springMVC导出word模板

时间:2021-07-14 05:57:16
  • controller 调用
@RequestMapping(value = "/exportWord")
public void exportWord(HttpServletResponse response, HttpServletRequest request) throws IOException {
String templatePath = request.getServletContext().getRealPath("") + "/template/税源信息比对.docx";
String fileName = new String("税源信息比对".getBytes("gb2312"), "ISO8859-1") + ".docx";
/*数据*/
Map<String, Object> params = new HashMap<String, Object>();
params.put("${name}", "aaaa");
params.put("${sex}", "bbbb"); TempleWordUtil wordUtil = new TempleWordUtil(); XWPFDocument doc;
InputStream is = new FileInputStream(templatePath);
// is = getClass().getClassLoader().getResourceAsStream(templatePath);
doc = new XWPFDocument(is); //只能使用.docx的 wordUtil.replaceInPara(doc, params);
//替换表格里面的变量
wordUtil.replaceInTable(doc, params);
OutputStream os = response.getOutputStream(); response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-disposition", "attachment;filename=" + fileName); doc.write(os); wordUtil.close(os);
wordUtil.close(is); os.flush();
os.close(); }
  • TempleWordUtil 工具类
import org.apache.poi.xwpf.usermodel.*;  

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; /**
* 写入word工具类
* @author z
*
*/
public class TempleWordUtil { /**
* 替换段落里面的变量
*
* @param doc 要替换的文档
* @param params 参数,导入的数据
*/
public 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);
}
} /**
* 替换段落里面的变量
*
* @param para 要替换的段落
* @param params 参数
*/
public void replaceInPara(XWPFParagraph para, Map<String, Object> params) {
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 ('$' == runText.charAt(0)&&'{' == runText.charAt(1)) {
start = i;
}
if ((start != -1)) {
str += runText;
}
if ('}' == runText.charAt(runText.length() - 1)) {
if (start != -1) {
end = i;
break;
}
}
} for (int i = start; i <= end; i++) {
para.removeRun(i);
i--;
end--;
} for (String key : params.keySet()) {
if (str.equals(key)) {
para.createRun().setText((String) params.get(key));
break;
}
} }
} /**
* 替换表格里面的变量
*
* @param doc 要替换的文档
* @param params 参数
*/
public void replaceInTable(XWPFDocument doc, Map<String, Object> params) {
Iterator<XWPFTable> iterator = doc.getTablesIterator();
XWPFTable table;
List<XWPFTableRow> rows;
List<XWPFTableCell> cells;
List<XWPFParagraph> paras;
while (iterator.hasNext()) {
table = iterator.next();
rows = table.getRows();
for (XWPFTableRow row : rows) {
cells = row.getTableCells();
for (XWPFTableCell cell : cells) {
paras = cell.getParagraphs();
for (XWPFParagraph para : paras) {
this.replaceInPara(para, params);
}
}
}
}
} /**
* 正则匹配字符串
*
* @param str
* @return
*/
private Matcher matcher(String str) {
Pattern pattern = Pattern.compile("\\$\\{(.+?)\\}", Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(str);
return matcher;
} /**
* 关闭输入流
*
* @param is
*/
public void close(InputStream is) {
if (is != null) {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
} /**
* 关闭输出流
*
* @param os
*/
public void close(OutputStream os) {
if (os != null) {
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
} }