POI导出word表格

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;

@RequestMapping(value = "/dcWord1")
public void exportEventStatistic(String deptid,HttpServletRequest request, HttpServletResponse response) 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);
}
}
response.setContentType("application/msword;charset=utf-8");
response.setHeader("Content-Disposition", "attachment;filename=" + java.net.URLEncoder.encode("123.doc", "UTF-8"));
OutputStream os;
os = response.getOutputStream();
xdoc.write(os);
os.flush();
os.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;
}

借鉴网址：https://www.cnblogs.com/henuyuxiang/p/11811782.html