项目需求：需要将数据导出成word文档，但是必须是按照一定的格式。这里使用了一个小插件，是基于poi的再次封装：https://github.com/Sayi/poi-tl/
1.maven引入包
<!-- poi Excel、Word操作--> <dependency> <groupId>com.deepoove</groupId> <artifactId>poi-tl</artifactId> <version>1.4.2</version> </dependency>2.编写测试来使用poi-tl
首先看一下模板和对应的效果：
主要的java代码如下：
package com.justcs.utils; import com.deepoove.poi.XWPFTemplate; import com.deepoove.poi.config.Configure; import com.deepoove.poi.data.RowRenderData; import com.deepoove.poi.policy.DynamicTableRenderPolicy; import com.deepoove.poi.policy.MiniTableRenderPolicy; import org.apache.poi.xwpf.usermodel.XWPFTable; import org.apache.poi.xwpf.usermodel.XWPFTableRow; import org.junit.Before; import org.junit.Test; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class WordDemoTest { // 数据准备 Map<String, Object> data = new HashMap<String, Object>(); @Before public void init() { data.put("confname", "测试会议"); data.put("years", "2019"); data.put("semester", "2018-2019下半学期"); data.put("weeksno", "13"); data.put("leadername", "陈鹏"); data.put("cfdatetime", "2019年5月21日"); // 上次会议 List<RowRenderData> issueLastmeetList = new ArrayList<>(); for (int i = 0; i < 10; i++) { RowRenderData rowdata = RowRenderData.build(String.valueOf(1 + i), "上次会议" + i); issueLastmeetList.add(rowdata); } // 本次会议 List<RowRenderData> issueCurmeetList = new ArrayList<>(); for (int i = 0; i < 10; i++) { RowRenderData rowdata = RowRenderData.build(String.valueOf(1 + i), "本次会议" + i); issueCurmeetList.add(rowdata); } // 建议解决方案 List<RowRenderData> suggestionList = new ArrayList<>(); for (int i = 0; i < 10; i++) { RowRenderData rowdata = RowRenderData.build(String.valueOf(1 + i), "建议解决方案" + i); suggestionList.add(rowdata); } DetailTable detailTable = new DetailTable(); detailTable.setIssueLast(issueLastmeetList); detailTable.setIssuecur(issueCurmeetList); detailTable.setSuggestion(suggestionList); data.put("detail_table", detailTable); } @Test public void testWord() throws IOException { Configure config = Configure.newBuilder().customPolicy("detail_table", new DetailTablePolicy()).build(); XWPFTemplate template = XWPFTemplate.compile("D:\\java_project\\conferencem\\src\\main\\resources\\template\\template.docx", config).render(data); FileOutputStream out = new FileOutputStream("C:\\Users\\chenpeng\\Desktop\\out_template.docx"); template.write(out); out.flush(); out.close(); template.close(); } } class DetailTablePolicy extends DynamicTableRenderPolicy { private static final int lastissue = 2; @Override public void render(XWPFTable xwpfTable, Object data) { if (null == data) return; DetailTable detailData = (DetailTable) data; List<RowRenderData> issueLastmeetList = (List<RowRenderData>) detailData.getIssueLast(); List<RowRenderData> issueCurmeets = (List<RowRenderData>) detailData.getIssuecur(); List<RowRenderData> suggestionList = (List<RowRenderData>) detailData.getSuggestion(); // 上次 if (issueLastmeetList != null && issueLastmeetList.size() > 0) { int lastrowindex = lastissue; xwpfTable.removeRow(lastissue); for (int i = 0; i < issueLastmeetList.size(); i++) { XWPFTableRow insertNewTableRow = xwpfTable.insertNewTableRow(lastissue); for (int j = 0; j < 2; j++) { insertNewTableRow.createCell(); } // 渲染单行获取明细数据 MiniTableRenderPolicy.renderRow(xwpfTable, lastissue, issueLastmeetList.get(i)); } } // 本次 if (issueCurmeets != null && issueCurmeets.size() > 0) { int currowindex = issueLastmeetList.size() + 3; xwpfTable.removeRow(currowindex); for (int i = 0; i < issueCurmeets.size(); i++) { XWPFTableRow insertNewTableRow = xwpfTable.insertNewTableRow( currowindex); for (int j = 0; j < 2; j++) { insertNewTableRow.createCell(); } // 渲染单行获取明细数据 MiniTableRenderPolicy.renderRow(xwpfTable, currowindex, issueCurmeets.get(i)); } } // 建议 if (suggestionList != null && suggestionList.size() > 0) { int sugindex = issueLastmeetList.size()+issueCurmeets.size()+4; xwpfTable.removeRow(sugindex); for (int i = 0; i < suggestionList.size(); i++) { XWPFTableRow insertNewTableRow = xwpfTable.insertNewTableRow(sugindex); for (int j = 0; j < 2; j++) { insertNewTableRow.createCell(); } // 渲染单行获取明细数据 MiniTableRenderPolicy.renderRow(xwpfTable, sugindex, suggestionList.get(i)); } } } }
