初始化

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2022-06-21 20:47:46 +08:00
parent b666a24a98
commit 59da3376c1
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package com.njcn.poi.excel;
import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import cn.hutool.core.util.CharsetUtil;
import com.njcn.web.utils.HttpServletUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.ss.usermodel.Workbook;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.Collection;
/**
* @author hongawen
* @version 1.0.0
* @date 2022年04月01日 10:48
*/
@Slf4j
public class ExcelUtil {
/**
* 指定名称、数据下载报表
*
* @param fileName 文件名
*/
public static void exportExcel(String fileName, Class<?> pojoClass, Collection<?> dataSet) {
HttpServletResponse response = HttpServletUtil.getResponse();
try (ServletOutputStream outputStream = response.getOutputStream()) {
fileName = URLEncoder.encode(fileName, CharsetUtil.UTF_8);
response.reset();
response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
response.setContentType("application/octet-stream;charset=UTF-8");
Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), pojoClass, dataSet);
workbook.write(outputStream);
} catch (IOException e) {
log.error(">>> 导出数据异常:{}", e.getMessage());
}
}
/**
* @param excel 目标excel
* @param statisticsType 统计类型
* @param statisticsName 统计名称
* @param pojoClass 目标class
* @param dataSet 数据集合
*/
public static void exportExcelWithTargetFile(File excel, String statisticsType, String statisticsName, Class<?> pojoClass, Collection<?> dataSet) {
try (FileOutputStream outputStream = new FileOutputStream(excel)) {
if (!excel.getParentFile().exists()) {
excel.getParentFile().mkdirs();
}
Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(statisticsType, statisticsName), pojoClass, dataSet);
workbook.write(outputStream);
} catch (IOException e) {
log.error(">>> 导出数据异常:{}", e.getMessage());
}
}
/**
* @param excel 目标excel
* @param pojoClass 目标class
* @param dataSet 数据集合
*/
public static void exportExcelWithTargetFile(File excel, Class<?> pojoClass, Collection<?> dataSet) {
try (FileOutputStream outputStream = new FileOutputStream(excel)) {
if (!excel.getParentFile().exists()) {
excel.getParentFile().mkdirs();
}
Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), pojoClass, dataSet);
workbook.write(outputStream);
} catch (IOException e) {
log.error(">>> 导出数据异常:{}", e.getMessage());
}
}
}