java 使用 freemarker 导出word 包含 图片和动态的数据表，动态行和动态列

package com.esunny.zcq; import com.esunny.zcq.entity.ReportDocElementEntity; import com.esunny.zcq.entity.ReportDocExportEntity; import freemarker.template.Configuration; import freemarker.template.Template; import freemarker.template.TemplateException; import sun.misc.BASE64Encoder; import java.io.*; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class DocumentHandlerTwo { private Configuration configuration = null; public DocumentHandlerTwo() { configuration = new Configuration(); configuration.setDefaultEncoding("UTF-8");// 设置默认编码方式 } /** * !注意dataMap里存放的数据Key值要与模板中的参数相对应,图片为String类型的Base64编码 * * @param dataMap 载入的数据文件 * @param templatePackagePath 模版文件包路径 * @param templateName 模版文件名称 * @param docPath 写出的doc文件路径 */ public void createDoc(Map<String, Object> dataMap, String templatePackagePath, String templateName, String docPath) { // 设置模本装置方法和路径,FreeMarker支持多种模板装载方法。可以重servlet，classpath，数据库装载， // // 这里我们的模板是放在com.havenliu.document.template包下面 configuration.setClassForTemplateLoading(this.getClass(), templatePackagePath); Template t = null; try { t = configuration.getTemplate(templateName, "utf-8"); } catch (IOException e) { e.printStackTrace(); } // 输出文档路径及名称 File outFile = new File(docPath); Writer out = null; try { out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outFile), "utf-8")); } catch (Exception e1) { e1.printStackTrace(); } try { t.process(dataMap, out); out.flush(); out.close(); } catch (TemplateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } private String getImageStr(String imgFile) { InputStream in = null; byte[] data = null; try { in = new FileInputStream(imgFile); data = new byte[in.available()]; in.read(data); in.close(); } catch (IOException e) { e.printStackTrace(); } BASE64Encoder encoder = new BASE64Encoder(); return encoder.encode(data); } /** * 测试 */ public static void main(String[] args) { DocumentHandlerTwo documentHandler = new DocumentHandlerTwo(); Map<String, Object> dataMap = new HashMap<String, Object>(); // dataMap.put("pic", documentHandler.getImageStr("D:\\avater.png")); // dataMap.put("TitleLevelOne", "已婚"); // dataMap.put("TitleLevelTwo", "群众"); //组装数据 ReportDocExportEntity reportDocExportEntity = new ReportDocExportEntity(); reportDocExportEntity.setTitleLevelOne("一级标题测试"); List<ReportDocElementEntity> reportDocElementEntities = new ArrayList<>(); for (int i = 0; i < 3; i++) { ReportDocElementEntity reportDocElementEntity = new ReportDocElementEntity(); reportDocElementEntity.setTitleLevelTwo("二级副标题序号" + i); List<String> columnList = new ArrayList<>(); for (int j = 0; j < 4; j++) { columnList.add("列项目" + i + "行" + j + "列"); } reportDocElementEntity.setColumnList(columnList); reportDocElementEntity.setColumnNum(columnList.size()); if (i == 0) { reportDocElementEntity.setPicLevelTwo(documentHandler.getImageStr("D:\\avater.png")); } if (i == 1) { reportDocElementEntity.setPicLevelTwo(documentHandler.getImageStr("D:\\shit.png")); } if (i == 2) { reportDocElementEntity.setPicLevelTwo(documentHandler.getImageStr("D:\\shit.png")); } List<List<String>> entityList = new ArrayList<>(); //设置每一行的数据 for (int m = 0; m < 4; m++) { List<String> lineData = new ArrayList<>(); lineData.add("data1" + "行：" + m); lineData.add("data2" + "行：" + m); lineData.add("data3" + "行：" + m); lineData.add("data3" + "行：" + m); entityList.add(lineData); } reportDocElementEntity.setEntityList(entityList); Integer picNameSubstitute = i + 5; reportDocElementEntity.setPicStringName("rId" + picNameSubstitute); //加入列表中 reportDocElementEntities.add(reportDocElementEntity); } reportDocExportEntity.setReportElementsList(reportDocElementEntities); reportDocExportEntity.setElementNum(reportDocElementEntities.size()); //构建reportDocExportEntity的relationShip数据列表 List<String> relationsStringList = new ArrayList<>(); Integer theme1Num = reportDocExportEntity.getElementNum() + 6; String theme1 = "<Relationship Id=\"rId" + theme1Num + "\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme\"\n" + " Target=\"theme/theme1.xml\"/>"; relationsStringList.add(theme1); Integer fontTableNum = reportDocExportEntity.getElementNum() + 5; String fontTable = "<Relationship Id=\"rId" + fontTableNum + "\"\n" + " Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/fontTable\"\n" + " Target=\"fontTable.xml\"/>"; relationsStringList.add(fontTable); for (int j = reportDocExportEntity.getElementNum(); j > 0; j--) { int picNum = j + 4; int picSerial = j; String image = "<Relationship Id=\"rId" + picNum + "\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/image\"\n" + " Target=\"media/image" + picSerial + ".png\"/>"; relationsStringList.add(image); } reportDocExportEntity.setRelationshipsList(relationsStringList); //设置原图片数据 StringBuilder picDataStringBuilder = new StringBuilder(); for (int k = 0; k < reportDocExportEntity.getElementNum(); k++) { int picNum = k + 1; ReportDocElementEntity reportDocElementEntity = reportDocExportEntity.getReportElementsList().get(k); String picDataEntry = "<pkg:part pkg:name=\"/word/media/image"+ picNum +".png\" pkg:contentType=\"image/png\" pkg:compression=\"store\">\n" + " <pkg:binaryData>" + reportDocElementEntity.getPicLevelTwo() +"</pkg:binaryData>\n" + " </pkg:part>"; picDataStringBuilder.append(picDataEntry); } reportDocExportEntity.setPicDataList(picDataStringBuilder.toString()); dataMap.put("root", reportDocExportEntity); documentHandler.createDoc(dataMap, "/com/template", "oyt_generete_new.ftl", "D:/outhello.doc"); System.out.println("生成完毕"); } }