easypoi导出动态表头excel_easypoi在excel中的时间标签-优快云博客

本文介绍如何利用easypoi库生成具有动态表头的Excel文件，通过实例展示了如何根据复杂的数据结构来定制化的设置Excel的头部样式和内容，为数据导出提供灵活的支持。

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<dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-base</artifactId>
            <version>3.2.0</version>
        </dependency>

@Test
        public void dynaCol() {
        try {
            List<ExcelExportEntity> colList = new ArrayList<ExcelExportEntity>();
            ExcelExportEntity colEntity = new ExcelExportEntity("商品名称", "title");
            colEntity.setNeedMerge(true);
            colList.add(colEntity);

            colEntity = new ExcelExportEntity("供应商", "supplier");
            colEntity.setNeedMerge(true);
            colList.add(colEntity);

            ExcelExportEntity deliColGroup = new ExcelExportEntity("得力", "deli");
            List<ExcelExportEntity> deliColList = new ArrayList<ExcelExportEntity>();
            deliColList.add(new ExcelExportEntity("市场价", "orgPrice"));
            deliColList.add(new ExcelExportEntity("专区价", "salePrice"));
            deliColGroup.setList(deliColList);
            colList.add(deliColGroup);

            ExcelExportEntity jdColGroup = new ExcelExportEntity("京东", "jd");
            List<ExcelExportEntity> jdColList = new ArrayList<ExcelExportEntity>();
            jdColList.add(new ExcelExportEntity("市场价", "orgPrice"));
            jdColList.add(new ExcelExportEntity("专区价", "salePrice"));
            jdColGroup.setList(jdColList);
            colList.add(jdColGroup);


            List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
            for (int i = 0; i < 10; i++) {
                Map<String, Object> valMap = new HashMap<String, Object>();
                valMap.put("title", "名称." + i);
                valMap.put("supplier", "供应商." + i);

                List<Map<String, Object>> deliDetailList = new ArrayList<Map<String, Object>>();
                for (int j = 0; j < 3; j++) {
                    Map<String, Object> deliValMap = new HashMap<String, Object>();
                    deliValMap.put("orgPrice", "得力.市场价." + j);
                    deliValMap.put("salePrice", "得力.专区价." + j);
                    deliDetailList.add(deliValMap);
                }
                valMap.put("deli", deliDetailList);

                List<Map<String, Object>> jdDetailList = new ArrayList<Map<String, Object>>();
                for (int j = 0; j < 2; j++) {
                    Map<String, Object> jdValMap = new HashMap<String, Object>();
                    jdValMap.put("orgPrice", "京东.市场价." + j);
                    jdValMap.put("salePrice", "京东.专区价." + j);
                    jdDetailList.add(jdValMap);
                }
                valMap.put("jd", jdDetailList);

                list.add(valMap);
            }

            Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams("价格分析表", "数据"), colList,
                    list);
            FileOutputStream fos = new FileOutputStream("D:/价格分析表.tt.xls");
            workbook.write(fos);
            fos.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

导出结果图