poi操作word向word中写入复杂的表格（合并行、合并列）
一、准备工作
能遇到这种问题的相信大家都有jar包了，如果没有那就度娘找一下吧。
闲话不多直接上代码
二、代码
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.util.Iterator;
import org.apache.commons.lang3.StringUtils;
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.XWPFTableCell.XWPFVertAlign;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTBorder;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTHMerge;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTTblWidth;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTTc;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTTcBorders;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTTcPr;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTVMerge;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STBorder;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STMerge;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STOnOff;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STTblWidth;
import com.google.common.base.Strings;
/**
* poi操作word向word中写入复杂的表格（合并行、合并列）
*
* @author Christmas_G
*
*/
public class Test {
public static void main(String[] args) throws Exception {
String tableContent = "班级 班级人数 近视人数 近视人数占全班人数的百分数(除不尽的百分号前保留一位小数) 六一班 . 8 . 六二班 32 . . 六三班 . . 22.2% 合计 117 26 22.2%
";
Element node = supplementTable(tableContent);
XWPFDocument set = setTable(node);
OutputStream stream = new FileOutputStream("C:\\Users\\Administrator\\Desktop\\test\\cc.docx");
set.write(stream);
set.close();
}
/**
* 向word中写表格
*
* @author Christmas_G
* @param element
* @return
* @throws Exception
*/
private static XWPFDocument setTable(Element element) throws Exception {
Document tableDoc = element.ownerDocument();
Elements trList = tableDoc.getElementsByTag("tr");
Elements tdList = trList.first().getElementsByTag("td");
XWPFDocument document = new XWPFDocument();
XWPFTable table = document.createTable(trList.size(), tdList.size());
boolean[][] colspanFlag = new boolean[trList.size()][tdList.size()];
boolean[][] rowspanFlag = new boolean[trList.size()][tdList.size()];
for (int row = 0; row < trList.size(); row++) {
Element tr = trList.get(row);
Elements tds = tr.getElementsByTag("td");
for (int col = 0; col < tds.size(); col++) {
Element td = tds.get(col);
String colspan = td.attr("colspan");
String rowspan = td.attr("rowspan");
String align = td.attr("align");
String widthStyle = td.attr("width");
String style = td.attr("style");
// 记录需要合并的列
if (!StringUtils.isEmpty(colspan)) {
int colCount = Integer.parseInt(colspan);
for (int i = 0; i < colCount - 1; i++) {
colspanFlag[row][col + i + 1] = true;
}
}
// 记录需要合并的行
if (!StringUtils.isEmpty(rowspan)) {
int rowCount = Integer.parseInt(rowspan);
for (int i = 0; i < rowCount - 1; i++) {
rowspanFlag[row + i + 1][col] = true;
}
}
// 处理合并
XWPFTableCell cell = table.getRow(row).getCell(col);
if (colspanFlag[row][col]) {
setColMerge(cell, STMerge.CONTINUE);
continue;
} else {
setColMerge(cell, STMerge.RESTART);
}
if (rowspanFlag[row][col]) {
setRowMerge(cell, STMerge.CONTINUE);
continue;
} else {
setRowMerge(cell, STMerge.RESTART);
}
// 设置列宽
if (!Strings.isNullOrEmpty(widthStyle) && !"0".equals(widthStyle)) {
int width = Integer.parseInt(widthStyle);
setWidth(cell, width);
}
XWPFParagraph paragraph = null;
int size = cell.getParagraphs().size();
if (size == 0) {
paragraph = cell.addParagraph();
} else {
paragraph = cell.getParagraphs().get(size - 1);
}
// 设置水平样式
if ("CENTER".equalsIgnoreCase(align)) {
paragraph.setAlignment(ParagraphAlignment.CENTER);
} else if ("LEFT".equalsIgnoreCase(align)) {
paragraph.setAlignment(ParagraphAlignment.LEFT);
}
// 设置垂直居中
cell.setVerticalAlignment(XWPFVertAlign.CENTER);
// 设置没有边框
if (!style.contains("border:")) {
setNotBorder(cell);
}
XWPFRun run = paragraph.createRun();
run.setText(td.text());
}
}
return document;
}
/**
* 设置行合并属性
*
* @author Christmas_G
* @date 2019-05-31 14:08:02
* @param tableCell
* @param mergeVlaue
*/
private static void setRowMerge(XWPFTableCell tableCell, STMerge.Enum mergeVlaue) {
CTTc ctTc = tableCell.getCTTc();
CTTcPr cpr = ctTc.isSetTcPr() ? ctTc.getTcPr() : ctTc.addNewTcPr();
CTVMerge merge = cpr.isSetVMerge() ? cpr.getVMerge() : cpr.addNewVMerge();
merge.setVal(mergeVlaue);
}
/**
* 设置列合并属性
*
* @author Christmas_G
* @date 2019-05-31 14:07:50
* @param tableCell
* @param mergeVlaue
*/
private static void setColMerge(XWPFTableCell tableCell, STMerge.Enum mergeVlaue) {
CTTc ctTc = tableCell.getCTTc();
CTTcPr cpr = ctTc.isSetTcPr() ? ctTc.getTcPr() : ctTc.addNewTcPr();
CTHMerge merge = cpr.isSetHMerge() ? cpr.getHMerge() : cpr.addNewHMerge();
merge.setVal(mergeVlaue);
}
/**
* 补全表格
*
* @author Christmas_G
* @date 2019-05-31 13:32:52
* @param tableHtml
* @return
*/
private static Element supplementTable(String tableHtml) {
Document tableDoc = Jsoup.parse(tableHtml);
Elements trels = tableDoc.getElementsByTag("tr");
// 补全合并的列
supplementMergedColumns(trels);
// 补全合并的行
supplementMergedRows(trels);
return tableDoc.getElementsByTag("table").first();
}
/**
* 补全合并的列
*
* @author Christmas_G
* @date 2019-05-31 11:57:36
* @param trels
*/
private static void supplementMergedColumns(Elements trels) {
// 所有tr
Iterator<Element> trelIter = trels.iterator();
while (trelIter.hasNext()) {
Element trel = trelIter.next();
// 获取所有td
Elements tdels = trel.getElementsByTag("td");
Iterator<Element> tdelIter = tdels.iterator();
while (tdelIter.hasNext()) {
Element tdel = tdelIter.next();
// 删除样式
tdel.removeAttr("class");
// 取到合并的列数量
String colspanIndex = tdel.attr("colspan");
if (StringUtils.isEmpty(colspanIndex)) {
continue;
}
Integer colspanVal = Integer.parseInt(colspanIndex);
for (int i = 1; i < colspanVal; i++) {
trel.appendElement("td");
}
}
}
}
/**
* 补全合并的行（调用此方法前 需要调用 “补全合并的列”方法）
*
* @author Christmas_G
* @date 2019-05-31 11:57:47
* @param trels
*/
private static void supplementMergedRows(Elements trels) {
// 获取最大的列
int tdSize = 0;
Iterator<Element> iterator = trels.iterator();
while (iterator.hasNext()) {
Element element = iterator.next();
int size = element.getElementsByTag("td").size();
if (size > tdSize) {
tdSize = size;
}
}
for (int i = 0; i < trels.size(); i++) {
Element currTr = trels.get(i);
int currTrTds = currTr.getElementsByTag("td").size();
if (currTrTds == tdSize) {
continue;
}
int count = tdSize - currTrTds;
for (int j = 0; j < count; j++) {
currTr.appendElement("td");
}
}
}
/**
* 设置列宽
*
* @author Christmas_G
* @date 2019-06-28 11:30:22
* @param cell
* @param width
*/
private static void setWidth(XWPFTableCell cell, int width) {
CTTblWidth ctTblWidth = cell.getCTTc().addNewTcPr().addNewTcW();
// 此处乘以20是我以最接近A4上创建表格的宽度手动设置的
// 目前没有找到将px转换为word里单位的方式
ctTblWidth.setW(BigInteger.valueOf(width).multiply(BigInteger.valueOf(20)));
ctTblWidth.setType(STTblWidth.DXA);
}
/**
* 设置表格为没有边框线
*
* @author Christmas_G
* @date 2019-06-28 11:33:48
* @param cell
*/
private static void setNotBorder(XWPFTableCell cell) {
CTTcBorders cTTcBorders = cell.getCTTc().getTcPr().addNewTcBorders();
CTBorder clBorder = cTTcBorders.addNewLeft();
clBorder.setVal(STBorder.Enum.forString("none"));
clBorder.setShadow(STOnOff.ON);
CTBorder crBorder = cTTcBorders.addNewRight();
crBorder.setVal(STBorder.Enum.forString("none"));
crBorder.setShadow(STOnOff.ON);
CTBorder cbBorder = cTTcBorders.addNewBottom();
cbBorder.setVal(STBorder.Enum.forString("none"));
cbBorder.setShadow(STOnOff.ON);
CTBorder ctBorder = cTTcBorders.addNewTop();
ctBorder.setVal(STBorder.Enum.forString("none"));
ctBorder.setShadow(STOnOff.ON);
}
}