使用iText在word文档中插入复杂的表格

Table table = new Table(2);

Table table = new Table(2,3);

Cell cell = new Cell("HELLO WORLD");

Cell cell = new Cell(); Paragraph pHello = new Paragraph("Hello"); cell.add(pHello);

table.addCell(cell);

import java.awt.Color;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.List;
import java.util.Map;

import com.lowagie.text.Cell;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
import com.lowagie.text.Table;
import com.lowagie.text.rtf.RtfWriter2;
import com.lowagie.text.rtf.style.RtfFont;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

/** 学生课表导出word author:yyli Sep 15,2010 */
public class StudentCurriculumWordAction extends ActionSupport {

    private static final long serialVersionUID = 2150958354251222076L;

    @Override
    public String execute() throws Exception {
        // TODO Auto-generated method stub
        return SUCCESS;
    }

    @SuppressWarnings( { "serial","unchecked" })
    public InputStream getWordFile() throws Exception {
        Map<String,Object> session = ActionContext.getContext().getSession();
        List<StudentCurriculum> leftList = (List<StudentCurriculum>) session
                .get("stuCurriculumleftList");
        String[] stuCurriculumArray = (String[]) session
                .get("stuCurriculumrightArray");
        float totalXf = 0;

        /** 创建Document对象（word文档） author:yyli Sep 15,2010 */
        Document doc = new Document(PageSize.A4);
        /** 新建字节数组输出流 author:yyli Sep 15,2010 */
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        /** 建立一个书写器与document对象关联，通过书写器可以将文档写入到输出流中 author:yyli Sep 15,2010 */
        RtfWriter2.getInstance(doc,baos);
        doc.open();

        /** 标题字体 author:yyli Sep 15,2010 */
        RtfFont titleFont = new RtfFont("仿宋_GB2312",12,Font.NORMAL,Color.BLACK);
        /** 正文字体 author:yyli Sep 15,2010 */
        RtfFont contextFont = new RtfFont("仿宋_GB2312",9,Color.BLACK);

        /** 表格设置 author:yyli Sep 15,2010 */
        Table table = new Table(12,16);
        int[] withs = { 3,5,4,3,14,14 };
        /** 设置每列所占比例 author:yyli Sep 15,2010 */
        table.setWidths(withs);
        /** 表格所占页面宽度 author:yyli Sep 15,2010 */
        table.setWidth(100);
        /** 居中显示 author:yyli Sep 15,2010 */
        table.setAlignment(Element.ALIGN_CENTER);
        /** 自动填满 author:yyli Sep 15,2010 */
        table.setAutoFillEmptyCells(true);

        /** 第一行（标题） author:yyli Sep 15,2010 */
        String titleString = "东南大学 "
                + (String) session.get("selectXn")
                + "-"
                + String.valueOf(Integer.parseInt((String) session
                        .get("selectXn"))) + " 学年第 "
                + (String) session.get("selectXq") + "学期 学生个人课表";
        Paragraph title = new Paragraph(titleString);
        // 设置标题格式对其方式
        title.setAlignment(Element.ALIGN_CENTER);
        title.setFont(titleFont);
        doc.add(title);

        /** 第二行（正文） author:yyli Sep 15,2010 */
        String contextString = "院系:" + (String) session.get("yxmc") + "    专业:"
                + (String) session.get("zymc") + "    学号:"
                + (String) session.get("xh") + "    一卡通号:"
                + (String) session.get("userId") + "    姓名:"
                + (String) session.get("stuName");
        Paragraph context = new Paragraph(contextString);
        // 正文格式对齐方式
        context.setAlignment(Element.ALIGN_CENTER);
        context.setFont(contextFont);
        // 与上一段落（标题）的行距
        context.setSpacingBefore(10);
        // 设置第一行空的列数（缩进）
        // context.setFirstLineIndent(20);
        doc.add(context);

        /** 第三行（表格） author:yyli Sep 15,2010 */
        Cell[] cellHeaders = new Cell[11];
        cellHeaders[0] = new Cell(new Phrase("序号",contextFont));
        cellHeaders[1] = new Cell(new Phrase("课程名称",contextFont));
        cellHeaders[2] = new Cell(new Phrase("教师",contextFont));
        cellHeaders[3] = new Cell(new Phrase("学分",contextFont));
        cellHeaders[4] = new Cell(new Phrase("上课周次",contextFont));
        cellHeaders[5] = new Cell(new Phrase(" ",contextFont));
        cellHeaders[5].setColspan(2);
        cellHeaders[6] = new Cell(new Phrase("星期一",contextFont));
        cellHeaders[7] = new Cell(new Phrase("星期二",contextFont));
        cellHeaders[8] = new Cell(new Phrase("星期三",contextFont));
        cellHeaders[9] = new Cell(new Phrase("星期四",contextFont));
        cellHeaders[10] = new Cell(new Phrase("星期五",contextFont));
        for (int i = 0; i < 11; i++) {
            /** 居中显示 author:yyli Sep 15,2010 */
            cellHeaders[i].setHorizontalAlignment(Element.ALIGN_CENTER);
            /** 纵向居中显示 author:yyli Sep 15,2010 */
            cellHeaders[i].setVerticalAlignment(Element.ALIGN_MIDDLE);
            table.addCell(cellHeaders[i]);
        }
        /** 向表格填充数据 author:yyli Sep 15,2010 */
        for (int i = 0; i < 15; i++) {
            /** 第0列 author:yyli Sep 15,2010 */
            Cell cell0 = new Cell(
                    new Phrase(String.valueOf(i + 1),contextFont));
            cell0.setHorizontalAlignment(Element.ALIGN_CENTER);
            cell0.setVerticalAlignment(Element.ALIGN_MIDDLE);
            table.addCell(cell0);

            /** 第1-4列 author:yyli Sep 15,2010 */
            Cell[] cell1_4 = new Cell[4];
            if (i < leftList.size()) {
                cell1_4[0] = new Cell(new Phrase(str_changenbsp(leftList.get(i)
                        .getKcmc()),contextFont));
                cell1_4[1] = new Cell(new Phrase(str_changenbsp(leftList.get(i)
                        .getJsxm()),contextFont));
                cell1_4[2] = new Cell(new Phrase(str_changenbsp(leftList.get(i)
                        .getXf()),contextFont));
                cell1_4[3] = new Cell(new Phrase(str_changenbsp(leftList.get(i)
                        .getJszc()),contextFont));
            }
            for (int n = 0; n < cell1_4.length; n++) {
                cell1_4[n].setHorizontalAlignment(Element.ALIGN_CENTER);
                cell1_4[n].setVerticalAlignment(Element.ALIGN_MIDDLE);
                table.addCell(cell1_4[n]);
            }
            /** 第5列 author:yyli Sep 15,2010 */
            Cell cell5 = null;
            if (i == 0) {
                cell5 = new Cell(new Phrase("上午",contextFont));
                cell5.setRowspan(5);
            }
            if (i == 5) {
                cell5 = new Cell(new Phrase("下午",contextFont));
                cell5.setRowspan(5);
            }
            if (i == 10) {
                cell5 = new Cell(new Phrase("晚上",contextFont));
                cell5.setRowspan(2);
            }
            if (i == 12) {
                cell5 = new Cell(new Phrase("周六",contextFont));
                cell5.setColspan(2);
            }
            if (i == 13) {
                cell5 = new Cell(new Phrase("周日",contextFont));
                cell5.setColspan(2);
            }
            if (i == 14) {
                cell5 = new Cell(new Phrase("备注",contextFont));
                cell5.setColspan(2);
            }
            if (cell5 != null) {
                cell5.setHorizontalAlignment(Element.ALIGN_CENTER);
                cell5.setVerticalAlignment(Element.ALIGN_MIDDLE);
                table.addCell(cell5);
            }
            /** 第6列 author:yyli Sep 15,2010 */
            if (i < 12) {
                Cell cell2 = new Cell(new Phrase(String.valueOf(i + 1),contextFont));
                cell2.setHorizontalAlignment(Element.ALIGN_CENTER);
                cell2.setVerticalAlignment(Element.ALIGN_MIDDLE);
                table.addCell(cell2);
            }
            /** 第7-11列 author:yyli Sep 15,2010 */
            if (i == 0 || i == 5 || i == 10) {
                Cell[] cell7_11 = new Cell[5];
                for (int n = 0; n < 5; n++) {
                    cell7_11[n] = new Cell(new Phrase(
                            str_changebr(stuCurriculumArray[i + n]),contextFont));
                    cell7_11[n].setHorizontalAlignment(Element.ALIGN_CENTER);
                    cell7_11[n].setVerticalAlignment(Element.ALIGN_MIDDLE);
                    if (i == 0 || i == 5) {
                        cell7_11[n].setRowspan(5);
                    } else {
                        cell7_11[n].setRowspan(2);
                    }
                    table.addCell(cell7_11[n]);
                }
            }
            Cell cell7 = null;
            if (i == 12) {
                cell7 = new Cell(new Phrase(
                        str_changebr(stuCurriculumArray[15]),contextFont));
            }
            if (i == 13) {
                cell7 = new Cell(new Phrase(
                        str_changebr(stuCurriculumArray[16]),contextFont));
            }
            if (i == 14) {
                cell7 = new Cell(new Phrase(
                        str_changebr(stuCurriculumArray[17]),contextFont));
            }
            if (cell7 != null) {
                cell7.setColspan(5);
                cell7.setHorizontalAlignment(Element.ALIGN_CENTER);
                cell7.setVerticalAlignment(Element.ALIGN_MIDDLE);
                table.addCell(cell7);
            }

        }

        doc.add(table);
        doc.close();

        // 得到输入流  
        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        baos.close();
        return bais;
    }

    public String str_changenbsp(String str) {
        if (str != null) {
            return str.replaceAll(" ","");
        } else {
            return "";
        }
    }

    public String str_changebr(String str) {
        if (str != null) {
            return str.replaceAll("<br>","n");
        } else {
            return "";
        }
    }
}