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- /**
- * Copyright 2013-2015 JueYue (qrb.jueyue@gmail.com)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package cn.afterturn.easypoi.excel;
-
- import java.util.Collection;
- import java.util.List;
- import java.util.Map;
-
- import org.apache.poi.hssf.usermodel.HSSFWorkbook;
- import org.apache.poi.ss.usermodel.Workbook;
- import org.apache.poi.xssf.streaming.SXSSFWorkbook;
- import org.apache.poi.xssf.usermodel.XSSFWorkbook;
-
- import cn.afterturn.easypoi.excel.entity.ExportParams;
- import cn.afterturn.easypoi.excel.entity.TemplateExportParams;
- import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
- import cn.afterturn.easypoi.excel.entity.params.ExcelExportEntity;
- import cn.afterturn.easypoi.excel.export.ExcelBatchExportService;
- import cn.afterturn.easypoi.excel.export.ExcelExportService;
- import cn.afterturn.easypoi.excel.export.template.ExcelExportOfTemplateUtil;
-
- /**
- * excel 导出工具类
- *
- * @author JueYue
- * @version 1.0
- * 2013-10-17
- */
- public class ExcelExportUtil {
-
- private ExcelExportUtil() {
- }
-
- /**
- * @param entity
- * 表格标题属性
- * @param pojoClass
- * Excel对象Class
- * @param dataSet
- * Excel对象数据List
- */
- public static Workbook exportBigExcel(ExportParams entity, Class<?> pojoClass,
- Collection<?> dataSet) {
- ExcelBatchExportService batchService = ExcelBatchExportService
- .getExcelBatchExportService(entity, pojoClass);
- return batchService.appendData(dataSet);
- }
-
- public static Workbook exportBigExcel(ExportParams entity, List<ExcelExportEntity> excelParams,
- Collection<?> dataSet) {
- ExcelBatchExportService batchService = ExcelBatchExportService
- .getExcelBatchExportService(entity, excelParams);
- return batchService.appendData(dataSet);
- }
-
- public static void closeExportBigExcel() {
- ExcelBatchExportService batchService = ExcelBatchExportService.getCurrentExcelBatchExportService();
- if(batchService != null) {
- batchService.closeExportBigExcel();
- }
- }
-
- /**
- * @param entity
- * 表格标题属性
- * @param pojoClass
- * Excel对象Class
- * @param dataSet
- * Excel对象数据List
- */
- public static Workbook exportExcel(ExportParams entity, Class<?> pojoClass,
- Collection<?> dataSet) {
- Workbook workbook = getWorkbook(entity.getType(),dataSet.size());
- new ExcelExportService().createSheet(workbook, entity, pojoClass, dataSet);
- return workbook;
- }
-
- private static Workbook getWorkbook(ExcelType type, int size) {
- if (ExcelType.HSSF.equals(type)) {
- return new HSSFWorkbook();
- } else if (size < 100000) {
- return new XSSFWorkbook();
- } else {
- return new SXSSFWorkbook();
- }
- }
-
- /**
- * 根据Map创建对应的Excel
- * @param entity
- * 表格标题属性
- * @param entityList
- * Map对象列表
- * @param dataSet
- * Excel对象数据List
- */
- public static Workbook exportExcel(ExportParams entity, List<ExcelExportEntity> entityList,
- Collection<?> dataSet) {
- Workbook workbook = getWorkbook(entity.getType(),dataSet.size());;
- new ExcelExportService().createSheetForMap(workbook, entity, entityList, dataSet);
- return workbook;
- }
-
- /**
- * 一个excel 创建多个sheet
- *
- * @param list
- * 多个Map key title 对应表格Title key entity 对应表格对应实体 key data
- * Collection 数据
- * @return
- */
- public static Workbook exportExcel(List<Map<String, Object>> list, ExcelType type) {
- Workbook workbook = getWorkbook(type,0);
- for (Map<String, Object> map : list) {
- ExcelExportService service = new ExcelExportService();
- service.createSheet(workbook, (ExportParams) map.get("title"),
- (Class<?>) map.get("entity"), (Collection<?>) map.get("data"));
- }
- return workbook;
- }
-
- /**
- * 导出文件通过模板解析,不推荐这个了,推荐全部通过模板来执行处理
- *
- * @param params
- * 导出参数类
- * @param pojoClass
- * 对应实体
- * @param dataSet
- * 实体集合
- * @param map
- * 模板集合
- * @return
- */
- @Deprecated
- public static Workbook exportExcel(TemplateExportParams params, Class<?> pojoClass,
- Collection<?> dataSet, Map<String, Object> map) {
- return new ExcelExportOfTemplateUtil().createExcleByTemplate(params, pojoClass, dataSet,
- map);
- }
-
- /**
- * 导出文件通过模板解析只有模板,没有集合
- *
- * @param params
- * 导出参数类
- * @param map
- * 模板集合
- * @return
- */
- public static Workbook exportExcel(TemplateExportParams params, Map<String, Object> map) {
- return new ExcelExportOfTemplateUtil().createExcleByTemplate(params, null, null, map);
- }
-
- /**
- * 导出文件通过模板解析只有模板,没有集合
- * 每个sheet对应一个map,导出到处,key是sheet的NUM
- * @param params
- * 导出参数类
- * @param map
- * 模板集合
- * @return
- */
- public static Workbook exportExcel(Map<Integer, Map<String, Object>> map,
- TemplateExportParams params) {
- return new ExcelExportOfTemplateUtil().createExcleByTemplate(params, map);
- }
-
- }
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