java poi 动态导出word表格带合并效果

1.引入word导出所需依赖包

工作常用的excel，word导出，需要引入下面的6个主要包，和主要包依赖的其他包，可以看下面的表格进行依赖下载引入

这下面的两张图是主要包对应涉及到功能，可以按需要进行引入，有些真的用不到的主要包可以不引入

2.引入工具类

1.util类

package com.management.util;import org.apache.poi.POIXMLDocument;
import org.apache.poi.xwpf.usermodel.*;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.*;import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;/*** Created by wfg 2020-08-12*/
public class ExportWordUtil {/*** 根据模板生成word文档* @param inputUrl 模板路径* @param textMap 需要替换的文本内容* @param mapList 需要动态生成的内容* @return*/public static CustomXWPFDocument changWord(String inputUrl, Map<String, Object> textMap, List<Object> mapList,int[] placeList) {CustomXWPFDocument document = null;try {//获取docx解析对象document = new CustomXWPFDocument(POIXMLDocument.openPackage(inputUrl));//解析替换文本段落对象ExportWordUtil.changeText(document, textMap);//解析替换表格对象ExportWordUtil.changeTable(document, textMap, mapList,placeList);} catch (IOException e) {e.printStackTrace();}return document;}/*** 替换段落文本* @param document docx解析对象* @param textMap 需要替换的信息集合*/public static void changeText(CustomXWPFDocument document, Map<String, Object> textMap){//获取段落集合List<XWPFParagraph> paragraphs = document.getParagraphs();for (XWPFParagraph paragraph : paragraphs) {//判断此段落时候需要进行替换String text = paragraph.getText();if(checkText(text)){List<XWPFRun> runs = paragraph.getRuns();for (XWPFRun run : runs) {//替换模板原来位置Object ob = changeValue(run.toString(), textMap);System.out.println("段落："+run.toString());if (ob instanceof String){run.setText((String)ob,0);}}}}}/*** 替换表格对象方法* @param document docx解析对象* @param textMap 需要替换的信息集合* @param mapList 需要动态生成的内容*/public static void changeTable(CustomXWPFDocument document, Map<String, Object> textMap, List<Object> mapList,int[] placeList){//获取表格对象集合List<XWPFTable> tables = document.getTables();//循环所有需要进行替换的文本，进行替换for (int i = 0; i < tables.size(); i++) {System.out.println("1111");XWPFTable table = tables.get(i);if(checkText(table.getText())){System.out.println("222");List<XWPFTableRow> rows = table.getRows();System.out.println("简单表格替换："+rows);//遍历表格,并替换模板eachTable(document,rows, textMap);}}int index=0;//操作word中的表格for (int i = 0; i < tables.size(); i++) {//只处理行数大于等于2的表格，且不循环表头XWPFTable table = tables.get(i);if(placeList[index]==i){List<String[]> list = (List<String[]>) mapList.get(index);//第二个表格使用daList，插入数据if (null != list && 0 < list.size()){insertTable(table, null,list,2);List<Integer[]> indexList = startEnd(list);for (int c=0;c<indexList.size();c++){//合并行mergeCellVertically(table,0,indexList.get(c)[0]+1,indexList.get(c)[1]+1);}}index++;}}}/*** 遍历表格* @param rows 表格行对象* @param textMap 需要替换的信息集合*/public static void eachTable(CustomXWPFDocument document, List<XWPFTableRow> rows , Map<String, Object> textMap){for (XWPFTableRow row : rows) {List<XWPFTableCell> cells = row.getTableCells();for (XWPFTableCell cell : cells) {//判断单元格是否需要替换if(checkText(cell.getText())){List<XWPFParagraph> paragraphs = cell.getParagraphs();for (XWPFParagraph paragraph : paragraphs) {List<XWPFRun> runs = paragraph.getRuns();for (XWPFRun run : runs) {Object ob = changeValue(run.toString(), textMap);if (ob instanceof String){run.setText((String)ob,0);}else if (ob instanceof Map){run.setText("",0);Map pic = (Map)ob;int width = Integer.parseInt(pic.get("width").toString());int height = Integer.parseInt(pic.get("height").toString());int picType = getPictureType(pic.get("type").toString());byte[] byteArray = (byte[]) pic.get("content");ByteArrayInputStream byteInputStream = new ByteArrayInputStream(byteArray);try {//String ind = document.addPictureData(byteInputStream,picType);//document.createPicture(ind, width , height,paragraph);String ind = document.addPictureData(byteInputStream, picType);int id = document.getNextPicNameNumber(picType);document.createPicture(ind, id, width, height, paragraph);} catch (Exception e) {e.printStackTrace();}}}}}}}}/*** 为表格插入数据，行数不够添加新行* @param table 需要插入数据的表格* @param tableList 第四个表格的插入数据* @param daList 第二个表格的插入数据* @param type 表格类型：1-第一个表格 2-第二个表格 3-第三个表格 4-第四个表格*/public static void insertTable(XWPFTable table, List<String> tableList,List<String[]> daList,Integer type){if (2 == type){//创建行和创建需要的列for(int i = 1; i < daList.size(); i++){//添加一个新行XWPFTableRow row = table.insertNewTableRow(1);/*System.out.println("333");System.out.println(table.getRow(1).getHeight());*/for(int k=0; k<daList.get(0).length;k++){row.createCell();//根据String数组第一条数据的长度动态创建列}row.setHeight(400);//设置行高度}//创建行,根据需要插入的数据添加新行，不处理表头for(int i = 0; i < daList.size(); i++){table.getRow(i+1).setHeight(400);//设置行高度List<XWPFTableCell> cells = table.getRow(i+1).getTableCells();for(int j = 0; j < cells.size(); j++){XWPFTableCell cell02 = cells.get(j);cell02.setText(daList.get(i)[j]);/** 设置水平居中 */CTTc cttc = cell02.getCTTc();CTTcPr ctPr = cttc.addNewTcPr();ctPr.addNewVAlign().setVal(STVerticalJc.CENTER);cttc.getPList().get(0).addNewPPr().addNewJc().setVal(STJc.CENTER);}}}else if (4 == type){//插入表头下面第一行的数据for(int i = 0; i < tableList.size(); i++){XWPFTableRow row = table.createRow();row.setHeight(400);//设置行高度List<XWPFTableCell> cells = row.getTableCells();cells.get(0).setText(tableList.get(i));}}}/*** 判断文本中时候包含$* @param text 文本* @return 包含返回true,不包含返回false*/public static boolean checkText(String text){boolean check  =  false;if(text.indexOf("$")!= -1){check = true;}return check;}/*** 匹配传入信息集合与模板* @param value 模板需要替换的区域* @param textMap 传入信息集合* @return 模板需要替换区域信息集合对应值*/public static Object changeValue(String value, Map<String, Object> textMap){Set<Map.Entry<String, Object>> textSets = textMap.entrySet();Object valu = "";for (Map.Entry<String, Object> textSet : textSets) {//匹配模板与替换值 格式${key}String key = textSet.getKey();if(value.indexOf(key)!= -1){valu = textSet.getValue();}}return valu;}/*** 将输入流中的数据写入字节数组* @param in* @return*/public static byte[] inputStream2ByteArray(InputStream in, boolean isClose){byte[] byteArray = null;try {int total = in.available();byteArray = new byte[total];in.read(byteArray);} catch (IOException e) {e.printStackTrace();}finally{if(isClose){try {in.close();} catch (Exception e2) {System.out.println("关闭流失败");}}}return byteArray;}/*** 根据图片类型，取得对应的图片类型代码* @param picType* @return int*/private static int getPictureType(String picType){int res = CustomXWPFDocument.PICTURE_TYPE_PICT;if(picType != null){if(picType.equalsIgnoreCase("png")){res = CustomXWPFDocument.PICTURE_TYPE_PNG;}else if(picType.equalsIgnoreCase("dib")){res = CustomXWPFDocument.PICTURE_TYPE_DIB;}else if(picType.equalsIgnoreCase("emf")){res = CustomXWPFDocument.PICTURE_TYPE_EMF;}else if(picType.equalsIgnoreCase("jpg") || picType.equalsIgnoreCase("jpeg")){res = CustomXWPFDocument.PICTURE_TYPE_JPEG;}else if(picType.equalsIgnoreCase("wmf")){res = CustomXWPFDocument.PICTURE_TYPE_WMF;}}return res;}/*** 合并行* @param table* @param col 需要合并的列* @param fromRow 开始行* @param toRow 结束行*/public static void mergeCellVertically(XWPFTable table, int col, int fromRow, int toRow) {for(int rowIndex = fromRow; rowIndex <= toRow; rowIndex++){CTVMerge vmerge = CTVMerge.Factory.newInstance();if(rowIndex == fromRow){vmerge.setVal(STMerge.RESTART);} else {vmerge.setVal(STMerge.CONTINUE);}XWPFTableCell cell = table.getRow(rowIndex).getCell(col);CTTcPr tcPr = cell.getCTTc().getTcPr();if (tcPr != null) {tcPr.setVMerge(vmerge);//cell.getCTTc().setTcPr(tcPr);} else {tcPr = CTTcPr.Factory.newInstance();tcPr.setVMerge(vmerge);cell.getCTTc().setTcPr(tcPr);}}}/*** 获取需要合并单元格的下标* @return*/public static List<Integer[]> startEnd(List<String[]> daList){List<Integer[]> indexList = new ArrayList<Integer[]>();List<String> list = new ArrayList<String>();for (int i=0;i<daList.size();i++){list.add(daList.get(i)[0]);}Map<Object, Integer> tm = new HashMap<Object, Integer>();for (int i=0;i<daList.size();i++){if (!tm.containsKey(daList.get(i)[0])) {tm.put(daList.get(i)[0], 1);} else {int count = tm.get(daList.get(i)[0]) + 1;tm.put(daList.get(i)[0], count);}}for (Map.Entry<Object, Integer> entry : tm.entrySet()) {String key = entry.getKey().toString();String value = entry.getValue().toString();if (list.indexOf(key) != (-1)){Integer[] index = new Integer[2];index[0] = list.indexOf(key);index[1] = list.lastIndexOf(key);indexList.add(index);}}return indexList;}}

2.自定义XWPFDocument类

package com.management.util;import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlToken;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
import org.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;
import org.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.CTInline;import java.io.IOException;
import java.io.InputStream;/*** Created by wfg 2020-08-12.* 自定义 XWPFDocument，并重写 createPicture()的方法*/
public class CustomXWPFDocument extends XWPFDocument{public CustomXWPFDocument(InputStream in) throws IOException {super(in);}public CustomXWPFDocument() {super();}public CustomXWPFDocument(OPCPackage pkg) throws IOException {super(pkg);}/*** @param id* @param width 宽* @param height 高* @param paragraph  段落*/public void createPicture(String blipId, int id, int width, int height, XWPFParagraph paragraph) {final int EMU = 9525;width *= EMU;height *= EMU;CTInline inline = paragraph.createRun().getCTR().addNewDrawing().addNewInline();String picXml = "" +"<a:graphic xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\">" +"   <a:graphicData uri=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">" +"      <pic:pic xmlns:pic=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">" +"         <pic:nvPicPr>" +"            <pic:cNvPr id=\"" + id + "\" name=\"Generated\"/>" +"            <pic:cNvPicPr/>" +"         </pic:nvPicPr>" +"         <pic:blipFill>" +"            <a:blip r:embed=\"" + blipId + "\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\"/>" +"            <a:stretch>" +"               <a:fillRect/>" +"            </a:stretch>" +"         </pic:blipFill>" +"         <pic:spPr>" +"            <a:xfrm>" +"               <a:off x=\"0\" y=\"0\"/>" +"               <a:ext cx=\"" + width + "\" cy=\"" + height + "\"/>" +"            </a:xfrm>" +"            <a:prstGeom prst=\"rect\">" +"               <a:avLst/>" +"            </a:prstGeom>" +"         </pic:spPr>" +"      </pic:pic>" +"   </a:graphicData>" +"</a:graphic>";inline.addNewGraphic().addNewGraphicData();XmlToken xmlToken = null;try {xmlToken = XmlToken.Factory.parse(picXml);} catch (XmlException xe) {xe.printStackTrace();}inline.set(xmlToken);CTPositiveSize2D extent = inline.addNewExtent();extent.setCx(width);extent.setCy(height);CTNonVisualDrawingProps docPr = inline.addNewDocPr();docPr.setId(id);docPr.setName("图片" + id);docPr.setDescr("头像");}
}

3.创建测试类

注意使用的word模板，要有一个表头和一行空数据,要不运行会报错空指针，找不到有效行，运行下面的类后，即可看到效果

package com.management.web;import com.management.util.CustomXWPFDocument;
import com.management.util.ExportWordUtil;import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;public class TestWord {public static void main(String[] args) throws Exception {//需要进行文本替换的信息Map<String, Object> data = new HashMap<String, Object>();data.put("${date}", "(2020年08月12日)");data.put("${name}", "测试一下");//图片，如果是多个图片，就新建多个map/* Map<String,Object> picture1 = new HashMap<String, Object>();picture1.put("width", 100);picture1.put("height", 150);picture1.put("type", "jpg");picture1.put("content", ExportWordUtil.inputStream2ByteArray(new FileInputStream("D:/timg.jpg"), true));data.put("${picture1}",picture1);
*///需要进行动态生成的信息List<Object> mapList = new ArrayList<Object>();//第一个动态生成的数据列表List<String[]> list01 = new ArrayList<String[]>();list01.add(new String[]{"A","11111111111","22","22","22","22","22"});list01.add(new String[]{"A","22222222222","33","22","22","22","22"});list01.add(new String[]{"B","33333333333","44","22","22","22","22"});list01.add(new String[]{"B","44444444444","55","22","22","22","22"});list01.add(new String[]{"B","33333333333","44","22","22","22","22"});list01.add(new String[]{"C","44444444444","55","22","22","22","22"});list01.add(new String[]{"C","33333333333","44","22","22","22","22"});list01.add(new String[]{"C","44444444444","55","22","22","22","22"});list01.add(new String[]{"C","44444444444","55","22","22","22","22"});//第二个动态生成的数据列表List<String[]> list02 = new ArrayList<String[]>();list02.add(new String[]{"A","11111111111","22","22","22","22","22"});list02.add(new String[]{"d","22222222222","33","22","22","22","22"});list02.add(new String[]{"B","33333333333","44","22","22","22","22"});list02.add(new String[]{"C","44444444444","55","22","22","22","22"});mapList.add(list01);//mapList.add(list02);//需要动态改变表格的位置；第一个表格的位置为0,1int[] placeList = {0,1};CustomXWPFDocument doc = ExportWordUtil.changWord("D:/word.docx",data,mapList,placeList);FileOutputStream fopts = new FileOutputStream("D:/合并表格.docx");doc.write(fopts);fopts.close();}}

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java poi 动态导出word表格带合并效果

1.引入word导出所需依赖包

2.引入工具类

3.创建测试类

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