POI往word模板中写入数据

港控/mmm° 2022-05-29 13:06 493阅读 0赞

## **POI的XWPFDocument和XWPFTemplate两种方法往word模板中填充数据** ##

import java.io.ByteArrayOutputStream;
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.OutputStream;
    import java.util.HashMap;
    import java.util.Iterator;
    import java.util.List;
    import java.util.Map;
    import java.util.Map.Entry;
    import java.util.regex.Matcher;
    import java.util.regex.Pattern;
    
    import org.apache.poi.POIXMLProperties.CoreProperties;
    import org.apache.poi.hwpf.HWPFDocument;
    import org.apache.poi.hwpf.usermodel.Range;
    import org.apache.poi.xwpf.extractor.XWPFWordExtractor;
    import org.apache.poi.xwpf.usermodel.XWPFDocument;
    import org.apache.poi.xwpf.usermodel.XWPFParagraph;
    import org.apache.poi.xwpf.usermodel.XWPFRun;
    import org.apache.poi.xwpf.usermodel.XWPFTable;
    import org.apache.poi.xwpf.usermodel.XWPFTableCell;
    import org.apache.poi.xwpf.usermodel.XWPFTableRow;
    
    import com.deepoove.poi.XWPFTemplate;
    import com.deepoove.poi.data.PictureRenderData;
    /**
     * @author Admin
     *
     */
    public class WriteWordUtil {
    
    	public void writeDocx(String path, Map<String, String> map) throws Exception {
    		InputStream is = new FileInputStream(path);
    		XWPFDocument doc = new XWPFDocument(is);
    		// XWPFWordExtractor extractor = new XWPFWordExtractor(doc) ;
    		// String text = extractor.getText();
    		// System.out.println(text);
    		// CoreProperties coreProps = extractor.getCoreProperties();
    		// this.printCoreProperties(coreProps);
    		// 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;
    		if (this.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 = 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.removeRun(i);
    					if(runText.equals("null")){
    						runText="";
    					}
    					para.insertNewRun(i).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) {
    					
    					String cellTextString = cell.getText();
                        for (Entry<String, Object> e : params.entrySet()) {
                            if (cellTextString.contains("${"+e.getKey()+"}"))
                                cellTextString = cellTextString.replace("${"+e.getKey()+"}", e.getValue().toString());
                        }
                        cell.removeParagraph(0);
                        if(cellTextString.contains("${") && cellTextString.contains("}")){
                        	cellTextString = "";
                        }
                        cell.setText(cellTextString);
    //                    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();
    			}
    		}
    	}
    
    	/**
    	 * 输出CoreProperties信息
    	 * 
    	 * @param coreProps
    	 */
    	private void printCoreProperties(CoreProperties coreProps) {
    		System.out.println(coreProps.getCategory()); // 分类
    		System.out.println(coreProps.getCreator()); // 创建者
    		System.out.println(coreProps.getCreated()); // 创建时间
    		System.out.println(coreProps.getTitle()); // 标题
    	}
    	
    	/**
    	 * word占位用${object}有缺陷不能填充图片
    	 * @param filePath
    	 * @param params
    	 * @throws Exception
    	 */
    	public static String templateWrite(String filePath, Map<String, Object> params,String outFilePath)throws Exception{
    		InputStream is = new FileInputStream(filePath);
    		WriteWordUtil writeWordUtil = new WriteWordUtil();
    		XWPFDocument doc = new XWPFDocument(is);
    		// 替换段落里面的变量
    		writeWordUtil.replaceInPara(doc, params);
    		// 替换表格里面的变量
    		writeWordUtil.replaceInTable(doc, params);
    		OutputStream os = new FileOutputStream(outFilePath);
    		doc.write(os);
    		writeWordUtil.close(os);
    		writeWordUtil.close(is);
    		os.flush();
    		os.close();
    		return "";
    	}
    	/**
    	 * word占位用{
       {object}}比较完美可以填充图片
    	 * @param filePath
    	 * @param params
    	 * @param outFilePath
    	 * @return
    	 * @throws Exception
    	 */
    	public static String templateWrite2(String filePath, Map<String, Object> params,String outFilePath)throws Exception{
    		XWPFTemplate template = XWPFTemplate.compile(filePath).render(params);
     		FileOutputStream out = new FileOutputStream(outFilePath);
     		template.write(out);
     		out.flush();
     		out.close();
     		template.close();
    		return "";
    	}
          public static void main(String[] args) throws Exception {
    		Map<String, Object> params = new HashMap<String, Object>();
    		params.put("JSDWMC", "项目1\r\na");//  
    		params.put("XMMC", "项目2\r\nb");//  
    		params.put("1", "1");//
    		params.put("2", "2");//
    		params.put("object1", "o1");//  
    		params.put("object2", "o2");//
                    params.put("localPicture", new PictureRenderData(120, 120, "D:\\A.png"));
    		templateWrite("D:\\template\\1.docx", params, "D:\\template\\5.docx");
    		templateWrite2("D:\\2.docx", params, "D:\\template\\7.docx");
    
    	}
    }		Map<String, Object> params = new HashMap<String, Object>();
    		params.put("JSDWMC", "项目1\r\na");//  
    		params.put("XMMC", "项目2\r\nb");//  
    		params.put("1", "1");//
    		params.put("2", "2");//
    		params.put("object1", "o1");//  
    		params.put("object2", "o2");//
                    params.put("localPicture", new PictureRenderData(120, 120, "D:\\A.png"));
    		templateWrite("D:\\template\\1.docx", params, "D:\\template\\5.docx");
    		templateWrite2("D:\\2.docx", params, "D:\\template\\7.docx");
    
    	}
    }

用到的jar包

poi-3.17.jar

poi-examples-3.17.jar

poi-excelant-3.17.jar

poi-ooxml-3.17.jar

poi-ooxml-schemas-3.17.jar

poi-scratchpad-3.17.jar

poi-tl.jar

jar下载：[下载地址][Link 1]

很多提问 为此 改成了 maven 的一个demo 并且使用了相对流行的技术去实现

[https://gitee.com/chen497147884/word-poi-template/][https_gitee.com_chen497147884_word-poi-template]

[Link 1]: https://download.csdn.net/download/chen497147884/10306246
[https_gitee.com_chen497147884_word-poi-template]: https://gitee.com/chen497147884/word-poi-template/blob/master/README.md