利用poi读取word模板文件生成新的word文档
利用poi读取word模板文件，并回填逻辑数据，生成并导出需要的word文档源码。解决模板读取异常问题，提供wordUtils工具类(各种功能实现) 第一步： 项目结构见下图： 第二步： 前端界面见下
第三步： 模板样式
第四步： 输出结果
核心代码如下：
package com.word.poi.demo.controller;
import com.word.poi.demo.service.WordService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletResponse;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
@RestController
@RequestMapping("/word")
@CrossOrigin(origins = "*", maxAge = 3600)
@Api(tags = "word文档处理")
public class WordController {
@Autowired
private WordService wordService;
@RequestMapping(value = "/exportWord",method = RequestMethod.GET)
@ApiOperation(value = "生成并导出word文档", httpMethod = "GET", notes = "生成并导出word文档", produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
public void exportFDDBrief(
HttpServletResponse response
) throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd-HHmmss");
//获取统计时间段
String time = "10.09-10.19";
String wordName = "Word版-("+time+")"+sdf.format(new Date());
// 告诉浏览器用什么软件可以打开此文件
response.reset();// 清空输出流
response.setHeader("content-Type", "application/msword");
// 下载文件的默认名称
response.setHeader("Content-Disposition", "attachment;filename="
+new String(wordName.getBytes("GB2312"), "8859_1") + ".docx");
OutputStream out = response.getOutputStream();
//读取word模板
InputStream in = this.getClass().getResourceAsStream("/templates/wordTemplate.docx");
wordService.exportWord(in,out,"全球");
}
}
package com.word.poi.demo.util;
import mons.collections4.CollectionUtils;
import mons.lang3.StringUtils;
import org.apache.poi.xwpf.usermodel.*;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 通过word模板生成新的word工具类
*
*/
public class WorderToNewWordUtils {
/**
* 根据模板生成新word文档
* 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
* @param textMap 需要替换的信息集合
* @return 成功返回true,失败返回false
*/
public static XWPFDocument changWordForcommon(InputStream in,Map textMap) {
XWPFDocument document = null;
try {
//第一步：获取docx解析对象
document = new XWPFDocument(in);
//第二步：重构XWPFDocument中 不合格的 占位符 比如：${abcd}分开为${a，b..,cd}
refactorXWPFDocument(document);
//第三步：解析替换文本段落对象
changeText(document, textMap);
//第四步：解析替换表格对象
changeTableCity(document, textMap);
} catch (IOException e) {
e.printStackTrace();
}
return document;
}
/**
* 根据模板生成新word文档
* 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
* @param textMap 需要替换的信息集合
* @param extendTableMap 需要插入的表格信息集合
* @param colorMapForCell
* @return 成功返回true,失败返回false
*/
public static XWPFDocument changWordForComplex(
InputStream in,
Map textMap,
Map>> extendTableMap,
Map> colorMapForCell) {
XWPFDocument document = null;
try {
//第一步：获取docx解析对象
document = new XWPFDocument(in);
//第二步：重构XWPFDocument中 不合格的 占位符 比如：${abcd}分开为${a，b..,cd}
refactorXWPFDocument(document);
//第三步：解析替换文本段落对象
changeText(document, textMap);
//第四步：解析替换表格对象
changeTableProvince(document, textMap, extendTableMap);
//第五步：根据逻辑设置表格cell的背景颜色
setColorForCell(document,colorMapForCell);
} catch (IOException e) {
e.printStackTrace();
}
return document;
}
private static void setColorForCell(XWPFDocument document, Map> colorMapForCell) {
List tables = document.getTables();
for (int i = 0; i
List placeList = colorMapForCell.get("table" + i);//获取表格坐标list
if (CollectionUtils.isNotEmpty(placeList)){
for (String palce:placeList) {
String[] split = palce.split(",");
int x = Integer.parseInt(split[0]);
int y = Integer.parseInt(split[1]);
tables.get(i).getRow(x).getCell(y).setColor("FF0000");
}
}
}
}
/**
* 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(XWPFDocument document, Map textMap){
//获取段落集合
List paragraphs = document.getParagraphs();
for (XWPFParagraph paragraph : paragraphs) {
//判断此段落时候需要进行替换
String text = paragraph.getText();
//重构段落 不合格的 占位符 比如：${abcd}分开为${a，b..,cd}
// refactorParagraph(paragraph);
if(checkText(text)){
List runs = paragraph.getRuns();
for (XWPFRun run : runs) {
//替换模板原来位置
run.setText(changeValue(run.toString(), textMap),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
*/
public static void changeTableCity(XWPFDocument document, Map textMap
){
//获取表格对象集合
List tables = document.getTables();
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(table.getRows().size()>1){
//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(checkText(table.getText())){
List rows = table.getRows();
//遍历表格,并替换模板
eachTable(rows, textMap);
}
}
}
}
/**
* 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 extendTableMap 需要插入的表格信息集合
*/
public static void changeTableProvince(XWPFDocument document, Map textMap,
Map>> extendTableMap){
//获取表格对象集合
List tables = document.getTables();
int tableNo = 0;
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(table.getRows().size()>1){
//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(checkText(table.getText())){
List rows = table.getRows();
//遍历表格,并替换模板
eachTable(rows, textMap);
tableNo++;
}else{
List> tableList = extendTableMap.get("table" + tableNo);
insertTable(table, tableList);
tableNo++;
}
}
}
}
/**
* 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(List rows ,Map textMap){
for (XWPFTableRow row : rows) {
List cells = row.getTableCells();
for (XWPFTableCell cell : cells) {
//判断单元格是否需要替换
if(checkText(cell.getText())){
List paragraphs = cell.getParagraphs();
for (XWPFParagraph paragraph : paragraphs) {
List runs = paragraph.getRuns();
for (XWPFRun run : runs) {
run.setText(changeValue(run.toString(), textMap),0);
}
}
}
}
}
}
/**
* 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
*/
public static void insertTable(XWPFTable table, List> 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 = 1; i < tableList.size(); i++){
//XWPFTableRow row =table.createRow();
}
//遍历表格插入数据
List rows = table.getRows();
for(int i = 1; i < rows.size(); i++){
XWPFTableRow newRow = table.getRow(i);
List cells = newRow.getTableCells();
for(int j = 0; j < cells.size(); j++){
XWPFTableCell cell = cells.get(j);
// cell.setText(tableList.get(i-1).get(j));
XWPFParagraph xwpfParagraph = cell.getParagraphs().get(0);//获取cell中的第一个段落第一个ruan并设置字体样式和内容
XWPFRun run = xwpfParagraph.createRun();
run.setFontSize(9);
run.setFontFamily("宋体");
run.setText(tableList.get(i-1).get(j));
}
}
}
/**
* 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(null != text && text.indexOf("$")!= -1){
check = true;
}
return check;
}
/**
* 匹配传入信息集合与模板
* @param value 模板需要替换的区域
* @param textMap 传入信息集合
* @return 模板需要替换区域信息集合对应值
*/
public static String changeValue(String value, Map textMap){
Set> textSets = textMap.entrySet();
for (Entry textSet : textSets) {
//匹配模板与替换值 格式{{key}}
String key = "${"+textSet.getKey()+"}";
if(null != value && value.indexOf(key)!= -1){
String s = textSet.getValue();
value = s;
}
}
//模板未匹配到区域替换为空
if(checkText(value)){
value = "NULL";
}
return value;
}
public static void refactorXWPFDocument(XWPFDocument doc) {
try {
buildParagraph(doc);
buildTable(doc);
/*List paragraphs = doc.getParagraphs();
for (XWPFParagraph paragraph : paragraphs){
List runs = paragraph.getRuns();
for (XWPFRun run : runs){
System.out.println(run.toString());
}
}*/
} catch (Exception e) {
e.printStackTrace();
}
//return doc;
}
public static void refactorParagraph(XWPFParagraph paragraph) {
int start = -1;
int end = -1;
List runs = paragraph.getRuns();
for (int i = 0; i < runs.size() ; i++) {
String runText = runs.get(i).toString();
if ('$' == runText.charAt(0)&&'}' == runText.charAt(runText.length() - 1)){
continue;
}
if ('$' == runText.charAt(0)){
start = i;
}
if ('}' == runText.charAt(runText.length() - 1)){
end = i;
break;
}
}
if (start != -1){
mergeRun(paragraph,start,end);
refactorParagraph(paragraph);
}
}
/* public static void main(String[] args) {
String runText ="";
char c = runText.charAt(0);
System.out.println(c);
}*/
public static void mergeRun(XWPFParagraph paragraph, int start, int end) {
int removeCount = end-start;//删除次数
int removeIndex = start+1;//删除开始位置
List runs = paragraph.getRuns();
for (int i = 0; i
System.out.println(runs.get(i).toString());
}
StringBuilder sb = new StringBuilder();
sb.append(runs.get(start).toString());
for (int i = 0; i < removeCount; i++){
sb.append(runs.get(removeIndex).toString());
paragraph.removeRun(removeIndex);
}
runs.get(start).setText(sb.toString(),0);
}
public static Matcher matcher(String str) {
Pattern pattern = pile("\\$\\{(.+?)\\}", Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(str);
return matcher;
}
public static void buildParagraph(XWPFDocument document){
for (XWPFParagraph paragraph : document.getParagraphs()) {
if (matcher(paragraph.getText()).find()) {
removeEmptyRun(paragraph);
refactorParagraph(paragraph);
}
}
}
public static void buildTable(XWPFDocument document){
List tables = document.getTables();
for (XWPFTable xwpfTable : tables) {
List rows = xwpfTable.getRows();
for (XWPFTableRow row :rows){
List tableCells = row.getTableCells();
for (XWPFTableCell tableCell : tableCells){
List paragraphs = tableCell.getParagraphs();
for (XWPFParagraph paragraph : paragraphs){
if (matcher(paragraph.getText()).find()) {
removeEmptyRun(paragraph);
refactorParagraph(paragraph);
}
}
}
}
}
}
private static void removeEmptyRun(XWPFParagraph paragraph) {
List runsq = paragraph.getRuns();
for (int i = 0; i
String runText = runsq.get(i).toString();
if (StringUtils.isEmpty(runText)){
paragraph.removeRun(i);
break;
}
}
for (int i = 0; i
String runText = runsq.get(i).toString();
if (StringUtils.isEmpty(runText)){
removeEmptyRun(paragraph);
break;
}
}
}
}
具体源码详见：/download/qq_36244155/10805107 源码下载后，用idea打开，maven加载依赖即可运行。 也可以打包成demo-0.0.1-SNAPSHOT.jar后， 用命令 java -jar demo-0.0.1-SNAPSHOT.jar 运行。 访问地址：http://localhost:8080/# swagger访问地址：http://localhost:8080/swagger-ui.html
