学习：ITEXT导出doc

首先我们需要的是itext.jar包。
itext是一个开源的rtf、pdf读写项目，属于sourceforge。rtf即是Rich Text Format，由微软公司开发的跨平台文档格式，缺点在于保存的大小会比较大，可能是由于考虑了兼容性的关系。
它的读写方式是比较通用的，无论是写rtf、pdf还是html，都有统一的Document，不同的格式有不同的写入器。如RTFWriter\PDFWriter。
下面记录几个概念：
1、 Font，字体对象
2、 Chunk，文本块，处理文本的最小单位，可以设置字体，颜色，等。
3、 Phrase，短语，由一个或多个Chunk组成。
4、 Paragraph，段落，由一个或多个Chunk以及Phrace组成。
5、 Chapter，章节对象
6、 Section，小节对象
7、 Table，表格对象
8、 Image，图像对象
备份一段代码：
package com.anrainie.ide.flow.utilities.tool;
 
import com.anrainie.ide.core.translators.StyleTranslator;
import com.anrainie.ide.flow.utilities.document.MarsApplication;
import com.anrainie.ide.flow.utilities.document.MarsCptContainer;
import com.anrainie.ide.flow.utilities.document.MarsCptLevel1;
import com.anrainie.ide.flow.utilities.document.MarsCptLevel2;
import com.anrainie.ide.flow.utilities.document.MarsProject;
import com.anrainie.ide.flow.utilities.document.MarsTechCpt;
import com.anrainie.ide.flow.utilities.document.MarsTrade;
import com.anrainie.ide.flow.utilities.nls.Messages;
 
import java.awt.Color;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
 
import com.lowagie.text.Cell;
import com.lowagie.text.Chapter;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Section;
import com.lowagie.text.Table;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.rtf.RtfWriter2;
 
public class WordTool {
    private static BaseFont bfChinese;
    private static Font FONT_TITLE;
    private static Font FONT_PROJECT = null;
    private static Font FONT_APPLICATION = null;
    private static Font FONT_TYPE = null;
    private static Font FONT_TABLE_HEAD = null;
    private static Font FONT_TABLE_CONTENT = null;
    static {
        try {
            bfChinese = BaseFont.createFont(BaseFont.TIMES_ROMAN,
                    BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
            FONT_TITLE = new Font(bfChinese, 24, Font.BOLD);
            FONT_PROJECT = new Font(bfChinese, 16, Font.BOLD);
            FONT_PROJECT.setFamily("Symbol");
 
            FONT_APPLICATION = new Font(bfChinese, 12, Font.BOLD);
            FONT_APPLICATION.setFamily("Courier");
 
            FONT_TYPE = new Font(bfChinese, 11, Font.BOLD | Font.ITALIC);
            FONT_TABLE_HEAD = new Font(bfChinese, 10, Font.BOLD);
            FONT_TABLE_CONTENT = new Font(bfChinese, 10, Font.NORMAL);
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
 
    /**
     * 按Word格式导出TCD文档
     * 
     * @param fileList
     * @param path
     */
    public static void exportTcdDocument(List<IFile> fileList, String path) {
        List<MarsCptContainer> containerList = DocumentInfoUtil
                .getTcdDocumentInfo(fileList);
        Document document = new Document(PageSize.A4);
        try {
            RtfWriter2.getInstance(document, new FileOutputStream(path));
 
            document.open();
            Paragraph title = createTitle("技术组件详细清单");
            document.add(title);
            int count = 0;
            for (MarsCptContainer container : containerList) {
                Chapter chapter = new Chapter(
                        createProjectText(container.getName()), ++count);
 
                for (MarsCptLevel1 pretreat : container.getPretreatList()) {
                    Section appSection = chapter.addSection(new Paragraph(
                            pretreat.getName(), FONT_APPLICATION));
                    appSection.setNumberDepth(2);
 
                    for (MarsCptLevel2 category : pretreat.getSubList()) {
                        Section cateSection = appSection
                                .addSection(new Paragraph(category.getName(),
                                        FONT_TYPE));
                        cateSection.setNumberDepth(3);
                        Table table = new Table(6);
                        table.setWidth(100);
                        table.setWidths(new int[] { 10, 20, 10, 20, 20, 20 });
                        table.addCell(createHeadCell(Messages.ExcelTool_TCD_NAME_CN));
                        table.addCell(createHeadCell(Messages.ExcelTool_TCD_NAME_EN));
                        table.addCell(createHeadCell(Messages.ExcelTool_TCD_STYLE));
                        table.addCell(createHeadCell(Messages.ExcelTool_TCD_INPARAMS));
                        table.addCell(createHeadCell(Messages.ExcelTool_TCD_OUTPARAMS));
                        table.addCell(createHeadCell(Messages.ExcelTool_TCD_ANNOTATION));
                        for (MarsTechCpt cpt : category.getCptList()) {
                            table.addCell(createContentCell(cpt
                                    .getChineseName()));
                            table.addCell(createContentCell(cpt
                                    .getEnglishName()));
                            table.addCell(createContentCell(StyleTranslator
                                    .translateValueToDesc(cpt.getStyle())));
                            String inparams = "";
                            for (int i = 0; i < cpt.getInparam().size(); i++) {
                                inparams += (i + 1) + "."
                                        + cpt.getInparam().get(i) + "\n";
                            }
                            String outparams = "";
                            for (int i = 0; i < cpt.getOutparam().size(); i++) {
                                outparams +=  (i + 1) + "."
                                        + cpt.getOutparam().get(i) + "\n";
                            }
                            table.addCell(createContentCell(inparams));
                            table.addCell(createContentCell(outparams));
                            table.addCell(createContentCell(cpt.getAnnocation()));
                        }
                        cateSection.add(table);
                    }
                }
                document.add(chapter);
            }
            DocumentInfoUtil.successRemind();
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } finally {
            document.close();
        }
    }
 
    /**
     * 导出Word格式的TWF文档
     * 
     * @param fileList
     *            TWF文件列表
     * @param path
     *            导出文件的位置
     */
    public static void exportTwfDocument(List<IFolder> fileList, String path) {
        List<MarsProject> projectList = DocumentInfoUtil
                .getTwfDocumentInfo(fileList);
        Document document = new Document(PageSize.A4);
        try {
            RtfWriter2.getInstance(document, new FileOutputStream(path));
 
            document.open();
            Paragraph title = createTitle("交易详细清单");
            document.add(title);
            int count = 0;
            for (MarsProject project : projectList) {
                Chapter chapter = new Chapter(
                        createProjectText(project.getName() + "["
                                + project.getDesc() + "]"), ++count);
 
                for (MarsApplication app : project.getAppList()) {
                    Section appSection = chapter.addSection(new Paragraph(app
                            .getName() + "[" + app.getDesc() + "]",
                            FONT_APPLICATION));
                    appSection.setNumberDepth(2);
 
                    Map<String, List<MarsTrade>> tradeSectionList = new HashMap<String, List<MarsTrade>>();
                    for (MarsTrade trade : app.getTradeList()) {
                        if (tradeSectionList.keySet().contains(
                                trade.getCategory())) {
                            tradeSectionList.get(trade.getCategory())
                                    .add(trade);
                        } else {
                            List<MarsTrade> list = new ArrayList<MarsTrade>();
                            list.add(trade);
                            tradeSectionList.put(trade.getCategory(), list);
                        }
                    }
                    for (String category : tradeSectionList.keySet()) {
                        Section cateSection = appSection
                                .addSection(new Paragraph(category, FONT_TYPE));
                        cateSection.setNumberDepth(3);
                        Table table = new Table(6);
                        table.setWidth(100);
                        table.setWidths(new int[] { 15, 20, 15, 10, 20, 20 });
                        table.addCell(createHeadCell("交易名称"));
                        table.addCell(createHeadCell("交易描述"));
                        table.addCell(createHeadCell("交易模型名称"));
                        table.addCell(createHeadCell("交易作者"));
                        table.addCell(createHeadCell("编译结果"));
                        table.addCell(createHeadCell("备注"));
                        for (MarsTrade trade : tradeSectionList.get(category)) {
                            table.addCell(createContentCell(trade.getName()));
                            table.addCell(createContentCell(trade.getDesc()));
                            table.addCell(createContentCell(trade
                                    .getTradeModel()));
                            table.addCell(createContentCell(trade.getAuthor()));
                            table.addCell(createContentCell(trade
                                    .getCompileResult()));
                            table.addCell(createContentCell(trade.getTooltip()));
                        }
                        cateSection.add(table);
                    }
                }
                document.add(chapter);
            }
            DocumentInfoUtil.successRemind();
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } finally {
            document.close();
        }
    }
 
    private static Cell createContentCell(String string) {
        Cell cell = new Cell();
        cell.add(new Paragraph(string, FONT_TABLE_CONTENT));
        return cell;
    }
 
    private static Cell createHeadCell(String string) {
        Cell cell = new Cell();
        cell.add(new Paragraph(string, FONT_TABLE_HEAD));
        cell.setBackgroundColor(Color.YELLOW);
        cell.setHorizontalAlignment(Element.ALIGN_CENTER);
        cell.setVerticalAlignment(Element.ALIGN_CENTER);
        return cell;
    }
 
    private static Paragraph createProjectText(String text) {
        Paragraph title = new Paragraph(text, FONT_PROJECT);
        return title;
    }
 
    private static Paragraph createTitle(String text) {
        Paragraph title = new Paragraph(text, FONT_TITLE);
        title.setAlignment(Element.ALIGN_CENTER);
        return title;
    }
 
}