package com.springboot.utils.excel;
import com.alibaba.excel.EasyExcelFactory;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.alibaba.excel.metadata.BaseRowModel;
import com.alibaba.excel.metadata.Sheet;
import lombok.Data;
import lombok.Getter;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import java.io.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
* @description:
* @author: chenmingjian
* @date: 19-3-18 16:16
@Slf4j
public class ExcelUtil {
private static Sheet initSheet;
static {
initSheet = new Sheet(1, 0);
initSheet.setSheetName("sheet");
//设置自适应宽度
initSheet.setAutoWidth(Boolean.TRUE);
* 读取少于1000行数据
* @param filePath 文件绝对路径
* @return
public static List<Object> readLessThan1000Row(String filePath){
return readLessThan1000RowBySheet(filePath,null);
* 读小于1000行数据, 带样式
* filePath 文件绝对路径
* initSheet ：
* sheetNo: sheet页码，默认为1
* headLineMun: 从第几行开始读取数据，默认为0, 表示从第一行开始读取
* clazz: 返回数据List<Object> 中Object的类名
public static List<Object> readLessThan1000RowBySheet(String filePath, Sheet sheet){
if(!StringUtils.hasText(filePath)){
return null;
sheet = sheet != null ? sheet : initSheet;
InputStream fileStream = null;
try {
fileStream = new FileInputStream(filePath);
return EasyExcelFactory.read(fileStream, sheet);
} catch (FileNotFoundException e) {
log.info("找不到文件或文件路径错误, 文件：{}", filePath);
}finally {
try {
if(fileStream != null){
fileStream.close();
} catch (IOException e) {
log.info("excel文件读取失败, 失败原因：{}", e);
return null;
* 读大于1000行数据
* @param filePath 文件觉得路径
* @return
public static List<Object> readMoreThan1000Row(String filePath){
return readMoreThan1000RowBySheet(filePath,null);
* 读大于1000行数据, 带样式
* @param filePath 文件觉得路径
* @return
public static List<Object> readMoreThan1000RowBySheet(String filePath, Sheet sheet){
if(!StringUtils.hasText(filePath)){
return null;
sheet = sheet != null ? sheet : initSheet;
InputStream fileStream = null;
try {
fileStream = new FileInputStream(filePath);
ExcelListener excelListener = new ExcelListener();
EasyExcelFactory.readBySax(fileStream, sheet, excelListener);
return excelListener.getDatas();
} catch (FileNotFoundException e) {
log.error("找不到文件或文件路径错误, 文件：{}", filePath);
}finally {
try {
if(fileStream != null){
fileStream.close();
} catch (IOException e) {
log.error("excel文件读取失败, 失败原因：{}", e);
return null;
* 生成excle
* @param filePath 绝对路径, 如：/home/chenmingjian/Downloads/aaa.xlsx
* @param data 数据源
* @param head 表头
public static void writeBySimple(String filePath, List<List<Object>> data, List<String> head){
writeSimpleBySheet(filePath,data,head,null);
* 生成excle
* @param filePath 绝对路径, 如：/home/chenmingjian/Downloads/aaa.xlsx
* @param data 数据源
* @param sheet excle页面样式
* @param head 表头
public static void writeSimpleBySheet(String filePath, List<List<Object>> data, List<String> head, Sheet sheet){
sheet = (sheet != null) ? sheet : initSheet;
if(head != null){
List<List<String>> list = new ArrayList<>();
head.forEach(h -> list.add(Collections.singletonList(h)));
sheet.setHead(list);
OutputStream outputStream = null;
ExcelWriter writer = null;
try {
outputStream = new FileOutputStream(filePath);
writer = EasyExcelFactory.getWriter(outputStream);
writer.write1(data,sheet);
} catch (FileNotFoundException e) {
log.error("找不到文件或文件路径错误, 文件：{}", filePath);
}finally {
try {
if(writer != null){
writer.finish();
if(outputStream != null){
outputStream.close();
} catch (IOException e) {
log.error("excel文件导出失败, 失败原因：{}", e);
* 生成excle
* @param filePath 绝对路径, 如：/home/chenmingjian/Downloads/aaa.xlsx
* @param data 数据源
public static void writeWithTemplate(String filePath, List<? extends BaseRowModel> data){
writeWithTemplateAndSheet(filePath,data,null);
* 生成excle
* @param filePath 绝对路径, 如：/home/chenmingjian/Downloads/aaa.xlsx
* @param data 数据源
* @param sheet excle页面样式
public static void writeWithTemplateAndSheet(String filePath, List<? extends BaseRowModel> data, Sheet sheet){
if(CollectionUtils.isEmpty(data)){
return;
sheet = (sheet != null) ? sheet : initSheet;
sheet.setClazz(data.get(0).getClass());
OutputStream outputStream = null;
ExcelWriter writer = null;
try {
outputStream = new FileOutputStream(filePath);
writer = EasyExcelFactory.getWriter(outputStream);
writer.write(data,sheet);
} catch (FileNotFoundException e) {
log.error("找不到文件或文件路径错误, 文件：{}", filePath);
}finally {
try {
if(writer != null){
writer.finish();
if(outputStream != null){
outputStream.close();
} catch (IOException e) {
log.error("excel文件导出失败, 失败原因：{}", e);
* 生成多Sheet的excle
* @param filePath 绝对路径, 如：/home/chenmingjian/Downloads/aaa.xlsx
* @param multipleSheelPropetys
public static void writeWithMultipleSheel(String filePath,List<MultipleSheelPropety> multipleSheelPropetys){
if(CollectionUtils.isEmpty(multipleSheelPropetys)){
return;
OutputStream outputStream = null;
ExcelWriter writer = null;
try {
outputStream = new FileOutputStream(filePath);
writer = EasyExcelFactory.getWriter(outputStream);
for (MultipleSheelPropety multipleSheelPropety : multipleSheelPropetys) {
Sheet sheet = multipleSheelPropety.getSheet() != null ? multipleSheelPropety.getSheet() : initSheet;
if(!CollectionUtils.isEmpty(multipleSheelPropety.getData())){
sheet.setClazz(multipleSheelPropety.getData().get(0).getClass());
writer.write(multipleSheelPropety.getData(), sheet);
} catch (FileNotFoundException e) {
log.error("找不到文件或文件路径错误, 文件：{}", filePath);
}finally {
try {
if(writer != null){
writer.finish();
if(outputStream != null){
outputStream.close();
} catch (IOException e) {
log.error("excel文件导出失败, 失败原因：{}", e);
/*********************匿名内部类开始，可以提取出去******************************/
@Data
public static class MultipleSheelPropety{
private List<? extends BaseRowModel> data;
private Sheet sheet;
* 解析监听器，
* 每解析一行会回调invoke()方法。
* 整个excel解析结束会执行doAfterAllAnalysed()方法
* @author: chenmingjian
* @date: 19-4-3 14:11
@Getter
@Setter
public static class ExcelListener extends AnalysisEventListener {
private List<Object> datas = new ArrayList<>();
* 逐行解析
* object : 当前行的数据
@Override
public void invoke(Object object, AnalysisContext context) {
//当前行
// context.getCurrentRowNum()
if (object != null) {
datas.add(object);
* 解析完所有数据后会调用该方法
@Override
public void doAfterAllAnalysed(AnalysisContext context) {
//解析结束销毁不用的资源
/************************匿名内部类结束，可以提取出去***************************/
}
