1,导入poi相关依赖
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-scratchpad</artifactId>
<version>4.0.1</version>
</dependency>
2,直接附工具类,注解很详细
package com.hl.bluetooth.util;import org.apache.commons.lang3.StringUtils;
import org.apache.poi.xwpf.model.XWPFHeaderFooterPolicy;
import org.apache.poi.xwpf.usermodel.*;
import org.apache.xmlbeans.impl.xb.xmlschema.SpaceAttribute;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.*;import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;/**
* @author hwx
* @date 2021-9-22 11:31:09
*/
public class WordUtils {
/**
* 根据模板生成word
*
* @param path 模板的路径
* @param params 需要替换的参数 (静态替换 格式 params.put("${releaeTime}", releaeTime);)
* @param tableList 需要插入的参数 (动态替换)
* @param fileName 生成word文件的文件名
* @param response
*/
public void getWord(String path, Map<String, Object> params, List<String[]> tableList, String fileName, HttpServletResponse response) throws Exception {
File file = new File(path);
InputStream is = new FileInputStream(file);
XWPFDocument doc = new XWPFDocument(is);
this.createHeader(doc, (String) params.get("${id}")); //设置页眉
this.replaceInPara(doc, params); //替换文本里面的变量
this.replaceInTable(doc, params, tableList); //替换表格里面的变量
List<XWPFTable> tables = doc.getTables();
XWPFTable xwpfTable = tables.get(4);
insertTable(xwpfTable, tableList); //插入数据 OutputStream os = response.getOutputStream();
response.setHeader("Content-disposition", "attachment; filename=" + fileName);
doc.write(os);
this.close(os);
this.close(is); } /**
* description: 添加不带图片的页眉
* create by: hwx
* create time: 2021-10-8 15:01:16
*/
public void createHeader(XWPFDocument docx, String orgFullName) throws Exception { CTP ctp = CTP.Factory.newInstance();
XWPFParagraph paragraph = new XWPFParagraph(ctp, docx);//段落对象
// ctp.addNewR().addNewT().setStringValue("山东电力研究院检测报告 报告编号："+orgFullName);//设置页眉参数
if (StringUtils.isNotEmpty(orgFullName)) {
XWPFRun run = paragraph.createRun();
run.setText(" 山东电力研究院检测报告 报告编号：" + orgFullName);
setXWPFRunStyle(run, "黑体", 11);
} ctp.addNewR().addNewT().setSpace(SpaceAttribute.Space.PRESERVE);
CTSectPr sectPr = docx.getDocument().getBody().isSetSectPr() ? docx.getDocument().getBody().getSectPr() : docx.getDocument().getBody().addNewSectPr();
XWPFHeaderFooterPolicy policy = new XWPFHeaderFooterPolicy(docx, sectPr);
XWPFHeader header = policy.createHeader(STHdrFtr.DEFAULT, new XWPFParagraph[]{paragraph});
header.setXWPFDocument(docx); } /**
* 设置页脚的字体样式
*
* @param r1 段落元素
*/
private void setXWPFRunStyle(XWPFRun r1, String font, int fontSize) {
r1.setFontSize(fontSize);
CTRPr rpr = r1.getCTR().isSetRPr() ? r1.getCTR().getRPr() : r1.getCTR().addNewRPr();
CTFonts fonts = rpr.isSetRFonts() ? rpr.getRFonts() : rpr.addNewRFonts();
fonts.setAscii(font);
fonts.setEastAsia(font);
fonts.setHAnsi(font);
} /**
* 替换段落里面的变量
*
* @param doc 要替换的文档
* @param params 参数
*/
private void replaceInPara(XWPFDocument doc, Map<String, Object> params) {
Iterator<XWPFParagraph> iterator = doc.getParagraphsIterator();
XWPFParagraph para;
while (iterator.hasNext()) {
para = iterator.next();
this.replaceInPara(para, params, doc);
}
} /**
* 替换段落里面的变量
*
* @param para 要替换的段落
* @param params 参数
*/
private void replaceInPara(XWPFParagraph para, Map<String, Object> params, XWPFDocument doc) {
List<XWPFRun> runs;
Matcher matcher;
if (this.matcher(para.getParagraphText()).find()) {
runs = para.getRuns();
int start = -1;
int end = -1;
String str = "";
for (int i = 0; i < runs.size(); i++) {
XWPFRun run = runs.get(i);
String runText = run.toString();
if ('$' == runText.charAt(0) && '{' == runText.charAt(1)) {
start = i;
}
if ((start != -1)) {
str += runText;
}
if ('}' == runText.charAt(runText.length() - 1)) {
if (start != -1) {
end = i;
break;
}
}
} for (int i = start; i <= end; i++) {
para.removeRun(i);
i--;
end--;
} for (Map.Entry<String, Object> entry : params.entrySet()) {
String key = entry.getKey();
if (str.indexOf(key) != -1) {
Object value = entry.getValue();
if (value instanceof String) {
str = str.replace(key, value.toString());
para.createRun().setText(str, 0);
break;
} else if (value instanceof Map) {
str = str.replace(key, "");
Map pic = (Map) value;
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 {
//int ind = doc.addPicture(byteInputStream,picType);
//doc.createPicture(ind, width , height,para);
doc.addPictureData(byteInputStream, picType);
// doc.createPicture(doc.getAllPictures().size() - 1, width, height, para);
para.createRun().setText(str, 0);
break;
} 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 插入数据集合
*/
private static void insertTable(XWPFTable table, List<String[]> tableList) {
//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 < tableList.size(); i++) {
XWPFTableRow row = table.createRow();
}
//遍历表格插入数据
List<XWPFTableRow> rows = table.getRows();
int length = table.getRows().size();
for (int i = 1; i < length - 1; i++) {
XWPFTableRow newRow = table.getRow(i);
List<XWPFTableCell> cells = newRow.getTableCells();
for (int j = 0; j < cells.size(); j++) {
XWPFTableCell cell = cells.get(j);
String s = tableList.get(i - 1)[j];
cell.setText(s);
}
}*/ //创建行和创建需要的列
for (int i = 1; i < tableList.size(); i++) {
//添加一个新行
XWPFTableRow row = table.insertNewTableRow(1);
for (int k = 0; k < tableList.get(0).length; k++) {
row.createCell();//根据String数组第一条数据的长度动态创建列
}
} //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 < tableList.size(); i++) {
List<XWPFTableCell> cells = table.getRow(i + 1).getTableCells();
for (int j = 0; j < cells.size(); j++) {
XWPFTableCell cell02 = cells.get(j);
cell02.setText(tableList.get(i)[j]);
}
} } /**
* 替换表格里面的变量
*
* @param doc 要替换的文档
* @param params 参数
*/
private void replaceInTable(XWPFDocument doc, Map<String, Object> params, List<String[]> tableList) {
Iterator<XWPFTable> iterator = doc.getTablesIterator();
XWPFTable table;
List<XWPFTableRow> rows;
List<XWPFTableCell> cells;
List<XWPFParagraph> paras;
while (iterator.hasNext()) {
table = iterator.next();
if (table.getRows().size() > 0) {
//判断表格是需要替换还是需要插入，判断逻辑有$为替换，表格无$为插入
if (this.matcher(table.getText()).find()) {
rows = table.getRows();
for (XWPFTableRow row : rows) {
cells = row.getTableCells();
for (XWPFTableCell cell : cells) {
paras = cell.getParagraphs();
for (XWPFParagraph para : paras) {
this.replaceInPara(para, params, doc);
}
}
}
} else {
insertTable(table, tableList); //插入数据
}
} }
} /**
* 正则匹配字符串
*
* @param str
* @return
*/
private Matcher matcher(String str) {
Pattern pattern = Pattern.compile("\\$\\{(.+?)\\}", Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(str);
return matcher;
} /**
* 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 = XWPFDocument.PICTURE_TYPE_PICT;
if (picType != null) {
if (picType.equalsIgnoreCase("png")) {
res = XWPFDocument.PICTURE_TYPE_PNG;
} else if (picType.equalsIgnoreCase("dib")) {
res = XWPFDocument.PICTURE_TYPE_DIB;
} else if (picType.equalsIgnoreCase("emf")) {
res = XWPFDocument.PICTURE_TYPE_EMF;
} else if (picType.equalsIgnoreCase("jpg") || picType.equalsIgnoreCase("jpeg")) {
res = XWPFDocument.PICTURE_TYPE_JPEG;
} else if (picType.equalsIgnoreCase("wmf")) {
res = XWPFDocument.PICTURE_TYPE_WMF;
}
}
return res;
} /**
* 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) {
e2.getStackTrace();
}
}
}
return byteArray;
} /**
* 关闭输入流
*
* @param is
*/
private void close(InputStream is) {
if (is != null) {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
} /**
* 关闭输出流
*
* @param os
*/
private void close(OutputStream os) {
if (os != null) {
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}}
3,对应的模板
