align * @param colspan * @param boderFlag * @return */ public static PdfPCell createCell(String value, Font font, int align, int colspan, boolean boderFlag) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(align); cell.setColspan(colspan); cell.setPhrase(new Phrase(value, font)); cell.setPadding(3.0f); if (!boderFlag) { cell.setBorder(0); cell.setPaddingTop(15.0f); cell.setPaddingBottom(8.0f); } return cell; } /** * 创建table单元格 * * @param colNumber * @param maxWidth * @return */ public static PdfPTable createTable(int colNumber, int maxWidth) { PdfPTable table = new PdfPTable(colNumber); try { table.setTotalWidth(maxWidth); table.setLockedWidth(true); table.setHorizontalAlignment(Element.ALIGN_CENTER); table.getDefaultCell().setBorder(1); } catch (Exception e) { e.printStackTrace(); } return table; } /** * 创建table单元格 * * @param widths * @param maxWidth * @return */ public static PdfPTable createTable(float[] widths, int maxWidth) { PdfPTable table = new PdfPTable(widths); try { table.setTotalWidth(maxWidth); table.setLockedWidth(true); table.setHorizontalAlignment(Element.ALIGN_CENTER); table.getDefaultCell().setBorder(1); } catch (Exception e) { e.printStackTrace(); } return table; } /** * 创建table单元格 * * @param font * @return */ public static PdfPTable createBlankTable(Font font) { PdfPTable table = new PdfPTable(1); table.getDefaultCell().setBorder(0); table.addCell(createCell("", font)); table.setSpacingAfter(20.0f); table.setSpacingBefore(20.0f); return table; } /** * 创建文本对象 * * @param text * @return */ public static Paragraph createText(String text) { try { return new Paragraph(text, new Font(BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED))); } catch (DocumentException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return null; } /** * 创建文本对象 * * @param text * @param font * @return */ public static Paragraph createText(String text, Font font) { return new Paragraph(text, font); } /** * 创建图片对象 * * @param filePath * @return */ public static Image createImage(String filePath) { Image img = null; try { img = Image.getInstance(filePath); img.setAlignment(Element.ALIGN_CENTER); } catch (BadElementException e) { e.printStackTrace(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return img; } /** * 创建图片对象 * * @param filePath * @param alignment * @return */ public static Image createImage(String filePath, int alignment) { return createImage(filePath, 0, 0, alignment); } /** * 创建图片对象 * * @param filePath * @param width * @param height * @param alignment * @return */ public static Image createImage(String filePath, float width, float height, int alignment) { Image