poi导出word文档，doc和docx

maven

<!-- https://mvnrepository.com/artifact/org.apache.poi/poi -->
<dependency>
   <groupId>org.apache.poi</groupId>
   <artifactId>poi</artifactId>
   <version>4.1.0</version>
</dependency>

      <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml -->
      <dependency>
          <groupId>org.apache.poi</groupId>
          <artifactId>poi-ooxml</artifactId>
          <version>4.1.0</version>
      </dependency>

<!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml-schemas -->
<dependency>
   <groupId>org.apache.poi</groupId>
   <artifactId>poi-ooxml-schemas</artifactId>
   <version>4.1.0</version>
</dependency>

<!-- https://mvnrepository.com/artifact/org.apache.poi/poi-scratchpad -->
<dependency>
   <groupId>org.apache.poi</groupId>
   <artifactId>poi-scratchpad</artifactId>
   <version>4.1.0</version>
</dependency>

<!-- https://mvnrepository.com/artifact/org.apache.xmlbeans/xmlbeans -->
<dependency>
   <groupId>org.apache.xmlbeans</groupId>
   <artifactId>xmlbeans</artifactId>
   <version>3.1.0</version>
</dependency>

判断单双页导出docx文档

    /**
     * 导出出租房屋
     * @param request
     * @return
     */
    @RequestMapping(value = "exportRentalhouse",produces = {"application/json;chatset=utf-8"},method = RequestMethod.GET)
    @ApiOperation(value = "导出出租房屋",notes = "导出出租房屋")
    public AjaxResult exportRentalhouse(HttpServletRequest request, @RequestParam Map<String,Object> map,HttpServletResponse response) throws Exception {
        try {
            InputStream is = new FileInputStream(ResourceUtils.getFile("classpath:static/doc/rentahouse.docx"));
//            InputStream is = new FileInputStream("E:\\desktop\\doc\\rentahouse.docx");
            XWPFDocument doc = new XWPFDocument(is);
            List<XWPFTable> tables = doc.getTables();
            FileOutputStream outStream = null;
            OutputStream os = response.getOutputStream();
            String fileName = "出租房屋"+getTime();
            response.setContentType("application/octet-stream; charset=utf-8");//导出word格式
            response.setHeader("Content-Disposition", "attachment;filename=" + new String(fileName.getBytes("gb2312"), "ISO8859-1")+".docx");
            Map<String,Object> mm1 = new HashMap<String,Object>();
            Map<String,Object> mm2 = new HashMap<String,Object>();
            List<Map<String,Object>> listmap = new ArrayList<>();
            mm1.put("rentaltleid","a5ba1e17ec6647eda347becad01aa3c3");
            mm2.put("rentaltleid","9f61b54c5a2c4f9482a218183f5824de");
            listmap.add(mm1);
            listmap.add(mm2);
            if(listmap.size() > 1){
                OutputStream ot = new FileOutputStream(ResourceUtils.getFile("classpath:static/doc/temp.docx"));
                for (int i = 1;i < listmap.size();i++) {
                    doc.createTable();
                    CTTbl ab = CTTbl.Factory.newInstance();
                    ab.set(doc.getTables().get(0).getCTTbl());
                    IBody iBody = doc.getTables().get(0).getBody();
                    XWPFTable newTable = new XWPFTable(ab, iBody);
                    doc.setTable(1,newTable);
                }
                doc.write(ot);
                doc.close();
                is.close();
                InputStream is2 = new FileInputStream(ResourceUtils.getFile("classpath:static/doc/temp.docx"));
                XWPFDocument doc2 = new XWPFDocument(is2);
                List<XWPFTable> tables2 = doc2.getTables();
                for (int i = 0;i < listmap.size();i++) {
                    List<Map<String,Object>> lm =  appBusRentalhouseService.findRentalhouseContentList(listmap.get(i));
                    tables2.get(i).getRows().get(2).getTableCells().get(1).setText((String)lm.get(0).get("numberplate"));
                    tables2.get(i).getRows().get(2).getTableCells().get(3).setText((String)lm.get(0).get("lesseename"));
                    tables2.get(i).getRows().get(2).getTableCells().get(5).setText((String)lm.get(0).get("lesseephone"));
                    tables2.get(i).getRows().get(3).getTableCells().get(1).setText((String)lm.get(0).get("idcard"));
                    tables2.get(i).getRows().get(4).getTableCells().get(1).setText((String)lm.get(0).get("address"));
                    tables2.get(i).getRows().get(5).getTableCells().get(1).setText((String)lm.get(0).get("workunit"));
                    tables2.get(i).getRows().get(6).getTableCells().get(1).setText((String)lm.get(0).get("number"));
                    tables2.get(i).getRows().get(7).getTableCells().get(1).setText((String)lm.get(0).get("startdate"));
                    tables2.get(i).getRows().get(7).getTableCells().get(3).setText((String)lm.get(0).get("enddate"));
                    tables2.get(i).getRows().get(8).getTableCells().get(1).setText((String)lm.get(0).get("rent"));
                    tables2.get(i).getRows().get(8).getTableCells().get(3).setText((String)lm.get(0).get("waterrent"));
                    tables2.get(i).getRows().get(9).getTableCells().get(1).setText((String)lm.get(0).get("electriccharge"));
                    tables2.get(i).getRows().get(10).getTableCells().get(1).setText((String)lm.get(0).get("otherfees"));
                    tables2.get(i).getRows().get(12).getTableCells().get(0).setText((String)lm.get(0).get("detailedlist"));
                    tables2.get(i).getRows().get(31).getTableCells().get(4).setText((String)lm.get(0).get("writetime"));
                    tables2.get(i).getRows().get(31).getTableCells().get(1).setText((String)lm.get(0).get("title"));
                    tables2.get(i).getRows().get(31).getTableCells().get(4).setText((String)lm.get(0).get("eventtime"));
                }
                doc2.write(os);
                doc2.close();
                is2.close();
                os.close();
            }else{
                List<Map<String,Object>> lm =  appBusRentalhouseService.findRentalhouseContentList(listmap.get(0));
                tables.get(0).getRows().get(2).getTableCells().get(1).setText((String)lm.get(0).get("numberplate"));
                tables.get(0).getRows().get(2).getTableCells().get(3).setText((String)lm.get(0).get("lesseename"));
                tables.get(0).getRows().get(2).getTableCells().get(5).setText((String)lm.get(0).get("lesseephone"));
                tables.get(0).getRows().get(3).getTableCells().get(1).setText((String)lm.get(0).get("idcard"));
                tables.get(0).getRows().get(4).getTableCells().get(1).setText((String)lm.get(0).get("address"));
                tables.get(0).getRows().get(5).getTableCells().get(1).setText((String)lm.get(0).get("workunit"));
                tables.get(0).getRows().get(6).getTableCells().get(1).setText((String)lm.get(0).get("number"));
                tables.get(0).getRows().get(7).getTableCells().get(1).setText((String)lm.get(0).get("startdate"));
                tables.get(0).getRows().get(7).getTableCells().get(3).setText((String)lm.get(0).get("enddate"));
                tables.get(0).getRows().get(8).getTableCells().get(1).setText((String)lm.get(0).get("rent"));
                tables.get(0).getRows().get(8).getTableCells().get(3).setText((String)lm.get(0).get("waterrent"));
                tables.get(0).getRows().get(9).getTableCells().get(1).setText((String)lm.get(0).get("electriccharge"));
                tables.get(0).getRows().get(10).getTableCells().get(1).setText((String)lm.get(0).get("otherfees"));
                tables.get(0).getRows().get(12).getTableCells().get(0).setText((String)lm.get(0).get("detailedlist"));
                tables.get(0).getRows().get(31).getTableCells().get(4).setText((String)lm.get(0).get("writetime"));
                tables.get(0).getRows().get(31).getTableCells().get(1).setText((String)lm.get(0).get("title"));
                tables.get(0).getRows().get(31).getTableCells().get(4).setText((String)lm.get(0).get("eventtime"));
                doc.write(os);
                doc.close();
                is.close();
                os.close();
            }
            return success(AjaxResult.Type.SUCCESS, "导出成功！", null);
        } catch (Exception e) {
            e.printStackTrace();
            return error(AjaxResult.Type.ERROR,"导出失败",null);
        }
    }

doc文档读取

public static void getDoc(String path) throws Exception {
Map<String,Object> map = new HashMap<String, Object>();
Map<String,Object> map = new HashMap<String, Object>();
try{
FileInputStream in = new FileInputStream(path);//载入文档
POIFSFileSystem pfs = new POIFSFileSystem(in);
HWPFDocument hwpf = new HWPFDocument(pfs);
Range range = hwpf.getRange();//得到文档的读取范围
TableIterator it = new TableIterator(range);
while (it.hasNext()) {
Table tables = (Table) it.next();
// for (int i = 0; i < tables.numRows(); i++) {
// TableRow tr = tables.getRow(i);
// for (int j = 0; j < tr.numCells(); j++) {
// TableCell td = tr.getCell(j);
// for(int k=0;k<td.numParagraphs();k++){
// System.out.println("-"+i+"-"+j+"-"+k+"="+td.getParagraph(k).text());
// Paragraph para =td.getParagraph(k);
// String s = para.text();
// System.out.println(s);
// }
// }
// }
}
}catch(Exception e){
e.printStackTrace();
}
}

工具类，没有用到

package com.sxygsj.FileUpload;

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

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class WordUtil {

    /**
     * 替换段落里面的变量
     * @param doc 要替换的文档
     * @param params 参数
     */
    public static void replaceInPara(XWPFDocument doc, Map<String, Object> params) {
        for( XWPFParagraph para : doc.getParagraphs()){
            replaceInPara(para, params);
        }
    }

    /**
     * 替换段落里面的变量
     * @param para 要替换的段落
     * @param params 参数
     */
    public static void replaceInPara(XWPFParagraph para, Map<String, Object> params) {
        List<XWPFRun> runs;
        Matcher matcher;
        replaceText(para);//如果para拆分的不对，则用这个方法修改成正确的
        if (matcher(para.getParagraphText()).find()) {
            runs = para.getRuns();
            for (int i=0; i<runs.size(); i++) {
                XWPFRun run = runs.get(i);
                String runText = run.toString();
                matcher = matcher(runText);
                if (matcher.find()) {
                    while ((matcher = matcher(runText)).find()) {
                        runText = matcher.replaceFirst(String.valueOf(params.get(matcher.group(1))));
                    }
                    //直接调用XWPFRun的setText()方法设置文本时，在底层会重新创建一个XWPFRun，把文本附加在当前文本后面，
                    //所以我们不能直接设值，需要先删除当前run,然后再自己手动插入一个新的run。
                    para.removeRun(i);
                    para.insertNewRun(i).setText(runText);
                }
            }
        }
    }

    /**
     * 合并runs中的内容
     * @param
     * @return
     */
    public static List<XWPFRun> replaceText(XWPFParagraph para){
        List<XWPFRun> runs = para.getRuns();
        String str = "";
        boolean flag = false;
        for (int i=0; i<runs.size(); i++) {
            XWPFRun run = runs.get(i);
            String runText = run.toString();
            if( flag || runText.equals("${") ){

                str = str + runText;
                flag = true;
                para.removeRun(i);
                if( runText.equals("}") ){
                    flag = false;
                    para.insertNewRun(i).setText(str);
                    str = "";
                }
                i--;
            }

        }

        return runs;
    }
    /**
     * 替换表格里面的变量
     * @param doc 要替换的文档
     * @param params 参数
     */
    public static void replaceInTable(XWPFDocument doc, Map<String, Object> params) {
        Iterator<XWPFTable> iterator = doc.getTablesIterator();
        XWPFTable table;
        List<XWPFTableRow> rows;
        List<XWPFTableCell> cells;
        List<XWPFParagraph> paras;
        while (iterator.hasNext()) {
            table = iterator.next();
            rows = table.getRows();
            for (XWPFTableRow row : rows) {
                cells = row.getTableCells();
                for (XWPFTableCell cell : cells) {
                    paras = cell.getParagraphs();
                    for (XWPFParagraph para : paras) {
                        replaceInPara(para, params);
                    }
                }
            }
        }
    }

    /**
     * 正则匹配字符串
     * @param str
     * @return
     */
    public static Matcher matcher(String str) {
        Pattern pattern = Pattern.compile("\\$\\{(.+?)\\}", Pattern.CASE_INSENSITIVE);
        Matcher matcher = pattern.matcher(str);
        return matcher;
    }

    /**
     * 关闭输入流
     * @param is
     */
    public static void close(InputStream is) {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * 关闭输出流
     * @param os
     */
    public static void close(OutputStream os) {
        if (os != null) {
            try {
                os.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

}