poi导出word表格

代码如下：

package com.ksource.pwlp.util;

import java.io.FileOutputStream;

import java.math.BigInteger;

import org.apache.poi.xwpf.usermodel.ParagraphAlignment;

import org.apache.poi.xwpf.usermodel.XWPFDocument;

import org.apache.poi.xwpf.usermodel.XWPFParagraph;

import org.apache.poi.xwpf.usermodel.XWPFRun;

import org.apache.poi.xwpf.usermodel.XWPFTable;

import org.apache.poi.xwpf.usermodel.XWPFTableCell;

import org.apache.poi.xwpf.usermodel.XWPFTableRow;

import org.apache.poi.xwpf.usermodel.XWPFTableCell.XWPFVertAlign;

import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTTbl;

import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTTblPr;

import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTTblWidth;

import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTTc;

import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTTcPr;

import org.openxmlformats.schemas.wordprocessingml.x2006.main.STJc;

import org.openxmlformats.schemas.wordprocessingml.x2006.main.STTblWidth;

import org.openxmlformats.schemas.wordprocessingml.x2006.main.STVerticalJc;

public class CreateTable {

    public void createSimpleTable(String savePath) throws Exception {

        XWPFDocument xdoc = new XWPFDocument();

        XWPFParagraph xp = xdoc.createParagraph();

        xp.setSpacingBefore(0);

        XWPFRun r1 = xp.createRun();

        r1.setText("湖北省人民检察院");

        r1.addBreak(); // 换行

        r1.setText("证据清单");

        r1.setFontFamily("宋体");

        r1.setFontSize(16);

        r1.setTextPosition(10);

        r1.setBold(true);

        xp.setAlignment(ParagraphAlignment.CENTER);

        Integer col_total_count = 4; // 表格最多的列数

        Integer data_count = 20; // 需要创建的总条数

        XWPFTable xTable = xdoc.createTable(1, col_total_count);

        CTTbl ttbl = xTable.getCTTbl();

        CTTblPr tblPr = ttbl.getTblPr() == null ? ttbl.addNewTblPr() : ttbl

                .getTblPr();

        CTTblWidth tblWidth = tblPr.isSetTblW() ? tblPr.getTblW() : tblPr

                .addNewTblW();

        tblWidth.setW(new BigInteger("8600"));

        tblWidth.setType(STTblWidth.DXA);

        // 创建表头数据

        int i = 0;

        xTable.getRow(i).setHeight(500);

        setCellText(xdoc, xTable.getRow(i).getCell(0), "序号", "FFFFFF", getCellWidth(0));

        setCellText(xdoc, xTable.getRow(i).getCell(1), "类别", "FFFFFF", getCellWidth(1));

        setCellText(xdoc, xTable.getRow(i).getCell(2), "证据名称", "FFFFFF", getCellWidth(2));

        setCellText(xdoc, xTable.getRow(i).getCell(3), "备注", "FFFFFF", getCellWidth(3));

        // 创建表格内容

        i++;

        for (int i2 = i; i2 < data_count; i2++) {

            XWPFTableRow row = xTable.insertNewTableRow(i2);

            row.setHeight(450);

            for (int j = 0, j2 = 0; j < col_total_count; j++, j2++) {

                XWPFTableCell cell = row.createCell();

                CTTc cttc = cell.getCTTc();

                CTTcPr cellPr = cttc.addNewTcPr();

                cellPr.addNewVAlign().setVal(STVerticalJc.CENTER);

                cttc.getPList().get(0).addNewPPr().addNewJc().setVal(STJc.CENTER);

                cellPr.addNewTcW().setW(BigInteger.valueOf(getCellWidth(j2)));

                cell.setText("测试" + j);

            }

        }

        FileOutputStream fos = new FileOutputStream(savePath);

        xdoc.write(fos);

        fos.close();

    }

    /**

     * 设置表头内容

     *

     * @param xDocument

     * @param cell

     * @param text

     * @param bgcolor

     * @param width

     */

    private static void setCellText(XWPFDocument xDocument, XWPFTableCell cell,

            String text, String bgcolor, int width) {

        CTTc cttc = cell.getCTTc();

        CTTcPr cellPr = cttc.addNewTcPr();

        cellPr.addNewTcW().setW(BigInteger.valueOf(width));

        cell.setColor(bgcolor);

        cell.setVerticalAlignment(XWPFVertAlign.CENTER);

        CTTcPr ctPr = cttc.addNewTcPr();

        ctPr.addNewVAlign().setVal(STVerticalJc.CENTER);

        cttc.getPList().get(0).addNewPPr().addNewJc().setVal(STJc.CENTER);

        cell.setText(text);

    }

    /**

     * 设置列宽

     *

     * @param index

     * @return

     */

    private static int getCellWidth(int index) {

        int cwidth = 1000;

        if (index == 0) {

            cwidth = 2100;

        } else if (index == 1) {

            cwidth = 2100;

        } else if (index == 2) {

            cwidth = 2100;

        } else if (index == 3) {

            cwidth = 2100;

        }

        return cwidth;

    }

    public static void main(String[] args) throws Exception {

        CreateTable t = new CreateTable();

        t.createSimpleTable("g:/"+ System.currentTimeMillis() + ".docx");

    }

}

生成word如下：