public class XwpfTest {
/**
* 用一个docx文档作为模板，然后替换其中的内容，再写入目标文档中。
* @throws Exception
*/
@Test
public void testTemplateWrite() throws Exception {
Map<String, Object> params = new HashMap<String, Object>();
params.put("reportDate", "2014-02-28");
params.put("appleAmt", "100.00");
params.put("bananaAmt", "200.00");
params.put("totalAmt", "300.00");
String filePath = "D:\\word\\template.docx";
InputStream is = new FileInputStream(filePath);
XWPFDocument doc = new XWPFDocument(is);
//替换段落里面的变量
this.replaceInPara(doc, params);
//替换表格里面的变量
this.replaceInTable(doc, params);
OutputStream os = new FileOutputStream("D:\\word\\write.docx");
doc.write(os);
this.close(os);
this.close(is);
}
/**
* 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);
}
}
/**
* 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) {
List<XWPFRun> runs;
Matcher matcher;
String runText="";
if (this.matcher(para.getParagraphText()).find()) {
runs = para.getRuns();
if (runs.size()>0){
int j = runs.size();
for (int i = 0;i<j;i++){
XWPFRun run = runs.get(0);
String i1 = run.toString;
runText+=i1;
para.removeRun(0);
}
}
matcher = this.matcher(runText);
if (matcher.find()) {
while ((matcher = this.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.insertNewRun(0).setText(runText);
}
}
}
}
/**
* 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) {
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
*/
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();
}
}
}
}