Java填充Word模板_java word模板填充数据
文章目录
- 前言
- 一、设置word模板
-
- 普通字段
- 列表字段
- 复选框
- 二、代码
-
- 1. 引入POM
- 2. 模板放入项目
- 3.代码
-
- 实体类
- 工具类
- 三、测试
- 四、运行结果
- 五、注意事项
前言
最近有个Java填充Word模板的需求,包括文本,列表和复选框勾选,写一个工具类,以此记录。
提示:以下是本篇文章正文内容,下面案例可供参考
一、设置word模板
选择文档中要填充的地方点击->选择插入->文档部件->域->域名(mergeFeild)->填写变量名称.
普通字段
填充完毕:
列表字段
操作和普通字段一样,区别是需要在首行第一列插入列表开始域,首行最后一列插入结束域,中间正常字段。格式为:StartTable:,EndTable:
复选框
复选框找了好多种方法尝试没有成功,最后取巧,和普通字段一样设置占位符,通过代码逻辑处理.
二、代码
1. 引入POM
poi/hutool/aspose-words/gson:
<!-- hutool工具类 --><dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-all</artifactId> <version>5.7.14</version> </dependency><!--word模板数据解析--><dependency> <groupId>com.deepoove</groupId> <artifactId>poi-tl</artifactId> <version>1.9.0-beta</version> </dependency><!-- word/pdf操作 --><dependency> <groupId>com.aspose</groupId> <artifactId>aspose-words</artifactId> <version>18.8</version> </dependency> <dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> <version>2.8.9</version> </dependency>
2. 模板放入项目
这里是放在项目里,也可以放在云上存储。
破解文件放入resouce,否则会有水印,aspose-words在maven仓库中也没有,需要下载后安装在本地仓库。
安装命令
mvn install:install-file -Dfile=路径/aspose-words-18.8.jar -DgroupId=com.aspose -DartifactId=aspose-words -Dversion=18.8 -Dpackaging=jar
引入破解文件
<License> <Data> <Products> <Product>Aspose.Total for Java</Product> <Product>Aspose.Words for Java</Product> </Products> <EditionType>Enterprise</EditionType> <SubscriptionExpiry>20991231</SubscriptionExpiry> <LicenseExpiry>20991231</LicenseExpiry> <SerialNumber>8bfe198c-7f0c-4ef8-8ff0-acc3237bf0d7</SerialNumber> </Data> <Signature>sNLLKGMUdF0r8O1kKilWAGdgfs2BvJb/2Xp8p5iuDVfZXmhppo+d0Ran1P9TKdjV4ABwAgKXxJ3jcQTqE/2IRfqwnPf8itN8aFZlV3TJPYeD3yWE7IT55Gz6EijUpC7aKeoohTb4w2fpox58wWoF3SNp6sK6jDfiAUGEHYJ9pjU=</Signature></License>
jar包和license下载地址
3.代码
实体类
import lombok.AllArgsConstructor;import lombok.Data;import lombok.NoArgsConstructor;import java.io.Serializable;import java.util.Arrays;import java.util.List;@Data@AllArgsConstructor@NoArgsConstructorpublic class FillWordDTO implements Serializable { private String name; private String age; private String yuyan; private String yingyu; private String deyu; private String fayu; private String zhengshu; private String yiji; private String erji; private List<ExperienceList> experienceList; public static FillWordDTO create(){ FillWordDTO fillWordDTO = new FillWordDTO(); fillWordDTO.setName(\"小王\"); fillWordDTO.setAge(\"18\"); fillWordDTO.setYuyan(\"☑\"); fillWordDTO.setYingyu(\"☑\"); fillWordDTO.setDeyu(\"□\"); fillWordDTO.setFayu(\"☑\"); fillWordDTO.setZhengshu(\"☑\"); fillWordDTO.setYiji(\"☑\"); fillWordDTO.setErji(\"□\"); fillWordDTO.setExperienceList(Arrays.asList( new ExperienceList(\"小王\", \"2020-01-01\", \"2020-01-01\", \"小王\"), new ExperienceList(\"小王\", \"2020-01-01\", \"2020-01-01\", \"小王\") )); return fillWordDTO; }}@Data@AllArgsConstructor@NoArgsConstructorclass ExperienceList { private String school; private String startTime; private String endTime; private String remark;}
工具类
import com.aspose.words.*;import com.aspose.words.net.System.Data.DataRow;import com.aspose.words.net.System.Data.DataTable;import java.awt.*;import java.awt.geom.AffineTransform;import java.awt.image.BufferedImage;import java.awt.image.ColorModel;import java.awt.image.WritableRaster;import java.beans.PropertyDescriptor;import java.io.*;import java.lang.reflect.Field;import java.lang.reflect.Method;import java.util.HashMap;import java.util.List;import java.util.Map;public class ContractUtil {private ContractUtil() {}/** * 调整bufferedimage大小 * @param source BufferedImage 原始image * @param targetW int 目标宽 * @param targetH int 目标高 * @param flag boolean 是否同比例调整 * @return BufferedImage 返回新image */public static BufferedImage resizeBufferedImage(BufferedImage source, int targetW, int targetH, boolean flag) {int type = source.getType();BufferedImage target = null;double sx = (double) targetW / source.getWidth();double sy = (double) targetH / source.getHeight();if (flag && sx > sy) {sx = sy;targetW = (int) (sx * source.getWidth());} else if(flag && sx <= sy){sy = sx;targetH = (int) (sy * source.getHeight());}if (type == BufferedImage.TYPE_CUSTOM) { // handmadeColorModel cm = source.getColorModel();WritableRaster raster = cm.createCompatibleWritableRaster(targetW, targetH);boolean alphaPremultiplied = cm.isAlphaPremultiplied();target = new BufferedImage(cm, raster, alphaPremultiplied, null);} else {target = new BufferedImage(targetW, targetH, type);}Graphics2D g = target.createGraphics();g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);g.drawRenderedImage(source, AffineTransform.getScaleInstance(sx, sy));g.dispose();return target;}/** * 填充 word 模板(object数据格式) * * @param modelWordByte word模版二进制文件 * @param obj 要填充的数据 * @return 组合数据之后的word二进制 */public static byte[] fillWordDataByDomain(byte[] modelWordByte, Object obj) {try {Class<?> aClass = obj.getClass();Field[] fields = aClass.getDeclaredFields();Map<String, Object> data = new HashMap<>(fields.length);for (Field field : fields) {PropertyDescriptor pd = new PropertyDescriptor(field.getName(), aClass);Method method = pd.getReadMethod();String key = field.getName();Object value = method.invoke(obj);if (value != null) {data.put(key, value);}}return fillWordDataByMap(modelWordByte, data);} catch (Exception e) {e.printStackTrace();return new byte[0];}}/** * 填充 word 模板(map数据格式) * * @param file word二进制 * @param data 要填充的数据 * @return 组合数据之后的word二进制 */public static byte[] fillWordDataByMap(byte[] file, Map<String, Object> data) throws Exception {byte[] ret = null;if (data == null || data.isEmpty()) {return ret;}try (InputStream is = new ByteArrayInputStream(file); ByteArrayOutputStream out = new ByteArrayOutputStream()) {Document doc = new Document(is);DocumentBuilder builder = new DocumentBuilder(doc);Map<String, String> toData = new HashMap<>();for (Map.Entry<String, Object> entry : data.entrySet()) {String key = entry.getKey();Object value = entry.getValue();// 处理表格数据if (value instanceof List && !key.equals(\"checkboxOptions\")) {DataTable dataTable = fillListData((List) value, key, builder);doc.getMailMerge().executeWithRegions(dataTable);}// 图片插入else if (value instanceof BufferedImage) {builder.moveToMergeField(key);builder.insertImage((BufferedImage) value);}// 其他普通字段正常填充else {String valueStr = String.valueOf(value);if (value != null && !\"null\".equals(valueStr)) {toData.put(key, valueStr);}}}// 执行普通字段合并String[] fieldNames = new String[toData.size()];String[] values = new String[toData.size()];int i = 0;for (Map.Entry<String, String> entry : toData.entrySet()) {fieldNames[i] = entry.getKey();values[i] = entry.getValue();i++;}doc.getMailMerge().execute(fieldNames, values);doc.save(out, SaveOptions.createSaveOptions(SaveFormat.DOCX));ret = out.toByteArray();}return ret;}/** * 勾选段落中的复选框字段(适用于 Aspose.Words 18.8) */private static void checkTheCheckbox(Paragraph paragraph) throws Exception {FieldCollection fields = paragraph.getRange().getFields();int count = fields.getCount();for (int i = 0; i < count; i++) {com.aspose.words.Field field = fields.get(i);if (field.getType() == FieldType.FIELD_FORM_CHECK_BOX) {// 设置字段结果为 \"✓\" 表示勾选(或根据模板实际显示字符调整)setCheckboxChecked(field, true);}}}private static void setCheckboxChecked(com.aspose.words.Field field, boolean checked) throws Exception {if (checked) {field.setResult(\"✓\"); // 根据模板中实际勾选状态设置} else {field.setResult(\"□\"); // 可选:取消勾选}}/** * 封装 list 数据到 word 模板中(word表格) * * @param list 数据 * @param tableName 表格列表变量名称 * @return word表格数据DataTable */private static DataTable fillListData(List<Object> list, String tableName, DocumentBuilder builder) throws Exception {//创建DataTable,并绑定字段DataTable dataTable = new DataTable(tableName);for (Object obj : list) {//创建DataRow,封装该行数据DataRow dataRow = dataTable.newRow();Class<?> objClass = obj.getClass();Field[] fields = objClass.getDeclaredFields();for (int i = 0; i < fields.length; i++) {Field field = fields[i];dataTable.getColumns().add(fields[i].getName());PropertyDescriptor pd = new PropertyDescriptor(field.getName(), objClass);Method method = pd.getReadMethod();dataRow.set(i, method.invoke(obj));}dataTable.getRows().add(dataRow);}return dataTable;}// private static License license = null;/** * 加载 license * 由于 aspose是收费的,若没有 license,则会出现水印。 */ static { try { InputStream is = ContractUtil.class.getResourceAsStream(\"/License.xml\");License license = new License(); license.setLicense(is); } catch (Exception e) { throw new RuntimeException(\"自动加载aspose证书文件失败!\"); } }}
三、测试
main方法测试,可以根据实际需求改为response输出或者上传到存储服务器后返回链接地址。
public static void main(String[] args) throws IOException { FillWordDTO fillWordDTO = FillWordDTO.create(); // 读取模板文件 byte[] modelByte = Files.readAllBytes(Paths.get(\"E:\\\\project\\\\spring-demo\\\\src\\\\main\\\\resources\\\\templates\\\\test.docx\")); // 调用工具类,获取填充数据后的文件 byte[] resultByte = ContractUtil.fillWordDataByDomain(modelByte, fillWordDTO); // 处理该二进制文件,此处处理为输出到桌面 File resultFile = new File(\"C:\\\\Users\\\\Lenovo\\\\Desktop\\\\demo.docx\"); FileOutputStream fos = new FileOutputStream(resultFile); fos.write(resultByte); fos.close(); }
四、运行结果
五、注意事项
在编辑word域代码时,有时会有隐藏的代码导致填充失败
Found end of mail merge region \'experienceList\' that does not match start of mail merge region \'jlList\'.
出现以上错误或者想查看域代码,按如下操作:
在word中依次点击「文件→选项→高级」,在「显示文档内容」区域勾选「显示域代码而非域值」,找到报错域代码后删除,重新添加域就解决了。